diff options
Diffstat (limited to 'Master/texmf-dist/tex/luatex/fontloader-luaotfload/fontloader-2017-02-11-stix.lua')
-rw-r--r-- | Master/texmf-dist/tex/luatex/fontloader-luaotfload/fontloader-2017-02-11-stix.lua | 21882 |
1 files changed, 0 insertions, 21882 deletions
diff --git a/Master/texmf-dist/tex/luatex/fontloader-luaotfload/fontloader-2017-02-11-stix.lua b/Master/texmf-dist/tex/luatex/fontloader-luaotfload/fontloader-2017-02-11-stix.lua deleted file mode 100644 index eef6732d823..00000000000 --- a/Master/texmf-dist/tex/luatex/fontloader-luaotfload/fontloader-2017-02-11-stix.lua +++ /dev/null @@ -1,21882 +0,0 @@ ---[[info----------------------------------------------------------------------- - Luaotfload fontloader package - build 2017-02-11 18:16:05 by phg@phlegethon -------------------------------------------------------------------------------- --- UF -texio.write_nl ("------------------") -texio.write_nl ("!!!!! UF: this fontloader uses an experimental font-oto.lua") -texio.write_nl ("------------------") --- /UF - - -2017-07-14: UF exchanged font-oto-part to get around stix2 bug. - - © 2017 PRAGMA ADE / ConTeXt Development Team - - The code in this file is provided under the GPL v2.0 license. See the - file COPYING in the Luaotfload repository for details. - - Report bugs to github.com/lualatex/luaotfload - - This file has been assembled from components taken from Context. See - the Luaotfload documentation for details: - - $ texdoc luaotfload - $ man 1 luaotfload-tool - $ man 5 luaotfload.conf - - Included files: - - · fontloader-data-con.lua - · fontloader-basics-nod.lua - · fontloader-font-ini.lua - · fontloader-font-con.lua - · fontloader-fonts-enc.lua - · fontloader-font-cid.lua - · fontloader-font-map.lua - · fontloader-font-oti.lua - · fontloader-font-otr.lua - · fontloader-font-cff.lua - · fontloader-font-ttf.lua - · fontloader-font-dsp.lua - · fontloader-font-oup.lua - · fontloader-font-otl.lua - · fontloader-font-oto.lua - · fontloader-font-otj.lua - · fontloader-font-ota.lua - · fontloader-font-ots.lua - · fontloader-font-osd.lua - · fontloader-font-ocl.lua - · fontloader-font-otc.lua - · fontloader-font-onr.lua - · fontloader-font-one.lua - · fontloader-font-afk.lua - · fontloader-font-tfm.lua - · fontloader-font-lua.lua - · fontloader-font-def.lua - · fontloader-fonts-ext.lua - · fontloader-font-gbn.lua - ---info]]----------------------------------------------------------------------- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “data-con” d8982c834ed9acc6193eee23067b9d5d] --- - -if not modules then modules={} end modules ['data-con']={ - version=1.100, - comment="companion to luat-lib.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local format,lower,gsub=string.format,string.lower,string.gsub -local trace_cache=false trackers.register("resolvers.cache",function(v) trace_cache=v end) -local trace_containers=false trackers.register("resolvers.containers",function(v) trace_containers=v end) -local trace_storage=false trackers.register("resolvers.storage",function(v) trace_storage=v end) -containers=containers or {} -local containers=containers -containers.usecache=true -local report_containers=logs.reporter("resolvers","containers") -local allocated={} -local mt={ - __index=function(t,k) - if k=="writable" then - local writable=caches.getwritablepath(t.category,t.subcategory) or { "." } - t.writable=writable - return writable - elseif k=="readables" then - local readables=caches.getreadablepaths(t.category,t.subcategory) or { "." } - t.readables=readables - return readables - end - end, - __storage__=true -} -function containers.define(category,subcategory,version,enabled) - if category and subcategory then - local c=allocated[category] - if not c then - c={} - allocated[category]=c - end - local s=c[subcategory] - if not s then - s={ - category=category, - subcategory=subcategory, - storage={}, - enabled=enabled, - version=version or math.pi, - trace=false, - } - setmetatable(s,mt) - c[subcategory]=s - end - return s - end -end -function containers.is_usable(container,name) - return container.enabled and caches and caches.is_writable(container.writable,name) -end -function containers.is_valid(container,name) - if name and name~="" then - local storage=container.storage[name] - return storage and storage.cache_version==container.version - else - return false - end -end -function containers.read(container,name) - local storage=container.storage - local stored=storage[name] - if not stored and container.enabled and caches and containers.usecache then - stored=caches.loaddata(container.readables,name,container.writable) - if stored and stored.cache_version==container.version then - if trace_cache or trace_containers then - report_containers("action %a, category %a, name %a","load",container.subcategory,name) - end - else - stored=nil - end - storage[name]=stored - elseif stored then - if trace_cache or trace_containers then - report_containers("action %a, category %a, name %a","reuse",container.subcategory,name) - end - end - return stored -end -function containers.write(container,name,data) - if data then - data.cache_version=container.version - if container.enabled and caches then - local unique,shared=data.unique,data.shared - data.unique,data.shared=nil,nil - caches.savedata(container.writable,name,data) - if trace_cache or trace_containers then - report_containers("action %a, category %a, name %a","save",container.subcategory,name) - end - data.unique,data.shared=unique,shared - end - if trace_cache or trace_containers then - report_containers("action %a, category %a, name %a","store",container.subcategory,name) - end - container.storage[name]=data - end - return data -end -function containers.content(container,name) - return container.storage[name] -end -function containers.cleanname(name) - return (gsub(lower(name),"[^%w\128-\255]+","-")) -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “data-con”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “basics-nod” 9288471b8395bfb683aba0ff3964d950] --- - -if not modules then modules={} end modules ['luatex-fonts-nod']={ - version=1.001, - comment="companion to luatex-fonts.lua", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -if context then - texio.write_nl("fatal error: this module is not for context") - os.exit() -end -if tex.attribute[0]~=0 then - texio.write_nl("log","!") - texio.write_nl("log","! Attribute 0 is reserved for ConTeXt's font feature management and has to be") - texio.write_nl("log","! set to zero. Also, some attributes in the range 1-255 are used for special") - texio.write_nl("log","! purposes so setting them at the TeX end might break the font handler.") - texio.write_nl("log","!") - tex.attribute[0]=0 -end -attributes=attributes or {} -attributes.unsetvalue=-0x7FFFFFFF -local numbers,last={},127 -attributes.private=attributes.private or function(name) - local number=numbers[name] - if not number then - if last<255 then - last=last+1 - end - number=last - numbers[name]=number - end - return number -end -nodes={} -nodes.pool={} -nodes.handlers={} -local nodecodes={} -local glyphcodes=node.subtypes("glyph") -local disccodes=node.subtypes("disc") -for k,v in next,node.types() do - v=string.gsub(v,"_","") - nodecodes[k]=v - nodecodes[v]=k -end -for i=0,#glyphcodes do - glyphcodes[glyphcodes[i]]=i -end -for i=0,#disccodes do - disccodes[disccodes[i]]=i -end -nodes.nodecodes=nodecodes -nodes.glyphcodes=glyphcodes -nodes.disccodes=disccodes -local flush_node=node.flush_node -local remove_node=node.remove -local new_node=node.new -local traverse_id=node.traverse_id -nodes.handlers.protectglyphs=node.protect_glyphs -nodes.handlers.unprotectglyphs=node.unprotect_glyphs -local math_code=nodecodes.math -local end_of_math=node.end_of_math -function node.end_of_math(n) - if n.id==math_code and n.subtype==1 then - return n - else - return end_of_math(n) - end -end -function nodes.remove(head,current,free_too) - local t=current - head,current=remove_node(head,current) - if t then - if free_too then - flush_node(t) - t=nil - else - t.next,t.prev=nil,nil - end - end - return head,current,t -end -function nodes.delete(head,current) - return nodes.remove(head,current,true) -end -function nodes.pool.kern(k) - local n=new_node("kern",1) - n.kern=k - return n -end -local getfield=node.getfield -local setfield=node.setfield -nodes.getfield=getfield -nodes.setfield=setfield -nodes.getattr=getfield -nodes.setattr=setfield -nodes.tostring=node.tostring or tostring -nodes.copy=node.copy -nodes.copy_node=node.copy -nodes.copy_list=node.copy_list -nodes.delete=node.delete -nodes.dimensions=node.dimensions -nodes.end_of_math=node.end_of_math -nodes.flush_list=node.flush_list -nodes.flush_node=node.flush_node -nodes.flush=node.flush_node -nodes.free=node.free -nodes.insert_after=node.insert_after -nodes.insert_before=node.insert_before -nodes.hpack=node.hpack -nodes.new=node.new -nodes.tail=node.tail -nodes.traverse=node.traverse -nodes.traverse_id=node.traverse_id -nodes.slide=node.slide -nodes.vpack=node.vpack -nodes.first_glyph=node.first_glyph -nodes.has_glyph=node.has_glyph or node.first_glyph -nodes.current_attr=node.current_attr -nodes.has_field=node.has_field -nodes.last_node=node.last_node -nodes.usedlist=node.usedlist -nodes.protrusion_skippable=node.protrusion_skippable -nodes.write=node.write -nodes.has_attribute=node.has_attribute -nodes.set_attribute=node.set_attribute -nodes.unset_attribute=node.unset_attribute -nodes.protect_glyphs=node.protect_glyphs -nodes.unprotect_glyphs=node.unprotect_glyphs -nodes.mlist_to_hlist=node.mlist_to_hlist -local direct=node.direct -local nuts={} -nodes.nuts=nuts -local tonode=direct.tonode -local tonut=direct.todirect -nodes.tonode=tonode -nodes.tonut=tonut -nuts.tonode=tonode -nuts.tonut=tonut -local getfield=direct.getfield -local setfield=direct.setfield -nuts.getfield=getfield -nuts.setfield=setfield -nuts.getnext=direct.getnext -nuts.setnext=direct.setnext -nuts.getprev=direct.getprev -nuts.setprev=direct.setprev -nuts.getboth=direct.getboth -nuts.setboth=direct.setboth -nuts.getid=direct.getid -nuts.getattr=direct.get_attribute or direct.has_attribute or getfield -nuts.setattr=setfield -nuts.getfont=direct.getfont -nuts.setfont=direct.setfont -nuts.getsubtype=direct.getsubtype -nuts.setsubtype=direct.setsubtype or function(n,s) setfield(n,"subtype",s) end -nuts.getchar=direct.getchar -nuts.setchar=direct.setchar -nuts.getdisc=direct.getdisc -nuts.setdisc=direct.setdisc -nuts.setlink=direct.setlink -nuts.getlist=direct.getlist -nuts.setlist=direct.setlist or function(n,l) setfield(n,"list",l) end -nuts.getleader=direct.getleader -nuts.setleader=direct.setleader or function(n,l) setfield(n,"leader",l) end -if not direct.is_glyph then - local getchar=direct.getchar - local getid=direct.getid - local getfont=direct.getfont - local glyph_code=nodes.nodecodes.glyph - function direct.is_glyph(n,f) - local id=getid(n) - if id==glyph_code then - if f and getfont(n)==f then - return getchar(n) - else - return false - end - else - return nil,id - end - end - function direct.is_char(n,f) - local id=getid(n) - if id==glyph_code then - if getsubtype(n)>=256 then - return false - elseif f and getfont(n)==f then - return getchar(n) - else - return false - end - else - return nil,id - end - end -end -nuts.ischar=direct.is_char -nuts.is_char=direct.is_char -nuts.isglyph=direct.is_glyph -nuts.is_glyph=direct.is_glyph -nuts.insert_before=direct.insert_before -nuts.insert_after=direct.insert_after -nuts.delete=direct.delete -nuts.copy=direct.copy -nuts.copy_node=direct.copy -nuts.copy_list=direct.copy_list -nuts.tail=direct.tail -nuts.flush_list=direct.flush_list -nuts.flush_node=direct.flush_node -nuts.flush=direct.flush -nuts.free=direct.free -nuts.remove=direct.remove -nuts.is_node=direct.is_node -nuts.end_of_math=direct.end_of_math -nuts.traverse=direct.traverse -nuts.traverse_id=direct.traverse_id -nuts.traverse_char=direct.traverse_char -nuts.ligaturing=direct.ligaturing -nuts.kerning=direct.kerning -nuts.getprop=nuts.getattr -nuts.setprop=nuts.setattr -local new_nut=direct.new -nuts.new=new_nut -nuts.pool={} -function nuts.pool.kern(k) - local n=new_nut("kern",1) - setfield(n,"kern",k) - return n -end -local propertydata=direct.get_properties_table() -nodes.properties={ data=propertydata } -direct.set_properties_mode(true,true) -function direct.set_properties_mode() end -nuts.getprop=function(n,k) - local p=propertydata[n] - if p then - return p[k] - end -end -nuts.setprop=function(n,k,v) - if v then - local p=propertydata[n] - if p then - p[k]=v - else - propertydata[n]={ [k]=v } - end - end -end -nodes.setprop=nodes.setproperty -nodes.getprop=nodes.getproperty - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “basics-nod”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ini” 10cb9a563a98e06ff79c35a8751e13dc] --- - -if not modules then modules={} end modules ['font-ini']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local allocate=utilities.storage.allocate -fonts=fonts or {} -local fonts=fonts -fonts.hashes={ identifiers=allocate() } -fonts.tables=fonts.tables or {} -fonts.helpers=fonts.helpers or {} -fonts.tracers=fonts.tracers or {} -fonts.specifiers=fonts.specifiers or {} -fonts.analyzers={} -fonts.readers={} -fonts.definers={ methods={} } -fonts.loggers={ register=function() end } -fontloader.totable=fontloader.to_table - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ini”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-con” 7575a7b4e6d04816072945e27d7d0b33] --- - -if not modules then modules={} end modules ['font-con']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local next,tostring,rawget=next,tostring,rawget -local format,match,lower,gsub,find=string.format,string.match,string.lower,string.gsub,string.find -local sort,insert,concat,sortedkeys,serialize,fastcopy=table.sort,table.insert,table.concat,table.sortedkeys,table.serialize,table.fastcopy -local derivetable=table.derive -local ioflush=io.flush -local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end) -local trace_scaling=false trackers.register("fonts.scaling",function(v) trace_scaling=v end) -local report_defining=logs.reporter("fonts","defining") -local fonts=fonts -local constructors=fonts.constructors or {} -fonts.constructors=constructors -local handlers=fonts.handlers or {} -fonts.handlers=handlers -local allocate=utilities.storage.allocate -local setmetatableindex=table.setmetatableindex -constructors.dontembed=allocate() -constructors.autocleanup=true -constructors.namemode="fullpath" -constructors.version=1.01 -constructors.cache=containers.define("fonts","constructors",constructors.version,false) -constructors.privateoffset=0xF0000 -constructors.cacheintex=true -local designsizes=allocate() -constructors.designsizes=designsizes -local loadedfonts=allocate() -constructors.loadedfonts=loadedfonts -local factors={ - pt=65536.0, - bp=65781.8, -} -function constructors.setfactor(f) - constructors.factor=factors[f or 'pt'] or factors.pt -end -constructors.setfactor() -function constructors.scaled(scaledpoints,designsize) - if scaledpoints<0 then - local factor=constructors.factor - if designsize then - if designsize>factor then - return (- scaledpoints/1000)*designsize - else - return (- scaledpoints/1000)*designsize*factor - end - else - return (- scaledpoints/1000)*10*factor - end - else - return scaledpoints - end -end -function constructors.cleanuptable(tfmdata) - if constructors.autocleanup and tfmdata.properties.virtualized then - for k,v in next,tfmdata.characters do - if v.commands then v.commands=nil end - end - end -end -function constructors.calculatescale(tfmdata,scaledpoints) - local parameters=tfmdata.parameters - if scaledpoints<0 then - scaledpoints=(- scaledpoints/1000)*(tfmdata.designsize or parameters.designsize) - end - return scaledpoints,scaledpoints/(parameters.units or 1000) -end -local unscaled={ - ScriptPercentScaleDown=true, - ScriptScriptPercentScaleDown=true, - RadicalDegreeBottomRaisePercent=true, - NoLimitSupFactor=true, - NoLimitSubFactor=true, -} -function constructors.assignmathparameters(target,original) - local mathparameters=original.mathparameters - if mathparameters and next(mathparameters) then - local targetparameters=target.parameters - local targetproperties=target.properties - local targetmathparameters={} - local factor=targetproperties.math_is_scaled and 1 or targetparameters.factor - for name,value in next,mathparameters do - if unscaled[name] then - targetmathparameters[name]=value - else - targetmathparameters[name]=value*factor - end - end - if not targetmathparameters.FractionDelimiterSize then - targetmathparameters.FractionDelimiterSize=1.01*targetparameters.size - end - if not mathparameters.FractionDelimiterDisplayStyleSize then - targetmathparameters.FractionDelimiterDisplayStyleSize=2.40*targetparameters.size - end - target.mathparameters=targetmathparameters - end -end -function constructors.beforecopyingcharacters(target,original) -end -function constructors.aftercopyingcharacters(target,original) -end -constructors.sharefonts=false -constructors.nofsharedfonts=0 -local sharednames={} -function constructors.trytosharefont(target,tfmdata) - if constructors.sharefonts then - local characters=target.characters - local n=1 - local t={ target.psname } - local u=sortedkeys(characters) - for i=1,#u do - local k=u[i] - n=n+1;t[n]=k - n=n+1;t[n]=characters[k].index or k - end - local h=md5.HEX(concat(t," ")) - local s=sharednames[h] - if s then - if trace_defining then - report_defining("font %a uses backend resources of font %a",target.fullname,s) - end - target.fullname=s - constructors.nofsharedfonts=constructors.nofsharedfonts+1 - target.properties.sharedwith=s - else - sharednames[h]=target.fullname - end - end -end -function constructors.enhanceparameters(parameters) - local xheight=parameters.x_height - local quad=parameters.quad - local space=parameters.space - local stretch=parameters.space_stretch - local shrink=parameters.space_shrink - local extra=parameters.extra_space - local slant=parameters.slant - parameters.xheight=xheight - parameters.spacestretch=stretch - parameters.spaceshrink=shrink - parameters.extraspace=extra - parameters.em=quad - parameters.ex=xheight - parameters.slantperpoint=slant - parameters.spacing={ - width=space, - stretch=stretch, - shrink=shrink, - extra=extra, - } -end -local function mathkerns(v,vdelta) - local k={} - for i=1,#v do - local entry=v[i] - local height=entry.height - local kern=entry.kern - k[i]={ - height=height and vdelta*height or 0, - kern=kern and vdelta*kern or 0, - } - end - return k -end -local psfake=0 -local function fixedpsname(psname,fallback) - local usedname=psname - if psname and psname~="" then - if find(psname," ") then - usedname=gsub(psname,"[%s]+","-") - else - end - elseif not fallback or fallback=="" then - psfake=psfake+1 - psname="fakename-"..psfake - else - psname=fallback - usedname=gsub(psname,"[^a-zA-Z0-9]+","-") - end - return usedname,psname~=usedname -end -function constructors.scale(tfmdata,specification) - local target={} - if tonumber(specification) then - specification={ size=specification } - end - target.specification=specification - local scaledpoints=specification.size - local relativeid=specification.relativeid - local properties=tfmdata.properties or {} - local goodies=tfmdata.goodies or {} - local resources=tfmdata.resources or {} - local descriptions=tfmdata.descriptions or {} - local characters=tfmdata.characters or {} - local changed=tfmdata.changed or {} - local shared=tfmdata.shared or {} - local parameters=tfmdata.parameters or {} - local mathparameters=tfmdata.mathparameters or {} - local targetcharacters={} - local targetdescriptions=derivetable(descriptions) - local targetparameters=derivetable(parameters) - local targetproperties=derivetable(properties) - local targetgoodies=goodies - target.characters=targetcharacters - target.descriptions=targetdescriptions - target.parameters=targetparameters - target.properties=targetproperties - target.goodies=targetgoodies - target.shared=shared - target.resources=resources - target.unscaled=tfmdata - local mathsize=tonumber(specification.mathsize) or 0 - local textsize=tonumber(specification.textsize) or scaledpoints - local forcedsize=tonumber(parameters.mathsize ) or 0 - local extrafactor=tonumber(specification.factor ) or 1 - if (mathsize==2 or forcedsize==2) and parameters.scriptpercentage then - scaledpoints=parameters.scriptpercentage*textsize/100 - elseif (mathsize==3 or forcedsize==3) and parameters.scriptscriptpercentage then - scaledpoints=parameters.scriptscriptpercentage*textsize/100 - elseif forcedsize>1000 then - scaledpoints=forcedsize - end - targetparameters.mathsize=mathsize - targetparameters.textsize=textsize - targetparameters.forcedsize=forcedsize - targetparameters.extrafactor=extrafactor - local tounicode=fonts.mappings.tounicode - local defaultwidth=resources.defaultwidth or 0 - local defaultheight=resources.defaultheight or 0 - local defaultdepth=resources.defaultdepth or 0 - local units=parameters.units or 1000 - if target.fonts then - target.fonts=fastcopy(target.fonts) - end - targetproperties.language=properties.language or "dflt" - targetproperties.script=properties.script or "dflt" - targetproperties.mode=properties.mode or "base" - local askedscaledpoints=scaledpoints - local scaledpoints,delta=constructors.calculatescale(tfmdata,scaledpoints,nil,specification) - local hdelta=delta - local vdelta=delta - target.designsize=parameters.designsize - target.units=units - target.units_per_em=units - local direction=properties.direction or tfmdata.direction or 0 - target.direction=direction - properties.direction=direction - target.size=scaledpoints - target.encodingbytes=properties.encodingbytes or 1 - target.embedding=properties.embedding or "subset" - target.tounicode=1 - target.cidinfo=properties.cidinfo - target.format=properties.format - target.cache=constructors.cacheintex and "yes" or "renew" - local fontname=properties.fontname or tfmdata.fontname - local fullname=properties.fullname or tfmdata.fullname - local filename=properties.filename or tfmdata.filename - local psname=properties.psname or tfmdata.psname - local name=properties.name or tfmdata.name - local psname,psfixed=fixedpsname(psname,fontname or fullname or file.nameonly(filename)) - target.fontname=fontname - target.fullname=fullname - target.filename=filename - target.psname=psname - target.name=name - properties.fontname=fontname - properties.fullname=fullname - properties.filename=filename - properties.psname=psname - properties.name=name - local expansion=parameters.expansion - if expansion then - target.stretch=expansion.stretch - target.shrink=expansion.shrink - target.step=expansion.step - target.auto_expand=expansion.auto - end - local protrusion=parameters.protrusion - if protrusion then - target.auto_protrude=protrusion.auto - end - local extendfactor=parameters.extendfactor or 0 - if extendfactor~=0 and extendfactor~=1 then - hdelta=hdelta*extendfactor - target.extend=extendfactor*1000 - else - target.extend=1000 - end - local slantfactor=parameters.slantfactor or 0 - if slantfactor~=0 then - target.slant=slantfactor*1000 - else - target.slant=0 - end - targetparameters.factor=delta - targetparameters.hfactor=hdelta - targetparameters.vfactor=vdelta - targetparameters.size=scaledpoints - targetparameters.units=units - targetparameters.scaledpoints=askedscaledpoints - local isvirtual=properties.virtualized or tfmdata.type=="virtual" - local hasquality=target.auto_expand or target.auto_protrude - local hasitalics=properties.hasitalics - local autoitalicamount=properties.autoitalicamount - local stackmath=not properties.nostackmath - local nonames=properties.noglyphnames - local haskerns=properties.haskerns or properties.mode=="base" - local hasligatures=properties.hasligatures or properties.mode=="base" - local realdimensions=properties.realdimensions - local writingmode=properties.writingmode or "horizontal" - local identity=properties.identity or "horizontal" - if changed and not next(changed) then - changed=false - end - target.type=isvirtual and "virtual" or "real" - target.writingmode=writingmode=="vertical" and "vertical" or "horizontal" - target.identity=identity=="vertical" and "vertical" or "horizontal" - target.postprocessors=tfmdata.postprocessors - local targetslant=(parameters.slant or parameters[1] or 0)*factors.pt - local targetspace=(parameters.space or parameters[2] or 0)*hdelta - local targetspace_stretch=(parameters.space_stretch or parameters[3] or 0)*hdelta - local targetspace_shrink=(parameters.space_shrink or parameters[4] or 0)*hdelta - local targetx_height=(parameters.x_height or parameters[5] or 0)*vdelta - local targetquad=(parameters.quad or parameters[6] or 0)*hdelta - local targetextra_space=(parameters.extra_space or parameters[7] or 0)*hdelta - targetparameters.slant=targetslant - targetparameters.space=targetspace - targetparameters.space_stretch=targetspace_stretch - targetparameters.space_shrink=targetspace_shrink - targetparameters.x_height=targetx_height - targetparameters.quad=targetquad - targetparameters.extra_space=targetextra_space - local ascender=parameters.ascender - if ascender then - targetparameters.ascender=delta*ascender - end - local descender=parameters.descender - if descender then - targetparameters.descender=delta*descender - end - constructors.enhanceparameters(targetparameters) - local protrusionfactor=(targetquad~=0 and 1000/targetquad) or 0 - local scaledwidth=defaultwidth*hdelta - local scaledheight=defaultheight*vdelta - local scaleddepth=defaultdepth*vdelta - local hasmath=(properties.hasmath or next(mathparameters)) and true - if hasmath then - constructors.assignmathparameters(target,tfmdata) - properties.hasmath=true - target.nomath=false - target.MathConstants=target.mathparameters - else - properties.hasmath=false - target.nomath=true - target.mathparameters=nil - end - if hasmath then - local mathitalics=properties.mathitalics - if mathitalics==false then - if trace_defining then - report_defining("%s italics %s for font %a, fullname %a, filename %a","math",hasitalics and "ignored" or "disabled",name,fullname,filename) - end - hasitalics=false - autoitalicamount=false - end - else - local textitalics=properties.textitalics - if textitalics==false then - if trace_defining then - report_defining("%s italics %s for font %a, fullname %a, filename %a","text",hasitalics and "ignored" or "disabled",name,fullname,filename) - end - hasitalics=false - autoitalicamount=false - end - end - if trace_defining then - report_defining("defining tfm, name %a, fullname %a, filename %a, %spsname %a, hscale %a, vscale %a, math %a, italics %a", - name,fullname,filename,psfixed and "(fixed) " or "",psname,hdelta,vdelta, - hasmath and "enabled" or "disabled",hasitalics and "enabled" or "disabled") - end - constructors.beforecopyingcharacters(target,tfmdata) - local sharedkerns={} - for unicode,character in next,characters do - local chr,description,index - if changed then - local c=changed[unicode] - if c then - description=descriptions[c] or descriptions[unicode] or character - character=characters[c] or character - index=description.index or c - else - description=descriptions[unicode] or character - index=description.index or unicode - end - else - description=descriptions[unicode] or character - index=description.index or unicode - end - local width=description.width - local height=description.height - local depth=description.depth - if realdimensions then - if not height or height==0 then - local bb=description.boundingbox - local ht=bb[4] - if ht~=0 then - height=ht - end - if not depth or depth==0 then - local dp=-bb[2] - if dp~=0 then - depth=dp - end - end - elseif not depth or depth==0 then - local dp=-description.boundingbox[2] - if dp~=0 then - depth=dp - end - end - end - if width then width=hdelta*width else width=scaledwidth end - if height then height=vdelta*height else height=scaledheight end - if depth and depth~=0 then - depth=delta*depth - if nonames then - chr={ - index=index, - height=height, - depth=depth, - width=width, - } - else - chr={ - name=description.name, - index=index, - height=height, - depth=depth, - width=width, - } - end - else - if nonames then - chr={ - index=index, - height=height, - width=width, - } - else - chr={ - name=description.name, - index=index, - height=height, - width=width, - } - end - end - local isunicode=description.unicode - if isunicode then - chr.unicode=isunicode - chr.tounicode=tounicode(isunicode) - end - if hasquality then - local ve=character.expansion_factor - if ve then - chr.expansion_factor=ve*1000 - end - local vl=character.left_protruding - if vl then - chr.left_protruding=protrusionfactor*width*vl - end - local vr=character.right_protruding - if vr then - chr.right_protruding=protrusionfactor*width*vr - end - end - if hasmath then - local vn=character.next - if vn then - chr.next=vn - else - local vv=character.vert_variants - if vv then - local t={} - for i=1,#vv do - local vvi=vv[i] - t[i]={ - ["start"]=(vvi["start"] or 0)*vdelta, - ["end"]=(vvi["end"] or 0)*vdelta, - ["advance"]=(vvi["advance"] or 0)*vdelta, - ["extender"]=vvi["extender"], - ["glyph"]=vvi["glyph"], - } - end - chr.vert_variants=t - else - local hv=character.horiz_variants - if hv then - local t={} - for i=1,#hv do - local hvi=hv[i] - t[i]={ - ["start"]=(hvi["start"] or 0)*hdelta, - ["end"]=(hvi["end"] or 0)*hdelta, - ["advance"]=(hvi["advance"] or 0)*hdelta, - ["extender"]=hvi["extender"], - ["glyph"]=hvi["glyph"], - } - end - chr.horiz_variants=t - end - end - end - local vi=character.vert_italic - if vi and vi~=0 then - chr.vert_italic=vi*hdelta - end - local va=character.accent - if va then - chr.top_accent=vdelta*va - end - if stackmath then - local mk=character.mathkerns - if mk then - local tr,tl,br,bl=mk.topright,mk.topleft,mk.bottomright,mk.bottomleft - chr.mathkern={ - top_right=tr and mathkerns(tr,vdelta) or nil, - top_left=tl and mathkerns(tl,vdelta) or nil, - bottom_right=br and mathkerns(br,vdelta) or nil, - bottom_left=bl and mathkerns(bl,vdelta) or nil, - } - end - end - if hasitalics then - local vi=character.italic - if vi and vi~=0 then - chr.italic=vi*hdelta - end - end - elseif autoitalicamount then - local vi=description.italic - if not vi then - local bb=description.boundingbox - if bb then - local vi=bb[3]-description.width+autoitalicamount - if vi>0 then - chr.italic=vi*hdelta - end - else - end - elseif vi~=0 then - chr.italic=vi*hdelta - end - elseif hasitalics then - local vi=character.italic - if vi and vi~=0 then - chr.italic=vi*hdelta - end - end - if haskerns then - local vk=character.kerns - if vk then - local s=sharedkerns[vk] - if not s then - s={} - for k,v in next,vk do s[k]=v*hdelta end - sharedkerns[vk]=s - end - chr.kerns=s - end - end - if hasligatures then - local vl=character.ligatures - if vl then - if true then - chr.ligatures=vl - else - local tt={} - for i,l in next,vl do - tt[i]=l - end - chr.ligatures=tt - end - end - end - if isvirtual then - local vc=character.commands - if vc then - local ok=false - for i=1,#vc do - local key=vc[i][1] - if key=="right" or key=="down" then - ok=true - break - end - end - if ok then - local tt={} - for i=1,#vc do - local ivc=vc[i] - local key=ivc[1] - if key=="right" then - tt[i]={ key,ivc[2]*hdelta } - elseif key=="down" then - tt[i]={ key,ivc[2]*vdelta } - elseif key=="rule" then - tt[i]={ key,ivc[2]*vdelta,ivc[3]*hdelta } - else - tt[i]=ivc - end - end - chr.commands=tt - else - chr.commands=vc - end - chr.index=nil - end - end - targetcharacters[unicode]=chr - end - properties.setitalics=hasitalics - constructors.aftercopyingcharacters(target,tfmdata) - constructors.trytosharefont(target,tfmdata) - return target -end -function constructors.finalize(tfmdata) - if tfmdata.properties and tfmdata.properties.finalized then - return - end - if not tfmdata.characters then - return nil - end - if not tfmdata.goodies then - tfmdata.goodies={} - end - local parameters=tfmdata.parameters - if not parameters then - return nil - end - if not parameters.expansion then - parameters.expansion={ - stretch=tfmdata.stretch or 0, - shrink=tfmdata.shrink or 0, - step=tfmdata.step or 0, - auto=tfmdata.auto_expand or false, - } - end - if not parameters.protrusion then - parameters.protrusion={ - auto=auto_protrude - } - end - if not parameters.size then - parameters.size=tfmdata.size - end - if not parameters.extendfactor then - parameters.extendfactor=tfmdata.extend or 0 - end - if not parameters.slantfactor then - parameters.slantfactor=tfmdata.slant or 0 - end - local designsize=parameters.designsize - if designsize then - parameters.minsize=tfmdata.minsize or designsize - parameters.maxsize=tfmdata.maxsize or designsize - else - designsize=factors.pt*10 - parameters.designsize=designsize - parameters.minsize=designsize - parameters.maxsize=designsize - end - parameters.minsize=tfmdata.minsize or parameters.designsize - parameters.maxsize=tfmdata.maxsize or parameters.designsize - if not parameters.units then - parameters.units=tfmdata.units or tfmdata.units_per_em or 1000 - end - if not tfmdata.descriptions then - local descriptions={} - setmetatableindex(descriptions,function(t,k) local v={} t[k]=v return v end) - tfmdata.descriptions=descriptions - end - local properties=tfmdata.properties - if not properties then - properties={} - tfmdata.properties=properties - end - if not properties.virtualized then - properties.virtualized=tfmdata.type=="virtual" - end - if not tfmdata.properties then - tfmdata.properties={ - fontname=tfmdata.fontname, - filename=tfmdata.filename, - fullname=tfmdata.fullname, - name=tfmdata.name, - psname=tfmdata.psname, - encodingbytes=tfmdata.encodingbytes or 1, - embedding=tfmdata.embedding or "subset", - tounicode=tfmdata.tounicode or 1, - cidinfo=tfmdata.cidinfo or nil, - format=tfmdata.format or "type1", - direction=tfmdata.direction or 0, - writingmode=tfmdata.writingmode or "horizontal", - identity=tfmdata.identity or "horizontal", - } - end - if not tfmdata.resources then - tfmdata.resources={} - end - if not tfmdata.shared then - tfmdata.shared={} - end - if not properties.hasmath then - properties.hasmath=not tfmdata.nomath - end - tfmdata.MathConstants=nil - tfmdata.postprocessors=nil - tfmdata.fontname=nil - tfmdata.filename=nil - tfmdata.fullname=nil - tfmdata.name=nil - tfmdata.psname=nil - tfmdata.encodingbytes=nil - tfmdata.embedding=nil - tfmdata.tounicode=nil - tfmdata.cidinfo=nil - tfmdata.format=nil - tfmdata.direction=nil - tfmdata.type=nil - tfmdata.nomath=nil - tfmdata.designsize=nil - tfmdata.size=nil - tfmdata.stretch=nil - tfmdata.shrink=nil - tfmdata.step=nil - tfmdata.auto_expand=nil - tfmdata.auto_protrude=nil - tfmdata.extend=nil - tfmdata.slant=nil - tfmdata.units=nil - tfmdata.units_per_em=nil - tfmdata.cache=nil - properties.finalized=true - return tfmdata -end -local hashmethods={} -constructors.hashmethods=hashmethods -function constructors.hashfeatures(specification) - local features=specification.features - if features then - local t,tn={},0 - for category,list in next,features do - if next(list) then - local hasher=hashmethods[category] - if hasher then - local hash=hasher(list) - if hash then - tn=tn+1 - t[tn]=category..":"..hash - end - end - end - end - if tn>0 then - return concat(t," & ") - end - end - return "unknown" -end -hashmethods.normal=function(list) - local s={} - local n=0 - for k,v in next,list do - if not k then - elseif k=="number" or k=="features" then - else - n=n+1 - s[n]=k..'='..tostring(v) - end - end - if n>0 then - sort(s) - return concat(s,"+") - end -end -function constructors.hashinstance(specification,force) - local hash,size,fallbacks=specification.hash,specification.size,specification.fallbacks - if force or not hash then - hash=constructors.hashfeatures(specification) - specification.hash=hash - end - if size<1000 and designsizes[hash] then - size=math.round(constructors.scaled(size,designsizes[hash])) - specification.size=size - end - if fallbacks then - return hash..' @ '..tostring(size)..' @ '..fallbacks - else - return hash..' @ '..tostring(size) - end -end -function constructors.setname(tfmdata,specification) - if constructors.namemode=="specification" then - local specname=specification.specification - if specname then - tfmdata.properties.name=specname - if trace_defining then - report_otf("overloaded fontname %a",specname) - end - end - end -end -function constructors.checkedfilename(data) - local foundfilename=data.foundfilename - if not foundfilename then - local askedfilename=data.filename or "" - if askedfilename~="" then - askedfilename=resolvers.resolve(askedfilename) - foundfilename=resolvers.findbinfile(askedfilename,"") or "" - if foundfilename=="" then - report_defining("source file %a is not found",askedfilename) - foundfilename=resolvers.findbinfile(file.basename(askedfilename),"") or "" - if foundfilename~="" then - report_defining("using source file %a due to cache mismatch",foundfilename) - end - end - end - data.foundfilename=foundfilename - end - return foundfilename -end -local formats=allocate() -fonts.formats=formats -setmetatableindex(formats,function(t,k) - local l=lower(k) - if rawget(t,k) then - t[k]=l - return l - end - return rawget(t,file.suffix(l)) -end) -do - local function setindeed(mode,source,target,group,name,position) - local action=source[mode] - if not action then - return - end - local t=target[mode] - if not t then - report_defining("fatal error in setting feature %a, group %a, mode %a",name,group,mode) - os.exit() - elseif position then - insert(t,position,{ name=name,action=action }) - else - for i=1,#t do - local ti=t[i] - if ti.name==name then - ti.action=action - return - end - end - insert(t,{ name=name,action=action }) - end - end - local function set(group,name,target,source) - target=target[group] - if not target then - report_defining("fatal target error in setting feature %a, group %a",name,group) - os.exit() - end - local source=source[group] - if not source then - report_defining("fatal source error in setting feature %a, group %a",name,group) - os.exit() - end - local position=source.position - setindeed("node",source,target,group,name,position) - setindeed("base",source,target,group,name,position) - setindeed("plug",source,target,group,name,position) - end - local function register(where,specification) - local name=specification.name - if name and name~="" then - local default=specification.default - local description=specification.description - local initializers=specification.initializers - local processors=specification.processors - local manipulators=specification.manipulators - local modechecker=specification.modechecker - if default then - where.defaults[name]=default - end - if description and description~="" then - where.descriptions[name]=description - end - if initializers then - set('initializers',name,where,specification) - end - if processors then - set('processors',name,where,specification) - end - if manipulators then - set('manipulators',name,where,specification) - end - if modechecker then - where.modechecker=modechecker - end - end - end - constructors.registerfeature=register - function constructors.getfeatureaction(what,where,mode,name) - what=handlers[what].features - if what then - where=what[where] - if where then - mode=where[mode] - if mode then - for i=1,#mode do - local m=mode[i] - if m.name==name then - return m.action - end - end - end - end - end - end - local newfeatures={} - constructors.newfeatures=newfeatures - constructors.features=newfeatures - local function setnewfeatures(what) - local handler=handlers[what] - local features=handler.features - if not features then - local tables=handler.tables - local statistics=handler.statistics - features=allocate { - defaults={}, - descriptions=tables and tables.features or {}, - used=statistics and statistics.usedfeatures or {}, - initializers={ base={},node={},plug={} }, - processors={ base={},node={},plug={} }, - manipulators={ base={},node={},plug={} }, - } - features.register=function(specification) return register(features,specification) end - handler.features=features - end - return features - end - setmetatable(newfeatures,{ - __call=function(t,k) local v=t[k] return v end, - __index=function(t,k) local v=setnewfeatures(k) t[k]=v return v end, - }) -end -do - local newhandler={} - constructors.handlers=newhandler - constructors.newhandler=newhandler - local function setnewhandler(what) - local handler=handlers[what] - if not handler then - handler={} - handlers[what]=handler - end - return handler - end - setmetatable(newhandler,{ - __call=function(t,k) local v=t[k] return v end, - __index=function(t,k) local v=setnewhandler(k) t[k]=v return v end, - }) -end -do - local newenhancer={} - constructors.enhancers=newenhancer - constructors.newenhancer=newenhancer - local function setnewenhancer(format) - local handler=handlers[format] - local enhancers=handler.enhancers - if not enhancers then - local actions=allocate() - local before=allocate() - local after=allocate() - local order=allocate() - local patches={ before=before,after=after } - local trace=false - local report=logs.reporter("fonts",format.." enhancing") - trackers.register(format..".loading",function(v) trace=v end) - local function enhance(name,data,filename,raw) - local enhancer=actions[name] - if enhancer then - if trace then - report("apply enhancement %a to file %a",name,filename) - ioflush() - end - enhancer(data,filename,raw) - else - end - end - local function apply(data,filename,raw) - local basename=file.basename(lower(filename)) - if trace then - report("%s enhancing file %a","start",filename) - end - ioflush() - for e=1,#order do - local enhancer=order[e] - local b=before[enhancer] - if b then - for pattern,action in next,b do - if find(basename,pattern) then - action(data,filename,raw) - end - end - end - enhance(enhancer,data,filename,raw) - local a=after[enhancer] - if a then - for pattern,action in next,a do - if find(basename,pattern) then - action(data,filename,raw) - end - end - end - ioflush() - end - if trace then - report("%s enhancing file %a","stop",filename) - end - ioflush() - end - local function register(what,action) - if action then - if actions[what] then - else - order[#order+1]=what - end - actions[what]=action - else - report("bad enhancer %a",what) - end - end - local function patch(what,where,pattern,action) - local pw=patches[what] - if pw then - local ww=pw[where] - if ww then - ww[pattern]=action - else - pw[where]={ [pattern]=action} - end - end - end - enhancers={ - register=register, - apply=apply, - patch=patch, - patches={ register=patch }, - } - handler.enhancers=enhancers - end - return enhancers - end - setmetatable(newenhancer,{ - __call=function(t,k) local v=t[k] return v end, - __index=function(t,k) local v=setnewenhancer(k) t[k]=v return v end, - }) -end -function constructors.checkedfeatures(what,features) - local defaults=handlers[what].features.defaults - if features and next(features) then - features=fastcopy(features) - for key,value in next,defaults do - if features[key]==nil then - features[key]=value - end - end - return features - else - return fastcopy(defaults) - end -end -function constructors.initializefeatures(what,tfmdata,features,trace,report) - if features and next(features) then - local properties=tfmdata.properties or {} - local whathandler=handlers[what] - local whatfeatures=whathandler.features - local whatmodechecker=whatfeatures.modechecker - local mode=properties.mode or (whatmodechecker and whatmodechecker(tfmdata,features,features.mode)) or features.mode or "base" - properties.mode=mode - features.mode=mode - local done={} - while true do - local redo=false - local initializers=whatfeatures.initializers[mode] - if initializers then - for i=1,#initializers do - local step=initializers[i] - local feature=step.name - local value=features[feature] - if not value then - elseif done[feature] then - else - local action=step.action - if trace then - report("initializing feature %a to %a for mode %a for font %a",feature, - value,mode,tfmdata.properties.fullname) - end - action(tfmdata,value,features) - if mode~=properties.mode or mode~=features.mode then - if whatmodechecker then - properties.mode=whatmodechecker(tfmdata,features,properties.mode) - features.mode=properties.mode - end - if mode~=properties.mode then - mode=properties.mode - redo=true - end - end - done[feature]=true - end - if redo then - break - end - end - if not redo then - break - end - else - break - end - end - properties.mode=mode - return true - else - return false - end -end -function constructors.collectprocessors(what,tfmdata,features,trace,report) - local processes,nofprocesses={},0 - if features and next(features) then - local properties=tfmdata.properties - local whathandler=handlers[what] - local whatfeatures=whathandler.features - local whatprocessors=whatfeatures.processors - local mode=properties.mode - local processors=whatprocessors[mode] - if processors then - for i=1,#processors do - local step=processors[i] - local feature=step.name - if features[feature] then - local action=step.action - if trace then - report("installing feature processor %a for mode %a for font %a",feature,mode,tfmdata.properties.fullname) - end - if action then - nofprocesses=nofprocesses+1 - processes[nofprocesses]=action - end - end - end - elseif trace then - report("no feature processors for mode %a for font %a",mode,properties.fullname) - end - end - return processes -end -function constructors.applymanipulators(what,tfmdata,features,trace,report) - if features and next(features) then - local properties=tfmdata.properties - local whathandler=handlers[what] - local whatfeatures=whathandler.features - local whatmanipulators=whatfeatures.manipulators - local mode=properties.mode - local manipulators=whatmanipulators[mode] - if manipulators then - for i=1,#manipulators do - local step=manipulators[i] - local feature=step.name - local value=features[feature] - if value then - local action=step.action - if trace then - report("applying feature manipulator %a for mode %a for font %a",feature,mode,properties.fullname) - end - if action then - action(tfmdata,feature,value) - end - end - end - end - end -end -function constructors.addcoreunicodes(unicodes) - if not unicodes then - unicodes={} - end - unicodes.space=0x0020 - unicodes.hyphen=0x002D - unicodes.zwj=0x200D - unicodes.zwnj=0x200C - return unicodes -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-con”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “fonts-enc” a7ace7c1969cd64a5ca9888838f3edb6] --- - -if not modules then modules={} end modules ['luatex-font-enc']={ - version=1.001, - comment="companion to luatex-*.tex", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -if context then - texio.write_nl("fatal error: this module is not for context") - os.exit() -end -local fonts=fonts -local encodings={} -fonts.encodings=encodings -encodings.agl={} -encodings.known={} -setmetatable(encodings.agl,{ __index=function(t,k) - if k=="unicodes" then - texio.write(" <loading (extended) adobe glyph list>") - local unicodes=dofile(resolvers.findfile("font-age.lua")) - encodings.agl={ unicodes=unicodes } - return unicodes - else - return nil - end -end }) -encodings.cache=containers.define("fonts","enc",encodings.version,true) -function encodings.load(filename) - local name=file.removesuffix(filename) - local data=containers.read(encodings.cache,name) - if data then - return data - end - local vector,tag,hash,unicodes={},"",{},{} - local foundname=resolvers.findfile(filename,'enc') - if foundname and foundname~="" then - local ok,encoding,size=resolvers.loadbinfile(foundname) - if ok and encoding then - encoding=string.gsub(encoding,"%%(.-)\n","") - local unicoding=encodings.agl.unicodes - local tag,vec=string.match(encoding,"/(%w+)%s*%[(.*)%]%s*def") - local i=0 - for ch in string.gmatch(vec,"/([%a%d%.]+)") do - if ch~=".notdef" then - vector[i]=ch - if not hash[ch] then - hash[ch]=i - else - end - local u=unicoding[ch] - if u then - unicodes[u]=i - end - end - i=i+1 - end - end - end - local data={ - name=name, - tag=tag, - vector=vector, - hash=hash, - unicodes=unicodes - } - return containers.write(encodings.cache,name,data) -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “fonts-enc”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-cid” 52421d1fdaa07ec4b1d936c6ff5079be] --- - -if not modules then modules={} end modules ['font-cid']={ - version=1.001, - comment="companion to font-otf.lua (cidmaps)", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local format,match,lower=string.format,string.match,string.lower -local tonumber=tonumber -local P,S,R,C,V,lpegmatch=lpeg.P,lpeg.S,lpeg.R,lpeg.C,lpeg.V,lpeg.match -local fonts,logs,trackers=fonts,logs,trackers -local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) -local report_otf=logs.reporter("fonts","otf loading") -local cid={} -fonts.cid=cid -local cidmap={} -local cidmax=10 -local number=C(R("09","af","AF")^1) -local space=S(" \n\r\t") -local spaces=space^0 -local period=P(".") -local periods=period*period -local name=P("/")*C((1-space)^1) -local unicodes,names={},{} -local function do_one(a,b) - unicodes[tonumber(a)]=tonumber(b,16) -end -local function do_range(a,b,c) - c=tonumber(c,16) - for i=tonumber(a),tonumber(b) do - unicodes[i]=c - c=c+1 - end -end -local function do_name(a,b) - names[tonumber(a)]=b -end -local grammar=P { "start", - start=number*spaces*number*V("series"), - series=(spaces*(V("one")+V("range")+V("named")))^1, - one=(number*spaces*number)/do_one, - range=(number*periods*number*spaces*number)/do_range, - named=(number*spaces*name)/do_name -} -local function loadcidfile(filename) - local data=io.loaddata(filename) - if data then - unicodes,names={},{} - lpegmatch(grammar,data) - local supplement,registry,ordering=match(filename,"^(.-)%-(.-)%-()%.(.-)$") - return { - supplement=supplement, - registry=registry, - ordering=ordering, - filename=filename, - unicodes=unicodes, - names=names, - } - end -end -cid.loadfile=loadcidfile -local template="%s-%s-%s.cidmap" -local function locate(registry,ordering,supplement) - local filename=format(template,registry,ordering,supplement) - local hashname=lower(filename) - local found=cidmap[hashname] - if not found then - if trace_loading then - report_otf("checking cidmap, registry %a, ordering %a, supplement %a, filename %a",registry,ordering,supplement,filename) - end - local fullname=resolvers.findfile(filename,'cid') or "" - if fullname~="" then - found=loadcidfile(fullname) - if found then - if trace_loading then - report_otf("using cidmap file %a",filename) - end - cidmap[hashname]=found - found.usedname=file.basename(filename) - end - end - end - return found -end -function cid.getmap(specification) - if not specification then - report_otf("invalid cidinfo specification, table expected") - return - end - local registry=specification.registry - local ordering=specification.ordering - local supplement=specification.supplement - local filename=format(registry,ordering,supplement) - local lowername=lower(filename) - local found=cidmap[lowername] - if found then - return found - end - if ordering=="Identity" then - local found={ - supplement=supplement, - registry=registry, - ordering=ordering, - filename=filename, - unicodes={}, - names={}, - } - cidmap[lowername]=found - return found - end - if trace_loading then - report_otf("cidmap needed, registry %a, ordering %a, supplement %a",registry,ordering,supplement) - end - found=locate(registry,ordering,supplement) - if not found then - local supnum=tonumber(supplement) - local cidnum=nil - if supnum<cidmax then - for s=supnum+1,cidmax do - local c=locate(registry,ordering,s) - if c then - found,cidnum=c,s - break - end - end - end - if not found and supnum>0 then - for s=supnum-1,0,-1 do - local c=locate(registry,ordering,s) - if c then - found,cidnum=c,s - break - end - end - end - registry=lower(registry) - ordering=lower(ordering) - if found and cidnum>0 then - for s=0,cidnum-1 do - local filename=format(template,registry,ordering,s) - if not cidmap[filename] then - cidmap[filename]=found - end - end - end - end - return found -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-cid”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-map” 8708bde7467785c4d3b7afdaf2f9333a] --- - -if not modules then modules={} end modules ['font-map']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local tonumber,next,type=tonumber,next,type -local match,format,find,concat,gsub,lower=string.match,string.format,string.find,table.concat,string.gsub,string.lower -local P,R,S,C,Ct,Cc,lpegmatch=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Ct,lpeg.Cc,lpeg.match -local floor=math.floor -local formatters=string.formatters -local sortedhash,sortedkeys=table.sortedhash,table.sortedkeys -local trace_loading=false trackers.register("fonts.loading",function(v) trace_loading=v end) -local trace_mapping=false trackers.register("fonts.mapping",function(v) trace_mapping=v end) -local report_fonts=logs.reporter("fonts","loading") -local force_ligatures=false directives.register("fonts.mapping.forceligatures",function(v) force_ligatures=v end) -local fonts=fonts or {} -local mappings=fonts.mappings or {} -fonts.mappings=mappings -local allocate=utilities.storage.allocate -local hex=R("AF","af","09") -local hexfour=(hex*hex*hex^-2)/function(s) return tonumber(s,16) end -local hexsix=(hex*hex*hex^-4)/function(s) return tonumber(s,16) end -local dec=(R("09")^1)/tonumber -local period=P(".") -local unicode=(P("uni")+P("UNI"))*(hexfour*(period+P(-1))*Cc(false)+Ct(hexfour^1)*Cc(true)) -local ucode=(P("u")+P("U") )*(hexsix*(period+P(-1))*Cc(false)+Ct(hexsix^1)*Cc(true)) -local index=P("index")*dec*Cc(false) -local parser=unicode+ucode+index -local parsers={} -local function makenameparser(str) - if not str or str=="" then - return parser - else - local p=parsers[str] - if not p then - p=P(str)*period*dec*Cc(false) - parsers[str]=p - end - return p - end -end -local f_single=formatters["%04X"] -local f_double=formatters["%04X%04X"] -local function tounicode16(unicode) - if unicode<0xD7FF or (unicode>0xDFFF and unicode<=0xFFFF) then - return f_single(unicode) - else - unicode=unicode-0x10000 - return f_double(floor(unicode/1024)+0xD800,unicode%1024+0xDC00) - end -end -local function tounicode16sequence(unicodes) - local t={} - for l=1,#unicodes do - local u=unicodes[l] - if u<0xD7FF or (u>0xDFFF and u<=0xFFFF) then - t[l]=f_single(u) - else - u=u-0x10000 - t[l]=f_double(floor(u/1024)+0xD800,u%1024+0xDC00) - end - end - return concat(t) -end -local function tounicode(unicode,name) - if type(unicode)=="table" then - local t={} - for l=1,#unicode do - local u=unicode[l] - if u<0xD7FF or (u>0xDFFF and u<=0xFFFF) then - t[l]=f_single(u) - else - u=u-0x10000 - t[l]=f_double(floor(u/1024)+0xD800,u%1024+0xDC00) - end - end - return concat(t) - else - if unicode<0xD7FF or (unicode>0xDFFF and unicode<=0xFFFF) then - return f_single(unicode) - else - unicode=unicode-0x10000 - return f_double(floor(unicode/1024)+0xD800,unicode%1024+0xDC00) - end - end -end -local function fromunicode16(str) - if #str==4 then - return tonumber(str,16) - else - local l,r=match(str,"(....)(....)") - return 0x10000+(tonumber(l,16)-0xD800)*0x400+tonumber(r,16)-0xDC00 - end -end -mappings.makenameparser=makenameparser -mappings.tounicode=tounicode -mappings.tounicode16=tounicode16 -mappings.tounicode16sequence=tounicode16sequence -mappings.fromunicode16=fromunicode16 -local ligseparator=P("_") -local varseparator=P(".") -local namesplitter=Ct(C((1-ligseparator-varseparator)^1)*(ligseparator*C((1-ligseparator-varseparator)^1))^0) -do - local overloads=allocate { - IJ={ name="I_J",unicode={ 0x49,0x4A },mess=0x0132 }, - ij={ name="i_j",unicode={ 0x69,0x6A },mess=0x0133 }, - ff={ name="f_f",unicode={ 0x66,0x66 },mess=0xFB00 }, - fi={ name="f_i",unicode={ 0x66,0x69 },mess=0xFB01 }, - fl={ name="f_l",unicode={ 0x66,0x6C },mess=0xFB02 }, - ffi={ name="f_f_i",unicode={ 0x66,0x66,0x69 },mess=0xFB03 }, - ffl={ name="f_f_l",unicode={ 0x66,0x66,0x6C },mess=0xFB04 }, - fj={ name="f_j",unicode={ 0x66,0x6A } }, - fk={ name="f_k",unicode={ 0x66,0x6B } }, - } - local o={} - for k,v in next,overloads do - local name=v.name - local mess=v.mess - if name then - o[name]=v - end - if mess then - o[mess]=v - end - o[k]=v - end - mappings.overloads=o -end -function mappings.addtounicode(data,filename,checklookups) - local resources=data.resources - local unicodes=resources.unicodes - if not unicodes then - if trace_mapping then - report_fonts("no unicode list, quitting tounicode for %a",filename) - end - return - end - local properties=data.properties - local descriptions=data.descriptions - local overloads=mappings.overloads - unicodes['space']=unicodes['space'] or 32 - unicodes['hyphen']=unicodes['hyphen'] or 45 - unicodes['zwj']=unicodes['zwj'] or 0x200D - unicodes['zwnj']=unicodes['zwnj'] or 0x200C - local private=fonts.constructors and fonts.constructors.privateoffset or 0xF0000 - local unicodevector=fonts.encodings.agl.unicodes or {} - local contextvector=fonts.encodings.agl.ctxcodes or {} - local missing={} - local nofmissing=0 - local oparser=nil - local cidnames=nil - local cidcodes=nil - local cidinfo=properties.cidinfo - local usedmap=cidinfo and fonts.cid.getmap(cidinfo) - local uparser=makenameparser() - if usedmap then - oparser=usedmap and makenameparser(cidinfo.ordering) - cidnames=usedmap.names - cidcodes=usedmap.unicodes - end - local ns=0 - local nl=0 - local dlist=sortedkeys(descriptions) - for i=1,#dlist do - local du=dlist[i] - local glyph=descriptions[du] - local name=glyph.name - if name then - local overload=overloads[name] or overloads[du] - if overload then - glyph.unicode=overload.unicode - else - local gu=glyph.unicode - if not gu or gu==-1 or du>=private or (du>=0xE000 and du<=0xF8FF) or du==0xFFFE or du==0xFFFF then - local unicode=unicodevector[name] or contextvector[name] - if unicode then - glyph.unicode=unicode - ns=ns+1 - end - if (not unicode) and usedmap then - local foundindex=lpegmatch(oparser,name) - if foundindex then - unicode=cidcodes[foundindex] - if unicode then - glyph.unicode=unicode - ns=ns+1 - else - local reference=cidnames[foundindex] - if reference then - local foundindex=lpegmatch(oparser,reference) - if foundindex then - unicode=cidcodes[foundindex] - if unicode then - glyph.unicode=unicode - ns=ns+1 - end - end - if not unicode or unicode=="" then - local foundcodes,multiple=lpegmatch(uparser,reference) - if foundcodes then - glyph.unicode=foundcodes - if multiple then - nl=nl+1 - unicode=true - else - ns=ns+1 - unicode=foundcodes - end - end - end - end - end - end - end - if not unicode or unicode=="" then - local split=lpegmatch(namesplitter,name) - local nsplit=split and #split or 0 - if nsplit==0 then - elseif nsplit==1 then - local base=split[1] - local u=unicodes[base] or unicodevector[base] or contextvector[name] - if not u then - elseif type(u)=="table" then - if u[1]<private then - unicode=u - glyph.unicode=unicode - end - elseif u<private then - unicode=u - glyph.unicode=unicode - end - else - local t,n={},0 - for l=1,nsplit do - local base=split[l] - local u=unicodes[base] or unicodevector[base] or contextvector[name] - if not u then - break - elseif type(u)=="table" then - if u[1]>=private then - break - end - n=n+1 - t[n]=u[1] - else - if u>=private then - break - end - n=n+1 - t[n]=u - end - end - if n>0 then - if n==1 then - unicode=t[1] - else - unicode=t - end - glyph.unicode=unicode - end - end - nl=nl+1 - end - if not unicode or unicode=="" then - local foundcodes,multiple=lpegmatch(uparser,name) - if foundcodes then - glyph.unicode=foundcodes - if multiple then - nl=nl+1 - unicode=true - else - ns=ns+1 - unicode=foundcodes - end - end - end - local r=overloads[unicode] - if r then - unicode=r.unicode - glyph.unicode=unicode - end - if not unicode then - missing[du]=true - nofmissing=nofmissing+1 - end - end - end - else - local overload=overloads[du] - if overload then - glyph.unicode=overload.unicode - end - end - end - if type(checklookups)=="function" then - checklookups(data,missing,nofmissing) - end - local collected=false - local unicoded=0 - for i=1,#dlist do - local du=dlist[i] - local glyph=descriptions[du] - if glyph.class=="ligature" and (force_ligatures or not glyph.unicode) then - if not collected then - collected=fonts.handlers.otf.readers.getcomponents(data) - if not collected then - break - end - end - local u=collected[du] - if u then - local n=#u - for i=1,n do - if u[i]>private then - n=0 - break - end - end - if n>0 then - if n>1 then - glyph.unicode=u - else - glyph.unicode=u[1] - end - unicoded=unicoded+1 - end - end - end - end - if trace_mapping and unicoded>0 then - report_fonts("%n ligature tounicode mappings deduced from gsub ligature features",unicoded) - end - if trace_mapping then - for i=1,#dlist do - local du=dlist[i] - local glyph=descriptions[du] - local name=glyph.name or "-" - local index=glyph.index or 0 - local unicode=glyph.unicode - if unicode then - if type(unicode)=="table" then - local unicodes={} - for i=1,#unicode do - unicodes[i]=formatters("%U",unicode[i]) - end - report_fonts("internal slot %U, name %a, unicode %U, tounicode % t",index,name,du,unicodes) - else - report_fonts("internal slot %U, name %a, unicode %U, tounicode %U",index,name,du,unicode) - end - else - report_fonts("internal slot %U, name %a, unicode %U",index,name,du) - end - end - end - if trace_loading and (ns>0 or nl>0) then - report_fonts("%s tounicode entries added, ligatures %s",nl+ns,ns) - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-map”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-oti” 8f48c06a1d632febd7231ad5dfadfc53] --- - -if not modules then modules={} end modules ['font-oti']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local lower=string.lower -local fonts=fonts -local constructors=fonts.constructors -local otf=constructors.handlers.otf -local otffeatures=constructors.features.otf -local registerotffeature=otffeatures.register -local otftables=otf.tables or {} -otf.tables=otftables -local allocate=utilities.storage.allocate -registerotffeature { - name="features", - description="initialization of feature handler", - default=true, -} -local function setmode(tfmdata,value) - if value then - tfmdata.properties.mode=lower(value) - end -end -otf.modeinitializer=setmode -local function setlanguage(tfmdata,value) - if value then - local cleanvalue=lower(value) - local languages=otftables and otftables.languages - local properties=tfmdata.properties - if not languages then - properties.language=cleanvalue - elseif languages[value] then - properties.language=cleanvalue - else - properties.language="dflt" - end - end -end -local function setscript(tfmdata,value) - if value then - local cleanvalue=lower(value) - local scripts=otftables and otftables.scripts - local properties=tfmdata.properties - if not scripts then - properties.script=cleanvalue - elseif scripts[value] then - properties.script=cleanvalue - else - properties.script="dflt" - end - end -end -registerotffeature { - name="mode", - description="mode", - initializers={ - base=setmode, - node=setmode, - plug=setmode, - } -} -registerotffeature { - name="language", - description="language", - initializers={ - base=setlanguage, - node=setlanguage, - plug=setlanguage, - } -} -registerotffeature { - name="script", - description="script", - initializers={ - base=setscript, - node=setscript, - plug=setscript, - } -} -otftables.featuretypes=allocate { - gpos_single="position", - gpos_pair="position", - gpos_cursive="position", - gpos_mark2base="position", - gpos_mark2ligature="position", - gpos_mark2mark="position", - gpos_context="position", - gpos_contextchain="position", - gsub_single="substitution", - gsub_multiple="substitution", - gsub_alternate="substitution", - gsub_ligature="substitution", - gsub_context="substitution", - gsub_contextchain="substitution", - gsub_reversecontextchain="substitution", - gsub_reversesub="substitution", -} -function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts) - if featuretype=="position" then - local default=scripts.dflt - if default then - if autoscript=="position" or autoscript==true then - return default - else - report_otf("script feature %s not applied, enable default positioning") - end - else - end - elseif featuretype=="substitution" then - local default=scripts.dflt - if default then - if autoscript=="substitution" or autoscript==true then - return default - end - end - end -end -function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages) - if featuretype=="position" then - local default=languages.dflt - if default then - if autolanguage=="position" or autolanguage==true then - return default - else - report_otf("language feature %s not applied, enable default positioning") - end - else - end - elseif featuretype=="substitution" then - local default=languages.dflt - if default then - if autolanguage=="substitution" or autolanguage==true then - return default - end - end - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-oti”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otr” 2bd0085b78027f261218d63034f43474] --- - -if not modules then modules={} end modules ['font-otr']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local next,type,unpack=next,type,unpack -local byte,lower,char,strip,gsub=string.byte,string.lower,string.char,string.strip,string.gsub -local bittest=bit32.btest -local concat,remove,unpack,fastcopy=table.concat,table.remov,table.unpack,table.fastcopy -local floor,abs,sqrt,round=math.floor,math.abs,math.sqrt,math.round -local P,R,S,C,Cs,Cc,Ct,Carg,Cmt=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Cc,lpeg.Ct,lpeg.Carg,lpeg.Cmt -local lpegmatch=lpeg.match -local setmetatableindex=table.setmetatableindex -local formatters=string.formatters -local sortedkeys=table.sortedkeys -local sortedhash=table.sortedhash -local stripstring=string.strip -local utf16_to_utf8_be=utf.utf16_to_utf8_be -local report=logs.reporter("otf reader") -local trace_cmap=false -fonts=fonts or {} -local handlers=fonts.handlers or {} -fonts.handlers=handlers -local otf=handlers.otf or {} -handlers.otf=otf -local readers=otf.readers or {} -otf.readers=readers -local streamreader=utilities.files -local streamwriter=utilities.files -readers.streamreader=streamreader -readers.streamwriter=streamwriter -local openfile=streamreader.open -local closefile=streamreader.close -local setposition=streamreader.setposition -local skipshort=streamreader.skipshort -local readbytes=streamreader.readbytes -local readstring=streamreader.readstring -local readbyte=streamreader.readcardinal1 -local readushort=streamreader.readcardinal2 -local readuint=streamreader.readcardinal3 -local readulong=streamreader.readcardinal4 -local readshort=streamreader.readinteger2 -local readlong=streamreader.readinteger4 -local readfixed=streamreader.readfixed4 -local readfword=readshort -local readufword=readushort -local readoffset=readushort -local read2dot14=streamreader.read2dot14 -function streamreader.readtag(f) - return lower(strip(readstring(f,4))) -end -local function readlongdatetime(f) - local a,b,c,d,e,f,g,h=readbytes(f,8) - return 0x100000000*d+0x1000000*e+0x10000*f+0x100*g+h -end -local tableversion=0.004 -readers.tableversion=tableversion -local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000 -local reportedskipped={} -local function reportskippedtable(tag) - if not reportedskipped[tag] then - report("loading of table %a skipped (reported once only)",tag) - reportedskipped[tag]=true - end -end -local reservednames={ [0]="copyright", - "family", - "subfamily", - "uniqueid", - "fullname", - "version", - "postscriptname", - "trademark", - "manufacturer", - "designer", - "description", - "vendorurl", - "designerurl", - "license", - "licenseurl", - "reserved", - "typographicfamily", - "typographicsubfamily", - "compatiblefullname", - "sampletext", - "cidfindfontname", - "wwsfamily", - "wwssubfamily", - "lightbackgroundpalette", - "darkbackgroundpalette", -} -local platforms={ [0]="unicode", - "macintosh", - "iso", - "windows", - "custom", -} -local encodings={ - unicode={ [0]="unicode 1.0 semantics", - "unicode 1.1 semantics", - "iso/iec 10646", - "unicode 2.0 bmp", - "unicode 2.0 full", - "unicode variation sequences", - "unicode full repertoire", - }, - macintosh={ [0]="roman","japanese","chinese (traditional)","korean","arabic","hebrew","greek","russian", - "rsymbol","devanagari","gurmukhi","gujarati","oriya","bengali","tamil","telugu","kannada", - "malayalam","sinhalese","burmese","khmer","thai","laotian","georgian","armenian", - "chinese (simplified)","tibetan","mongolian","geez","slavic","vietnamese","sindhi", - "uninterpreted", - }, - iso={ [0]="7-bit ascii", - "iso 10646", - "iso 8859-1", - }, - windows={ [0]="symbol", - "unicode bmp", - "shiftjis", - "prc", - "big5", - "wansung", - "johab", - "reserved 7", - "reserved 8", - "reserved 9", - "unicode ucs-4", - }, - custom={ - } -} -local decoders={ - unicode={}, - macintosh={}, - iso={}, - windows={ - ["unicode semantics"]=utf16_to_utf8_be, - ["unicode bmp"]=utf16_to_utf8_be, - ["unicode full"]=utf16_to_utf8_be, - ["unicode 1.0 semantics"]=utf16_to_utf8_be, - ["unicode 1.1 semantics"]=utf16_to_utf8_be, - ["unicode 2.0 bmp"]=utf16_to_utf8_be, - ["unicode 2.0 full"]=utf16_to_utf8_be, - ["unicode variation sequences"]=utf16_to_utf8_be, - ["unicode full repertoire"]=utf16_to_utf8_be, - }, - custom={}, -} -local languages={ - unicode={ - [ 0]="english", - }, - macintosh={ - [ 0]="english", - }, - iso={}, - windows={ - [0x0409]="english - united states", - }, - custom={}, -} -local standardromanencoding={ [0]= - "notdef",".null","nonmarkingreturn","space","exclam","quotedbl", - "numbersign","dollar","percent","ampersand","quotesingle","parenleft", - "parenright","asterisk","plus","comma","hyphen","period","slash", - "zero","one","two","three","four","five","six","seven","eight", - "nine","colon","semicolon","less","equal","greater","question","at", - "A","B","C","D","E","F","G","H","I","J","K","L","M","N","O", - "P","Q","R","S","T","U","V","W","X","Y","Z","bracketleft", - "backslash","bracketright","asciicircum","underscore","grave","a","b", - "c","d","e","f","g","h","i","j","k","l","m","n","o","p","q", - "r","s","t","u","v","w","x","y","z","braceleft","bar", - "braceright","asciitilde","Adieresis","Aring","Ccedilla","Eacute", - "Ntilde","Odieresis","Udieresis","aacute","agrave","acircumflex", - "adieresis","atilde","aring","ccedilla","eacute","egrave", - "ecircumflex","edieresis","iacute","igrave","icircumflex","idieresis", - "ntilde","oacute","ograve","ocircumflex","odieresis","otilde","uacute", - "ugrave","ucircumflex","udieresis","dagger","degree","cent","sterling", - "section","bullet","paragraph","germandbls","registered","copyright", - "trademark","acute","dieresis","notequal","AE","Oslash","infinity", - "plusminus","lessequal","greaterequal","yen","mu","partialdiff", - "summation","product","pi","integral","ordfeminine","ordmasculine", - "Omega","ae","oslash","questiondown","exclamdown","logicalnot", - "radical","florin","approxequal","Delta","guillemotleft", - "guillemotright","ellipsis","nonbreakingspace","Agrave","Atilde", - "Otilde","OE","oe","endash","emdash","quotedblleft","quotedblright", - "quoteleft","quoteright","divide","lozenge","ydieresis","Ydieresis", - "fraction","currency","guilsinglleft","guilsinglright","fi","fl", - "daggerdbl","periodcentered","quotesinglbase","quotedblbase", - "perthousand","Acircumflex","Ecircumflex","Aacute","Edieresis","Egrave", - "Iacute","Icircumflex","Idieresis","Igrave","Oacute","Ocircumflex", - "apple","Ograve","Uacute","Ucircumflex","Ugrave","dotlessi", - "circumflex","tilde","macron","breve","dotaccent","ring","cedilla", - "hungarumlaut","ogonek","caron","Lslash","lslash","Scaron","scaron", - "Zcaron","zcaron","brokenbar","Eth","eth","Yacute","yacute","Thorn", - "thorn","minus","multiply","onesuperior","twosuperior","threesuperior", - "onehalf","onequarter","threequarters","franc","Gbreve","gbreve", - "Idotaccent","Scedilla","scedilla","Cacute","cacute","Ccaron","ccaron", - "dcroat", -} -local weights={ - [100]="thin", - [200]="extralight", - [300]="light", - [400]="normal", - [500]="medium", - [600]="semibold", - [700]="bold", - [800]="extrabold", - [900]="black", -} -local widths={ - [1]="ultracondensed", - [2]="extracondensed", - [3]="condensed", - [4]="semicondensed", - [5]="normal", - [6]="semiexpanded", - [7]="expanded", - [8]="extraexpanded", - [9]="ultraexpanded", -} -setmetatableindex(weights,function(t,k) - local r=floor((k+50)/100)*100 - local v=(r>900 and "black") or rawget(t,r) or "normal" - return v -end) -setmetatableindex(widths,function(t,k) - return "normal" -end) -local panoseweights={ - [ 0]="normal", - [ 1]="normal", - [ 2]="verylight", - [ 3]="light", - [ 4]="thin", - [ 5]="book", - [ 6]="medium", - [ 7]="demi", - [ 8]="bold", - [ 9]="heavy", - [10]="black", -} -local panosewidths={ - [ 0]="normal", - [ 1]="normal", - [ 2]="normal", - [ 3]="normal", - [ 4]="normal", - [ 5]="expanded", - [ 6]="condensed", - [ 7]="veryexpanded", - [ 8]="verycondensed", - [ 9]="monospaced", -} -local platformnames={ - postscriptname=true, - fullname=true, - family=true, - subfamily=true, - typographicfamily=true, - typographicsubfamily=true, - compatiblefullname=true, -} -function readers.name(f,fontdata,specification) - local datatable=fontdata.tables.name - if datatable then - setposition(f,datatable.offset) - local format=readushort(f) - local nofnames=readushort(f) - local offset=readushort(f) - local start=datatable.offset+offset - local namelists={ - unicode={}, - windows={}, - macintosh={}, - } - for i=1,nofnames do - local platform=platforms[readushort(f)] - if platform then - local namelist=namelists[platform] - if namelist then - local encoding=readushort(f) - local language=readushort(f) - local encodings=encodings[platform] - local languages=languages[platform] - if encodings and languages then - local encoding=encodings[encoding] - local language=languages[language] - if encoding and language then - local name=reservednames[readushort(f)] - if name then - namelist[#namelist+1]={ - platform=platform, - encoding=encoding, - language=language, - name=name, - length=readushort(f), - offset=start+readushort(f), - } - else - skipshort(f,2) - end - else - skipshort(f,3) - end - else - skipshort(f,3) - end - else - skipshort(f,5) - end - else - skipshort(f,5) - end - end - local names={} - local done={} - local function filter(platform,e,l) - local namelist=namelists[platform] - for i=1,#namelist do - local name=namelist[i] - local nametag=name.name - if not done[nametag] then - local encoding=name.encoding - local language=name.language - if (not e or encoding==e) and (not l or language==l) then - setposition(f,name.offset) - local content=readstring(f,name.length) - local decoder=decoders[platform] - if decoder then - decoder=decoder[encoding] - end - if decoder then - content=decoder(content) - end - names[nametag]={ - content=content, - platform=platform, - encoding=encoding, - language=language, - } - done[nametag]=true - end - end - end - end - filter("windows","unicode bmp","english - united states") - filter("macintosh","roman","english") - filter("windows") - filter("macintosh") - filter("unicode") - fontdata.names=names - if specification.platformnames then - local collected={} - for platform,namelist in next,namelists do - local filtered=false - for i=1,#namelist do - local entry=namelist[i] - local name=entry.name - if platformnames[name] then - setposition(f,entry.offset) - local content=readstring(f,entry.length) - local encoding=entry.encoding - local decoder=decoders[platform] - if decoder then - decoder=decoder[encoding] - end - if decoder then - content=decoder(content) - end - if filtered then - filtered[name]=content - else - filtered={ [name]=content } - end - end - end - if filtered then - collected[platform]=filtered - end - end - fontdata.platformnames=collected - end - else - fontdata.names={} - end -end -local validutf=lpeg.patterns.validutf8 -local function getname(fontdata,key) - local names=fontdata.names - if names then - local value=names[key] - if value then - local content=value.content - return lpegmatch(validutf,content) and content or nil - end - end -end -readers["os/2"]=function(f,fontdata) - local datatable=fontdata.tables["os/2"] - if datatable then - setposition(f,datatable.offset) - local version=readushort(f) - local windowsmetrics={ - version=version, - averagewidth=readshort(f), - weightclass=readushort(f), - widthclass=readushort(f), - fstype=readushort(f), - subscriptxsize=readshort(f), - subscriptysize=readshort(f), - subscriptxoffset=readshort(f), - subscriptyoffset=readshort(f), - superscriptxsize=readshort(f), - superscriptysize=readshort(f), - superscriptxoffset=readshort(f), - superscriptyoffset=readshort(f), - strikeoutsize=readshort(f), - strikeoutpos=readshort(f), - familyclass=readshort(f), - panose={ readbytes(f,10) }, - unicoderanges={ readulong(f),readulong(f),readulong(f),readulong(f) }, - vendor=readstring(f,4), - fsselection=readushort(f), - firstcharindex=readushort(f), - lastcharindex=readushort(f), - typoascender=readshort(f), - typodescender=readshort(f), - typolinegap=readshort(f), - winascent=readushort(f), - windescent=readushort(f), - } - if version>=1 then - windowsmetrics.codepageranges={ readulong(f),readulong(f) } - end - if version>=3 then - windowsmetrics.xheight=readshort(f) - windowsmetrics.capheight=readshort(f) - windowsmetrics.defaultchar=readushort(f) - windowsmetrics.breakchar=readushort(f) - end - windowsmetrics.weight=windowsmetrics.weightclass and weights[windowsmetrics.weightclass] - windowsmetrics.width=windowsmetrics.widthclass and widths [windowsmetrics.widthclass] - windowsmetrics.panoseweight=panoseweights[windowsmetrics.panose[3]] - windowsmetrics.panosewidth=panosewidths [windowsmetrics.panose[4]] - fontdata.windowsmetrics=windowsmetrics - else - fontdata.windowsmetrics={} - end -end -readers.head=function(f,fontdata) - local datatable=fontdata.tables.head - if datatable then - setposition(f,datatable.offset) - local fontheader={ - version=readfixed(f), - revision=readfixed(f), - checksum=readulong(f), - magic=readulong(f), - flags=readushort(f), - units=readushort(f), - created=readlongdatetime(f), - modified=readlongdatetime(f), - xmin=readshort(f), - ymin=readshort(f), - xmax=readshort(f), - ymax=readshort(f), - macstyle=readushort(f), - smallpixels=readushort(f), - directionhint=readshort(f), - indextolocformat=readshort(f), - glyphformat=readshort(f), - } - fontdata.fontheader=fontheader - else - fontdata.fontheader={} - end - fontdata.nofglyphs=0 -end -readers.hhea=function(f,fontdata,specification) - if specification.details then - local datatable=fontdata.tables.hhea - if datatable then - setposition(f,datatable.offset) - fontdata.horizontalheader={ - version=readfixed(f), - ascender=readfword(f), - descender=readfword(f), - linegap=readfword(f), - maxadvancewidth=readufword(f), - minleftsidebearing=readfword(f), - minrightsidebearing=readfword(f), - maxextent=readfword(f), - caretsloperise=readshort(f), - caretsloperun=readshort(f), - caretoffset=readshort(f), - reserved_1=readshort(f), - reserved_2=readshort(f), - reserved_3=readshort(f), - reserved_4=readshort(f), - metricdataformat=readshort(f), - nofmetrics=readushort(f), - } - else - fontdata.horizontalheader={ - nofmetrics=0, - } - end - end -end -readers.vhea=function(f,fontdata,specification) - if specification.details then - local datatable=fontdata.tables.vhea - if datatable then - setposition(f,datatable.offset) - local version=readfixed(f) - fontdata.verticalheader={ - version=version, - ascender=readfword(f), - descender=readfword(f), - linegap=readfword(f), - maxadvanceheight=readufword(f), - mintopsidebearing=readfword(f), - minbottomsidebearing=readfword(f), - maxextent=readfword(f), - caretsloperise=readshort(f), - caretsloperun=readshort(f), - caretoffset=readshort(f), - reserved_1=readshort(f), - reserved_2=readshort(f), - reserved_3=readshort(f), - reserved_4=readshort(f), - metricdataformat=readshort(f), - nofmetrics=readushort(f), - } - else - fontdata.verticalheader={ - nofmetrics=0, - } - end - end -end -readers.maxp=function(f,fontdata,specification) - if specification.details then - local datatable=fontdata.tables.maxp - if datatable then - setposition(f,datatable.offset) - local version=readfixed(f) - local nofglyphs=readushort(f) - fontdata.nofglyphs=nofglyphs - if version==0.5 then - fontdata.maximumprofile={ - version=version, - nofglyphs=nofglyphs, - } - return - elseif version==1.0 then - fontdata.maximumprofile={ - version=version, - nofglyphs=nofglyphs, - points=readushort(f), - contours=readushort(f), - compositepoints=readushort(f), - compositecontours=readushort(f), - zones=readushort(f), - twilightpoints=readushort(f), - storage=readushort(f), - functiondefs=readushort(f), - instructiondefs=readushort(f), - stackelements=readushort(f), - sizeofinstructions=readushort(f), - componentelements=readushort(f), - componentdepth=readushort(f), - } - return - end - end - fontdata.maximumprofile={ - version=version, - nofglyphs=0, - } - end -end -readers.hmtx=function(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.hmtx - if datatable then - setposition(f,datatable.offset) - local horizontalheader=fontdata.horizontalheader - local nofmetrics=horizontalheader.nofmetrics - local glyphs=fontdata.glyphs - local nofglyphs=fontdata.nofglyphs - local width=0 - local leftsidebearing=0 - for i=0,nofmetrics-1 do - local glyph=glyphs[i] - width=readshort(f) - leftsidebearing=readshort(f) - if width~=0 then - glyph.width=width - end - end - for i=nofmetrics,nofglyphs-1 do - local glyph=glyphs[i] - if width~=0 then - glyph.width=width - end - end - end - end -end -readers.vmtx=function(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.vmtx - if datatable then - setposition(f,datatable.offset) - local verticalheader=fontdata.verticalheader - local nofmetrics=verticalheader.nofmetrics - local glyphs=fontdata.glyphs - local nofglyphs=fontdata.nofglyphs - local vheight=0 - local vdefault=verticalheader.ascender+verticalheader.descender - local topsidebearing=0 - for i=0,nofmetrics-1 do - local glyph=glyphs[i] - vheight=readshort(f) - topsidebearing=readshort(f) - if vheight~=0 and vheight~=vdefault then - glyph.vheight=vheight - end - end - for i=nofmetrics,nofglyphs-1 do - local glyph=glyphs[i] - if vheight~=0 and vheight~=vdefault then - glyph.vheight=vheight - end - end - end - end -end -readers.vorg=function(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.vorg - if datatable then - report("todo: %s","vorg") - end - end -end -readers.post=function(f,fontdata,specification) - local datatable=fontdata.tables.post - if datatable then - setposition(f,datatable.offset) - local version=readfixed(f) - fontdata.postscript={ - version=version, - italicangle=round(1000*readfixed(f))/1000, - underlineposition=readfword(f), - underlinethickness=readfword(f), - monospaced=readulong(f), - minmemtype42=readulong(f), - maxmemtype42=readulong(f), - minmemtype1=readulong(f), - maxmemtype1=readulong(f), - } - if not specification.glyphs then - elseif version==1.0 then - for index=0,#standardromanencoding do - glyphs[index].name=standardromanencoding[index] - end - elseif version==2.0 then - local glyphs=fontdata.glyphs - local nofglyphs=readushort(f) - local indices={} - local names={} - local maxnames=0 - for i=0,nofglyphs-1 do - local nameindex=readushort(f) - if nameindex>=258 then - maxnames=maxnames+1 - nameindex=nameindex-257 - indices[nameindex]=i - else - glyphs[i].name=standardromanencoding[nameindex] - end - end - for i=1,maxnames do - local mapping=indices[i] - if not mapping then - report("quit post name fetching at %a of %a: %s",i,maxnames,"no index") - break - else - local length=readbyte(f) - if length>0 then - glyphs[mapping].name=readstring(f,length) - else - report("quit post name fetching at %a of %a: %s",i,maxnames,"overflow") - break - end - end - end - elseif version==2.5 then - elseif version==3.0 then - end - else - fontdata.postscript={} - end -end -readers.cff=function(f,fontdata,specification) - if specification.glyphs then - reportskippedtable("cff") - end -end -local formatreaders={} -local duplicatestoo=true -local sequence={ - { 3,1,4 }, - { 3,10,12 }, - { 0,3,4 }, - { 0,1,4 }, - { 0,0,6 }, - { 3,0,6 }, - { 0,5,14 }, - { 3,10,13 }, -} -local supported={} -for i=1,#sequence do - local sp,se,sf=unpack(sequence[i]) - local p=supported[sp] - if not p then - p={} - supported[sp]=p - end - local e=p[se] - if not e then - e={} - p[se]=e - end - e[sf]=true -end -formatreaders[4]=function(f,fontdata,offset) - setposition(f,offset+2) - local length=readushort(f) - local language=readushort(f) - local nofsegments=readushort(f)/2 - skipshort(f,3) - local endchars={} - local startchars={} - local deltas={} - local offsets={} - local indices={} - local mapping=fontdata.mapping - local glyphs=fontdata.glyphs - local duplicates=fontdata.duplicates - local nofdone=0 - for i=1,nofsegments do - endchars[i]=readushort(f) - end - local reserved=readushort(f) - for i=1,nofsegments do - startchars[i]=readushort(f) - end - for i=1,nofsegments do - deltas[i]=readshort(f) - end - for i=1,nofsegments do - offsets[i]=readushort(f) - end - local size=(length-2*2-5*2-4*nofsegments*2)/2 - for i=1,size-1 do - indices[i]=readushort(f) - end - for segment=1,nofsegments do - local startchar=startchars[segment] - local endchar=endchars[segment] - local offset=offsets[segment] - local delta=deltas[segment] - if startchar==0xFFFF and endchar==0xFFFF then - elseif startchar==0xFFFF and offset==0 then - elseif offset==0xFFFF then - elseif offset==0 then - if trace_cmap then - report("format 4.%i segment %2i from %C upto %C at index %H",1,segment,startchar,endchar,(startchar+delta)%65536) - end - for unicode=startchar,endchar do - local index=(unicode+delta)%65536 - if index and index>0 then - local glyph=glyphs[index] - if glyph then - local gu=glyph.unicode - if not gu then - glyph.unicode=unicode - nofdone=nofdone+1 - elseif gu~=unicode then - if duplicatestoo then - local d=duplicates[gu] - if d then - d[unicode]=true - else - duplicates[gu]={ [unicode]=true } - end - else - report("duplicate case 1: %C %04i %s",unicode,index,glyphs[index].name) - end - end - if not mapping[index] then - mapping[index]=unicode - end - end - end - end - else - local shift=(segment-nofsegments+offset/2)-startchar - if trace_cmap then - report("format 4.%i segment %2i from %C upto %C at index %H",0,segment,startchar,endchar,(startchar+delta)%65536) - end - for unicode=startchar,endchar do - local slot=shift+unicode - local index=indices[slot] - if index and index>0 then - index=(index+delta)%65536 - local glyph=glyphs[index] - if glyph then - local gu=glyph.unicode - if not gu then - glyph.unicode=unicode - nofdone=nofdone+1 - elseif gu~=unicode then - if duplicatestoo then - local d=duplicates[gu] - if d then - d[unicode]=true - else - duplicates[gu]={ [unicode]=true } - end - else - report("duplicate case 2: %C %04i %s",unicode,index,glyphs[index].name) - end - end - if not mapping[index] then - mapping[index]=unicode - end - end - end - end - end - end - return nofdone -end -formatreaders[6]=function(f,fontdata,offset) - setposition(f,offset) - local format=readushort(f) - local length=readushort(f) - local language=readushort(f) - local mapping=fontdata.mapping - local glyphs=fontdata.glyphs - local duplicates=fontdata.duplicates - local start=readushort(f) - local count=readushort(f) - local stop=start+count-1 - local nofdone=0 - if trace_cmap then - report("format 6 from %C to %C",2,start,stop) - end - for unicode=start,stop do - local index=readushort(f) - if index>0 then - local glyph=glyphs[index] - if glyph then - local gu=glyph.unicode - if not gu then - glyph.unicode=unicode - nofdone=nofdone+1 - elseif gu~=unicode then - end - if not mapping[index] then - mapping[index]=unicode - end - end - end - end - return nofdone -end -formatreaders[12]=function(f,fontdata,offset) - setposition(f,offset+2+2+4+4) - local mapping=fontdata.mapping - local glyphs=fontdata.glyphs - local duplicates=fontdata.duplicates - local nofgroups=readulong(f) - local nofdone=0 - for i=1,nofgroups do - local first=readulong(f) - local last=readulong(f) - local index=readulong(f) - if trace_cmap then - report("format 12 from %C to %C starts at index %i",first,last,index) - end - for unicode=first,last do - local glyph=glyphs[index] - if glyph then - local gu=glyph.unicode - if not gu then - glyph.unicode=unicode - nofdone=nofdone+1 - elseif gu~=unicode then - local d=duplicates[gu] - if d then - d[unicode]=true - else - duplicates[gu]={ [unicode]=true } - end - end - if not mapping[index] then - mapping[index]=unicode - end - end - index=index+1 - end - end - return nofdone -end -formatreaders[13]=function(f,fontdata,offset) - setposition(f,offset+2+2+4+4) - local mapping=fontdata.mapping - local glyphs=fontdata.glyphs - local duplicates=fontdata.duplicates - local nofgroups=readulong(f) - local nofdone=0 - for i=1,nofgroups do - local first=readulong(f) - local last=readulong(f) - local index=readulong(f) - if first<privateoffset then - if trace_cmap then - report("format 13 from %C to %C get index %i",first,last,index) - end - local glyph=glyphs[index] - local unicode=glyph.unicode - if not unicode then - unicode=first - glyph.unicode=unicode - first=first+1 - end - local list=duplicates[unicode] - mapping[index]=unicode - if not list then - list={} - duplicates[unicode]=list - end - if last>=privateoffset then - local limit=privateoffset-1 - report("format 13 from %C to %C pruned to %C",first,last,limit) - last=limit - end - for unicode=first,last do - list[unicode]=true - end - nofdone=nofdone+last-first+1 - else - report("format 13 from %C to %C ignored",first,last) - end - end - return nofdone -end -formatreaders[14]=function(f,fontdata,offset) - if offset and offset~=0 then - setposition(f,offset) - local format=readushort(f) - local length=readulong(f) - local nofrecords=readulong(f) - local records={} - local variants={} - local nofdone=0 - fontdata.variants=variants - for i=1,nofrecords do - records[i]={ - selector=readuint(f), - default=readulong(f), - other=readulong(f), - } - end - for i=1,nofrecords do - local record=records[i] - local selector=record.selector - local default=record.default - local other=record.other - local other=record.other - if other~=0 then - setposition(f,offset+other) - local mapping={} - local count=readulong(f) - for i=1,count do - mapping[readuint(f)]=readushort(f) - end - nofdone=nofdone+count - variants[selector]=mapping - end - end - return nofdone - else - return 0 - end -end -local function checkcmap(f,fontdata,records,platform,encoding,format) - local data=records[platform] - if not data then - return 0 - end - data=data[encoding] - if not data then - return 0 - end - data=data[format] - if not data then - return 0 - end - local reader=formatreaders[format] - if not reader then - return 0 - end - local p=platforms[platform] - local e=encodings[p] - local n=reader(f,fontdata,data) or 0 - report("cmap checked: platform %i (%s), encoding %i (%s), format %i, new unicodes %i",platform,p,encoding,e and e[encoding] or "?",format,n) - return n -end -function readers.cmap(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.cmap - if datatable then - local tableoffset=datatable.offset - setposition(f,tableoffset) - local version=readushort(f) - local noftables=readushort(f) - local records={} - local unicodecid=false - local variantcid=false - local variants={} - local duplicates=fontdata.duplicates or {} - fontdata.duplicates=duplicates - for i=1,noftables do - local platform=readushort(f) - local encoding=readushort(f) - local offset=readulong(f) - local record=records[platform] - if not record then - records[platform]={ - [encoding]={ - offsets={ offset }, - formats={}, - } - } - else - local subtables=record[encoding] - if not subtables then - record[encoding]={ - offsets={ offset }, - formats={}, - } - else - local offsets=subtables.offsets - offsets[#offsets+1]=offset - end - end - end - report("found cmaps:") - for platform,record in sortedhash(records) do - local p=platforms[platform] - local e=encodings[p] - local sp=supported[platform] - local ps=p or "?" - if sp then - report(" platform %i: %s",platform,ps) - else - report(" platform %i: %s (unsupported)",platform,ps) - end - for encoding,subtables in sortedhash(record) do - local se=sp and sp[encoding] - local es=e and e[encoding] or "?" - if se then - report(" encoding %i: %s",encoding,es) - else - report(" encoding %i: %s (unsupported)",encoding,es) - end - local offsets=subtables.offsets - local formats=subtables.formats - for i=1,#offsets do - local offset=tableoffset+offsets[i] - setposition(f,offset) - formats[readushort(f)]=offset - end - record[encoding]=formats - local list=sortedkeys(formats) - for i=1,#list do - if not (se and se[list[i]]) then - list[i]=list[i].." (unsupported)" - end - end - report(" formats: % t",list) - end - end - local ok=false - for i=1,#sequence do - local sp,se,sf=unpack(sequence[i]) - if checkcmap(f,fontdata,records,sp,se,sf)>0 then - ok=true - end - end - if not ok then - report("no useable unicode cmap found") - end - fontdata.cidmaps={ - version=version, - noftables=noftables, - records=records, - } - else - fontdata.cidmaps={} - end - end -end -function readers.loca(f,fontdata,specification) - if specification.glyphs then - reportskippedtable("loca") - end -end -function readers.glyf(f,fontdata,specification) - if specification.glyphs then - reportskippedtable("glyf") - end -end -function readers.colr(f,fontdata,specification) - if specification.glyphs then - reportskippedtable("colr") - end -end -function readers.cpal(f,fontdata,specification) - if specification.glyphs then - reportskippedtable("cpal") - end -end -function readers.svg(f,fontdata,specification) - if specification.glyphs then - reportskippedtable("svg") - end -end -function readers.kern(f,fontdata,specification) - if specification.kerns then - local datatable=fontdata.tables.kern - if datatable then - setposition(f,datatable.offset) - local version=readushort(f) - local noftables=readushort(f) - for i=1,noftables do - local version=readushort(f) - local length=readushort(f) - local coverage=readushort(f) - local format=bit32.rshift(coverage,8) - if format==0 then - local nofpairs=readushort(f) - local searchrange=readushort(f) - local entryselector=readushort(f) - local rangeshift=readushort(f) - local kerns={} - local glyphs=fontdata.glyphs - for i=1,nofpairs do - local left=readushort(f) - local right=readushort(f) - local kern=readfword(f) - local glyph=glyphs[left] - local kerns=glyph.kerns - if kerns then - kerns[right]=kern - else - glyph.kerns={ [right]=kern } - end - end - elseif format==2 then - report("todo: kern classes") - else - report("todo: kerns") - end - end - end - end -end -function readers.gdef(f,fontdata,specification) - if specification.details then - reportskippedtable("gdef") - end -end -function readers.gsub(f,fontdata,specification) - if specification.details then - reportskippedtable("gsub") - end -end -function readers.gpos(f,fontdata,specification) - if specification.details then - reportskippedtable("gpos") - end -end -function readers.math(f,fontdata,specification) - if specification.glyphs then - reportskippedtable("math") - end -end -local function getinfo(maindata,sub,platformnames,rawfamilynames,metricstoo) - local fontdata=sub and maindata.subfonts and maindata.subfonts[sub] or maindata - local names=fontdata.names - local info=nil - if names then - local metrics=fontdata.windowsmetrics or {} - local postscript=fontdata.postscript or {} - local fontheader=fontdata.fontheader or {} - local cffinfo=fontdata.cffinfo or {} - local filename=fontdata.filename - local weight=getname(fontdata,"weight") or (cffinfo and cffinfo.weight) or (metrics and metrics.weight) - local width=getname(fontdata,"width") or (cffinfo and cffinfo.width ) or (metrics and metrics.width ) - local fontname=getname(fontdata,"postscriptname") - local fullname=getname(fontdata,"fullname") - local family=getname(fontdata,"family") - local subfamily=getname(fontdata,"subfamily") - local familyname=getname(fontdata,"typographicfamily") - local subfamilyname=getname(fontdata,"typographicsubfamily") - local compatiblename=getname(fontdata,"compatiblefullname") - if rawfamilynames then - else - if not familyname then familyname=family end - if not subfamilyname then subfamilyname=subfamily end - end - info={ - subfontindex=fontdata.subfontindex or sub or 0, - version=getname(fontdata,"version"), - fontname=fontname, - fullname=fullname, - family=family, - subfamily=subfamily, - familyname=familyname, - subfamilyname=subfamilyname, - compatiblename=compatiblename, - weight=weight and lower(weight), - width=width and lower(width), - pfmweight=metrics.weightclass or 400, - pfmwidth=metrics.widthclass or 5, - panosewidth=metrics.panosewidth, - panoseweight=metrics.panoseweight, - italicangle=postscript.italicangle or 0, - units=fontheader.units or 0, - designsize=fontdata.designsize, - minsize=fontdata.minsize, - maxsize=fontdata.maxsize, - monospaced=(tonumber(postscript.monospaced or 0)>0) or metrics.panosewidth=="monospaced", - averagewidth=metrics.averagewidth, - xheight=metrics.xheight, - capheight=metrics.capheight, - ascender=metrics.typoascender, - descender=metrics.typodescender, - platformnames=platformnames and fontdata.platformnames or nil, - } - if metricstoo then - local keys={ - "version", - "ascender","descender","linegap", - "maxadvancewidth","maxadvanceheight","maxextent", - "minbottomsidebearing","mintopsidebearing", - } - local h=fontdata.horizontalheader or {} - local v=fontdata.verticalheader or {} - if h then - local th={} - local tv={} - for i=1,#keys do - local key=keys[i] - th[key]=h[key] or 0 - tv[key]=v[key] or 0 - end - info.horizontalmetrics=th - info.verticalmetrics=tv - end - end - elseif n then - info={ - filename=fontdata.filename, - comment="there is no info for subfont "..n, - } - else - info={ - filename=fontdata.filename, - comment="there is no info", - } - end - return info -end -local function loadtables(f,specification,offset) - if offset then - setposition(f,offset) - end - local tables={} - local basename=file.basename(specification.filename) - local filesize=specification.filesize - local filetime=specification.filetime - local fontdata={ - filename=basename, - filesize=filesize, - filetime=filetime, - version=readstring(f,4), - noftables=readushort(f), - searchrange=readushort(f), - entryselector=readushort(f), - rangeshift=readushort(f), - tables=tables, - } - for i=1,fontdata.noftables do - local tag=lower(stripstring(readstring(f,4))) - local checksum=readulong(f) - local offset=readulong(f) - local length=readulong(f) - if offset+length>filesize then - report("bad %a table in file %a",tag,basename) - end - tables[tag]={ - checksum=checksum, - offset=offset, - length=length, - } - end - if tables.cff then - fontdata.format="opentype" - else - fontdata.format="truetype" - end - return fontdata -end -local function prepareglyps(fontdata) - local glyphs=setmetatableindex(function(t,k) - local v={ - index=k, - } - t[k]=v - return v - end) - fontdata.glyphs=glyphs - fontdata.mapping={} -end -local function readdata(f,offset,specification) - local fontdata=loadtables(f,specification,offset) - if specification.glyphs then - prepareglyps(fontdata) - end - readers["name"](f,fontdata,specification) - local askedname=specification.askedname - if askedname then - local fullname=getname(fontdata,"fullname") or "" - local cleanname=gsub(askedname,"[^a-zA-Z0-9]","") - local foundname=gsub(fullname,"[^a-zA-Z0-9]","") - if lower(cleanname)~=lower(foundname) then - return - end - end - readers["os/2"](f,fontdata,specification) - readers["head"](f,fontdata,specification) - readers["maxp"](f,fontdata,specification) - readers["hhea"](f,fontdata,specification) - readers["vhea"](f,fontdata,specification) - readers["hmtx"](f,fontdata,specification) - readers["vmtx"](f,fontdata,specification) - readers["vorg"](f,fontdata,specification) - readers["post"](f,fontdata,specification) - readers["cff" ](f,fontdata,specification) - readers["cmap"](f,fontdata,specification) - readers["loca"](f,fontdata,specification) - readers["glyf"](f,fontdata,specification) - readers["colr"](f,fontdata,specification) - readers["cpal"](f,fontdata,specification) - readers["svg" ](f,fontdata,specification) - readers["kern"](f,fontdata,specification) - readers["gdef"](f,fontdata,specification) - readers["gsub"](f,fontdata,specification) - readers["gpos"](f,fontdata,specification) - readers["math"](f,fontdata,specification) - fontdata.locations=nil - fontdata.tables=nil - fontdata.cidmaps=nil - fontdata.dictionaries=nil - return fontdata -end -local function loadfontdata(specification) - local filename=specification.filename - local fileattr=lfs.attributes(filename) - local filesize=fileattr and fileattr.size or 0 - local filetime=fileattr and fileattr.modification or 0 - local f=openfile(filename,true) - if not f then - report("unable to open %a",filename) - elseif filesize==0 then - report("empty file %a",filename) - closefile(f) - else - specification.filesize=filesize - specification.filetime=filetime - local version=readstring(f,4) - local fontdata=nil - if version=="OTTO" or version=="true" or version=="\0\1\0\0" then - fontdata=readdata(f,0,specification) - elseif version=="ttcf" then - local subfont=tonumber(specification.subfont) - local offsets={} - local ttcversion=readulong(f) - local nofsubfonts=readulong(f) - for i=1,nofsubfonts do - offsets[i]=readulong(f) - end - if subfont then - if subfont>=1 and subfont<=nofsubfonts then - fontdata=readdata(f,offsets[subfont],specification) - else - report("no subfont %a in file %a",subfont,filename) - end - else - subfont=specification.subfont - if type(subfont)=="string" and subfont~="" then - specification.askedname=subfont - for i=1,nofsubfonts do - fontdata=readdata(f,offsets[i],specification) - if fontdata then - fontdata.subfontindex=i - report("subfont named %a has index %a",subfont,i) - break - end - end - if not fontdata then - report("no subfont named %a",subfont) - end - else - local subfonts={} - fontdata={ - filename=filename, - filesize=filesize, - filetime=filetime, - version=version, - subfonts=subfonts, - ttcversion=ttcversion, - nofsubfonts=nofsubfonts, - } - for i=1,nofsubfonts do - subfonts[i]=readdata(f,offsets[i],specification) - end - end - end - else - report("unknown version %a in file %a",version,filename) - end - closefile(f) - return fontdata or {} - end -end -local function loadfont(specification,n) - if type(specification)=="string" then - specification={ - filename=specification, - info=true, - details=true, - glyphs=true, - shapes=true, - kerns=true, - globalkerns=true, - lookups=true, - subfont=n or true, - tounicode=false, - } - end - if specification.shapes or specification.lookups or specification.kerns then - specification.glyphs=true - end - if specification.glyphs then - specification.details=true - end - if specification.details then - specification.info=true - end - if specification.platformnames then - specification.platformnames=true - end - local function message(str) - report("fatal error in file %a: %s\n%s",specification.filename,str,debug.traceback()) - end - local ok,result=xpcall(loadfontdata,message,specification) - if ok then - return result - end -end -function readers.loadshapes(filename,n) - local fontdata=loadfont { - filename=filename, - shapes=true, - subfont=n, - } - if fontdata then - for k,v in next,fontdata.glyphs do - v.class=nil - v.index=nil - v.math=nil - end - end - return fontdata and { - filename=filename, - format=fontdata.format, - glyphs=fontdata.glyphs, - units=fontdata.fontheader.units, - } or { - filename=filename, - format="unknown", - glyphs={}, - units=0, - } -end -function readers.loadfont(filename,n) - local fontdata=loadfont { - filename=filename, - glyphs=true, - shapes=false, - lookups=true, - subfont=n, - } - if fontdata then - return { - tableversion=tableversion, - creator="context mkiv", - size=fontdata.filesize, - time=fontdata.filetime, - glyphs=fontdata.glyphs, - descriptions=fontdata.descriptions, - format=fontdata.format, - goodies={}, - metadata=getinfo(fontdata,n,false,false,true), - properties={ - hasitalics=fontdata.hasitalics or false, - maxcolorclass=fontdata.maxcolorclass, - hascolor=fontdata.hascolor or false, - }, - resources={ - filename=filename, - private=privateoffset, - duplicates=fontdata.duplicates or {}, - features=fontdata.features or {}, - sublookups=fontdata.sublookups or {}, - marks=fontdata.marks or {}, - markclasses=fontdata.markclasses or {}, - marksets=fontdata.marksets or {}, - sequences=fontdata.sequences or {}, - variants=fontdata.variants, - version=getname(fontdata,"version"), - cidinfo=fontdata.cidinfo, - mathconstants=fontdata.mathconstants, - colorpalettes=fontdata.colorpalettes, - svgshapes=fontdata.svgshapes, - }, - } - end -end -function readers.getinfo(filename,specification) - local subfont=nil - local platformnames=false - local rawfamilynames=false - if type(specification)=="table" then - subfont=tonumber(specification.subfont) - platformnames=specification.platformnames - rawfamilynames=specification.rawfamilynames - else - subfont=tonumber(specification) - end - local fontdata=loadfont { - filename=filename, - details=true, - platformnames=platformnames, - } - if fontdata then - local subfonts=fontdata.subfonts - if not subfonts then - return getinfo(fontdata,nil,platformnames,rawfamilynames) - elseif not subfont then - local info={} - for i=1,#subfonts do - info[i]=getinfo(fontdata,i,platformnames,rawfamilynames) - end - return info - elseif subfont>=1 and subfont<=#subfonts then - return getinfo(fontdata,subfont,platformnames,rawfamilynames) - else - return { - filename=filename, - comment="there is no subfont "..subfont.." in this file" - } - end - else - return { - filename=filename, - comment="the file cannot be opened for reading", - } - end -end -function readers.rehash(fontdata,hashmethod) - report("the %a helper is not yet implemented","rehash") -end -function readers.checkhash(fontdata) - report("the %a helper is not yet implemented","checkhash") -end -function readers.pack(fontdata,hashmethod) - report("the %a helper is not yet implemented","pack") -end -function readers.unpack(fontdata) - report("the %a helper is not yet implemented","unpack") -end -function readers.expand(fontdata) - report("the %a helper is not yet implemented","unpack") -end -function readers.compact(fontdata) - report("the %a helper is not yet implemented","compact") -end -local extenders={} -function readers.registerextender(extender) - extenders[#extenders+1]=extender -end -function readers.extend(fontdata) - for i=1,#extenders do - local extender=extenders[i] - local name=extender.name or "unknown" - local action=extender.action - if action then - action(fontdata) - end - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otr”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-cff” f3fc74e8629f7a2825c34a34550c790d] --- - -if not modules then modules={} end modules ['font-cff']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local next,type,tonumber=next,type,tonumber -local byte=string.byte -local concat,remove=table.concat,table.remove -local floor,abs,round,ceil=math.floor,math.abs,math.round,math.ceil -local P,C,R,S,C,Cs,Ct=lpeg.P,lpeg.C,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Ct -local lpegmatch=lpeg.match -local formatters=string.formatters -local readers=fonts.handlers.otf.readers -local streamreader=readers.streamreader -local readbytes=streamreader.readbytes -local readstring=streamreader.readstring -local readbyte=streamreader.readcardinal1 -local readushort=streamreader.readcardinal2 -local readuint=streamreader.readcardinal3 -local readulong=streamreader.readcardinal4 -local setposition=streamreader.setposition -local getposition=streamreader.getposition -local setmetatableindex=table.setmetatableindex -local trace_charstrings=false trackers.register("fonts.cff.charstrings",function(v) trace_charstrings=v end) -local report=logs.reporter("otf reader","cff") -local parsedictionaries -local parsecharstring -local parsecharstrings -local resetcharstrings -local parseprivates -local defaultstrings={ [0]= - ".notdef","space","exclam","quotedbl","numbersign","dollar","percent", - "ampersand","quoteright","parenleft","parenright","asterisk","plus", - "comma","hyphen","period","slash","zero","one","two","three","four", - "five","six","seven","eight","nine","colon","semicolon","less", - "equal","greater","question","at","A","B","C","D","E","F","G","H", - "I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W", - "X","Y","Z","bracketleft","backslash","bracketright","asciicircum", - "underscore","quoteleft","a","b","c","d","e","f","g","h","i","j", - "k","l","m","n","o","p","q","r","s","t","u","v","w","x","y", - "z","braceleft","bar","braceright","asciitilde","exclamdown","cent", - "sterling","fraction","yen","florin","section","currency", - "quotesingle","quotedblleft","guillemotleft","guilsinglleft", - "guilsinglright","fi","fl","endash","dagger","daggerdbl", - "periodcentered","paragraph","bullet","quotesinglbase","quotedblbase", - "quotedblright","guillemotright","ellipsis","perthousand","questiondown", - "grave","acute","circumflex","tilde","macron","breve","dotaccent", - "dieresis","ring","cedilla","hungarumlaut","ogonek","caron","emdash", - "AE","ordfeminine","Lslash","Oslash","OE","ordmasculine","ae", - "dotlessi","lslash","oslash","oe","germandbls","onesuperior", - "logicalnot","mu","trademark","Eth","onehalf","plusminus","Thorn", - "onequarter","divide","brokenbar","degree","thorn","threequarters", - "twosuperior","registered","minus","eth","multiply","threesuperior", - "copyright","Aacute","Acircumflex","Adieresis","Agrave","Aring", - "Atilde","Ccedilla","Eacute","Ecircumflex","Edieresis","Egrave", - "Iacute","Icircumflex","Idieresis","Igrave","Ntilde","Oacute", - "Ocircumflex","Odieresis","Ograve","Otilde","Scaron","Uacute", - "Ucircumflex","Udieresis","Ugrave","Yacute","Ydieresis","Zcaron", - "aacute","acircumflex","adieresis","agrave","aring","atilde", - "ccedilla","eacute","ecircumflex","edieresis","egrave","iacute", - "icircumflex","idieresis","igrave","ntilde","oacute","ocircumflex", - "odieresis","ograve","otilde","scaron","uacute","ucircumflex", - "udieresis","ugrave","yacute","ydieresis","zcaron","exclamsmall", - "Hungarumlautsmall","dollaroldstyle","dollarsuperior","ampersandsmall", - "Acutesmall","parenleftsuperior","parenrightsuperior","twodotenleader", - "onedotenleader","zerooldstyle","oneoldstyle","twooldstyle", - "threeoldstyle","fouroldstyle","fiveoldstyle","sixoldstyle", - "sevenoldstyle","eightoldstyle","nineoldstyle","commasuperior", - "threequartersemdash","periodsuperior","questionsmall","asuperior", - "bsuperior","centsuperior","dsuperior","esuperior","isuperior", - "lsuperior","msuperior","nsuperior","osuperior","rsuperior","ssuperior", - "tsuperior","ff","ffi","ffl","parenleftinferior","parenrightinferior", - "Circumflexsmall","hyphensuperior","Gravesmall","Asmall","Bsmall", - "Csmall","Dsmall","Esmall","Fsmall","Gsmall","Hsmall","Ismall", - "Jsmall","Ksmall","Lsmall","Msmall","Nsmall","Osmall","Psmall", - "Qsmall","Rsmall","Ssmall","Tsmall","Usmall","Vsmall","Wsmall", - "Xsmall","Ysmall","Zsmall","colonmonetary","onefitted","rupiah", - "Tildesmall","exclamdownsmall","centoldstyle","Lslashsmall", - "Scaronsmall","Zcaronsmall","Dieresissmall","Brevesmall","Caronsmall", - "Dotaccentsmall","Macronsmall","figuredash","hypheninferior", - "Ogoneksmall","Ringsmall","Cedillasmall","questiondownsmall","oneeighth", - "threeeighths","fiveeighths","seveneighths","onethird","twothirds", - "zerosuperior","foursuperior","fivesuperior","sixsuperior", - "sevensuperior","eightsuperior","ninesuperior","zeroinferior", - "oneinferior","twoinferior","threeinferior","fourinferior", - "fiveinferior","sixinferior","seveninferior","eightinferior", - "nineinferior","centinferior","dollarinferior","periodinferior", - "commainferior","Agravesmall","Aacutesmall","Acircumflexsmall", - "Atildesmall","Adieresissmall","Aringsmall","AEsmall","Ccedillasmall", - "Egravesmall","Eacutesmall","Ecircumflexsmall","Edieresissmall", - "Igravesmall","Iacutesmall","Icircumflexsmall","Idieresissmall", - "Ethsmall","Ntildesmall","Ogravesmall","Oacutesmall","Ocircumflexsmall", - "Otildesmall","Odieresissmall","OEsmall","Oslashsmall","Ugravesmall", - "Uacutesmall","Ucircumflexsmall","Udieresissmall","Yacutesmall", - "Thornsmall","Ydieresissmall","001.000","001.001","001.002","001.003", - "Black","Bold","Book","Light","Medium","Regular","Roman","Semibold", -} -local cffreaders={ - readbyte, - readushort, - readuint, - readulong, -} -local function readheader(f) - local offset=getposition(f) - local header={ - offset=offset, - major=readbyte(f), - minor=readbyte(f), - size=readbyte(f), - osize=readbyte(f), - } - setposition(f,offset+header.size) - return header -end -local function readlengths(f) - local count=readushort(f) - if count==0 then - return {} - end - local osize=readbyte(f) - local read=cffreaders[osize] - if not read then - report("bad offset size: %i",osize) - return {} - end - local lengths={} - local previous=read(f) - for i=1,count do - local offset=read(f) - lengths[i]=offset-previous - previous=offset - end - return lengths -end -local function readfontnames(f) - local names=readlengths(f) - for i=1,#names do - names[i]=readstring(f,names[i]) - end - return names -end -local function readtopdictionaries(f) - local dictionaries=readlengths(f) - for i=1,#dictionaries do - dictionaries[i]=readstring(f,dictionaries[i]) - end - return dictionaries -end -local function readstrings(f) - local lengths=readlengths(f) - local strings=setmetatableindex({},defaultstrings) - local index=#defaultstrings - for i=1,#lengths do - index=index+1 - strings[index]=readstring(f,lengths[i]) - end - return strings -end -do - local stack={} - local top=0 - local result={} - local strings={} - local p_single=P("\00")/function() - result.version=strings[stack[top]] or "unset" - top=0 - end+P("\01")/function() - result.notice=strings[stack[top]] or "unset" - top=0 - end+P("\02")/function() - result.fullname=strings[stack[top]] or "unset" - top=0 - end+P("\03")/function() - result.familyname=strings[stack[top]] or "unset" - top=0 - end+P("\04")/function() - result.weight=strings[stack[top]] or "unset" - top=0 - end+P("\05")/function() - result.fontbbox={ unpack(stack,1,4) } - top=0 - end -+P("\13")/function() - result.uniqueid=stack[top] - top=0 - end+P("\14")/function() - result.xuid=concat(stack,"",1,top) - top=0 - end+P("\15")/function() - result.charset=stack[top] - top=0 - end+P("\16")/function() - result.encoding=stack[top] - top=0 - end+P("\17")/function() - result.charstrings=stack[top] - top=0 - end+P("\18")/function() - result.private={ - size=stack[top-1], - offset=stack[top], - } - top=0 - end+P("\19")/function() - result.subroutines=stack[top] - end+P("\20")/function() - result.defaultwidthx=stack[top] - end+P("\21")/function() - result.nominalwidthx=stack[top] - end - local p_double=P("\12")*( - P("\00")/function() - result.copyright=stack[top] - top=0 - end+P("\01")/function() - result.monospaced=stack[top]==1 and true or false - top=0 - end+P("\02")/function() - result.italicangle=stack[top] - top=0 - end+P("\03")/function() - result.underlineposition=stack[top] - top=0 - end+P("\04")/function() - result.underlinethickness=stack[top] - top=0 - end+P("\05")/function() - result.painttype=stack[top] - top=0 - end+P("\06")/function() - result.charstringtype=stack[top] - top=0 - end+P("\07")/function() - result.fontmatrix={ unpack(stack,1,6) } - top=0 - end+P("\08")/function() - result.strokewidth=stack[top] - top=0 - end+P("\20")/function() - result.syntheticbase=stack[top] - top=0 - end+P("\21")/function() - result.postscript=strings[stack[top]] or "unset" - top=0 - end+P("\22")/function() - result.basefontname=strings[stack[top]] or "unset" - top=0 - end+P("\21")/function() - result.basefontblend=stack[top] - top=0 - end+P("\30")/function() - result.cid.registry=strings[stack[top-2]] or "unset" - result.cid.ordering=strings[stack[top-1]] or "unset" - result.cid.supplement=stack[top] - top=0 - end+P("\31")/function() - result.cid.fontversion=stack[top] - top=0 - end+P("\32")/function() - result.cid.fontrevision=stack[top] - top=0 - end+P("\33")/function() - result.cid.fonttype=stack[top] - top=0 - end+P("\34")/function() - result.cid.count=stack[top] - top=0 - end+P("\35")/function() - result.cid.uidbase=stack[top] - top=0 - end+P("\36")/function() - result.cid.fdarray=stack[top] - top=0 - end+P("\37")/function() - result.cid.fdselect=stack[top] - top=0 - end+P("\38")/function() - result.cid.fontname=strings[stack[top]] or "unset" - top=0 - end - ) - local p_last=P("\x0F")/"0"+P("\x1F")/"1"+P("\x2F")/"2"+P("\x3F")/"3"+P("\x4F")/"4"+P("\x5F")/"5"+P("\x6F")/"6"+P("\x7F")/"7"+P("\x8F")/"8"+P("\x9F")/"9"+P("\xAF")/""+P("\xBF")/""+P("\xCF")/""+P("\xDF")/""+P("\xEF")/""+R("\xF0\xFF")/"" - local remap={ - ["\x00"]="00",["\x01"]="01",["\x02"]="02",["\x03"]="03",["\x04"]="04",["\x05"]="05",["\x06"]="06",["\x07"]="07",["\x08"]="08",["\x09"]="09",["\x0A"]="0.",["\x0B"]="0E",["\x0C"]="0E-",["\x0D"]="0",["\x0E"]="0-",["\x0F"]="0", - ["\x10"]="10",["\x11"]="11",["\x12"]="12",["\x13"]="13",["\x14"]="14",["\x15"]="15",["\x16"]="16",["\x17"]="17",["\x18"]="18",["\x19"]="19",["\x1A"]="0.",["\x1B"]="0E",["\x1C"]="0E-",["\x1D"]="0",["\x1E"]="0-",["\x1F"]="0", - ["\x20"]="20",["\x21"]="21",["\x22"]="22",["\x23"]="23",["\x24"]="24",["\x25"]="25",["\x26"]="26",["\x27"]="27",["\x28"]="28",["\x29"]="29",["\x2A"]="0.",["\x2B"]="0E",["\x2C"]="0E-",["\x2D"]="0",["\x2E"]="0-",["\x2F"]="0", - ["\x30"]="30",["\x31"]="31",["\x32"]="32",["\x33"]="33",["\x34"]="34",["\x35"]="35",["\x36"]="36",["\x37"]="37",["\x38"]="38",["\x39"]="39",["\x3A"]="0.",["\x3B"]="0E",["\x3C"]="0E-",["\x3D"]="0",["\x3E"]="0-",["\x3F"]="0", - ["\x40"]="40",["\x41"]="41",["\x42"]="42",["\x43"]="43",["\x44"]="44",["\x45"]="45",["\x46"]="46",["\x47"]="47",["\x48"]="48",["\x49"]="49",["\x4A"]="0.",["\x4B"]="0E",["\x4C"]="0E-",["\x4D"]="0",["\x4E"]="0-",["\x4F"]="0", - ["\x50"]="50",["\x51"]="51",["\x52"]="52",["\x53"]="53",["\x54"]="54",["\x55"]="55",["\x56"]="56",["\x57"]="57",["\x58"]="58",["\x59"]="59",["\x5A"]="0.",["\x5B"]="0E",["\x5C"]="0E-",["\x5D"]="0",["\x5E"]="0-",["\x5F"]="0", - ["\x60"]="60",["\x61"]="61",["\x62"]="62",["\x63"]="63",["\x64"]="64",["\x65"]="65",["\x66"]="66",["\x67"]="67",["\x68"]="68",["\x69"]="69",["\x6A"]="0.",["\x6B"]="0E",["\x6C"]="0E-",["\x6D"]="0",["\x6E"]="0-",["\x6F"]="0", - ["\x70"]="70",["\x71"]="71",["\x72"]="72",["\x73"]="73",["\x74"]="74",["\x75"]="75",["\x76"]="76",["\x77"]="77",["\x78"]="78",["\x79"]="79",["\x7A"]="0.",["\x7B"]="0E",["\x7C"]="0E-",["\x7D"]="0",["\x7E"]="0-",["\x7F"]="0", - ["\x80"]="80",["\x81"]="81",["\x82"]="82",["\x83"]="83",["\x84"]="84",["\x85"]="85",["\x86"]="86",["\x87"]="87",["\x88"]="88",["\x89"]="89",["\x8A"]="0.",["\x8B"]="0E",["\x8C"]="0E-",["\x8D"]="0",["\x8E"]="0-",["\x8F"]="0", - ["\x90"]="90",["\x91"]="91",["\x92"]="92",["\x93"]="93",["\x94"]="94",["\x95"]="95",["\x96"]="96",["\x97"]="97",["\x98"]="98",["\x99"]="99",["\x9A"]="0.",["\x9B"]="0E",["\x9C"]="0E-",["\x9D"]="0",["\x9E"]="0-",["\x9F"]="0", - ["\xA0"]=".0",["\xA1"]=".1",["\xA2"]=".2",["\xA3"]=".3",["\xA4"]=".4",["\xA5"]=".5",["\xA6"]=".6",["\xA7"]=".7",["\xA8"]=".8",["\xA9"]=".9",["\xAA"]="..",["\xAB"]=".E",["\xAC"]=".E-",["\xAD"]=".",["\xAE"]=".-",["\xAF"]=".", - ["\xB0"]="E0",["\xB1"]="E1",["\xB2"]="E2",["\xB3"]="E3",["\xB4"]="E4",["\xB5"]="E5",["\xB6"]="E6",["\xB7"]="E7",["\xB8"]="E8",["\xB9"]="E9",["\xBA"]="E.",["\xBB"]="EE",["\xBC"]="EE-",["\xBD"]="E",["\xBE"]="E-",["\xBF"]="E", - ["\xC0"]="E-0",["\xC1"]="E-1",["\xC2"]="E-2",["\xC3"]="E-3",["\xC4"]="E-4",["\xC5"]="E-5",["\xC6"]="E-6",["\xC7"]="E-7",["\xC8"]="E-8",["\xC9"]="E-9",["\xCA"]="E-.",["\xCB"]="E-E",["\xCC"]="E-E-",["\xCD"]="E-",["\xCE"]="E--",["\xCF"]="E-", - ["\xD0"]="-0",["\xD1"]="-1",["\xD2"]="-2",["\xD3"]="-3",["\xD4"]="-4",["\xD5"]="-5",["\xD6"]="-6",["\xD7"]="-7",["\xD8"]="-8",["\xD9"]="-9",["\xDA"]="-.",["\xDB"]="-E",["\xDC"]="-E-",["\xDD"]="-",["\xDE"]="--",["\xDF"]="-", - } - local p_nibbles=P("\30")*Cs(((1-p_last)/remap)^0+p_last)/function(n) - top=top+1 - stack[top]=tonumber(n) or 0 - end - local p_byte=C(R("\32\246"))/function(b0) - top=top+1 - stack[top]=byte(b0)-139 - end - local p_positive=C(R("\247\250"))*C(1)/function(b0,b1) - top=top+1 - stack[top]=(byte(b0)-247)*256+byte(b1)+108 - end - local p_negative=C(R("\251\254"))*C(1)/function(b0,b1) - top=top+1 - stack[top]=-(byte(b0)-251)*256-byte(b1)-108 - end - local p_short=P("\28")*C(1)*C(1)/function(b1,b2) - top=top+1 - local n=0x100*byte(b1)+byte(b2) - if n>=0x8000 then - stack[top]=n-0xFFFF-1 - else - stack[top]=n - end - end - local p_long=P("\29")*C(1)*C(1)*C(1)*C(1)/function(b1,b2,b3,b4) - top=top+1 - local n=0x1000000*byte(b1)+0x10000*byte(b2)+0x100*byte(b3)+byte(b4) - if n>=0x8000000 then - stack[top]=n-0xFFFFFFFF-1 - else - stack[top]=n - end - end - local p_unsupported=P(1)/function(detail) - top=0 - end - local p_dictionary=( - p_byte+p_positive+p_negative+p_short+p_long+p_nibbles+p_single+p_double+p_unsupported - )^1 - parsedictionaries=function(data,dictionaries) - stack={} - strings=data.strings - for i=1,#dictionaries do - top=0 - result={ - monospaced=false, - italicangle=0, - underlineposition=-100, - underlinethickness=50, - painttype=0, - charstringtype=2, - fontmatrix={ 0.001,0,0,0.001,0,0 }, - fontbbox={ 0,0,0,0 }, - strokewidth=0, - charset=0, - encoding=0, - cid={ - fontversion=0, - fontrevision=0, - fonttype=0, - count=8720, - } - } - lpegmatch(p_dictionary,dictionaries[i]) - dictionaries[i]=result - end - result={} - top=0 - stack={} - end - parseprivates=function(data,dictionaries) - stack={} - strings=data.strings - for i=1,#dictionaries do - local private=dictionaries[i].private - if private and private.data then - top=0 - result={ - forcebold=false, - languagegroup=0, - expansionfactor=0.06, - initialrandomseed=0, - subroutines=0, - defaultwidthx=0, - nominalwidthx=0, - cid={ - }, - } - lpegmatch(p_dictionary,private.data) - private.data=result - end - end - result={} - top=0 - stack={} - end - local x=0 - local y=0 - local width=false - local r=0 - local stems=0 - local globalbias=0 - local localbias=0 - local globals=false - local locals=false - local depth=1 - local xmin=0 - local xmax=0 - local ymin=0 - local ymax=0 - local checked=false - local keepcurve=false - local version=2 - local function showstate(where) - report("%w%-10s : [%s] n=%i",depth*2,where,concat(stack," ",1,top),top) - end - local function showvalue(where,value,showstack) - if showstack then - report("%w%-10s : %s : [%s] n=%i",depth*2,where,tostring(value),concat(stack," ",1,top),top) - else - report("%w%-10s : %s",depth*2,where,tostring(value)) - end - end - local function moveto(x,y) - if keepcurve then - r=r+1 - result[r]={ x,y,"m" } - end - if checked then - if x<xmin then xmin=x elseif x>xmax then xmax=x end - if y<ymin then ymin=y elseif y>ymax then ymax=y end - else - xmin=x - ymin=y - xmax=x - ymax=y - checked=true - end - end - local function lineto(x,y) - if keepcurve then - r=r+1 - result[r]={ x,y,"l" } - end - if checked then - if x<xmin then xmin=x elseif x>xmax then xmax=x end - if y<ymin then ymin=y elseif y>ymax then ymax=y end - else - xmin=x - ymin=y - xmax=x - ymax=y - checked=true - end - end - local function curveto(x1,y1,x2,y2,x3,y3) - if keepcurve then - r=r+1 - result[r]={ x1,y1,x2,y2,x3,y3,"c" } - end - if checked then - if x1<xmin then xmin=x1 elseif x1>xmax then xmax=x1 end - if y1<ymin then ymin=y1 elseif y1>ymax then ymax=y1 end - else - xmin=x1 - ymin=y1 - xmax=x1 - ymax=y1 - checked=true - end - if x2<xmin then xmin=x2 elseif x2>xmax then xmax=x2 end - if y2<ymin then ymin=y2 elseif y2>ymax then ymax=y2 end - if x3<xmin then xmin=x3 elseif x3>xmax then xmax=x3 end - if y3<ymin then ymin=y3 elseif y3>ymax then ymax=y3 end - end - local function rmoveto() - if top>2 then - if not width then - width=stack[1] - if trace_charstrings then - showvalue("width",width) - end - end - elseif not width then - width=true - end - if trace_charstrings then - showstate("rmoveto") - end - x=x+stack[top-1] - y=y+stack[top] - top=0 - moveto(x,y) - end - local function hmoveto() - if top>1 then - if not width then - width=stack[1] - if trace_charstrings then - showvalue("width",width) - end - end - elseif not width then - width=true - end - if trace_charstrings then - showstate("hmoveto") - end - x=x+stack[top] - top=0 - moveto(x,y) - end - local function vmoveto() - if top>1 then - if not width then - width=stack[1] - if trace_charstrings then - showvalue("width",width) - end - end - elseif not width then - width=true - end - if trace_charstrings then - showstate("vmoveto") - end - y=y+stack[top] - top=0 - moveto(x,y) - end - local function rlineto() - if trace_charstrings then - showstate("rlineto") - end - for i=1,top,2 do - x=x+stack[i] - y=y+stack[i+1] - lineto(x,y) - end - top=0 - end - local function xlineto(swap) - for i=1,top do - if swap then - x=x+stack[i] - swap=false - else - y=y+stack[i] - swap=true - end - lineto(x,y) - end - top=0 - end - local function hlineto() - if trace_charstrings then - showstate("hlineto") - end - xlineto(true) - end - local function vlineto() - if trace_charstrings then - showstate("vlineto") - end - xlineto(false) - end - local function rrcurveto() - if trace_charstrings then - showstate("rrcurveto") - end - for i=1,top,6 do - local ax=x+stack[i] - local ay=y+stack[i+1] - local bx=ax+stack[i+2] - local by=ay+stack[i+3] - x=bx+stack[i+4] - y=by+stack[i+5] - curveto(ax,ay,bx,by,x,y) - end - top=0 - end - local function hhcurveto() - if trace_charstrings then - showstate("hhcurveto") - end - local s=1 - if top%2~=0 then - y=y+stack[1] - s=2 - end - for i=s,top,4 do - local ax=x+stack[i] - local ay=y - local bx=ax+stack[i+1] - local by=ay+stack[i+2] - x=bx+stack[i+3] - y=by - curveto(ax,ay,bx,by,x,y) - end - top=0 - end - local function vvcurveto() - if trace_charstrings then - showstate("vvcurveto") - end - local s=1 - local d=0 - if top%2~=0 then - d=stack[1] - s=2 - end - for i=s,top,4 do - local ax=x+d - local ay=y+stack[i] - local bx=ax+stack[i+1] - local by=ay+stack[i+2] - x=bx - y=by+stack[i+3] - curveto(ax,ay,bx,by,x,y) - d=0 - end - top=0 - end - local function xxcurveto(swap) - local last=top%4~=0 and stack[top] - if last then - top=top-1 - end - local sw=swap - for i=1,top,4 do - local ax,ay,bx,by - if swap then - ax=x+stack[i] - ay=y - bx=ax+stack[i+1] - by=ay+stack[i+2] - y=by+stack[i+3] - if last and i+3==top then - x=bx+last - else - x=bx - end - swap=false - else - ax=x - ay=y+stack[i] - bx=ax+stack[i+1] - by=ay+stack[i+2] - x=bx+stack[i+3] - if last and i+3==top then - y=by+last - else - y=by - end - swap=true - end - curveto(ax,ay,bx,by,x,y) - end - top=0 - end - local function hvcurveto() - if trace_charstrings then - showstate("hvcurveto") - end - xxcurveto(true) - end - local function vhcurveto() - if trace_charstrings then - showstate("vhcurveto") - end - xxcurveto(false) - end - local function rcurveline() - if trace_charstrings then - showstate("rcurveline") - end - for i=1,top-2,6 do - local ax=x+stack[i] - local ay=y+stack[i+1] - local bx=ax+stack[i+2] - local by=ay+stack[i+3] - x=bx+stack[i+4] - y=by+stack[i+5] - curveto(ax,ay,bx,by,x,y) - end - x=x+stack[top-1] - y=y+stack[top] - lineto(x,y) - top=0 - end - local function rlinecurve() - if trace_charstrings then - showstate("rlinecurve") - end - if top>6 then - for i=1,top-6,2 do - x=x+stack[i] - y=y+stack[i+1] - lineto(x,y) - end - end - local ax=x+stack[top-5] - local ay=y+stack[top-4] - local bx=ax+stack[top-3] - local by=ay+stack[top-2] - x=bx+stack[top-1] - y=by+stack[top] - curveto(ax,ay,bx,by,x,y) - top=0 - end - local function flex() - if trace_charstrings then - showstate("flex") - end - local ax=x+stack[1] - local ay=y+stack[2] - local bx=ax+stack[3] - local by=ay+stack[4] - local cx=bx+stack[5] - local cy=by+stack[6] - curveto(ax,ay,bx,by,cx,cy) - local dx=cx+stack[7] - local dy=cy+stack[8] - local ex=dx+stack[9] - local ey=dy+stack[10] - x=ex+stack[11] - y=ey+stack[12] - curveto(dx,dy,ex,ey,x,y) - top=0 - end - local function hflex() - if trace_charstrings then - showstate("hflex") - end - local ax=x+stack[1] - local ay=y - local bx=ax+stack[2] - local by=ay+stack[3] - local cx=bx+stack[4] - local cy=by - curveto(ax,ay,bx,by,cx,cy) - local dx=cx+stack[5] - local dy=by - local ex=dx+stack[6] - local ey=y - x=ex+stack[7] - curveto(dx,dy,ex,ey,x,y) - top=0 - end - local function hflex1() - if trace_charstrings then - showstate("hflex1") - end - local ax=x+stack[1] - local ay=y+stack[2] - local bx=ax+stack[3] - local by=ay+stack[4] - local cx=bx+stack[5] - local cy=by - curveto(ax,ay,bx,by,cx,cy) - local dx=cx+stack[6] - local dy=by - local ex=dx+stack[7] - local ey=dy+stack[8] - x=ex+stack[9] - curveto(dx,dy,ex,ey,x,y) - top=0 - end - local function flex1() - if trace_charstrings then - showstate("flex1") - end - local ax=x+stack[1] - local ay=y+stack[2] - local bx=ax+stack[3] - local by=ay+stack[4] - local cx=bx+stack[5] - local cy=by+stack[6] - curveto(ax,ay,bx,by,cx,cy) - local dx=cx+stack[7] - local dy=cy+stack[8] - local ex=dx+stack[9] - local ey=dy+stack[10] - if abs(ex-x)>abs(ey-y) then - x=ex+stack[11] - else - y=ey+stack[11] - end - curveto(dx,dy,ex,ey,x,y) - top=0 - end - local function getstem() - if top==0 then - elseif top%2~=0 then - if width then - remove(stack,1) - else - width=remove(stack,1) - if trace_charstrings then - showvalue("width",width) - end - end - top=top-1 - end - if trace_charstrings then - showstate("stem") - end - stems=stems+top/2 - top=0 - end - local function getmask() - if top==0 then - elseif top%2~=0 then - if width then - remove(stack,1) - else - width=remove(stack,1) - if trace_charstrings then - showvalue("width",width) - end - end - top=top-1 - end - if trace_charstrings then - showstate(operator==19 and "hintmark" or "cntrmask") - end - stems=stems+top/2 - top=0 - if stems==0 then - elseif stems<=8 then - return 1 - else - return floor((stems+7)/8) - end - end - local function unsupported(t) - if trace_charstrings then - showstate("unsupported "..t) - end - top=0 - end - local function unsupportedsub(t) - if trace_charstrings then - showstate("unsupported sub "..t) - end - top=0 - end - local function getstem3() - if trace_charstrings then - showstate("stem3") - end - top=0 - end - local function divide() - if version==1 then - local d=stack[top] - top=top-1 - stack[top]=stack[top]/d - end - end - local function closepath() - if version==1 then - if trace_charstrings then - showstate("closepath") - end - end - top=0 - end - local function hsbw() - if version==1 then - if trace_charstrings then - showstate("dotsection") - end - width=stack[top] - end - top=0 - end - local function seac() - if version==1 then - if trace_charstrings then - showstate("seac") - end - end - top=0 - end - local function sbw() - if version==1 then - if trace_charstrings then - showstate("sbw") - end - width=stack[top-1] - end - top=0 - end - local function callothersubr() - if version==1 then - if trace_charstrings then - showstate("callothersubr (unsupported)") - end - end - top=0 - end - local function pop() - if version==1 then - if trace_charstrings then - showstate("pop (unsupported)") - end - top=top+1 - stack[top]=0 - else - top=0 - end - end - local function setcurrentpoint() - if version==1 then - if trace_charstrings then - showstate("pop (unsupported)") - end - x=x+stack[top-1] - y=y+stack[top] - end - top=0 - end - local actions={ [0]=unsupported, - getstem, - unsupported, - getstem, - vmoveto, - rlineto, - hlineto, - vlineto, - rrcurveto, - unsupported, - unsupported, - unsupported, - unsupported, - hsbw, - unsupported, - unsupported, - unsupported, - unsupported, - getstem, - getmask, - getmask, - rmoveto, - hmoveto, - getstem, - rcurveline, - rlinecurve, - vvcurveto, - hhcurveto, - unsupported, - unsupported, - vhcurveto, - hvcurveto, - } - local subactions={ - [000]=dotsection, - [001]=getstem3, - [002]=getstem3, - [006]=seac, - [007]=sbw, - [012]=divide, - [016]=callothersubr, - [017]=pop, - [033]=setcurrentpoint, - [034]=hflex, - [035]=flex, - [036]=hflex1, - [037]=flex1, - } - local p_bytes=Ct((P(1)/byte)^0) - local function call(scope,list,bias,process) - depth=depth+1 - if top==0 then - showstate(formatters["unknown %s call"](scope)) - top=0 - else - local index=stack[top]+bias - top=top-1 - if trace_charstrings then - showvalue(scope,index,true) - end - local tab=list[index] - if tab then - if type(tab)=="string" then - tab=lpegmatch(p_bytes,tab) - list[index]=tab - end - process(tab) - else - showstate(formatters["unknown %s call %i"](scope,index)) - top=0 - end - end - depth=depth-1 - end - local function process(tab) - local i=1 - local n=#tab - while i<=n do - local t=tab[i] - if t>=32 and t<=246 then - top=top+1 - stack[top]=t-139 - i=i+1 - elseif t>=247 and t<=250 then - top=top+1 - stack[top]=(t-247)*256+tab[i+1]+108 - i=i+2 - elseif t>=251 and t<=254 then - top=top+1 - stack[top]=-(t-251)*256-tab[i+1]-108 - i=i+2 - elseif t==28 then - top=top+1 - local n=0x100*tab[i+1]+tab[i+2] - if n>=0x8000 then - stack[top]=n-0xFFFF-1 - else - stack[top]=n - end - i=i+3 - elseif t==255 then - local n=0x100*tab[i+1]+tab[i+2] - top=top+1 - if n>=0x8000 then - stack[top]=n-0xFFFF-1+(0x100*tab[i+3]+tab[i+4])/0xFFFF - else - stack[top]=n+(0x100*tab[i+3]+tab[i+4])/0xFFFF - end - i=i+5 - elseif t==11 then - if trace_charstrings then - showstate("return") - end - return - elseif t==10 then - call("local",locals,localbias,process) - i=i+1 - elseif t==14 then - if width then - elseif top>0 then - width=stack[1] - if trace_charstrings then - showvalue("width",width) - end - else - width=true - end - if trace_charstrings then - showstate("endchar") - end - return - elseif t==29 then - call("global",globals,globalbias,process) - i=i+1 - elseif t==12 then - i=i+1 - local t=tab[i] - local a=subactions[t] - if a then - a(t) - else - if trace_charstrings then - showvalue("<subaction>",t) - end - top=0 - end - i=i+1 - else - local a=actions[t] - if a then - local s=a(t) - if s then - i=i+s - end - else - if trace_charstrings then - showvalue("<action>",t) - end - top=0 - end - i=i+1 - end - end - end - local function setbias(globals,locals) - if version==1 then - return - false, - false - else - local g,l=#globals,#locals - return - ((g<1240 and 107) or (g<33900 and 1131) or 32768)+1, - ((l<1240 and 107) or (l<33900 and 1131) or 32768)+1 - end - end - parsecharstrings=function(data,glyphs,doshapes,tversion) - local dictionary=data.dictionaries[1] - local charstrings=dictionary.charstrings - local charset=dictionary.charset - local private=dictionary.private or { data={} } - keepcurve=doshapes - version=tversion - stack={} - glyphs=glyphs or {} - strings=data.strings - globals=data.routines or {} - locals=dictionary.subroutines or {} - globalbias,localbias=setbias(globals,locals) - local nominalwidth=private.data.nominalwidthx or 0 - local defaultwidth=private.data.defaultwidthx or 0 - for i=1,#charstrings do - local tab=charstrings[i] - if type(tab)=="string" then - tab=lpegmatch(p_bytes,tab) - end - local index=i-1 - x=0 - y=0 - width=false - r=0 - top=0 - stems=0 - result={} - xmin=0 - xmax=0 - ymin=0 - ymax=0 - checked=false - if trace_charstrings then - report("glyph: %i",index) - report("data: % t",tab) - end - process(tab) - local boundingbox={ round(xmin),round(ymin),round(xmax),round(ymax) } - if width==true or width==false then - width=defaultwidth - else - width=nominalwidth+width - end - local glyph=glyphs[index] - if not glyph then - glyphs[index]={ - segments=doshapes~=false and result or nil, - boundingbox=boundingbox, - width=width, - name=charset[index], - } - else - glyph.segments=doshapes~=false and result or nil - glyph.boundingbox=boundingbox - if not glyph.width then - glyph.width=width - end - if charset and not glyph.name then - glyph.name=charset[index] - end - end - if trace_charstrings then - report("width: %s",tostring(width)) - report("boundingbox: % t",boundingbox) - end - charstrings[i]=nil - end - return glyphs - end - parsecharstring=function(data,dictionary,tab,glyphs,index,doshapes,tversion) - local private=dictionary.private - keepcurve=doshapes - version=tversion - strings=data.strings - locals=dictionary.subroutines or {} - globals=data.routines or {} - globalbias,localbias=setbias(globals,locals) - local nominalwidth=private and private.data.nominalwidthx or 0 - local defaultwidth=private and private.data.defaultwidthx or 0 - if type(tab)=="string" then - tab=lpegmatch(p_bytes,tab) - end - x=0 - y=0 - width=false - r=0 - top=0 - stems=0 - result={} - xmin=0 - xmax=0 - ymin=0 - ymax=0 - checked=false - if trace_charstrings then - report("glyph: %i",index) - report("data: % t",tab) - end - process(tab) - local boundingbox={ xmin,ymin,xmax,ymax } - if width==true or width==false then - width=defaultwidth - else - width=nominalwidth+width - end - index=index-1 - local glyph=glyphs[index] - if not glyph then - glyphs[index]={ - segments=doshapes~=false and result or nil, - boundingbox=boundingbox, - width=width, - name=charset[index], - } - else - glyph.segments=doshapes~=false and result or nil - glyph.boundingbox=boundingbox - if not glyph.width then - glyph.width=width - end - if charset and not glyph.name then - glyph.name=charset[index] - end - end - if trace_charstrings then - report("width: %s",tostring(width)) - report("boundingbox: % t",boundingbox) - end - end - resetcharstrings=function() - result={} - top=0 - stack={} - end -end -local function readglobals(f,data) - local routines=readlengths(f) - for i=1,#routines do - routines[i]=readstring(f,routines[i]) - end - data.routines=routines -end -local function readencodings(f,data) - data.encodings={} -end -local function readcharsets(f,data,dictionary) - local header=data.header - local strings=data.strings - local nofglyphs=data.nofglyphs - local charsetoffset=dictionary.charset - if charsetoffset~=0 then - setposition(f,header.offset+charsetoffset) - local format=readbyte(f) - local charset={ [0]=".notdef" } - dictionary.charset=charset - if format==0 then - for i=1,nofglyphs do - charset[i]=strings[readushort(f)] - end - elseif format==1 or format==2 then - local readcount=format==1 and readbyte or readushort - local i=1 - while i<=nofglyphs do - local sid=readushort(f) - local n=readcount(f) - for s=sid,sid+n do - charset[i]=strings[s] - i=i+1 - if i>nofglyphs then - break - end - end - end - else - report("cff parser: unsupported charset format %a",format) - end - end -end -local function readprivates(f,data) - local header=data.header - local dictionaries=data.dictionaries - local private=dictionaries[1].private - if private then - setposition(f,header.offset+private.offset) - private.data=readstring(f,private.size) - end -end -local function readlocals(f,data,dictionary) - local header=data.header - local private=dictionary.private - if private then - local subroutineoffset=private.data.subroutines - if subroutineoffset~=0 then - setposition(f,header.offset+private.offset+subroutineoffset) - local subroutines=readlengths(f) - for i=1,#subroutines do - subroutines[i]=readstring(f,subroutines[i]) - end - dictionary.subroutines=subroutines - private.data.subroutines=nil - else - dictionary.subroutines={} - end - else - dictionary.subroutines={} - end -end -local function readcharstrings(f,data) - local header=data.header - local dictionaries=data.dictionaries - local dictionary=dictionaries[1] - local type=dictionary.charstringtype - local offset=dictionary.charstrings - if type==2 then - setposition(f,header.offset+offset) - local charstrings=readlengths(f) - local nofglyphs=#charstrings - for i=1,nofglyphs do - charstrings[i]=readstring(f,charstrings[i]) - end - data.nofglyphs=nofglyphs - dictionary.charstrings=charstrings - else - report("unsupported charstr type %i",type) - data.nofglyphs=0 - dictionary.charstrings={} - end -end -local function readcidprivates(f,data) - local header=data.header - local dictionaries=data.dictionaries[1].cid.dictionaries - for i=1,#dictionaries do - local dictionary=dictionaries[i] - local private=dictionary.private - if private then - setposition(f,header.offset+private.offset) - private.data=readstring(f,private.size) - end - end - parseprivates(data,dictionaries) -end -local function readnoselect(f,data,glyphs,doshapes,version) - local dictionaries=data.dictionaries - local dictionary=dictionaries[1] - readglobals(f,data) - readcharstrings(f,data) - readencodings(f,data) - readcharsets(f,data,dictionary) - readprivates(f,data) - parseprivates(data,data.dictionaries) - readlocals(f,data,dictionary) - parsecharstrings(data,glyphs,doshapes,version) - resetcharstrings() -end -readers.parsecharstrings=parsecharstrings -local function readfdselect(f,data,glyphs,doshapes,version) - local header=data.header - local dictionaries=data.dictionaries - local dictionary=dictionaries[1] - local cid=dictionary.cid - local cidselect=cid and cid.fdselect - readglobals(f,data) - readcharstrings(f,data) - readencodings(f,data) - local charstrings=dictionary.charstrings - local fdindex={} - local nofglyphs=data.nofglyphs - local maxindex=-1 - setposition(f,header.offset+cidselect) - local format=readbyte(f) - if format==1 then - for i=0,nofglyphs do - local index=readbyte(i) - fdindex[i]=index - if index>maxindex then - maxindex=index - end - end - elseif format==3 then - local nofranges=readushort(f) - local first=readushort(f) - local index=readbyte(f) - while true do - local last=readushort(f) - if index>maxindex then - maxindex=index - end - for i=first,last do - fdindex[i]=index - end - if last>=nofglyphs then - break - else - first=last+1 - index=readbyte(f) - end - end - else - end - if maxindex>=0 then - local cidarray=cid.fdarray - setposition(f,header.offset+cidarray) - local dictionaries=readlengths(f) - for i=1,#dictionaries do - dictionaries[i]=readstring(f,dictionaries[i]) - end - parsedictionaries(data,dictionaries) - cid.dictionaries=dictionaries - readcidprivates(f,data) - for i=1,#dictionaries do - readlocals(f,data,dictionaries[i]) - end - for i=1,#charstrings do - parsecharstring(data,dictionaries[fdindex[i]+1],charstrings[i],glyphs,i,doshapes,version) - end - resetcharstrings() - end -end -function readers.cff(f,fontdata,specification) - if specification.details then - local datatable=fontdata.tables.cff - if datatable then - local offset=datatable.offset - local glyphs=fontdata.glyphs - if not f then - report("invalid filehandle") - return - end - if offset then - setposition(f,offset) - end - local header=readheader(f) - if header.major>1 then - report("version mismatch") - return - end - local names=readfontnames(f) - local dictionaries=readtopdictionaries(f) - local strings=readstrings(f) - local data={ - header=header, - names=names, - dictionaries=dictionaries, - strings=strings, - nofglyphs=fontdata.nofglyphs, - } - parsedictionaries(data,data.dictionaries) - local d=dictionaries[1] - local c=d.cid - fontdata.cffinfo={ - familynamename=d.familyname, - fullname=d.fullname, - boundingbox=d.boundingbox, - weight=d.weight, - italicangle=d.italicangle, - underlineposition=d.underlineposition, - underlinethickness=d.underlinethickness, - monospaced=d.monospaced, - } - fontdata.cidinfo=c and { - registry=c.registry, - ordering=c.ordering, - supplement=c.supplement, - } - if not specification.glyphs then - else - local cid=d.cid - if cid and cid.fdselect then - readfdselect(f,data,glyphs,specification.shapes or false) - else - readnoselect(f,data,glyphs,specification.shapes or false) - end - end - end - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-cff”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ttf” e0893de6d0f3f421ee4386fa90429db8] --- - -if not modules then modules={} end modules ['font-ttf']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local next,type,unpack=next,type,unpack -local bittest=bit32.btest -local sqrt=math.sqrt -local report=logs.reporter("otf reader","ttf") -local readers=fonts.handlers.otf.readers -local streamreader=readers.streamreader -local setposition=streamreader.setposition -local getposition=streamreader.getposition -local skipbytes=streamreader.skip -local readbyte=streamreader.readcardinal1 -local readushort=streamreader.readcardinal2 -local readulong=streamreader.readcardinal4 -local readchar=streamreader.readinteger1 -local readshort=streamreader.readinteger2 -local read2dot14=streamreader.read2dot14 -local function mergecomposites(glyphs,shapes) - local function merge(index,shape,components) - local contours={} - local nofcontours=0 - for i=1,#components do - local component=components[i] - local subindex=component.index - local subshape=shapes[subindex] - local subcontours=subshape.contours - if not subcontours then - local subcomponents=subshape.components - if subcomponents then - subcontours=merge(subindex,subshape,subcomponents) - end - end - if subcontours then - local matrix=component.matrix - local xscale=matrix[1] - local xrotate=matrix[2] - local yrotate=matrix[3] - local yscale=matrix[4] - local xoffset=matrix[5] - local yoffset=matrix[6] - for i=1,#subcontours do - local points=subcontours[i] - local result={} - for i=1,#points do - local p=points[i] - local x=p[1] - local y=p[2] - result[i]={ - xscale*x+xrotate*y+xoffset, - yscale*y+yrotate*x+yoffset, - p[3] - } - end - nofcontours=nofcontours+1 - contours[nofcontours]=result - end - else - report("missing contours composite %s, component %s of %s, glyph %s",index,i,#components,subindex) - end - end - shape.contours=contours - shape.components=nil - return contours - end - for index=1,#glyphs do - local shape=shapes[index] - local components=shape.components - if components then - merge(index,shape,components) - end - end -end -local function readnothing(f,nofcontours) - return { - type="nothing", - } -end -local function curveto(m_x,m_y,l_x,l_y,r_x,r_y) - return { - l_x+2/3*(m_x-l_x),l_y+2/3*(m_y-l_y), - r_x+2/3*(m_x-r_x),r_y+2/3*(m_y-r_y), - r_x,r_y,"c" - } -end -local function contours2outlines(glyphs,shapes) - local quadratic=true - for index=1,#glyphs do - local glyph=glyphs[index] - local shape=shapes[index] - local contours=shape.contours - if contours then - local nofcontours=#contours - local segments={} - local nofsegments=0 - glyph.segments=segments - if nofcontours>0 then - for i=1,nofcontours do - local contour=contours[i] - local nofcontour=#contour - if nofcontour>0 then - local first_pt=contour[1] - local first_on=first_pt[3] - if nofcontour==1 then - first_pt[3]="m" - nofsegments=nofsegments+1 - segments[nofsegments]=first_pt - else - local first_on=first_pt[3] - local last_pt=contour[nofcontour] - local last_on=last_pt[3] - local start=1 - local control_pt=false - if first_on then - start=2 - else - if last_on then - first_pt=last_pt - else - first_pt={ (first_pt[1]+last_pt[1])/2,(first_pt[2]+last_pt[2])/2,false } - end - control_pt=first_pt - end - nofsegments=nofsegments+1 - segments[nofsegments]={ first_pt[1],first_pt[2],"m" } - local previous_pt=first_pt - for i=start,nofcontour do - local current_pt=contour[i] - local current_on=current_pt[3] - local previous_on=previous_pt[3] - if previous_on then - if current_on then - nofsegments=nofsegments+1 - segments[nofsegments]={ current_pt[1],current_pt[2],"l" } - else - control_pt=current_pt - end - elseif current_on then - local ps=segments[nofsegments] - nofsegments=nofsegments+1 - if quadratic then - segments[nofsegments]={ control_pt[1],control_pt[2],current_pt[1],current_pt[2],"q" } - else - local p=segments[nofsegments-1] local n=#p - segments[nofsegments]=curveto(control_pt[1],control_pt[2],p[n-2],p[n-1],current_pt[1],current_pt[2]) - end - control_pt=false - else - nofsegments=nofsegments+1 - local halfway_x=(previous_pt[1]+current_pt[1])/2 - local halfway_y=(previous_pt[2]+current_pt[2])/2 - if quadratic then - segments[nofsegments]={ control_pt[1],control_pt[2],halfway_x,halfway_y,"q" } - else - local p=segments[nofsegments-1] local n=#p - segments[nofsegments]=curveto(control_pt[1],control_pt[2],p[n-2],p[n-1],halfway_x,halfway_y) - end - control_pt=current_pt - end - previous_pt=current_pt - end - if first_pt==last_pt then - else - nofsegments=nofsegments+1 - if not control_pt then - segments[nofsegments]={ first_pt[1],first_pt[2],"l" } - elseif quadratic then - segments[nofsegments]={ control_pt[1],control_pt[2],first_pt[1],first_pt[2],"q" } - else - local p=last_pt local n=#p - segments[nofsegments]=curveto(control_pt[1],control_pt[2],p[n-2],p[n-1],first_pt[1],first_pt[2]) - end - end - end - end - end - end - end - end -end -local function readglyph(f,nofcontours) - local points={} - local endpoints={} - local instructions={} - local flags={} - for i=1,nofcontours do - endpoints[i]=readshort(f)+1 - end - local nofpoints=endpoints[nofcontours] - local nofinstructions=readushort(f) - skipbytes(f,nofinstructions) - local i=1 - while i<=nofpoints do - local flag=readbyte(f) - flags[i]=flag - if bittest(flag,0x0008) then - for j=1,readbyte(f) do - i=i+1 - flags[i]=flag - end - end - i=i+1 - end - local x=0 - for i=1,nofpoints do - local flag=flags[i] - local short=bittest(flag,0x0002) - local same=bittest(flag,0x0010) - if short then - if same then - x=x+readbyte(f) - else - x=x-readbyte(f) - end - elseif same then - else - x=x+readshort(f) - end - points[i]={ x,y,bittest(flag,0x0001) } - end - local y=0 - for i=1,nofpoints do - local flag=flags[i] - local short=bittest(flag,0x0004) - local same=bittest(flag,0x0020) - if short then - if same then - y=y+readbyte(f) - else - y=y-readbyte(f) - end - elseif same then - else - y=y+readshort(f) - end - points[i][2]=y - end - local first=1 - for i=1,#endpoints do - local last=endpoints[i] - endpoints[i]={ unpack(points,first,last) } - first=last+1 - end - return { - type="glyph", - contours=endpoints, - } -end -local function readcomposite(f) - local components={} - local nofcomponents=0 - local instructions=false - while true do - local flags=readushort(f) - local index=readushort(f) - local f_xyarg=bittest(flags,0x0002) - local f_offset=bittest(flags,0x0800) - local xscale=1 - local xrotate=0 - local yrotate=0 - local yscale=1 - local xoffset=0 - local yoffset=0 - local base=false - local reference=false - if f_xyarg then - if bittest(flags,0x0001) then - xoffset=readshort(f) - yoffset=readshort(f) - else - xoffset=readchar(f) - yoffset=readchar(f) - end - else - if bittest(flags,0x0001) then - base=readshort(f) - reference=readshort(f) - else - base=readchar(f) - reference=readchar(f) - end - end - if bittest(flags,0x0008) then - xscale=read2dot14(f) - yscale=xscale - if f_xyarg and f_offset then - xoffset=xoffset*xscale - yoffset=yoffset*yscale - end - elseif bittest(flags,0x0040) then - xscale=read2dot14(f) - yscale=read2dot14(f) - if f_xyarg and f_offset then - xoffset=xoffset*xscale - yoffset=yoffset*yscale - end - elseif bittest(flags,0x0080) then - xscale=read2dot14(f) - xrotate=read2dot14(f) - yrotate=read2dot14(f) - yscale=read2dot14(f) - if f_xyarg and f_offset then - xoffset=xoffset*sqrt(xscale^2+xrotate^2) - yoffset=yoffset*sqrt(yrotate^2+yscale^2) - end - end - nofcomponents=nofcomponents+1 - components[nofcomponents]={ - index=index, - usemine=bittest(flags,0x0200), - round=bittest(flags,0x0006), - base=base, - reference=reference, - matrix={ xscale,xrotate,yrotate,yscale,xoffset,yoffset }, - } - if bittest(flags,0x0100) then - instructions=true - end - if not bittest(flags,0x0020) then - break - end - end - return { - type="composite", - components=components, - } -end -function readers.loca(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.loca - if datatable then - local offset=fontdata.tables.glyf.offset - local format=fontdata.fontheader.indextolocformat - local locations={} - setposition(f,datatable.offset) - if format==1 then - local nofglyphs=datatable.length/4-1 - -1 - for i=0,nofglyphs do - locations[i]=offset+readulong(f) - end - fontdata.nofglyphs=nofglyphs - else - local nofglyphs=datatable.length/2-1 - -1 - for i=0,nofglyphs do - locations[i]=offset+readushort(f)*2 - end - fontdata.nofglyphs=nofglyphs - end - fontdata.locations=locations - end - end -end -function readers.glyf(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.glyf - if datatable then - local locations=fontdata.locations - if locations then - local glyphs=fontdata.glyphs - local nofglyphs=fontdata.nofglyphs - local filesize=fontdata.filesize - local nothing={ 0,0,0,0 } - local shapes={} - local loadshapes=specification.shapes - for index=0,nofglyphs do - local location=locations[index] - if location>=filesize then - report("discarding %s glyphs due to glyph location bug",nofglyphs-index+1) - fontdata.nofglyphs=index-1 - fontdata.badfont=true - break - elseif location>0 then - setposition(f,location) - local nofcontours=readshort(f) - glyphs[index].boundingbox={ - readshort(f), - readshort(f), - readshort(f), - readshort(f), - } - if not loadshapes then - elseif nofcontours==0 then - shapes[index]=readnothing(f,nofcontours) - elseif nofcontours>0 then - shapes[index]=readglyph(f,nofcontours) - else - shapes[index]=readcomposite(f,nofcontours) - end - else - if loadshapes then - shapes[index]={} - end - glyphs[index].boundingbox=nothing - end - end - if loadshapes then - mergecomposites(glyphs,shapes) - contours2outlines(glyphs,shapes) - end - end - end - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ttf”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-dsp” 4a5266ada979d5c2d48867dc3ffaefea] --- - -if not modules then modules={} end modules ['font-dsp']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local next,type=next,type -local bittest=bit32.btest -local rshift=bit32.rshift -local concat=table.concat -local lower=string.lower -local copy=table.copy -local sub=string.sub -local strip=string.strip -local tohash=table.tohash -local reversed=table.reversed -local setmetatableindex=table.setmetatableindex -local formatters=string.formatters -local sortedkeys=table.sortedkeys -local sortedhash=table.sortedhash -local report=logs.reporter("otf reader") -local readers=fonts.handlers.otf.readers -local streamreader=readers.streamreader -local setposition=streamreader.setposition -local getposition=streamreader.getposition -local skipshort=streamreader.skipshort -local readushort=streamreader.readcardinal2 -local readulong=streamreader.readcardinal4 -local readshort=streamreader.readinteger2 -local readfword=readshort -local readstring=streamreader.readstring -local readtag=streamreader.readtag -local readbytes=streamreader.readbytes -local gsubhandlers={} -local gposhandlers={} -local lookupidoffset=-1 -local classes={ - "base", - "ligature", - "mark", - "component", -} -local gsubtypes={ - "single", - "multiple", - "alternate", - "ligature", - "context", - "chainedcontext", - "extension", - "reversechainedcontextsingle", -} -local gpostypes={ - "single", - "pair", - "cursive", - "marktobase", - "marktoligature", - "marktomark", - "context", - "chainedcontext", - "extension", -} -local chaindirections={ - context=0, - chainedcontext=1, - reversechainedcontextsingle=-1, -} -local lookupnames={ - gsub={ - single="gsub_single", - multiple="gsub_multiple", - alternate="gsub_alternate", - ligature="gsub_ligature", - context="gsub_context", - chainedcontext="gsub_contextchain", - reversechainedcontextsingle="gsub_reversecontextchain", - }, - gpos={ - single="gpos_single", - pair="gpos_pair", - cursive="gpos_cursive", - marktobase="gpos_mark2base", - marktoligature="gpos_mark2ligature", - marktomark="gpos_mark2mark", - context="gpos_context", - chainedcontext="gpos_contextchain", - } -} -local lookupflags=setmetatableindex(function(t,k) - local v={ - bittest(k,0x0008) and true or false, - bittest(k,0x0004) and true or false, - bittest(k,0x0002) and true or false, - bittest(k,0x0001) and true or false, - } - t[k]=v - return v -end) -local function readcoverage(f,offset,simple) - setposition(f,offset) - local coverageformat=readushort(f) - local coverage={} - if coverageformat==1 then - local nofcoverage=readushort(f) - if simple then - for i=1,nofcoverage do - coverage[i]=readushort(f) - end - else - for i=0,nofcoverage-1 do - coverage[readushort(f)]=i - end - end - elseif coverageformat==2 then - local nofranges=readushort(f) - local n=simple and 1 or 0 - for i=1,nofranges do - local firstindex=readushort(f) - local lastindex=readushort(f) - local coverindex=readushort(f) - if simple then - for i=firstindex,lastindex do - coverage[n]=i - n=n+1 - end - else - for i=firstindex,lastindex do - coverage[i]=n - n=n+1 - end - end - end - else - report("unknown coverage format %a ",coverageformat) - end - return coverage -end -local function readclassdef(f,offset,preset) - setposition(f,offset) - local classdefformat=readushort(f) - local classdef={} - if type(preset)=="number" then - for k=0,preset-1 do - classdef[k]=1 - end - end - if classdefformat==1 then - local index=readushort(f) - local nofclassdef=readushort(f) - for i=1,nofclassdef do - classdef[index]=readushort(f)+1 - index=index+1 - end - elseif classdefformat==2 then - local nofranges=readushort(f) - local n=0 - for i=1,nofranges do - local firstindex=readushort(f) - local lastindex=readushort(f) - local class=readushort(f)+1 - for i=firstindex,lastindex do - classdef[i]=class - end - end - else - report("unknown classdef format %a ",classdefformat) - end - if type(preset)=="table" then - for k in next,preset do - if not classdef[k] then - classdef[k]=1 - end - end - end - return classdef -end -local function classtocoverage(defs) - if defs then - local list={} - for index,class in next,defs do - local c=list[class] - if c then - c[#c+1]=index - else - list[class]={ index } - end - end - return list - end -end -local function readposition(f,format) - if format==0 then - return nil - end - local x=bittest(format,0x0001) and readshort(f) or 0 - local y=bittest(format,0x0002) and readshort(f) or 0 - local h=bittest(format,0x0004) and readshort(f) or 0 - local v=bittest(format,0x0008) and readshort(f) or 0 - if x==0 and y==0 and h==0 and v==0 then - return nil - else - return { x,y,h,v } - end -end -local function readanchor(f,offset) - if not offset or offset==0 then - return nil - end - setposition(f,offset) - local format=readshort(f) - if format==0 then - report("invalid anchor format %i @ position %i",format,offset) - return false - elseif format>3 then - report("unsupported anchor format %i @ position %i",format,offset) - return false - end - return { readshort(f),readshort(f) } -end -local function readfirst(f,offset) - if offset then - setposition(f,offset) - end - return { readushort(f) } -end -local function readarray(f,offset,first) - if offset then - setposition(f,offset) - end - local n=readushort(f) - if first then - local t={ first } - for i=2,n do - t[i]=readushort(f) - end - return t,n - elseif n>0 then - local t={} - for i=1,n do - t[i]=readushort(f) - end - return t,n - end -end -local function readcoveragearray(f,offset,t,simple) - if not t then - return nil - end - local n=#t - if n==0 then - return nil - end - for i=1,n do - t[i]=readcoverage(f,offset+t[i],simple) - end - return t -end -local function covered(subset,all) - local used,u - for i=1,#subset do - local s=subset[i] - if all[s] then - if used then - u=u+1 - used[u]=s - else - u=1 - used={ s } - end - end - end - return used -end -local function readlookuparray(f,noflookups,nofcurrent) - local lookups={} - if noflookups>0 then - local length=0 - for i=1,noflookups do - local index=readushort(f)+1 - if index>length then - length=index - end - lookups[index]=readushort(f)+1 - end - for index=1,length do - if not lookups[index] then - lookups[index]=false - end - end - end - return lookups -end -local function unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=readushort(f) - local subclasssets=readarray(f) - local rules={} - if subclasssets then - coverage=readcoverage(f,tableoffset+coverage,true) - for i=1,#subclasssets do - local offset=subclasssets[i] - if offset>0 then - local firstcoverage=coverage[i] - local rulesoffset=tableoffset+offset - local subclassrules=readarray(f,rulesoffset) - for rule=1,#subclassrules do - setposition(f,rulesoffset+subclassrules[rule]) - local nofcurrent=readushort(f) - local noflookups=readushort(f) - local current={ { firstcoverage } } - for i=2,nofcurrent do - current[i]={ readushort(f) } - end - local lookups=readlookuparray(f,noflookups,nofcurrent) - rules[#rules+1]={ - current=current, - lookups=lookups - } - end - end - end - else - report("empty subclassset in %a subtype %i","unchainedcontext",subtype) - end - return { - format="glyphs", - rules=rules, - } - elseif subtype==2 then - local coverage=readushort(f) - local currentclassdef=readushort(f) - local subclasssets=readarray(f) - local rules={} - if subclasssets then - coverage=readcoverage(f,tableoffset+coverage) - currentclassdef=readclassdef(f,tableoffset+currentclassdef,coverage) - local currentclasses=classtocoverage(currentclassdef,fontdata.glyphs) - for class=1,#subclasssets do - local offset=subclasssets[class] - if offset>0 then - local firstcoverage=currentclasses[class] - if firstcoverage then - firstcoverage=covered(firstcoverage,coverage) - if firstcoverage then - local rulesoffset=tableoffset+offset - local subclassrules=readarray(f,rulesoffset) - for rule=1,#subclassrules do - setposition(f,rulesoffset+subclassrules[rule]) - local nofcurrent=readushort(f) - local noflookups=readushort(f) - local current={ firstcoverage } - for i=2,nofcurrent do - current[i]=currentclasses[readushort(f)+1] - end - local lookups=readlookuparray(f,noflookups,nofcurrent) - rules[#rules+1]={ - current=current, - lookups=lookups - } - end - else - report("no coverage") - end - else - report("no coverage class") - end - end - end - else - report("empty subclassset in %a subtype %i","unchainedcontext",subtype) - end - return { - format="class", - rules=rules, - } - elseif subtype==3 then - local current=readarray(f) - local noflookups=readushort(f) - local lookups=readlookuparray(f,noflookups,#current) - current=readcoveragearray(f,tableoffset,current,true) - return { - format="coverage", - rules={ - { - current=current, - lookups=lookups, - } - } - } - else - report("unsupported subtype %a in %a %s",subtype,"unchainedcontext",what) - end -end -local function chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=readushort(f) - local subclasssets=readarray(f) - local rules={} - if subclasssets then - coverage=readcoverage(f,tableoffset+coverage,true) - for i=1,#subclasssets do - local offset=subclasssets[i] - if offset>0 then - local firstcoverage=coverage[i] - local rulesoffset=tableoffset+offset - local subclassrules=readarray(f,rulesoffset) - for rule=1,#subclassrules do - setposition(f,rulesoffset+subclassrules[rule]) - local nofbefore=readushort(f) - local before - if nofbefore>0 then - before={} - for i=1,nofbefore do - before[i]={ readushort(f) } - end - end - local nofcurrent=readushort(f) - local current={ { firstcoverage } } - for i=2,nofcurrent do - current[i]={ readushort(f) } - end - local nofafter=readushort(f) - local after - if nofafter>0 then - after={} - for i=1,nofafter do - after[i]={ readushort(f) } - end - end - local noflookups=readushort(f) - local lookups=readlookuparray(f,noflookups,nofcurrent) - rules[#rules+1]={ - before=before, - current=current, - after=after, - lookups=lookups, - } - end - end - end - else - report("empty subclassset in %a subtype %i","chainedcontext",subtype) - end - return { - format="glyphs", - rules=rules, - } - elseif subtype==2 then - local coverage=readushort(f) - local beforeclassdef=readushort(f) - local currentclassdef=readushort(f) - local afterclassdef=readushort(f) - local subclasssets=readarray(f) - local rules={} - if subclasssets then - local coverage=readcoverage(f,tableoffset+coverage) - local beforeclassdef=readclassdef(f,tableoffset+beforeclassdef,nofglyphs) - local currentclassdef=readclassdef(f,tableoffset+currentclassdef,coverage) - local afterclassdef=readclassdef(f,tableoffset+afterclassdef,nofglyphs) - local beforeclasses=classtocoverage(beforeclassdef,fontdata.glyphs) - local currentclasses=classtocoverage(currentclassdef,fontdata.glyphs) - local afterclasses=classtocoverage(afterclassdef,fontdata.glyphs) - for class=1,#subclasssets do - local offset=subclasssets[class] - if offset>0 then - local firstcoverage=currentclasses[class] - if firstcoverage then - firstcoverage=covered(firstcoverage,coverage) - if firstcoverage then - local rulesoffset=tableoffset+offset - local subclassrules=readarray(f,rulesoffset) - for rule=1,#subclassrules do - setposition(f,rulesoffset+subclassrules[rule]) - local nofbefore=readushort(f) - local before - if nofbefore>0 then - before={} - for i=1,nofbefore do - before[i]=beforeclasses[readushort(f)+1] - end - end - local nofcurrent=readushort(f) - local current={ firstcoverage } - for i=2,nofcurrent do - current[i]=currentclasses[readushort(f)+1] - end - local nofafter=readushort(f) - local after - if nofafter>0 then - after={} - for i=1,nofafter do - after[i]=afterclasses[readushort(f)+1] - end - end - local noflookups=readushort(f) - local lookups=readlookuparray(f,noflookups,nofcurrent) - rules[#rules+1]={ - before=before, - current=current, - after=after, - lookups=lookups, - } - end - else - report("no coverage") - end - else - report("class is not covered") - end - end - end - else - report("empty subclassset in %a subtype %i","chainedcontext",subtype) - end - return { - format="class", - rules=rules, - } - elseif subtype==3 then - local before=readarray(f) - local current=readarray(f) - local after=readarray(f) - local noflookups=readushort(f) - local lookups=readlookuparray(f,noflookups,#current) - before=readcoveragearray(f,tableoffset,before,true) - current=readcoveragearray(f,tableoffset,current,true) - after=readcoveragearray(f,tableoffset,after,true) - return { - format="coverage", - rules={ - { - before=before, - current=current, - after=after, - lookups=lookups, - } - } - } - else - report("unsupported subtype %a in %a %s",subtype,"chainedcontext",what) - end -end -local function extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,types,handlers,what) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local lookuptype=types[readushort(f)] - local faroffset=readulong(f) - local handler=handlers[lookuptype] - if handler then - return handler(f,fontdata,lookupid,tableoffset+faroffset,0,glyphs,nofglyphs),lookuptype - else - report("no handler for lookuptype %a subtype %a in %s %s",lookuptype,subtype,what,"extension") - end - else - report("unsupported subtype %a in %s %s",subtype,what,"extension") - end -end -function gsubhandlers.single(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=readushort(f) - local delta=readshort(f) - local coverage=readcoverage(f,tableoffset+coverage) - for index in next,coverage do - local newindex=index+delta - if index>nofglyphs or newindex>nofglyphs then - report("invalid index in %s format %i: %i -> %i (max %i)","single",subtype,index,newindex,nofglyphs) - coverage[index]=nil - else - coverage[index]=newindex - end - end - return { - coverage=coverage - } - elseif subtype==2 then - local coverage=readushort(f) - local nofreplacements=readushort(f) - local replacements={} - for i=1,nofreplacements do - replacements[i]=readushort(f) - end - local coverage=readcoverage(f,tableoffset+coverage) - for index,newindex in next,coverage do - newindex=newindex+1 - if index>nofglyphs or newindex>nofglyphs then - report("invalid index in %s format %i: %i -> %i (max %i)","single",subtype,index,newindex,nofglyphs) - coverage[index]=nil - else - coverage[index]=replacements[newindex] - end - end - return { - coverage=coverage - } - else - report("unsupported subtype %a in %a substitution",subtype,"single") - end -end -local function sethandler(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=readushort(f) - local nofsequence=readushort(f) - local sequences={} - for i=1,nofsequence do - sequences[i]=readushort(f) - end - for i=1,nofsequence do - setposition(f,tableoffset+sequences[i]) - local n=readushort(f) - local s={} - for i=1,n do - s[i]=readushort(f) - end - sequences[i]=s - end - local coverage=readcoverage(f,tableoffset+coverage) - for index,newindex in next,coverage do - newindex=newindex+1 - if index>nofglyphs or newindex>nofglyphs then - report("invalid index in %s format %i: %i -> %i (max %i)",what,subtype,index,newindex,nofglyphs) - coverage[index]=nil - else - coverage[index]=sequences[newindex] - end - end - return { - coverage=coverage - } - else - report("unsupported subtype %a in %a substitution",subtype,what) - end -end -function gsubhandlers.multiple(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return sethandler(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"multiple") -end -function gsubhandlers.alternate(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return sethandler(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"alternate") -end -function gsubhandlers.ligature(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=readushort(f) - local nofsets=readushort(f) - local ligatures={} - for i=1,nofsets do - ligatures[i]=readushort(f) - end - for i=1,nofsets do - local offset=lookupoffset+offset+ligatures[i] - setposition(f,offset) - local n=readushort(f) - local l={} - for i=1,n do - l[i]=offset+readushort(f) - end - ligatures[i]=l - end - local coverage=readcoverage(f,tableoffset+coverage) - for index,newindex in next,coverage do - local hash={} - local ligatures=ligatures[newindex+1] - for i=1,#ligatures do - local offset=ligatures[i] - setposition(f,offset) - local lig=readushort(f) - local cnt=readushort(f) - local hsh=hash - for i=2,cnt do - local c=readushort(f) - local h=hsh[c] - if not h then - h={} - hsh[c]=h - end - hsh=h - end - hsh.ligature=lig - end - coverage[index]=hash - end - return { - coverage=coverage - } - else - report("unsupported subtype %a in %a substitution",subtype,"ligature") - end -end -function gsubhandlers.context(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"substitution"),"context" -end -function gsubhandlers.chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"substitution"),"chainedcontext" -end -function gsubhandlers.extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,gsubtypes,gsubhandlers,"substitution") -end -function gsubhandlers.reversechainedcontextsingle(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local current=readfirst(f) - local before=readarray(f) - local after=readarray(f) - local replacements=readarray(f) - current=readcoveragearray(f,tableoffset,current,true) - before=readcoveragearray(f,tableoffset,before,true) - after=readcoveragearray(f,tableoffset,after,true) - return { - coverage={ - format="reversecoverage", - before=before, - current=current, - after=after, - replacements=replacements, - } - },"reversechainedcontextsingle" - else - report("unsupported subtype %a in %a substitution",subtype,"reversechainedcontextsingle") - end -end -local function readpairsets(f,tableoffset,sets,format1,format2) - local done={} - for i=1,#sets do - local offset=sets[i] - local reused=done[offset] - if not reused then - setposition(f,tableoffset+offset) - local n=readushort(f) - reused={} - for i=1,n do - reused[i]={ - readushort(f), - readposition(f,format1), - readposition(f,format2) - } - end - done[offset]=reused - end - sets[i]=reused - end - return sets -end -local function readpairclasssets(f,nofclasses1,nofclasses2,format1,format2) - local classlist1={} - for i=1,nofclasses1 do - local classlist2={} - classlist1[i]=classlist2 - for j=1,nofclasses2 do - local one=readposition(f,format1) - local two=readposition(f,format2) - if one or two then - classlist2[j]={ one,two } - else - classlist2[j]=false - end - end - end - return classlist1 -end -function gposhandlers.single(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=readushort(f) - local format=readushort(f) - local value=readposition(f,format) - local coverage=readcoverage(f,tableoffset+coverage) - for index,newindex in next,coverage do - coverage[index]=value - end - return { - format="pair", - coverage=coverage - } - elseif subtype==2 then - local coverage=readushort(f) - local format=readushort(f) - local values={} - local nofvalues=readushort(f) - for i=1,nofvalues do - values[i]=readposition(f,format) - end - local coverage=readcoverage(f,tableoffset+coverage) - for index,newindex in next,coverage do - coverage[index]=values[newindex+1] - end - return { - format="pair", - coverage=coverage - } - else - report("unsupported subtype %a in %a positioning",subtype,"single") - end -end -function gposhandlers.pair(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=readushort(f) - local format1=readushort(f) - local format2=readushort(f) - local sets=readarray(f) - sets=readpairsets(f,tableoffset,sets,format1,format2) - coverage=readcoverage(f,tableoffset+coverage) - for index,newindex in next,coverage do - local set=sets[newindex+1] - local hash={} - for i=1,#set do - local value=set[i] - if value then - local other=value[1] - local first=value[2] - local second=value[3] - if first or second then - hash[other]={ first,second } - else - hash[other]=nil - end - end - end - coverage[index]=hash - end - return { - format="pair", - coverage=coverage - } - elseif subtype==2 then - local coverage=readushort(f) - local format1=readushort(f) - local format2=readushort(f) - local classdef1=readushort(f) - local classdef2=readushort(f) - local nofclasses1=readushort(f) - local nofclasses2=readushort(f) - local classlist=readpairclasssets(f,nofclasses1,nofclasses2,format1,format2) - coverage=readcoverage(f,tableoffset+coverage) - classdef1=readclassdef(f,tableoffset+classdef1,coverage) - classdef2=readclassdef(f,tableoffset+classdef2,nofglyphs) - local usedcoverage={} - for g1,c1 in next,classdef1 do - if coverage[g1] then - local l1=classlist[c1] - if l1 then - local hash={} - for paired,class in next,classdef2 do - local offsets=l1[class] - if offsets then - local first=offsets[1] - local second=offsets[2] - if first or second then - hash[paired]={ first,second } - else - end - end - end - usedcoverage[g1]=hash - end - end - end - return { - format="pair", - coverage=usedcoverage - } - elseif subtype==3 then - report("yet unsupported subtype %a in %a positioning",subtype,"pair") - else - report("unsupported subtype %a in %a positioning",subtype,"pair") - end -end -function gposhandlers.cursive(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local coverage=tableoffset+readushort(f) - local nofrecords=readushort(f) - local records={} - for i=1,nofrecords do - local entry=readushort(f) - local exit=readushort(f) - records[i]={ - entry=entry~=0 and (tableoffset+entry) or false, - exit=exit~=0 and (tableoffset+exit ) or false, - } - end - coverage=readcoverage(f,coverage) - for i=1,nofrecords do - local r=records[i] - records[i]={ - 1, - readanchor(f,r.entry) or nil, - readanchor(f,r.exit ) or nil, - } - end - for index,newindex in next,coverage do - coverage[index]=records[newindex+1] - end - return { - coverage=coverage - } - else - report("unsupported subtype %a in %a positioning",subtype,"cursive") - end -end -local function handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,ligature) - local tableoffset=lookupoffset+offset - setposition(f,tableoffset) - local subtype=readushort(f) - if subtype==1 then - local markcoverage=tableoffset+readushort(f) - local basecoverage=tableoffset+readushort(f) - local nofclasses=readushort(f) - local markoffset=tableoffset+readushort(f) - local baseoffset=tableoffset+readushort(f) - local markcoverage=readcoverage(f,markcoverage) - local basecoverage=readcoverage(f,basecoverage,true) - setposition(f,markoffset) - local markclasses={} - local nofmarkclasses=readushort(f) - local lastanchor=fontdata.lastanchor or 0 - local usedanchors={} - for i=1,nofmarkclasses do - local class=readushort(f)+1 - local offset=readushort(f) - if offset==0 then - markclasses[i]=false - else - markclasses[i]={ class,markoffset+offset } - end - usedanchors[class]=true - end - for i=1,nofmarkclasses do - local mc=markclasses[i] - if mc then - mc[2]=readanchor(f,mc[2]) - end - end - setposition(f,baseoffset) - local nofbaserecords=readushort(f) - local baserecords={} - if ligature then - for i=1,nofbaserecords do - local offset=readushort(f) - if offset==0 then - baserecords[i]=false - else - baserecords[i]=baseoffset+offset - end - end - for i=1,nofbaserecords do - local recordoffset=baserecords[i] - if recordoffset then - setposition(f,recordoffset) - local nofcomponents=readushort(f) - local components={} - for i=1,nofcomponents do - local classes={} - for i=1,nofclasses do - local offset=readushort(f) - if offset~=0 then - classes[i]=recordoffset+offset - else - classes[i]=false - end - end - components[i]=classes - end - baserecords[i]=components - end - end - local baseclasses={} - for i=1,nofclasses do - baseclasses[i]={} - end - for i=1,nofbaserecords do - local components=baserecords[i] - if components then - local b=basecoverage[i] - for c=1,#components do - local classes=components[c] - if classes then - for i=1,nofclasses do - local anchor=readanchor(f,classes[i]) - local bclass=baseclasses[i] - local bentry=bclass[b] - if bentry then - bentry[c]=anchor - else - bclass[b]={ [c]=anchor } - end - end - end - end - end - end - for index,newindex in next,markcoverage do - markcoverage[index]=markclasses[newindex+1] or nil - end - return { - format="ligature", - baseclasses=baseclasses, - coverage=markcoverage, - } - else - for i=1,nofbaserecords do - local r={} - for j=1,nofclasses do - local offset=readushort(f) - if offset==0 then - r[j]=false - else - r[j]=baseoffset+offset - end - end - baserecords[i]=r - end - local baseclasses={} - for i=1,nofclasses do - baseclasses[i]={} - end - for i=1,nofbaserecords do - local r=baserecords[i] - local b=basecoverage[i] - for j=1,nofclasses do - baseclasses[j][b]=readanchor(f,r[j]) - end - end - for index,newindex in next,markcoverage do - markcoverage[index]=markclasses[newindex+1] or nil - end - return { - format="base", - baseclasses=baseclasses, - coverage=markcoverage, - } - end - else - report("unsupported subtype %a in",subtype) - end -end -function gposhandlers.marktobase(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) -end -function gposhandlers.marktoligature(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,true) -end -function gposhandlers.marktomark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) -end -function gposhandlers.context(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"positioning"),"context" -end -function gposhandlers.chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,"positioning"),"chainedcontext" -end -function gposhandlers.extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs) - return extension(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,gpostypes,gposhandlers,"positioning") -end -do - local plugins={} - function plugins.size(f,fontdata,tableoffset,feature) - if fontdata.designsize then - else - local function check(offset) - setposition(f,offset) - local designsize=readushort(f) - if designsize>0 then - local fontstyle=readushort(f) - local guimenuid=readushort(f) - local minsize=readushort(f) - local maxsize=readushort(f) - if minsize==0 and maxsize==0 and fontstyleid==0 and guimenuid==0 then - minsize=designsize - maxsize=designsize - end - if designsize>=minsize and designsize<=maxsize then - return minsize,maxsize,designsize - end - end - end - local minsize,maxsize,designsize=check(tableoffset+feature.offset+feature.parameters) - if not designsize then - minsize,maxsize,designsize=check(tableoffset+feature.parameters) - if designsize then - report("bad size feature in %a, falling back to wrong offset",fontdata.filename or "?") - else - report("bad size feature in %a,",fontdata.filename or "?") - end - end - if designsize then - fontdata.minsize=minsize - fontdata.maxsize=maxsize - fontdata.designsize=designsize - end - end - end - local function reorderfeatures(fontdata,scripts,features) - local scriptlangs={} - local featurehash={} - local featureorder={} - for script,languages in next,scripts do - for language,record in next,languages do - local hash={} - local list=record.featureindices - for k=1,#list do - local index=list[k] - local feature=features[index] - local lookups=feature.lookups - local tag=feature.tag - if tag then - hash[tag]=true - end - if lookups then - for i=1,#lookups do - local lookup=lookups[i] - local o=featureorder[lookup] - if o then - local okay=true - for i=1,#o do - if o[i]==tag then - okay=false - break - end - end - if okay then - o[#o+1]=tag - end - else - featureorder[lookup]={ tag } - end - local f=featurehash[lookup] - if f then - local h=f[tag] - if h then - local s=h[script] - if s then - s[language]=true - else - h[script]={ [language]=true } - end - else - f[tag]={ [script]={ [language]=true } } - end - else - featurehash[lookup]={ [tag]={ [script]={ [language]=true } } } - end - local h=scriptlangs[tag] - if h then - local s=h[script] - if s then - s[language]=true - else - h[script]={ [language]=true } - end - else - scriptlangs[tag]={ [script]={ [language]=true } } - end - end - end - end - end - end - return scriptlangs,featurehash,featureorder - end - local function readscriplan(f,fontdata,scriptoffset) - setposition(f,scriptoffset) - local nofscripts=readushort(f) - local scripts={} - for i=1,nofscripts do - scripts[readtag(f)]=scriptoffset+readushort(f) - end - local languagesystems=setmetatableindex("table") - for script,offset in next,scripts do - setposition(f,offset) - local defaultoffset=readushort(f) - local noflanguages=readushort(f) - local languages={} - if defaultoffset>0 then - languages.dflt=languagesystems[offset+defaultoffset] - end - for i=1,noflanguages do - local language=readtag(f) - local offset=offset+readushort(f) - languages[language]=languagesystems[offset] - end - scripts[script]=languages - end - for offset,usedfeatures in next,languagesystems do - if offset>0 then - setposition(f,offset) - local featureindices={} - usedfeatures.featureindices=featureindices - usedfeatures.lookuporder=readushort(f) - usedfeatures.requiredindex=readushort(f) - local noffeatures=readushort(f) - for i=1,noffeatures do - featureindices[i]=readushort(f)+1 - end - end - end - return scripts - end - local function readfeatures(f,fontdata,featureoffset) - setposition(f,featureoffset) - local features={} - local noffeatures=readushort(f) - for i=1,noffeatures do - features[i]={ - tag=readtag(f), - offset=readushort(f) - } - end - for i=1,noffeatures do - local feature=features[i] - local offset=featureoffset+feature.offset - setposition(f,offset) - local parameters=readushort(f) - local noflookups=readushort(f) - if noflookups>0 then - local lookups={} - feature.lookups=lookups - for j=1,noflookups do - lookups[j]=readushort(f)+1 - end - end - if parameters>0 then - feature.parameters=parameters - local plugin=plugins[feature.tag] - if plugin then - plugin(f,fontdata,featureoffset,feature) - end - end - end - return features - end - local function readlookups(f,lookupoffset,lookuptypes,featurehash,featureorder) - setposition(f,lookupoffset) - local lookups={} - local noflookups=readushort(f) - for i=1,noflookups do - lookups[i]=readushort(f) - end - for lookupid=1,noflookups do - local index=lookups[lookupid] - setposition(f,lookupoffset+index) - local subtables={} - local typebits=readushort(f) - local flagbits=readushort(f) - local lookuptype=lookuptypes[typebits] - local lookupflags=lookupflags[flagbits] - local nofsubtables=readushort(f) - for j=1,nofsubtables do - local offset=readushort(f) - subtables[j]=offset+index - end - local markclass=bittest(flagbits,0x0010) - if markclass then - markclass=readushort(f) - end - local markset=rshift(flagbits,8) - if markset>0 then - markclass=markset - end - lookups[lookupid]={ - type=lookuptype, - flags=lookupflags, - name=lookupid, - subtables=subtables, - markclass=markclass, - features=featurehash[lookupid], - order=featureorder[lookupid], - } - end - return lookups - end - local function readscriptoffsets(f,fontdata,tableoffset) - if not tableoffset then - return - end - setposition(f,tableoffset) - local version=readulong(f) - if version~=0x00010000 then - report("table version %a of %a is not supported (yet), maybe font %s is bad",version,what,fontdata.filename) - return - end - return tableoffset+readushort(f),tableoffset+readushort(f),tableoffset+readushort(f) - end - local f_lookupname=formatters["%s_%s_%s"] - local function resolvelookups(f,lookupoffset,fontdata,lookups,lookuptypes,lookuphandlers,what) - local sequences=fontdata.sequences or {} - local sublookuplist=fontdata.sublookups or {} - fontdata.sequences=sequences - fontdata.sublookups=sublookuplist - local nofsublookups=#sublookuplist - local nofsequences=#sequences - local lastsublookup=nofsublookups - local lastsequence=nofsequences - local lookupnames=lookupnames[what] - local sublookuphash={} - local sublookupcheck={} - local glyphs=fontdata.glyphs - local nofglyphs=fontdata.nofglyphs or #glyphs - local noflookups=#lookups - local lookupprefix=sub(what,2,2) - for lookupid=1,noflookups do - local lookup=lookups[lookupid] - local lookuptype=lookup.type - local subtables=lookup.subtables - local features=lookup.features - local handler=lookuphandlers[lookuptype] - if handler then - local nofsubtables=#subtables - local order=lookup.order - local flags=lookup.flags - if flags[1] then flags[1]="mark" end - if flags[2] then flags[2]="ligature" end - if flags[3] then flags[3]="base" end - local markclass=lookup.markclass - if nofsubtables>0 then - local steps={} - local nofsteps=0 - local oldtype=nil - for s=1,nofsubtables do - local step,lt=handler(f,fontdata,lookupid,lookupoffset,subtables[s],glyphs,nofglyphs) - if lt then - lookuptype=lt - if oldtype and lt~=oldtype then - report("messy %s lookup type %a and %a",what,lookuptype,oldtype) - end - oldtype=lookuptype - end - if not step then - report("unsupported %s lookup type %a",what,lookuptype) - else - nofsteps=nofsteps+1 - steps[nofsteps]=step - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local before=rule.before - local current=rule.current - local after=rule.after - if before then - for i=1,#before do - before[i]=tohash(before[i]) - end - rule.before=reversed(before) - end - if current then - for i=1,#current do - current[i]=tohash(current[i]) - end - end - if after then - for i=1,#after do - after[i]=tohash(after[i]) - end - end - end - end - end - end - if nofsteps~=nofsubtables then - report("bogus subtables removed in %s lookup type %a",what,lookuptype) - end - lookuptype=lookupnames[lookuptype] or lookuptype - if features then - nofsequences=nofsequences+1 - local l={ - index=nofsequences, - name=f_lookupname(lookupprefix,"s",lookupid+lookupidoffset), - steps=steps, - nofsteps=nofsteps, - type=lookuptype, - markclass=markclass or nil, - flags=flags, - order=order, - features=features, - } - sequences[nofsequences]=l - lookup.done=l - else - nofsublookups=nofsublookups+1 - local l={ - index=nofsublookups, - name=f_lookupname(lookupprefix,"l",lookupid+lookupidoffset), - steps=steps, - nofsteps=nofsteps, - type=lookuptype, - markclass=markclass or nil, - flags=flags, - } - sublookuplist[nofsublookups]=l - sublookuphash[lookupid]=nofsublookups - sublookupcheck[lookupid]=0 - lookup.done=l - end - else - report("no subtables for lookup %a",lookupid) - end - else - report("no handler for lookup %a with type %a",lookupid,lookuptype) - end - end - local reported={} - local function report_issue(i,what,sequence,kind) - local name=sequence.name - if not reported[name] then - report("rule %i in %s lookup %a has %s lookups",i,what,name,kind) - reported[name]=true - end - end - for i=lastsequence+1,nofsequences do - local sequence=sequences[i] - local steps=sequence.steps - for i=1,#steps do - local step=steps[i] - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local rlookups=rule.lookups - if not rlookups then - report_issue(i,what,sequence,"no") - elseif not next(rlookups) then - report_issue(i,what,sequence,"empty") - rule.lookups=nil - else - local length=#rlookups - for index=1,length do - local lookupid=rlookups[index] - if lookupid then - local h=sublookuphash[lookupid] - if not h then - local lookup=lookups[lookupid] - if lookup then - local d=lookup.done - if d then - nofsublookups=nofsublookups+1 - h={ - index=nofsublookups, - name=f_lookupname(lookupprefix,"d",lookupid+lookupidoffset), - derived=true, - steps=d.steps, - nofsteps=d.nofsteps, - type=d.lookuptype, - markclass=d.markclass or nil, - flags=d.flags, - } - sublookuplist[nofsublookups]=copy(h) - sublookuphash[lookupid]=nofsublookups - sublookupcheck[lookupid]=1 - h=nofsublookups - else - report_issue(i,what,sequence,"missing") - rule.lookups=nil - break - end - else - report_issue(i,what,sequence,"bad") - rule.lookups=nil - break - end - else - sublookupcheck[lookupid]=sublookupcheck[lookupid]+1 - end - rlookups[index]=h or false - else - rlookups[index]=false - end - end - end - end - end - end - end - for i,n in sortedhash(sublookupcheck) do - local l=lookups[i] - local t=l.type - if n==0 and t~="extension" then - local d=l.done - report("%s lookup %s of type %a is not used",what,d and d.name or l.name,t) - end - end - end - local function readscripts(f,fontdata,what,lookuptypes,lookuphandlers,lookupstoo) - local datatable=fontdata.tables[what] - if not datatable then - return - end - local tableoffset=datatable.offset - if not tableoffset then - return - end - local scriptoffset,featureoffset,lookupoffset=readscriptoffsets(f,fontdata,tableoffset) - if not scriptoffset then - return - end - local scripts=readscriplan(f,fontdata,scriptoffset) - local features=readfeatures(f,fontdata,featureoffset) - local scriptlangs,featurehash,featureorder=reorderfeatures(fontdata,scripts,features) - if fontdata.features then - fontdata.features[what]=scriptlangs - else - fontdata.features={ [what]=scriptlangs } - end - if not lookupstoo then - return - end - local lookups=readlookups(f,lookupoffset,lookuptypes,featurehash,featureorder) - if lookups then - resolvelookups(f,lookupoffset,fontdata,lookups,lookuptypes,lookuphandlers,what) - end - end - local function checkkerns(f,fontdata,specification) - local datatable=fontdata.tables.kern - if not datatable then - return - end - local features=fontdata.features - local gposfeatures=features and features.gpos - local name - if not gposfeatures or not gposfeatures.kern then - name="kern" - elseif specification.globalkerns then - name="globalkern" - else - report("ignoring global kern table using gpos kern feature") - return - end - report("adding global kern table as gpos feature %a",name) - setposition(f,datatable.offset) - local version=readushort(f) - local noftables=readushort(f) - local kerns=setmetatableindex("table") - for i=1,noftables do - local version=readushort(f) - local length=readushort(f) - local coverage=readushort(f) - local format=bit32.rshift(coverage,8) - if format==0 then - local nofpairs=readushort(f) - local searchrange=readushort(f) - local entryselector=readushort(f) - local rangeshift=readushort(f) - for i=1,nofpairs do - kerns[readushort(f)][readushort(f)]=readfword(f) - end - elseif format==2 then - else - end - end - local feature={ dflt={ dflt=true } } - if not features then - fontdata.features={ gpos={ [name]=feature } } - elseif not gposfeatures then - fontdata.features.gpos={ [name]=feature } - else - gposfeatures[name]=feature - end - local sequences=fontdata.sequences - if not sequences then - sequences={} - fontdata.sequences=sequences - end - local nofsequences=#sequences+1 - sequences[nofsequences]={ - index=nofsequences, - name=name, - steps={ - { - coverage=kerns, - format="kern", - }, - }, - nofsteps=1, - type="gpos_pair", - flags={ false,false,false,false }, - order={ name }, - features={ [name]=feature }, - } - end - function readers.gsub(f,fontdata,specification) - if specification.details then - readscripts(f,fontdata,"gsub",gsubtypes,gsubhandlers,specification.lookups) - end - end - function readers.gpos(f,fontdata,specification) - if specification.details then - readscripts(f,fontdata,"gpos",gpostypes,gposhandlers,specification.lookups) - if specification.lookups then - checkkerns(f,fontdata,specification) - end - end - end -end -function readers.gdef(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.gdef - if datatable then - local tableoffset=datatable.offset - setposition(f,tableoffset) - local version=readulong(f) - local classoffset=tableoffset+readushort(f) - local attachmentoffset=tableoffset+readushort(f) - local ligaturecarets=tableoffset+readushort(f) - local markclassoffset=tableoffset+readushort(f) - local marksetsoffset=version==0x00010002 and (tableoffset+readushort(f)) - local glyphs=fontdata.glyphs - local marks={} - local markclasses=setmetatableindex("table") - local marksets=setmetatableindex("table") - fontdata.marks=marks - fontdata.markclasses=markclasses - fontdata.marksets=marksets - setposition(f,classoffset) - local classformat=readushort(f) - if classformat==1 then - local firstindex=readushort(f) - local lastindex=firstindex+readushort(f)-1 - for index=firstindex,lastindex do - local class=classes[readushort(f)] - if class=="mark" then - marks[index]=true - end - glyphs[index].class=class - end - elseif classformat==2 then - local nofranges=readushort(f) - for i=1,nofranges do - local firstindex=readushort(f) - local lastindex=readushort(f) - local class=classes[readushort(f)] - if class then - for index=firstindex,lastindex do - glyphs[index].class=class - if class=="mark" then - marks[index]=true - end - end - end - end - end - setposition(f,markclassoffset) - local classformat=readushort(f) - if classformat==1 then - local firstindex=readushort(f) - local lastindex=firstindex+readushort(f)-1 - for index=firstindex,lastindex do - markclasses[readushort(f)][index]=true - end - elseif classformat==2 then - local nofranges=readushort(f) - for i=1,nofranges do - local firstindex=readushort(f) - local lastindex=readushort(f) - local class=markclasses[readushort(f)] - for index=firstindex,lastindex do - class[index]=true - end - end - end - if marksetsoffset and marksetsoffset>tableoffset then - setposition(f,marksetsoffset) - local format=readushort(f) - if format==1 then - local nofsets=readushort(f) - local sets={} - for i=1,nofsets do - sets[i]=readulong(f) - end - for i=1,nofsets do - local offset=sets[i] - if offset~=0 then - marksets[i]=readcoverage(f,marksetsoffset+offset) - end - end - end - end - end - end -end -local function readmathvalue(f) - local v=readshort(f) - skipshort(f,1) - return v -end -local function readmathconstants(f,fontdata,offset) - setposition(f,offset) - fontdata.mathconstants={ - ScriptPercentScaleDown=readshort(f), - ScriptScriptPercentScaleDown=readshort(f), - DelimitedSubFormulaMinHeight=readushort(f), - DisplayOperatorMinHeight=readushort(f), - MathLeading=readmathvalue(f), - AxisHeight=readmathvalue(f), - AccentBaseHeight=readmathvalue(f), - FlattenedAccentBaseHeight=readmathvalue(f), - SubscriptShiftDown=readmathvalue(f), - SubscriptTopMax=readmathvalue(f), - SubscriptBaselineDropMin=readmathvalue(f), - SuperscriptShiftUp=readmathvalue(f), - SuperscriptShiftUpCramped=readmathvalue(f), - SuperscriptBottomMin=readmathvalue(f), - SuperscriptBaselineDropMax=readmathvalue(f), - SubSuperscriptGapMin=readmathvalue(f), - SuperscriptBottomMaxWithSubscript=readmathvalue(f), - SpaceAfterScript=readmathvalue(f), - UpperLimitGapMin=readmathvalue(f), - UpperLimitBaselineRiseMin=readmathvalue(f), - LowerLimitGapMin=readmathvalue(f), - LowerLimitBaselineDropMin=readmathvalue(f), - StackTopShiftUp=readmathvalue(f), - StackTopDisplayStyleShiftUp=readmathvalue(f), - StackBottomShiftDown=readmathvalue(f), - StackBottomDisplayStyleShiftDown=readmathvalue(f), - StackGapMin=readmathvalue(f), - StackDisplayStyleGapMin=readmathvalue(f), - StretchStackTopShiftUp=readmathvalue(f), - StretchStackBottomShiftDown=readmathvalue(f), - StretchStackGapAboveMin=readmathvalue(f), - StretchStackGapBelowMin=readmathvalue(f), - FractionNumeratorShiftUp=readmathvalue(f), - FractionNumeratorDisplayStyleShiftUp=readmathvalue(f), - FractionDenominatorShiftDown=readmathvalue(f), - FractionDenominatorDisplayStyleShiftDown=readmathvalue(f), - FractionNumeratorGapMin=readmathvalue(f), - FractionNumeratorDisplayStyleGapMin=readmathvalue(f), - FractionRuleThickness=readmathvalue(f), - FractionDenominatorGapMin=readmathvalue(f), - FractionDenominatorDisplayStyleGapMin=readmathvalue(f), - SkewedFractionHorizontalGap=readmathvalue(f), - SkewedFractionVerticalGap=readmathvalue(f), - OverbarVerticalGap=readmathvalue(f), - OverbarRuleThickness=readmathvalue(f), - OverbarExtraAscender=readmathvalue(f), - UnderbarVerticalGap=readmathvalue(f), - UnderbarRuleThickness=readmathvalue(f), - UnderbarExtraDescender=readmathvalue(f), - RadicalVerticalGap=readmathvalue(f), - RadicalDisplayStyleVerticalGap=readmathvalue(f), - RadicalRuleThickness=readmathvalue(f), - RadicalExtraAscender=readmathvalue(f), - RadicalKernBeforeDegree=readmathvalue(f), - RadicalKernAfterDegree=readmathvalue(f), - RadicalDegreeBottomRaisePercent=readshort(f), - } -end -local function readmathglyphinfo(f,fontdata,offset) - setposition(f,offset) - local italics=readushort(f) - local accents=readushort(f) - local extensions=readushort(f) - local kerns=readushort(f) - local glyphs=fontdata.glyphs - if italics~=0 then - setposition(f,offset+italics) - local coverage=readushort(f) - local nofglyphs=readushort(f) - coverage=readcoverage(f,offset+italics+coverage,true) - setposition(f,offset+italics+4) - for i=1,nofglyphs do - local italic=readmathvalue(f) - if italic~=0 then - local glyph=glyphs[coverage[i]] - local math=glyph.math - if not math then - glyph.math={ italic=italic } - else - math.italic=italic - end - end - end - fontdata.hasitalics=true - end - if accents~=0 then - setposition(f,offset+accents) - local coverage=readushort(f) - local nofglyphs=readushort(f) - coverage=readcoverage(f,offset+accents+coverage,true) - setposition(f,offset+accents+4) - for i=1,nofglyphs do - local accent=readmathvalue(f) - if accent~=0 then - local glyph=glyphs[coverage[i]] - local math=glyph.math - if not math then - glyph.math={ accent=accent } - else - math.accent=accent - end - end - end - end - if extensions~=0 then - setposition(f,offset+extensions) - end - if kerns~=0 then - local kernoffset=offset+kerns - setposition(f,kernoffset) - local coverage=readushort(f) - local nofglyphs=readushort(f) - if nofglyphs>0 then - local function get(offset) - setposition(f,kernoffset+offset) - local n=readushort(f) - if n==0 then - local k=readmathvalue(f) - if k==0 then - else - return { { kern=k } } - end - else - local l={} - for i=1,n do - l[i]={ height=readmathvalue(f) } - end - for i=1,n do - l[i].kern=readmathvalue(f) - end - l[n+1]={ kern=readmathvalue(f) } - return l - end - end - local kernsets={} - for i=1,nofglyphs do - local topright=readushort(f) - local topleft=readushort(f) - local bottomright=readushort(f) - local bottomleft=readushort(f) - kernsets[i]={ - topright=topright~=0 and topright or nil, - topleft=topleft~=0 and topleft or nil, - bottomright=bottomright~=0 and bottomright or nil, - bottomleft=bottomleft~=0 and bottomleft or nil, - } - end - coverage=readcoverage(f,kernoffset+coverage,true) - for i=1,nofglyphs do - local kernset=kernsets[i] - if next(kernset) then - local k=kernset.topright if k then kernset.topright=get(k) end - local k=kernset.topleft if k then kernset.topleft=get(k) end - local k=kernset.bottomright if k then kernset.bottomright=get(k) end - local k=kernset.bottomleft if k then kernset.bottomleft=get(k) end - if next(kernset) then - local glyph=glyphs[coverage[i]] - local math=glyph.math - if math then - math.kerns=kernset - else - glyph.math={ kerns=kernset } - end - end - end - end - end - end -end -local function readmathvariants(f,fontdata,offset) - setposition(f,offset) - local glyphs=fontdata.glyphs - local minoverlap=readushort(f) - local vcoverage=readushort(f) - local hcoverage=readushort(f) - local vnofglyphs=readushort(f) - local hnofglyphs=readushort(f) - local vconstruction={} - local hconstruction={} - for i=1,vnofglyphs do - vconstruction[i]=readushort(f) - end - for i=1,hnofglyphs do - hconstruction[i]=readushort(f) - end - fontdata.mathconstants.MinConnectorOverlap=minoverlap - local function get(offset,coverage,nofglyphs,construction,kvariants,kparts,kitalic) - if coverage~=0 and nofglyphs>0 then - local coverage=readcoverage(f,offset+coverage,true) - for i=1,nofglyphs do - local c=construction[i] - if c~=0 then - local index=coverage[i] - local glyph=glyphs[index] - local math=glyph.math - setposition(f,offset+c) - local assembly=readushort(f) - local nofvariants=readushort(f) - if nofvariants>0 then - local variants,v=nil,0 - for i=1,nofvariants do - local variant=readushort(f) - if variant==index then - elseif variants then - v=v+1 - variants[v]=variant - else - v=1 - variants={ variant } - end - skipshort(f) - end - if not variants then - elseif not math then - math={ [kvariants]=variants } - glyph.math=math - else - math[kvariants]=variants - end - end - if assembly~=0 then - setposition(f,offset+c+assembly) - local italic=readmathvalue(f) - local nofparts=readushort(f) - local parts={} - for i=1,nofparts do - local p={ - glyph=readushort(f), - start=readushort(f), - ["end"]=readushort(f), - advance=readushort(f), - } - local flags=readushort(f) - if bittest(flags,0x0001) then - p.extender=1 - end - parts[i]=p - end - if not math then - math={ - [kparts]=parts - } - glyph.math=math - else - math[kparts]=parts - end - if italic and italic~=0 then - math[kitalic]=italic - end - end - end - end - end - end - get(offset,vcoverage,vnofglyphs,vconstruction,"vvariants","vparts","vitalic") - get(offset,hcoverage,hnofglyphs,hconstruction,"hvariants","hparts","hitalic") -end -function readers.math(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.math - if datatable then - local tableoffset=datatable.offset - setposition(f,tableoffset) - local version=readulong(f) - if version~=0x00010000 then - report("table version %a of %a is not supported (yet), maybe font %s is bad",version,"math",fontdata.filename) - return - end - local constants=readushort(f) - local glyphinfo=readushort(f) - local variants=readushort(f) - if constants==0 then - report("the math table of %a has no constants",fontdata.filename) - else - readmathconstants(f,fontdata,tableoffset+constants) - end - if glyphinfo~=0 then - readmathglyphinfo(f,fontdata,tableoffset+glyphinfo) - end - if variants~=0 then - readmathvariants(f,fontdata,tableoffset+variants) - end - end - end -end -function readers.colr(f,fontdata,specification) - local datatable=fontdata.tables.colr - if datatable then - if specification.glyphs then - local tableoffset=datatable.offset - setposition(f,tableoffset) - local version=readushort(f) - if version~=0 then - report("table version %a of %a is not supported (yet), maybe font %s is bad",version,"colr",fontdata.filename) - return - end - if not fontdata.tables.cpal then - report("color table %a in font %a has no mandate %a table","colr",fontdata.filename,"cpal") - fontdata.colorpalettes={} - end - local glyphs=fontdata.glyphs - local nofglyphs=readushort(f) - local baseoffset=readulong(f) - local layeroffset=readulong(f) - local noflayers=readushort(f) - local layerrecords={} - local maxclass=0 - setposition(f,tableoffset+layeroffset) - for i=1,noflayers do - local slot=readushort(f) - local class=readushort(f) - if class<0xFFFF then - class=class+1 - if class>maxclass then - maxclass=class - end - end - layerrecords[i]={ - slot=slot, - class=class, - } - end - fontdata.maxcolorclass=maxclass - setposition(f,tableoffset+baseoffset) - for i=0,nofglyphs-1 do - local glyphindex=readushort(f) - local firstlayer=readushort(f) - local noflayers=readushort(f) - local t={} - for i=1,noflayers do - t[i]=layerrecords[firstlayer+i] - end - glyphs[glyphindex].colors=t - end - end - fontdata.hascolor=true - end -end -function readers.cpal(f,fontdata,specification) - if specification.glyphs then - local datatable=fontdata.tables.cpal - if datatable then - local tableoffset=datatable.offset - setposition(f,tableoffset) - local version=readushort(f) - if version>1 then - report("table version %a of %a is not supported (yet), maybe font %s is bad",version,"cpal",fontdata.filename) - return - end - local nofpaletteentries=readushort(f) - local nofpalettes=readushort(f) - local nofcolorrecords=readushort(f) - local firstcoloroffset=readulong(f) - local colorrecords={} - local palettes={} - for i=1,nofpalettes do - palettes[i]=readushort(f) - end - if version==1 then - local palettettypesoffset=readulong(f) - local palettelabelsoffset=readulong(f) - local paletteentryoffset=readulong(f) - end - setposition(f,tableoffset+firstcoloroffset) - for i=1,nofcolorrecords do - local b,g,r,a=readbytes(f,4) - colorrecords[i]={ - r,g,b,a~=255 and a or nil, - } - end - for i=1,nofpalettes do - local p={} - local o=palettes[i] - for j=1,nofpaletteentries do - p[j]=colorrecords[o+j] - end - palettes[i]=p - end - fontdata.colorpalettes=palettes - end - end -end -function readers.svg(f,fontdata,specification) - local datatable=fontdata.tables.svg - if datatable then - if specification.glyphs then - local tableoffset=datatable.offset - setposition(f,tableoffset) - local version=readushort(f) - if version~=0 then - report("table version %a of %a is not supported (yet), maybe font %s is bad",version,"svg",fontdata.filename) - return - end - local glyphs=fontdata.glyphs - local indexoffset=tableoffset+readulong(f) - local reserved=readulong(f) - setposition(f,indexoffset) - local nofentries=readushort(f) - local entries={} - for i=1,nofentries do - entries[i]={ - first=readushort(f), - last=readushort(f), - offset=indexoffset+readulong(f), - length=readulong(f), - } - end - for i=1,nofentries do - local entry=entries[i] - setposition(f,entry.offset) - entries[i]={ - first=entry.first, - last=entry.last, - data=readstring(f,entry.length) - } - end - fontdata.svgshapes=entries - end - fontdata.hascolor=true - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-dsp”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-oup” f7237130b648a4c2b477dabedc7f90e8] --- - -if not modules then modules={} end modules ['font-oup']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local next,type=next,type -local P,R,S=lpeg.P,lpeg.R,lpeg.S -local lpegmatch=lpeg.match -local insert,remove,copy,unpack=table.insert,table.remove,table.copy,table.unpack -local formatters=string.formatters -local sortedkeys=table.sortedkeys -local sortedhash=table.sortedhash -local tohash=table.tohash -local report=logs.reporter("otf reader") -local trace_markwidth=false trackers.register("otf.markwidth",function(v) trace_markwidth=v end) -local readers=fonts.handlers.otf.readers -local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000 -local f_private=formatters["P%05X"] -local f_unicode=formatters["U%05X"] -local f_index=formatters["I%05X"] -local f_character_y=formatters["%C"] -local f_character_n=formatters["[ %C ]"] -local check_duplicates=true -local check_soft_hyphen=false -directives.register("otf.checksofthyphen",function(v) - check_soft_hyphen=v -end) -local function replaced(list,index,replacement) - if type(list)=="number" then - return replacement - elseif type(replacement)=="table" then - local t={} - local n=index-1 - for i=1,n do - t[i]=list[i] - end - for i=1,#replacement do - n=n+1 - t[n]=replacement[i] - end - for i=index+1,#list do - n=n+1 - t[n]=list[i] - end - else - list[index]=replacement - return list - end -end -local function unifyresources(fontdata,indices) - local descriptions=fontdata.descriptions - local resources=fontdata.resources - if not descriptions or not resources then - return - end - local variants=fontdata.resources.variants - if variants then - for selector,unicodes in next,variants do - for unicode,index in next,unicodes do - unicodes[unicode]=indices[index] - end - end - end - local function remark(marks) - if marks then - local newmarks={} - for k,v in next,marks do - local u=indices[k] - if u then - newmarks[u]=v - else - report("discarding mark %i",k) - end - end - return newmarks - end - end - local marks=resources.marks - if marks then - resources.marks=remark(marks) - end - local markclasses=resources.markclasses - if markclasses then - for class,marks in next,markclasses do - markclasses[class]=remark(marks) - end - end - local marksets=resources.marksets - if marksets then - for class,marks in next,marksets do - marksets[class]=remark(marks) - end - end - local done={} - local duplicates=check_duplicates and resources.duplicates - if duplicates and not next(duplicates) then - duplicates=false - end - local function recover(cover) - for i=1,#cover do - local c=cover[i] - if not done[c] then - local t={} - for k,v in next,c do - t[indices[k]]=v - end - cover[i]=t - done[c]=d - end - end - end - local function recursed(c) - local t={} - for g,d in next,c do - if type(d)=="table" then - t[indices[g]]=recursed(d) - else - t[g]=indices[d] - end - end - return t - end - local function unifythem(sequences) - if not sequences then - return - end - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local features=sequence.features - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gsub_single" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - local ug1=indices[g1] - local ud1=indices[d1] - t1[ug1]=ud1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=ud1 - end - end - end - else - for g1,d1 in next,c do - t1[indices[g1]]=indices[d1] - end - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gpos_pair" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - for g1,d1 in next,c do - local t2=done[d1] - if not t2 then - t2={} - for g2,d2 in next,d1 do - t2[indices[g2]]=d2 - end - done[d1]=t2 - end - t1[indices[g1]]=t2 - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gsub_ligature" then - local c=step.coverage - if c then - step.coverage=recursed(c) - end - elseif kind=="gsub_alternate" or kind=="gsub_multiple" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - for i=1,#d1 do - d1[i]=indices[d1[i]] - end - local ug1=indices[g1] - t1[ug1]=d1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=copy(d1) - end - end - end - else - for g1,d1 in next,c do - for i=1,#d1 do - d1[i]=indices[d1[i]] - end - t1[indices[g1]]=d1 - end - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" or kind=="gpos_mark2ligature" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - for g1,d1 in next,c do - t1[indices[g1]]=d1 - end - done[c]=t1 - end - step.coverage=t1 - end - local c=step.baseclasses - if c then - local t1=done[c] - if not t1 then - for g1,d1 in next,c do - local t2=done[d1] - if not t2 then - t2={} - for g2,d2 in next,d1 do - t2[indices[g2]]=d2 - end - done[d1]=t2 - end - c[g1]=t2 - end - done[c]=c - end - end - elseif kind=="gpos_single" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - local ug1=indices[g1] - t1[ug1]=d1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=d1 - end - end - end - else - for g1,d1 in next,c do - t1[indices[g1]]=d1 - end - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gpos_cursive" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - local ug1=indices[g1] - t1[ug1]=d1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=copy(d1) - end - end - end - else - for g1,d1 in next,c do - t1[indices[g1]]=d1 - end - end - done[c]=t1 - end - step.coverage=t1 - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local before=rule.before if before then recover(before) end - local after=rule.after if after then recover(after) end - local current=rule.current if current then recover(current) end - local replacements=rule.replacements - if replacements then - if not done[replacements] then - local r={} - for k,v in next,replacements do - r[indices[k]]=indices[v] - end - rule.replacements=r - done[replacements]=r - end - end - end - end - end - end - end - end - unifythem(resources.sequences) - unifythem(resources.sublookups) -end -local function copyduplicates(fontdata) - if check_duplicates then - local descriptions=fontdata.descriptions - local resources=fontdata.resources - local duplicates=resources.duplicates - if check_soft_hyphen then - local ds=descriptions[0xAD] - if not ds or ds.width==0 then - if ds then - descriptions[0xAD]=nil - report("patching soft hyphen") - else - report("adding soft hyphen") - end - if not duplicates then - duplicates={} - resources.duplicates=duplicates - end - local dh=duplicates[0x2D] - if dh then - dh[#dh+1]={ [0xAD]=true } - else - duplicates[0x2D]={ [0xAD]=true } - end - end - end - if duplicates then - for u,d in next,duplicates do - local du=descriptions[u] - if du then - local t={ f_character_y(u),"@",f_index(du.index),"->" } - local n=0 - local m=25 - for u in next,d do - if descriptions[u] then - if n<m then - t[n+4]=f_character_n(u) - end - else - local c=copy(du) - c.unicode=u - descriptions[u]=c - if n<m then - t[n+4]=f_character_y(u) - end - end - n=n+1 - end - if n<=m then - report("duplicates: %i : % t",n,t) - else - report("duplicates: %i : % t ...",n,t) - end - else - end - end - end - end -end -local ignore={ - ["notdef"]=true, - [".notdef"]=true, - ["null"]=true, - [".null"]=true, - ["nonmarkingreturn"]=true, -} -local function checklookups(fontdata,missing,nofmissing) - local descriptions=fontdata.descriptions - local resources=fontdata.resources - if missing and nofmissing and nofmissing<=0 then - return - end - local singles={} - local alternates={} - local ligatures={} - if not missing then - missing={} - nofmissing=0 - for u,d in next,descriptions do - if not d.unicode then - nofmissing=nofmissing+1 - missing[u]=true - end - end - end - local function collectthem(sequences) - if not sequences then - return - end - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gsub_single" then - local c=step.coverage - if c then - singles[#singles+1]=c - end - elseif kind=="gsub_alternate" then - local c=step.coverage - if c then - alternates[#alternates+1]=c - end - elseif kind=="gsub_ligature" then - local c=step.coverage - if c then - ligatures[#ligatures+1]=c - end - end - end - end - end - end - collectthem(resources.sequences) - collectthem(resources.sublookups) - local loops=0 - while true do - loops=loops+1 - local old=nofmissing - for i=1,#singles do - local c=singles[i] - for g1,g2 in next,c do - if missing[g1] then - local u2=descriptions[g2].unicode - if u2 then - missing[g1]=false - descriptions[g1].unicode=u2 - nofmissing=nofmissing-1 - end - end - if missing[g2] then - local u1=descriptions[g1].unicode - if u1 then - missing[g2]=false - descriptions[g2].unicode=u1 - nofmissing=nofmissing-1 - end - end - end - end - for i=1,#alternates do - local c=alternates[i] - for g1,d1 in next,c do - if missing[g1] then - for i=1,#d1 do - local g2=d1[i] - local u2=descriptions[g2].unicode - if u2 then - missing[g1]=false - descriptions[g1].unicode=u2 - nofmissing=nofmissing-1 - end - end - end - if not missing[g1] then - for i=1,#d1 do - local g2=d1[i] - if missing[g2] then - local u1=descriptions[g1].unicode - if u1 then - missing[g2]=false - descriptions[g2].unicode=u1 - nofmissing=nofmissing-1 - end - end - end - end - end - end - if nofmissing<=0 then - report("all done in %s loops",loops) - return - elseif old==nofmissing then - break - end - end - local t,n - local function recursed(c) - for g,d in next,c do - if g~="ligature" then - local u=descriptions[g].unicode - if u then - n=n+1 - t[n]=u - recursed(d) - n=n-1 - end - elseif missing[d] then - local l={} - local m=0 - for i=1,n do - local u=t[i] - if type(u)=="table" then - for i=1,#u do - m=m+1 - l[m]=u[i] - end - else - m=m+1 - l[m]=u - end - end - missing[d]=false - descriptions[d].unicode=l - nofmissing=nofmissing-1 - end - end - end - if nofmissing>0 then - t={} - n=0 - local loops=0 - while true do - loops=loops+1 - local old=nofmissing - for i=1,#ligatures do - recursed(ligatures[i]) - end - if nofmissing<=0 then - report("all done in %s loops",loops) - return - elseif old==nofmissing then - break - end - end - t=nil - n=0 - end - if nofmissing>0 then - local done={} - for i,r in next,missing do - if r then - local data=descriptions[i] - local name=data and data.name or f_index(i) - if not ignore[name] then - done[name]=true - end - end - end - if next(done) then - report("not unicoded: % t",table.sortedkeys(done)) - end - end -end -local function unifymissing(fontdata) - if not fonts.mappings then - require("font-map") - require("font-agl") - end - local unicodes={} - local private=fontdata.private - local resources=fontdata.resources - resources.unicodes=unicodes - for unicode,d in next,fontdata.descriptions do - if unicode<privateoffset then - local name=d.name - if name then - unicodes[name]=unicode - end - end - end - fonts.mappings.addtounicode(fontdata,fontdata.filename,checklookups) - resources.unicodes=nil -end -local function unifyglyphs(fontdata,usenames) - local private=fontdata.private or privateoffset - local glyphs=fontdata.glyphs - local indices={} - local descriptions={} - local names=usenames and {} - local resources=fontdata.resources - local zero=glyphs[0] - local zerocode=zero.unicode - if not zerocode then - zerocode=private - zero.unicode=zerocode - private=private+1 - end - descriptions[zerocode]=zero - if names then - local name=glyphs[0].name or f_private(zerocode) - indices[0]=name - names[name]=zerocode - else - indices[0]=zerocode - end - for index=1,#glyphs do - local glyph=glyphs[index] - local unicode=glyph.unicode - if not unicode then - unicode=private - if names then - local name=glyph.name or f_private(unicode) - indices[index]=name - names[name]=unicode - else - indices[index]=unicode - end - private=private+1 - elseif descriptions[unicode] then - report("assigning private unicode %U to glyph indexed %05X (%C)",private,index,unicode) - unicode=private - if names then - local name=glyph.name or f_private(unicode) - indices[index]=name - names[name]=unicode - else - indices[index]=unicode - end - private=private+1 - else - if names then - local name=glyph.name or f_unicode(unicode) - indices[index]=name - names[name]=unicode - else - indices[index]=unicode - end - end - descriptions[unicode]=glyph - end - for index=1,#glyphs do - local math=glyphs[index].math - if math then - local list=math.vparts - if list then - for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end - end - local list=math.hparts - if list then - for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end - end - local list=math.vvariants - if list then - for i=1,#list do list[i]=indices[list[i]] end - end - local list=math.hvariants - if list then - for i=1,#list do list[i]=indices[list[i]] end - end - end - end - local colorpalettes=resources.colorpalettes - if colorpalettes then - for index=1,#glyphs do - local colors=glyphs[index].colors - if colors then - for i=1,#colors do - local c=colors[i] - c.slot=indices[c.slot] - end - end - end - end - fontdata.private=private - fontdata.glyphs=nil - fontdata.names=names - fontdata.descriptions=descriptions - fontdata.hashmethod=hashmethod - return indices,names -end -local p_bogusname=( - (P("uni")+P("UNI")+P("Uni")+P("U")+P("u"))*S("Xx")^0*R("09","AF")^1+(P("identity")+P("Identity")+P("IDENTITY"))*R("09","AF")^1+(P("index")+P("Index")+P("INDEX"))*R("09")^1 -)*P(-1) -local function stripredundant(fontdata) - local descriptions=fontdata.descriptions - if descriptions then - local n=0 - local c=0 - for unicode,d in next,descriptions do - local name=d.name - if name and lpegmatch(p_bogusname,name) then - d.name=nil - n=n+1 - end - if d.class=="base" then - d.class=nil - c=c+1 - end - end - if n>0 then - report("%s bogus names removed (verbose unicode)",n) - end - if c>0 then - report("%s base class tags removed (default is base)",c) - end - end -end -function readers.getcomponents(fontdata) - local resources=fontdata.resources - if resources then - local sequences=resources.sequences - if sequences then - local collected={} - for i=1,#sequences do - local sequence=sequences[i] - if sequence.type=="gsub_ligature" then - local steps=sequence.steps - if steps then - local l={} - local function traverse(p,k,v) - if k=="ligature" then - collected[v]={ unpack(l) } - else - insert(l,k) - for k,vv in next,v do - traverse(p,k,vv) - end - remove(l) - end - end - for i=1,#steps do - local coverage=steps[i].coverage - if coverage then - for k,v in next,coverage do - traverse(k,k,v) - end - end - end - end - end - end - if next(collected) then - while true do - local done=false - for k,v in next,collected do - for i=1,#v do - local vi=v[i] - if vi==k then - collected[k]=nil - break - else - local c=collected[vi] - if c then - done=true - local t={} - local n=i-1 - for j=1,n do - t[j]=v[j] - end - for j=1,#c do - n=n+1 - t[n]=c[j] - end - for j=i+1,#v do - n=n+1 - t[n]=v[j] - end - collected[k]=t - break - end - end - end - end - if not done then - break - end - end - return collected - end - end - end -end -readers.unifymissing=unifymissing -function readers.rehash(fontdata,hashmethod) - if not (fontdata and fontdata.glyphs) then - return - end - if hashmethod=="indices" then - fontdata.hashmethod="indices" - elseif hashmethod=="names" then - fontdata.hashmethod="names" - local indices=unifyglyphs(fontdata,true) - unifyresources(fontdata,indices) - copyduplicates(fontdata) - unifymissing(fontdata) - else - fontdata.hashmethod="unicode" - local indices=unifyglyphs(fontdata) - unifyresources(fontdata,indices) - copyduplicates(fontdata) - unifymissing(fontdata) - stripredundant(fontdata) - end -end -function readers.checkhash(fontdata) - local hashmethod=fontdata.hashmethod - if hashmethod=="unicodes" then - fontdata.names=nil - elseif hashmethod=="names" and fontdata.names then - unifyresources(fontdata,fontdata.names) - copyduplicates(fontdata) - fontdata.hashmethod="unicode" - fontdata.names=nil - else - readers.rehash(fontdata,"unicode") - end -end -function readers.addunicodetable(fontdata) - local resources=fontdata.resources - local unicodes=resources.unicodes - if not unicodes then - local descriptions=fontdata.descriptions - if descriptions then - unicodes={} - resources.unicodes=unicodes - for u,d in next,descriptions do - local n=d.name - if n then - unicodes[n]=u - end - end - end - end -end -local concat,sort=table.concat,table.sort -local next,type,tostring=next,type,tostring -local criterium=1 -local threshold=0 -local trace_packing=false trackers.register("otf.packing",function(v) trace_packing=v end) -local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) -local report_otf=logs.reporter("fonts","otf loading") -local function tabstr_normal(t) - local s={} - local n=0 - for k,v in next,t do - n=n+1 - if type(v)=="table" then - s[n]=k..">"..tabstr_normal(v) - elseif v==true then - s[n]=k.."+" - elseif v then - s[n]=k.."="..v - else - s[n]=k.."-" - end - end - if n==0 then - return "" - elseif n==1 then - return s[1] - else - sort(s) - return concat(s,",") - end -end -local function tabstr_flat(t) - local s={} - local n=0 - for k,v in next,t do - n=n+1 - s[n]=k.."="..v - end - if n==0 then - return "" - elseif n==1 then - return s[1] - else - sort(s) - return concat(s,",") - end -end -local function tabstr_mixed(t) - local s={} - local n=#t - if n==0 then - return "" - elseif n==1 then - local k=t[1] - if k==true then - return "++" - elseif k==false then - return "--" - else - return tostring(k) - end - else - for i=1,n do - local k=t[i] - if k==true then - s[i]="++" - elseif k==false then - s[i]="--" - else - s[i]=k - end - end - return concat(s,",") - end -end -local function tabstr_boolean(t) - local s={} - local n=0 - for k,v in next,t do - n=n+1 - if v then - s[n]=k.."+" - else - s[n]=k.."-" - end - end - if n==0 then - return "" - elseif n==1 then - return s[1] - else - sort(s) - return concat(s,",") - end -end -function readers.pack(data) - if data then - local h,t,c={},{},{} - local hh,tt,cc={},{},{} - local nt,ntt=0,0 - local function pack_normal(v) - local tag=tabstr_normal(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_flat(v) - local tag=tabstr_flat(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_boolean(v) - local tag=tabstr_boolean(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_indexed(v) - local tag=concat(v," ") - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_mixed(v) - local tag=tabstr_mixed(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_final(v) - if c[v]<=criterium then - return t[v] - else - local hv=hh[v] - if hv then - return hv - else - ntt=ntt+1 - tt[ntt]=t[v] - hh[v]=ntt - cc[ntt]=c[v] - return ntt - end - end - end - local function success(stage,pass) - if nt==0 then - if trace_loading or trace_packing then - report_otf("pack quality: nothing to pack") - end - return false - elseif nt>=threshold then - local one,two,rest=0,0,0 - if pass==1 then - for k,v in next,c do - if v==1 then - one=one+1 - elseif v==2 then - two=two+1 - else - rest=rest+1 - end - end - else - for k,v in next,cc do - if v>20 then - rest=rest+1 - elseif v>10 then - two=two+1 - else - one=one+1 - end - end - data.tables=tt - end - if trace_loading or trace_packing then - report_otf("pack quality: stage %s, pass %s, %s packed, 1-10:%s, 11-20:%s, rest:%s (criterium: %s)", - stage,pass,one+two+rest,one,two,rest,criterium) - end - return true - else - if trace_loading or trace_packing then - report_otf("pack quality: stage %s, pass %s, %s packed, aborting pack (threshold: %s)", - stage,pass,nt,threshold) - end - return false - end - end - local function packers(pass) - if pass==1 then - return pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed - else - return pack_final,pack_final,pack_final,pack_final,pack_final - end - end - local resources=data.resources - local sequences=resources.sequences - local sublookups=resources.sublookups - local features=resources.features - local palettes=resources.colorpalettes - local chardata=characters and characters.data - local descriptions=data.descriptions or data.glyphs - if not descriptions then - return - end - for pass=1,2 do - if trace_packing then - report_otf("start packing: stage 1, pass %s",pass) - end - local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed=packers(pass) - for unicode,description in next,descriptions do - local boundingbox=description.boundingbox - if boundingbox then - description.boundingbox=pack_indexed(boundingbox) - end - local math=description.math - if math then - local kerns=math.kerns - if kerns then - for tag,kern in next,kerns do - kerns[tag]=pack_normal(kern) - end - end - end - end - local function packthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local order=sequence.order - local features=sequence.features - local flags=sequence.flags - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format=="kern" then - for g1,d1 in next,c do - c[g1]=pack_normal(d1) - end - else - for g1,d1 in next,c do - for g2,d2 in next,d1 do - local f=d2[1] if f then d2[1]=pack_indexed(f) end - local s=d2[2] if s then d2[2]=pack_indexed(s) end - end - end - end - end - elseif kind=="gpos_single" then - local c=step.coverage - if c then - if step.format=="kern" then - step.coverage=pack_normal(c) - else - for g1,d1 in next,c do - c[g1]=pack_indexed(d1) - end - end - end - elseif kind=="gpos_cursive" then - local c=step.coverage - if c then - for g1,d1 in next,c do - local f=d1[2] if f then d1[2]=pack_indexed(f) end - local s=d1[3] if s then d1[3]=pack_indexed(s) end - end - end - elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - d1[g2]=pack_indexed(d2) - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - d1[2]=pack_indexed(d1[2]) - end - end - elseif kind=="gpos_mark2ligature" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - for g3,d3 in next,d2 do - d2[g3]=pack_indexed(d3) - end - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - d1[2]=pack_indexed(d1[2]) - end - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local r=rule.before if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end - local r=rule.after if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end - local r=rule.current if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end - local r=rule.lookups if r then rule.lookups=pack_mixed (r) end - local r=rule.replacements if r then rule.replacements=pack_flat (r) end - end - end - end - end - if order then - sequence.order=pack_indexed(order) - end - if features then - for script,feature in next,features do - features[script]=pack_normal(feature) - end - end - if flags then - sequence.flags=pack_normal(flags) - end - end - end - if sequences then - packthem(sequences) - end - if sublookups then - packthem(sublookups) - end - if features then - for k,list in next,features do - for feature,spec in next,list do - list[feature]=pack_normal(spec) - end - end - end - if palettes then - for i=1,#palettes do - local p=palettes[i] - for j=1,#p do - p[j]=pack_indexed(p[j]) - end - end - end - if not success(1,pass) then - return - end - end - if nt>0 then - for pass=1,2 do - if trace_packing then - report_otf("start packing: stage 2, pass %s",pass) - end - local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed=packers(pass) - for unicode,description in next,descriptions do - local math=description.math - if math then - local kerns=math.kerns - if kerns then - math.kerns=pack_normal(kerns) - end - end - end - local function packthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local features=sequence.features - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format=="kern" then - else - for g1,d1 in next,c do - for g2,d2 in next,d1 do - d1[g2]=pack_normal(d2) - end - end - end - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local r=rule.before if r then rule.before=pack_normal(r) end - local r=rule.after if r then rule.after=pack_normal(r) end - local r=rule.current if r then rule.current=pack_normal(r) end - end - end - end - end - if features then - sequence.features=pack_normal(features) - end - end - end - if sequences then - packthem(sequences) - end - if sublookups then - packthem(sublookups) - end - if not success(2,pass) then - end - end - for pass=1,2 do - if trace_packing then - report_otf("start packing: stage 3, pass %s",pass) - end - local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed=packers(pass) - local function packthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local features=sequence.features - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format=="kern" then - else - for g1,d1 in next,c do - c[g1]=pack_normal(d1) - end - end - end - end - end - end - end - end - if sequences then - packthem(sequences) - end - if sublookups then - packthem(sublookups) - end - end - end - end -end -local unpacked_mt={ - __index=function(t,k) - t[k]=false - return k - end -} -function readers.unpack(data) - if data then - local tables=data.tables - if tables then - local resources=data.resources - local descriptions=data.descriptions or data.glyphs - local sequences=resources.sequences - local sublookups=resources.sublookups - local features=resources.features - local palettes=resources.colorpalettes - local unpacked={} - setmetatable(unpacked,unpacked_mt) - for unicode,description in next,descriptions do - local tv=tables[description.boundingbox] - if tv then - description.boundingbox=tv - end - local math=description.math - if math then - local kerns=math.kerns - if kerns then - local tm=tables[kerns] - if tm then - math.kerns=tm - kerns=unpacked[tm] - end - if kerns then - for k,kern in next,kerns do - local tv=tables[kern] - if tv then - kerns[k]=tv - end - end - end - end - end - end - local function unpackthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local order=sequence.order - local features=sequence.features - local flags=sequence.flags - local markclass=sequence.markclass - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format=="kern" then - for g1,d1 in next,c do - local tv=tables[d1] - if tv then - c[g1]=tv - end - end - else - for g1,d1 in next,c do - local tv=tables[d1] - if tv then - c[g1]=tv - d1=tv - end - for g2,d2 in next,d1 do - local tv=tables[d2] - if tv then - d1[g2]=tv - d2=tv - end - local f=tables[d2[1]] if f then d2[1]=f end - local s=tables[d2[2]] if s then d2[2]=s end - end - end - end - end - elseif kind=="gpos_single" then - local c=step.coverage - if c then - if step.format=="kern" then - local tv=tables[c] - if tv then - step.coverage=tv - end - else - for g1,d1 in next,c do - local tv=tables[d1] - if tv then - c[g1]=tv - end - end - end - end - elseif kind=="gpos_cursive" then - local c=step.coverage - if c then - for g1,d1 in next,c do - local f=tables[d1[2]] if f then d1[2]=f end - local s=tables[d1[3]] if s then d1[3]=s end - end - end - elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - local tv=tables[d2] - if tv then - d1[g2]=tv - end - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - local tv=tables[d1[2]] - if tv then - d1[2]=tv - end - end - end - elseif kind=="gpos_mark2ligature" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - for g3,d3 in next,d2 do - local tv=tables[d2[g3]] - if tv then - d2[g3]=tv - end - end - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - local tv=tables[d1[2]] - if tv then - d1[2]=tv - end - end - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local before=rule.before - if before then - local tv=tables[before] - if tv then - rule.before=tv - before=tv - end - for i=1,#before do - local tv=tables[before[i]] - if tv then - before[i]=tv - end - end - end - local after=rule.after - if after then - local tv=tables[after] - if tv then - rule.after=tv - after=tv - end - for i=1,#after do - local tv=tables[after[i]] - if tv then - after[i]=tv - end - end - end - local current=rule.current - if current then - local tv=tables[current] - if tv then - rule.current=tv - current=tv - end - for i=1,#current do - local tv=tables[current[i]] - if tv then - current[i]=tv - end - end - end - local lookups=rule.lookups - if lookups then - local tv=tables[lookups] - if tv then - rule.lookups=tv - end - end - local replacements=rule.replacements - if replacements then - local tv=tables[replacements] - if tv then - rule.replacements=tv - end - end - end - end - end - end - if features then - local tv=tables[features] - if tv then - sequence.features=tv - features=tv - end - for script,feature in next,features do - local tv=tables[feature] - if tv then - features[script]=tv - end - end - end - if order then - local tv=tables[order] - if tv then - sequence.order=tv - end - end - if flags then - local tv=tables[flags] - if tv then - sequence.flags=tv - end - end - end - end - if sequences then - unpackthem(sequences) - end - if sublookups then - unpackthem(sublookups) - end - if features then - for k,list in next,features do - for feature,spec in next,list do - local tv=tables[spec] - if tv then - list[feature]=tv - end - end - end - end - if palettes then - for i=1,#palettes do - local p=palettes[i] - for j=1,#p do - local tv=tables[p[j]] - if tv then - p[j]=tv - end - end - end - end - data.tables=nil - end - end -end -local mt={ - __index=function(t,k) - if k=="height" then - local ht=t.boundingbox[4] - return ht<0 and 0 or ht - elseif k=="depth" then - local dp=-t.boundingbox[2] - return dp<0 and 0 or dp - elseif k=="width" then - return 0 - elseif k=="name" then - return forcenotdef and ".notdef" - end - end -} -local function sameformat(sequence,steps,first,nofsteps,kind) - return true -end -local function mergesteps_1(lookup,strict) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - if strict then - local f=first.format - for i=2,nofsteps do - if steps[i].format~=f then - report("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name) - return 0 - end - end - end - report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - local target=first.coverage - for i=2,nofsteps do - for k,v in next,steps[i].coverage do - if not target[k] then - target[k]=v - end - end - end - lookup.nofsteps=1 - lookup.merged=true - lookup.steps={ first } - return nofsteps-1 -end -local function mergesteps_2(lookup,strict) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - if strict then - local f=first.format - for i=2,nofsteps do - if steps[i].format~=f then - report("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name) - return 0 - end - end - end - report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - local target=first.coverage - for i=2,nofsteps do - for k,v in next,steps[i].coverage do - local tk=target[k] - if tk then - for k,v in next,v do - if not tk[k] then - tk[k]=v - end - end - else - target[k]=v - end - end - end - lookup.nofsteps=1 - lookup.steps={ first } - return nofsteps-1 -end -local function mergesteps_3(lookup,strict) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - local baseclasses={} - local coverage={} - local used={} - for i=1,nofsteps do - local offset=i*10 - local step=steps[i] - for k,v in sortedhash(step.baseclasses) do - baseclasses[offset+k]=v - end - for k,v in next,step.coverage do - local tk=coverage[k] - if tk then - for k,v in next,v do - if not tk[k] then - tk[k]=v - local c=offset+v[1] - v[1]=c - if not used[c] then - used[c]=true - end - end - end - else - coverage[k]=v - local c=offset+v[1] - v[1]=c - if not used[c] then - used[c]=true - end - end - end - end - for k,v in next,baseclasses do - if not used[k] then - baseclasses[k]=nil - report("discarding not used baseclass %i",k) - end - end - first.baseclasses=baseclasses - first.coverage=coverage - lookup.nofsteps=1 - lookup.steps={ first } - return nofsteps-1 -end -local function nested(old,new) - for k,v in next,old do - if k=="ligature" then - if not new.ligature then - new.ligature=v - end - else - local n=new[k] - if n then - nested(v,n) - else - new[k]=v - end - end - end -end -local function mergesteps_4(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - report("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - local target=first.coverage - for i=2,nofsteps do - for k,v in next,steps[i].coverage do - local tk=target[k] - if tk then - nested(v,tk) - else - target[k]=v - end - end - end - lookup.nofsteps=1 - lookup.steps={ first } - return nofsteps-1 -end -local function checkkerns(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - for i=1,nofsteps do - local step=steps[i] - if step.format=="pair" then - local coverage=step.coverage - local kerns=true - for g1,d1 in next,coverage do - if d1[1]~=0 or d1[2]~=0 or d1[4]~=0 then - kerns=false - break - end - end - if kerns then - report("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name) - for g1,d1 in next,coverage do - coverage[g1]=d1[3] - end - step.format="kern" - end - end - end -end -local function checkpairs(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local kerned=0 - for i=1,nofsteps do - local step=steps[i] - if step.format=="pair" then - local coverage=step.coverage - local kerns=true - for g1,d1 in next,coverage do - for g2,d2 in next,d1 do - if d2[2] then - kerns=false - break - else - local v=d2[1] - if v[1]~=0 or v[2]~=0 or v[4]~=0 then - kerns=false - break - end - end - end - end - if kerns then - report("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name) - for g1,d1 in next,coverage do - for g2,d2 in next,d1 do - d1[g2]=d2[1][3] - end - end - step.format="kern" - kerned=kerned+1 - end - end - end - return kerned -end -function readers.compact(data) - if not data or data.compacted then - return - else - data.compacted=true - end - local resources=data.resources - local merged=0 - local kerned=0 - local allsteps=0 - local function compact(what) - local lookups=resources[what] - if lookups then - for i=1,#lookups do - local lookup=lookups[i] - local nofsteps=lookup.nofsteps - allsteps=allsteps+nofsteps - if nofsteps>1 then - local kind=lookup.type - if kind=="gsub_single" or kind=="gsub_alternate" or kind=="gsub_multiple" then - merged=merged+mergesteps_1(lookup) - elseif kind=="gsub_ligature" then - merged=merged+mergesteps_4(lookup) - elseif kind=="gpos_single" then - merged=merged+mergesteps_1(lookup,true) - checkkerns(lookup) - elseif kind=="gpos_pair" then - merged=merged+mergesteps_2(lookup,true) - kerned=kerned+checkpairs(lookup) - elseif kind=="gpos_cursive" then - merged=merged+mergesteps_2(lookup) - elseif kind=="gpos_mark2mark" or kind=="gpos_mark2base" or kind=="gpos_mark2ligature" then - merged=merged+mergesteps_3(lookup) - end - end - end - else - report("no lookups in %a",what) - end - end - compact("sequences") - compact("sublookups") - if merged>0 then - report("%i steps of %i removed due to merging",merged,allsteps) - end - if kerned>0 then - report("%i steps of %i steps turned from pairs into kerns",kerned,allsteps) - end -end -function readers.expand(data) - if not data or data.expanded then - return - else - data.expanded=true - end - local resources=data.resources - local sublookups=resources.sublookups - local sequences=resources.sequences - local markclasses=resources.markclasses - local descriptions=data.descriptions - if descriptions then - local defaultwidth=resources.defaultwidth or 0 - local defaultheight=resources.defaultheight or 0 - local defaultdepth=resources.defaultdepth or 0 - local basename=trace_markwidth and file.basename(resources.filename) - for u,d in next,descriptions do - local bb=d.boundingbox - local wd=d.width - if not wd then - d.width=defaultwidth - elseif trace_markwidth and wd~=0 and d.class=="mark" then - report("mark %a with width %b found in %a",d.name or "<noname>",wd,basename) - end - if bb then - local ht=bb[4] - local dp=-bb[2] - if ht==0 or ht<0 then - else - d.height=ht - end - if dp==0 or dp<0 then - else - d.depth=dp - end - end - end - end - local function expandlookups(sequences) - if sequences then - for i=1,#sequences do - local sequence=sequences[i] - local steps=sequence.steps - if steps then - local kind=sequence.type - local markclass=sequence.markclass - if markclass then - if not markclasses then - report_warning("missing markclasses") - sequence.markclass=false - else - sequence.markclass=markclasses[markclass] - end - end - for i=1,sequence.nofsteps do - local step=steps[i] - local baseclasses=step.baseclasses - if baseclasses then - local coverage=step.coverage - for k,v in next,coverage do - v[1]=baseclasses[v[1]] - end - elseif kind=="gpos_cursive" then - local coverage=step.coverage - for k,v in next,coverage do - v[1]=coverage - end - end - local rules=step.rules - if rules then - local rulehash={} - local rulesize=0 - local coverage={} - local lookuptype=sequence.type - step.coverage=coverage - for nofrules=1,#rules do - local rule=rules[nofrules] - local current=rule.current - local before=rule.before - local after=rule.after - local replacements=rule.replacements or false - local sequence={} - local nofsequences=0 - if before then - for n=1,#before do - nofsequences=nofsequences+1 - sequence[nofsequences]=before[n] - end - end - local start=nofsequences+1 - for n=1,#current do - nofsequences=nofsequences+1 - sequence[nofsequences]=current[n] - end - local stop=nofsequences - if after then - for n=1,#after do - nofsequences=nofsequences+1 - sequence[nofsequences]=after[n] - end - end - local lookups=rule.lookups or false - local subtype=nil - if lookups then - for k,v in next,lookups do - local lookup=sublookups[v] - if lookup then - lookups[k]=lookup - if not subtype then - subtype=lookup.type - end - else - end - end - end - if sequence[1] then - rulesize=rulesize+1 - rulehash[rulesize]={ - nofrules, - lookuptype, - sequence, - start, - stop, - lookups, - replacements, - subtype, - } - for unic in next,sequence[start] do - local cu=coverage[unic] - if not cu then - coverage[unic]=rulehash - end - end - end - end - end - end - end - end - end - end - expandlookups(sequences) - expandlookups(sublookups) -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-oup”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otl” 2e7c8d9a331c46826211bd507f8e488a] --- - -if not modules then modules={} end modules ['font-otl']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files", -} -local gmatch,find,match,lower,strip=string.gmatch,string.find,string.match,string.lower,string.strip -local type,next,tonumber,tostring,unpack=type,next,tonumber,tostring,unpack -local abs=math.abs -local derivetable=table.derive -local formatters=string.formatters -local setmetatableindex=table.setmetatableindex -local allocate=utilities.storage.allocate -local registertracker=trackers.register -local registerdirective=directives.register -local starttiming=statistics.starttiming -local stoptiming=statistics.stoptiming -local elapsedtime=statistics.elapsedtime -local findbinfile=resolvers.findbinfile -local trace_loading=false registertracker("otf.loading",function(v) trace_loading=v end) -local trace_features=false registertracker("otf.features",function(v) trace_features=v end) -local trace_defining=false registertracker("fonts.defining",function(v) trace_defining=v end) -local report_otf=logs.reporter("fonts","otf loading") -local fonts=fonts -local otf=fonts.handlers.otf -otf.version=3.027 -otf.cache=containers.define("fonts","otl",otf.version,true) -otf.svgcache=containers.define("fonts","svg",otf.version,true) -otf.pdfcache=containers.define("fonts","pdf",otf.version,true) -otf.svgenabled=false -local otfreaders=otf.readers -local hashes=fonts.hashes -local definers=fonts.definers -local readers=fonts.readers -local constructors=fonts.constructors -local otffeatures=constructors.features.otf -local registerotffeature=otffeatures.register -local otfenhancers=constructors.enhancers.otf -local registerotfenhancer=otfenhancers.register -local forceload=false -local cleanup=0 -local syncspace=true -local forcenotdef=false -local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes -local wildcard="*" -local default="dflt" -local formats=fonts.formats -formats.otf="opentype" -formats.ttf="truetype" -formats.ttc="truetype" -registerdirective("fonts.otf.loader.cleanup",function(v) cleanup=tonumber(v) or (v and 1) or 0 end) -registerdirective("fonts.otf.loader.force",function(v) forceload=v end) -registerdirective("fonts.otf.loader.syncspace",function(v) syncspace=v end) -registerdirective("fonts.otf.loader.forcenotdef",function(v) forcenotdef=v end) -registerotfenhancer("check extra features",function() end) -function otf.load(filename,sub,featurefile) - local featurefile=nil - local base=file.basename(file.removesuffix(filename)) - local name=file.removesuffix(base) - local attr=lfs.attributes(filename) - local size=attr and attr.size or 0 - local time=attr and attr.modification or 0 - if featurefile then - name=name.."@"..file.removesuffix(file.basename(featurefile)) - end - if sub=="" then - sub=false - end - local hash=name - if sub then - hash=hash.."-"..sub - end - hash=containers.cleanname(hash) - local featurefiles - if featurefile then - featurefiles={} - for s in gmatch(featurefile,"[^,]+") do - local name=resolvers.findfile(file.addsuffix(s,'fea'),'fea') or "" - if name=="" then - report_otf("loading error, no featurefile %a",s) - else - local attr=lfs.attributes(name) - featurefiles[#featurefiles+1]={ - name=name, - size=attr and attr.size or 0, - time=attr and attr.modification or 0, - } - end - end - if #featurefiles==0 then - featurefiles=nil - end - end - local data=containers.read(otf.cache,hash) - local reload=not data or data.size~=size or data.time~=time or data.tableversion~=otfreaders.tableversion - if forceload then - report_otf("forced reload of %a due to hard coded flag",filename) - reload=true - end - if reload then - report_otf("loading %a, hash %a",filename,hash) - starttiming(otfreaders) - data=otfreaders.loadfont(filename,sub or 1) - if data then - local resources=data.resources - local svgshapes=resources.svgshapes - if svgshapes then - resources.svgshapes=nil - if otf.svgenabled then - local timestamp=os.date() - containers.write(otf.svgcache,hash,{ - svgshapes=svgshapes, - timestamp=timestamp, - }) - data.properties.svg={ - hash=hash, - timestamp=timestamp, - } - end - end - otfreaders.compact(data) - otfreaders.rehash(data,"unicodes") - otfreaders.addunicodetable(data) - otfreaders.extend(data) - otfreaders.pack(data) - report_otf("loading done") - report_otf("saving %a in cache",filename) - data=containers.write(otf.cache,hash,data) - if cleanup>1 then - collectgarbage("collect") - end - stoptiming(otfreaders) - if elapsedtime then - report_otf("loading, optimizing, packing and caching time %s",elapsedtime(otfreaders)) - end - if cleanup>3 then - collectgarbage("collect") - end - data=containers.read(otf.cache,hash) - if cleanup>2 then - collectgarbage("collect") - end - else - data=nil - report_otf("loading failed due to read error") - end - end - if data then - if trace_defining then - report_otf("loading from cache using hash %a",hash) - end - otfreaders.unpack(data) - otfreaders.expand(data) - otfreaders.addunicodetable(data) - otfenhancers.apply(data,filename,data) - if applyruntimefixes then - applyruntimefixes(filename,data) - end - data.metadata.math=data.resources.mathconstants - end - return data -end -function otf.setfeatures(tfmdata,features) - local okay=constructors.initializefeatures("otf",tfmdata,features,trace_features,report_otf) - if okay then - return constructors.collectprocessors("otf",tfmdata,features,trace_features,report_otf) - else - return {} - end -end -local function copytotfm(data,cache_id) - if data then - local metadata=data.metadata - local properties=derivetable(data.properties) - local descriptions=derivetable(data.descriptions) - local goodies=derivetable(data.goodies) - local characters={} - local parameters={} - local mathparameters={} - local resources=data.resources - local unicodes=resources.unicodes - local spaceunits=500 - local spacer="space" - local designsize=metadata.designsize or 100 - local minsize=metadata.minsize or designsize - local maxsize=metadata.maxsize or designsize - local mathspecs=metadata.math - if designsize==0 then - designsize=100 - minsize=100 - maxsize=100 - end - if mathspecs then - for name,value in next,mathspecs do - mathparameters[name]=value - end - end - for unicode in next,data.descriptions do - characters[unicode]={} - end - if mathspecs then - for unicode,character in next,characters do - local d=descriptions[unicode] - local m=d.math - if m then - local italic=m.italic - local vitalic=m.vitalic - local variants=m.hvariants - local parts=m.hparts - if variants then - local c=character - for i=1,#variants do - local un=variants[i] - c.next=un - c=characters[un] - end - c.horiz_variants=parts - elseif parts then - character.horiz_variants=parts - italic=m.hitalic - end - local variants=m.vvariants - local parts=m.vparts - if variants then - local c=character - for i=1,#variants do - local un=variants[i] - c.next=un - c=characters[un] - end - c.vert_variants=parts - elseif parts then - character.vert_variants=parts - end - if italic and italic~=0 then - character.italic=italic - end - if vitalic and vitalic~=0 then - character.vert_italic=vitalic - end - local accent=m.accent - if accent then - character.accent=accent - end - local kerns=m.kerns - if kerns then - character.mathkerns=kerns - end - end - end - end - local filename=constructors.checkedfilename(resources) - local fontname=metadata.fontname - local fullname=metadata.fullname or fontname - local psname=fontname or fullname - local units=metadata.units or 1000 - if units==0 then - units=1000 - metadata.units=1000 - report_otf("changing %a units to %a",0,units) - end - local monospaced=metadata.monospaced - local charwidth=metadata.averagewidth - local charxheight=metadata.xheight - local italicangle=metadata.italicangle - local hasitalics=metadata.hasitalics - properties.monospaced=monospaced - properties.hasitalics=hasitalics - parameters.italicangle=italicangle - parameters.charwidth=charwidth - parameters.charxheight=charxheight - local space=0x0020 - local emdash=0x2014 - if monospaced then - if descriptions[space] then - spaceunits,spacer=descriptions[space].width,"space" - end - if not spaceunits and descriptions[emdash] then - spaceunits,spacer=descriptions[emdash].width,"emdash" - end - if not spaceunits and charwidth then - spaceunits,spacer=charwidth,"charwidth" - end - else - if descriptions[space] then - spaceunits,spacer=descriptions[space].width,"space" - end - if not spaceunits and descriptions[emdash] then - spaceunits,spacer=descriptions[emdash].width/2,"emdash/2" - end - if not spaceunits and charwidth then - spaceunits,spacer=charwidth,"charwidth" - end - end - spaceunits=tonumber(spaceunits) or units/2 - parameters.slant=0 - parameters.space=spaceunits - parameters.space_stretch=1*units/2 - parameters.space_shrink=1*units/3 - parameters.x_height=2*units/5 - parameters.quad=units - if spaceunits<2*units/5 then - end - if italicangle and italicangle~=0 then - parameters.italicangle=italicangle - parameters.italicfactor=math.cos(math.rad(90+italicangle)) - parameters.slant=- math.tan(italicangle*math.pi/180) - end - if monospaced then - parameters.space_stretch=0 - parameters.space_shrink=0 - elseif syncspace then - parameters.space_stretch=spaceunits/2 - parameters.space_shrink=spaceunits/3 - end - parameters.extra_space=parameters.space_shrink - if charxheight then - parameters.x_height=charxheight - else - local x=0x0078 - if x then - local x=descriptions[x] - if x then - parameters.x_height=x.height - end - end - end - parameters.designsize=(designsize/10)*65536 - parameters.minsize=(minsize/10)*65536 - parameters.maxsize=(maxsize/10)*65536 - parameters.ascender=abs(metadata.ascender or 0) - parameters.descender=abs(metadata.descender or 0) - parameters.units=units - properties.space=spacer - properties.encodingbytes=2 - properties.format=data.format or formats.otf - properties.noglyphnames=true - properties.filename=filename - properties.fontname=fontname - properties.fullname=fullname - properties.psname=psname - properties.name=filename or fullname - return { - characters=characters, - descriptions=descriptions, - parameters=parameters, - mathparameters=mathparameters, - resources=resources, - properties=properties, - goodies=goodies, - } - end -end -local converters={ - woff={ - cachename="webfonts", - action=otf.readers.woff2otf, - } -} -local function checkconversion(specification) - local filename=specification.filename - local converter=converters[lower(file.suffix(filename))] - if converter then - local base=file.basename(filename) - local name=file.removesuffix(base) - local attr=lfs.attributes(filename) - local size=attr and attr.size or 0 - local time=attr and attr.modification or 0 - if size>0 then - local cleanname=containers.cleanname(name) - local cachename=caches.setfirstwritablefile(cleanname,converter.cachename) - if not io.exists(cachename) or (time~=lfs.attributes(cachename).modification) then - report_otf("caching font %a in %a",filename,cachename) - converter.action(filename,cachename) - lfs.touch(cachename,time,time) - end - specification.filename=cachename - end - end -end -local function otftotfm(specification) - local cache_id=specification.hash - local tfmdata=containers.read(constructors.cache,cache_id) - if not tfmdata then - checkconversion(specification) - local name=specification.name - local sub=specification.sub - local subindex=specification.subindex - local filename=specification.filename - local features=specification.features.normal - local rawdata=otf.load(filename,sub,features and features.featurefile) - if rawdata and next(rawdata) then - local descriptions=rawdata.descriptions - rawdata.lookuphash={} - tfmdata=copytotfm(rawdata,cache_id) - if tfmdata and next(tfmdata) then - local features=constructors.checkedfeatures("otf",features) - local shared=tfmdata.shared - if not shared then - shared={} - tfmdata.shared=shared - end - shared.rawdata=rawdata - shared.dynamics={} - tfmdata.changed={} - shared.features=features - shared.processes=otf.setfeatures(tfmdata,features) - end - end - containers.write(constructors.cache,cache_id,tfmdata) - end - return tfmdata -end -local function read_from_otf(specification) - local tfmdata=otftotfm(specification) - if tfmdata then - tfmdata.properties.name=specification.name - tfmdata.properties.sub=specification.sub - tfmdata=constructors.scale(tfmdata,specification) - local allfeatures=tfmdata.shared.features or specification.features.normal - constructors.applymanipulators("otf",tfmdata,allfeatures,trace_features,report_otf) - constructors.setname(tfmdata,specification) - fonts.loggers.register(tfmdata,file.suffix(specification.filename),specification) - end - return tfmdata -end -local function checkmathsize(tfmdata,mathsize) - local mathdata=tfmdata.shared.rawdata.metadata.math - local mathsize=tonumber(mathsize) - if mathdata then - local parameters=tfmdata.parameters - parameters.scriptpercentage=mathdata.ScriptPercentScaleDown - parameters.scriptscriptpercentage=mathdata.ScriptScriptPercentScaleDown - parameters.mathsize=mathsize - end -end -registerotffeature { - name="mathsize", - description="apply mathsize specified in the font", - initializers={ - base=checkmathsize, - node=checkmathsize, - } -} -function otf.collectlookups(rawdata,kind,script,language) - if not kind then - return - end - if not script then - script=default - end - if not language then - language=default - end - local lookupcache=rawdata.lookupcache - if not lookupcache then - lookupcache={} - rawdata.lookupcache=lookupcache - end - local kindlookup=lookupcache[kind] - if not kindlookup then - kindlookup={} - lookupcache[kind]=kindlookup - end - local scriptlookup=kindlookup[script] - if not scriptlookup then - scriptlookup={} - kindlookup[script]=scriptlookup - end - local languagelookup=scriptlookup[language] - if not languagelookup then - local sequences=rawdata.resources.sequences - local featuremap={} - local featurelist={} - if sequences then - for s=1,#sequences do - local sequence=sequences[s] - local features=sequence.features - if features then - features=features[kind] - if features then - features=features[script] or features[wildcard] - if features then - features=features[language] or features[wildcard] - if features then - if not featuremap[sequence] then - featuremap[sequence]=true - featurelist[#featurelist+1]=sequence - end - end - end - end - end - end - if #featurelist==0 then - featuremap,featurelist=false,false - end - else - featuremap,featurelist=false,false - end - languagelookup={ featuremap,featurelist } - scriptlookup[language]=languagelookup - end - return unpack(languagelookup) -end -local function getgsub(tfmdata,k,kind,value) - local shared=tfmdata.shared - local rawdata=shared and shared.rawdata - if rawdata then - local sequences=rawdata.resources.sequences - if sequences then - local properties=tfmdata.properties - local validlookups,lookuplist=otf.collectlookups(rawdata,kind,properties.script,properties.language) - if validlookups then - for i=1,#lookuplist do - local lookup=lookuplist[i] - local steps=lookup.steps - local nofsteps=lookup.nofsteps - for i=1,nofsteps do - local coverage=steps[i].coverage - if coverage then - local found=coverage[k] - if found then - return found,lookup.type - end - end - end - end - end - end - end -end -otf.getgsub=getgsub -function otf.getsubstitution(tfmdata,k,kind,value) - local found,kind=getgsub(tfmdata,k,kind,value) - if not found then - elseif kind=="gsub_single" then - return found - elseif kind=="gsub_alternate" then - local choice=tonumber(value) or 1 - return found[choice] or found[1] or k - end - return k -end -otf.getalternate=otf.getsubstitution -function otf.getmultiple(tfmdata,k,kind) - local found,kind=getgsub(tfmdata,k,kind) - if found and kind=="gsub_multiple" then - return found - end - return { k } -end -function otf.getkern(tfmdata,left,right,kind) - local kerns=getgsub(tfmdata,left,kind or "kern",true) - if kerns then - local found=kerns[right] - local kind=type(found) - if kind=="table" then - found=found[1][3] - elseif kind~="number" then - found=false - end - if found then - return found*tfmdata.parameters.factor - end - end - return 0 -end -local function check_otf(forced,specification,suffix) - local name=specification.name - if forced then - name=specification.forcedname - end - local fullname=findbinfile(name,suffix) or "" - if fullname=="" then - fullname=fonts.names.getfilename(name,suffix) or "" - end - if fullname~="" and not fonts.names.ignoredfile(fullname) then - specification.filename=fullname - return read_from_otf(specification) - end -end -local function opentypereader(specification,suffix) - local forced=specification.forced or "" - if formats[forced] then - return check_otf(true,specification,forced) - else - return check_otf(false,specification,suffix) - end -end -readers.opentype=opentypereader -function readers.otf(specification) return opentypereader(specification,"otf") end -function readers.ttf(specification) return opentypereader(specification,"ttf") end -function readers.ttc(specification) return opentypereader(specification,"ttf") end -function readers.woff(specification) - checkconversion(specification) - opentypereader(specification,"") -end -function otf.scriptandlanguage(tfmdata,attr) - local properties=tfmdata.properties - return properties.script or "dflt",properties.language or "dflt" -end -local function justset(coverage,unicode,replacement) - coverage[unicode]=replacement -end -otf.coverup={ - stepkey="steps", - actions={ - chainsubstitution=justset, - chainposition=justset, - substitution=justset, - alternate=justset, - multiple=justset, - kern=justset, - pair=justset, - ligature=function(coverage,unicode,ligature) - local first=ligature[1] - local tree=coverage[first] - if not tree then - tree={} - coverage[first]=tree - end - for i=2,#ligature do - local l=ligature[i] - local t=tree[l] - if not t then - t={} - tree[l]=t - end - tree=t - end - tree.ligature=unicode - end, - }, - register=function(coverage,featuretype,format) - return { - format=format, - coverage=coverage, - } - end -} - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otl”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-oto” 5fbdd899624d4eef639f81b580afe9aa] --- - -if not modules then modules = { } end modules ['font-oto'] = { -- original tex - version = 1.001, - comment = "companion to font-ini.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local concat, unpack = table.concat, table.unpack -local insert, remove = table.insert, table.remove -local format, gmatch, gsub, find, match, lower, strip = string.format, string.gmatch, string.gsub, string.find, string.match, string.lower, string.strip -local type, next, tonumber, tostring, rawget = type, next, tonumber, tostring, rawget - -local trace_baseinit = false trackers.register("otf.baseinit", function(v) trace_baseinit = v end) -local trace_singles = false trackers.register("otf.singles", function(v) trace_singles = v end) -local trace_multiples = false trackers.register("otf.multiples", function(v) trace_multiples = v end) -local trace_alternatives = false trackers.register("otf.alternatives", function(v) trace_alternatives = v end) -local trace_ligatures = false trackers.register("otf.ligatures", function(v) trace_ligatures = v end) ------ trace_ligatures_detail = false trackers.register("otf.ligatures.detail", function(v) trace_ligatures_detail = v end) -local trace_kerns = false trackers.register("otf.kerns", function(v) trace_kerns = v end) -local trace_preparing = false trackers.register("otf.preparing", function(v) trace_preparing = v end) - -local report_prepare = logs.reporter("fonts","otf prepare") - -local fonts = fonts -local otf = fonts.handlers.otf - -local otffeatures = otf.features -local registerotffeature = otffeatures.register - -otf.defaultbasealternate = "none" -- first last - -local wildcard = "*" -local default = "dflt" - -local formatters = string.formatters -local f_unicode = formatters["%U"] -local f_uniname = formatters["%U (%s)"] -local f_unilist = formatters["% t (% t)"] - -local function gref(descriptions,n) - if type(n) == "number" then - local name = descriptions[n].name - if name then - return f_uniname(n,name) - else - return f_unicode(n) - end - elseif n then - local num, nam, j = { }, { }, 0 - for i=1,#n do - local ni = n[i] - if tonumber(ni) then -- first is likely a key - j = j + 1 - local di = descriptions[ni] - num[j] = f_unicode(ni) - nam[j] = di and di.name or "-" - end - end - return f_unilist(num,nam) - else - return "<error in base mode tracing>" - end -end - -local function cref(feature,sequence) - return formatters["feature %a, type %a, chain lookup %a"](feature,sequence.type,sequence.name) -end - -local function report_substitution(feature,sequence,descriptions,unicode,substitution) - if unicode == substitution then - report_prepare("%s: base substitution %s maps onto itself", - cref(feature,sequence), - gref(descriptions,unicode)) - else - report_prepare("%s: base substitution %s => %S", - cref(feature,sequence), - gref(descriptions,unicode), - gref(descriptions,substitution)) - end -end - -local function report_alternate(feature,sequence,descriptions,unicode,replacement,value,comment) - if unicode == replacement then - report_prepare("%s: base alternate %s maps onto itself", - cref(feature,sequence), - gref(descriptions,unicode)) - else - report_prepare("%s: base alternate %s => %s (%S => %S)", - cref(feature,sequence), - gref(descriptions,unicode), - replacement and gref(descriptions,replacement), - value, - comment) - end -end - -local function report_ligature(feature,sequence,descriptions,unicode,ligature) - report_prepare("%s: base ligature %s => %S", - cref(feature,sequence), - gref(descriptions,ligature), - gref(descriptions,unicode)) -end - -local function report_kern(feature,sequence,descriptions,unicode,otherunicode,value) - report_prepare("%s: base kern %s + %s => %S", - cref(feature,sequence), - gref(descriptions,unicode), - gref(descriptions,otherunicode), - value) -end - --- We need to make sure that luatex sees the difference between base fonts that have --- different glyphs in the same slots in fonts that have the same fullname (or filename). --- LuaTeX will merge fonts eventually (and subset later on). If needed we can use a more --- verbose name as long as we don't use <()<>[]{}/%> and the length is < 128. - -local basehash, basehashes, applied = { }, 1, { } - -local function registerbasehash(tfmdata) - local properties = tfmdata.properties - local hash = concat(applied," ") - local base = basehash[hash] - if not base then - basehashes = basehashes + 1 - base = basehashes - basehash[hash] = base - end - properties.basehash = base - properties.fullname = (properties.fullname or properties.name) .. "-" .. base - -- report_prepare("fullname base hash '%a, featureset %a",tfmdata.properties.fullname,hash) - applied = { } -end - -local function registerbasefeature(feature,value) - applied[#applied+1] = feature .. "=" .. tostring(value) -end - --- The original basemode ligature builder used the names of components and did some expression --- juggling to get the chain right. The current variant starts with unicodes but still uses --- names to make the chain. This is needed because we have to create intermediates when needed --- but use predefined snippets when available. To some extend the current builder is more stupid --- but I don't worry that much about it as ligatures are rather predicatable. --- --- Personally I think that an ff + i == ffi rule as used in for instance latin modern is pretty --- weird as no sane person will key that in and expect a glyph for that ligature plus the following --- character. Anyhow, as we need to deal with this, we do, but no guarantes are given. --- --- latin modern dejavu --- --- f+f 102 102 102 102 --- f+i 102 105 102 105 --- f+l 102 108 102 108 --- f+f+i 102 102 105 --- f+f+l 102 102 108 102 102 108 --- ff+i 64256 105 64256 105 --- ff+l 64256 108 --- --- As you can see here, latin modern is less complete than dejavu but --- in practice one will not notice it. --- --- The while loop is needed because we need to resolve for instance pseudo names like --- hyphen_hyphen to endash so in practice we end up with a bit too many definitions but the --- overhead is neglectable. We can have changed[first] or changed[second] but it quickly becomes --- messy if we need to take that into account. - -local function makefake(tfmdata,name,present) - local resources = tfmdata.resources - local private = resources.private - local character = { intermediate = true, ligatures = { } } - resources.unicodes[name] = private - tfmdata.characters[private] = character - tfmdata.descriptions[private] = { name = name } - resources.private = private + 1 - present[name] = private - return character -end - -local function make_1(present,tree,name) - for k, v in next, tree do - if k == "ligature" then - present[name] = v - else - make_1(present,v,name .. "_" .. k) - end - end -end - -local function make_2(present,tfmdata,characters,tree,name,preceding,unicode,done) - for k, v in next, tree do - if k == "ligature" then - local character = characters[preceding] - if not character then - if trace_baseinit then - report_prepare("weird ligature in lookup %a, current %C, preceding %C",sequence.name,v,preceding) - end - character = makefake(tfmdata,name,present) - end - local ligatures = character.ligatures - if ligatures then - ligatures[unicode] = { char = v } - else - character.ligatures = { [unicode] = { char = v } } - end - if done then - local d = done[name] - if not d then - done[name] = { "dummy", v } - else - d[#d+1] = v - end - end - else - local code = present[name] or unicode - local name = name .. "_" .. k - make_2(present,tfmdata,characters,v,name,code,k,done) - end - end -end - -local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplist) - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local resources = tfmdata.resources - local changed = tfmdata.changed - - local ligatures = { } - local alternate = tonumber(value) or true and 1 - local defaultalt = otf.defaultbasealternate - - local trace_singles = trace_baseinit and trace_singles - local trace_alternatives = trace_baseinit and trace_alternatives - local trace_ligatures = trace_baseinit and trace_ligatures - - -- A chain of changes is handled in font-con which is clesner because - -- we can have shared changes and such. - - if not changed then - changed = { } - tfmdata.changed = changed - end - - for i=1,#lookuplist do - local sequence = lookuplist[i] - local steps = sequence.steps - local kind = sequence.type - if kind == "gsub_single" then - for i=1,#steps do - for unicode, data in next, steps[i].coverage do - if unicode ~= data then - changed[unicode] = data - end - if trace_singles then - report_substitution(feature,sequence,descriptions,unicode,data) - end - end - end - elseif kind == "gsub_alternate" then - for i=1,#steps do - for unicode, data in next, steps[i].coverage do - local replacement = data[alternate] - if replacement then - if unicode ~= replacement then - changed[unicode] = replacement - end - if trace_alternatives then - report_alternate(feature,sequence,descriptions,unicode,replacement,value,"normal") - end - elseif defaultalt == "first" then - replacement = data[1] - if unicode ~= replacement then - changed[unicode] = replacement - end - if trace_alternatives then - report_alternate(feature,sequence,descriptions,unicode,replacement,value,defaultalt) - end - elseif defaultalt == "last" then - replacement = data[#data] - if unicode ~= replacement then - changed[unicode] = replacement - end - if trace_alternatives then - report_alternate(feature,sequence,descriptions,unicode,replacement,value,defaultalt) - end - else - if trace_alternatives then - report_alternate(feature,sequence,descriptions,unicode,replacement,value,"unknown") - end - end - end - end - elseif kind == "gsub_ligature" then - for i=1,#steps do - for unicode, data in next, steps[i].coverage do - ligatures[#ligatures+1] = { unicode, data, "" } -- lookupname } - if trace_ligatures then - report_ligature(feature,sequence,descriptions,unicode,data) - end - end - end - end - end - - local nofligatures = #ligatures - - if nofligatures > 0 then - - local characters = tfmdata.characters - local present = { } - local done = trace_baseinit and trace_ligatures and { } - - for i=1,nofligatures do - local ligature = ligatures[i] - local unicode, tree = ligature[1], ligature[2] - make_1(present,tree,"ctx_"..unicode) - end - - for i=1,nofligatures do - local ligature = ligatures[i] - local unicode, tree, lookupname = ligature[1], ligature[2], ligature[3] - make_2(present,tfmdata,characters,tree,"ctx_"..unicode,unicode,unicode,done,sequence) - end - - end - -end - -local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist) - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local resources = tfmdata.resources - local properties = tfmdata.properties - local traceindeed = trace_baseinit and trace_kerns - -- check out this sharedkerns trickery - for i=1,#lookuplist do - local sequence = lookuplist[i] - local steps = sequence.steps - local kind = sequence.type - local format = sequence.format - if kind == "gpos_pair" then - for i=1,#steps do - local step = steps[i] - if step.format == "kern" then - for unicode, data in next, steps[i].coverage do - local character = characters[unicode] - local kerns = character.kerns - if not kerns then - kerns = { } - character.kerns = kerns - end - if traceindeed then - for otherunicode, kern in next, data do - if not kerns[otherunicode] and kern ~= 0 then - kerns[otherunicode] = kern - report_kern(feature,sequence,descriptions,unicode,otherunicode,kern) - end - end - else - for otherunicode, kern in next, data do - if not kerns[otherunicode] and kern ~= 0 then - kerns[otherunicode] = kern - end - end - end - end - else - for unicode, data in next, steps[i].coverage do - local character = characters[unicode] - local kerns = character.kerns - for otherunicode, kern in next, data do - if not kern[2] and not (kerns and kerns[otherunicode]) then - local kern = kern[1] - if kern[1] ~= 0 or kern[2] ~= 0 or kern[4] ~= 0 then - -- a complex pair not suitable for basemode - else - kern = kern[3] - if kern ~= 0 then - if kerns then - kerns[otherunicode] = kern - else - kerns = { [otherunicode] = kern } - character.kerns = kerns - end - if traceindeed then - report_kern(feature,sequence,descriptions,unicode,otherunicode,kern) - end - end - end - end - end - end - end - end - end - end - -end - -local function initializehashes(tfmdata) - -- already done -end - -local function checkmathreplacements(tfmdata,fullname) - if tfmdata.mathparameters then - local characters = tfmdata.characters - local changed = tfmdata.changed - if next(changed) then - if trace_preparing or trace_baseinit then - report_prepare("checking math replacements for %a",fullname) - end - for unicode, replacement in next, changed do - local u = characters[unicode] - local r = characters[replacement] - local n = u.next - local v = u.vert_variants - local h = u.horiz_variants - if n and not r.next then - if trace_preparing then - report_prepare("forcing %s for %C substituted by %U","incremental step",unicode,replacement) - end - r.next = n - end - if v and not r.vert_variants then - if trace_preparing then - report_prepare("forcing %s for %C substituted by %U","vertical variants",unicode,replacement) - end - r.vert_variants = v - end - if h and not r.horiz_variants then - if trace_preparing then - report_prepare("forcing %s for %C substituted by %U","horizontal variants",unicode,replacement) - end - r.horiz_variants = h - end - end - end - end -end - -local function featuresinitializer(tfmdata,value) - if true then -- value then - local starttime = trace_preparing and os.clock() - local features = tfmdata.shared.features - local fullname = tfmdata.properties.fullname or "?" - if features then - initializehashes(tfmdata) - local collectlookups = otf.collectlookups - local rawdata = tfmdata.shared.rawdata - local properties = tfmdata.properties - local script = properties.script - local language = properties.language - local rawresources = rawdata.resources - local rawfeatures = rawresources and rawresources.features - local basesubstitutions = rawfeatures and rawfeatures.gsub - local basepositionings = rawfeatures and rawfeatures.gpos - local substitutionsdone = false - local positioningsdone = false - -- - if basesubstitutions or basepositionings then - local sequences = tfmdata.resources.sequences - for s=1,#sequences do - local sequence = sequences[s] - local sfeatures = sequence.features - if sfeatures then - local order = sequence.order - if order then - for i=1,#order do -- - local feature = order[i] - local value = features[feature] - if value then - local validlookups, lookuplist = collectlookups(rawdata,feature,script,language) - if not validlookups then - -- skip - elseif basesubstitutions and basesubstitutions[feature] then - if trace_preparing then - report_prepare("filtering base %s feature %a for %a with value %a","sub",feature,fullname,value) - end - preparesubstitutions(tfmdata,feature,value,validlookups,lookuplist) - registerbasefeature(feature,value) - substitutionsdone = true - elseif basepositionings and basepositionings[feature] then - if trace_preparing then - report_prepare("filtering base %a feature %a for %a with value %a","pos",feature,fullname,value) - end - preparepositionings(tfmdata,feature,value,validlookups,lookuplist) - registerbasefeature(feature,value) - positioningsdone = true - end - end - end - end - end - end - end - -- - if substitutionsdone then - checkmathreplacements(tfmdata,fullname) - end - -- - registerbasehash(tfmdata) - end - if trace_preparing then - report_prepare("preparation time is %0.3f seconds for %a",os.clock()-starttime,fullname) - end - end -end - -registerotffeature { - name = "features", - description = "features", - default = true, - initializers = { - -- position = 1, -- after setscript (temp hack ... we need to force script / language to 1 - base = featuresinitializer, - } -} - -otf.basemodeinitializer = featuresinitializer - - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-oto”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otj” 5ea70db9f1990dc1459425853c79f663] --- - -if not modules then modules={} end modules ['font-otj']={ - version=1.001, - comment="companion to font-lib.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files", -} -if not nodes.properties then return end -local next,rawget=next,rawget -local fastcopy=table.fastcopy -local registertracker=trackers.register -local trace_injections=false registertracker("fonts.injections",function(v) trace_injections=v end) -local trace_marks=false registertracker("fonts.injections.marks",function(v) trace_marks=v end) -local trace_cursive=false registertracker("fonts.injections.cursive",function(v) trace_cursive=v end) -local trace_spaces=false registertracker("fonts.injections.spaces",function(v) trace_spaces=v end) -local use_advance=false directives.register("fonts.injections.advance",function(v) use_advance=v end) -local report_injections=logs.reporter("fonts","injections") -local report_spaces=logs.reporter("fonts","spaces") -local attributes,nodes,node=attributes,nodes,node -fonts=fonts -local hashes=fonts.hashes -local fontdata=hashes.identifiers -nodes.injections=nodes.injections or {} -local injections=nodes.injections -local tracers=nodes.tracers -local setcolor=tracers and tracers.colors.set -local resetcolor=tracers and tracers.colors.reset -local nodecodes=nodes.nodecodes -local glyph_code=nodecodes.glyph -local disc_code=nodecodes.disc -local kern_code=nodecodes.kern -local glue_code=nodecodes.glue -local nuts=nodes.nuts -local nodepool=nuts.pool -local newkern=nodepool.kern -local tonode=nuts.tonode -local tonut=nuts.tonut -local getfield=nuts.getfield -local setfield=nuts.setfield -local getnext=nuts.getnext -local getprev=nuts.getprev -local getid=nuts.getid -local getfont=nuts.getfont -local getsubtype=nuts.getsubtype -local getchar=nuts.getchar -local getboth=nuts.getboth -local ischar=nuts.is_char -local getdisc=nuts.getdisc -local setdisc=nuts.setdisc -local traverse_id=nuts.traverse_id -local traverse_char=nuts.traverse_char -local insert_node_before=nuts.insert_before -local insert_node_after=nuts.insert_after -local properties=nodes.properties.data -function injections.installnewkern(nk) - newkern=nk or newkern -end -local nofregisteredkerns=0 -local nofregisteredpairs=0 -local nofregisteredmarks=0 -local nofregisteredcursives=0 -local keepregisteredcounts=false -function injections.keepcounts() - keepregisteredcounts=true -end -function injections.resetcounts() - nofregisteredkerns=0 - nofregisteredpairs=0 - nofregisteredmarks=0 - nofregisteredcursives=0 - keepregisteredcounts=false -end -function injections.reset(n) - local p=rawget(properties,n) - if p then - p.injections=false - else - properties[n]=false - end -end -function injections.copy(target,source) - local sp=rawget(properties,source) - if sp then - local tp=rawget(properties,target) - local si=sp.injections - if si then - si=fastcopy(si) - if tp then - tp.injections=si - else - propertydata[target]={ - injections=si, - } - end - elseif tp then - tp.injections=false - else - properties[target]={ injections={} } - end - else - local tp=rawget(properties,target) - if tp then - tp.injections=false - else - properties[target]=false - end - end -end -function injections.setligaindex(n,index) - local p=rawget(properties,n) - if p then - local i=p.injections - if i then - i.ligaindex=index - else - p.injections={ - ligaindex=index - } - end - else - properties[n]={ - injections={ - ligaindex=index - } - } - end -end -function injections.getligaindex(n,default) - local p=rawget(properties,n) - if p then - local i=p.injections - if i then - return i.ligaindex or default - end - end - return default -end -function injections.setcursive(start,nxt,factor,rlmode,exit,entry,tfmstart,tfmnext) - local dx=factor*(exit[1]-entry[1]) - local dy=-factor*(exit[2]-entry[2]) - local ws=tfmstart.width - local wn=tfmnext.width - nofregisteredcursives=nofregisteredcursives+1 - if rlmode<0 then - dx=-(dx+wn) - else - dx=dx-ws - end - if dx==0 then - dx=0 - end - local p=rawget(properties,start) - if p then - local i=p.injections - if i then - i.cursiveanchor=true - else - p.injections={ - cursiveanchor=true, - } - end - else - properties[start]={ - injections={ - cursiveanchor=true, - }, - } - end - local p=rawget(properties,nxt) - if p then - local i=p.injections - if i then - i.cursivex=dx - i.cursivey=dy - else - p.injections={ - cursivex=dx, - cursivey=dy, - } - end - else - properties[nxt]={ - injections={ - cursivex=dx, - cursivey=dy, - }, - } - end - return dx,dy,nofregisteredcursives -end -function injections.setpair(current,factor,rlmode,r2lflag,spec,injection) - local x=factor*spec[1] - local y=factor*spec[2] - local w=factor*spec[3] - local h=factor*spec[4] - if x~=0 or w~=0 or y~=0 or h~=0 then - local yoffset=y-h - local leftkern=x - local rightkern=w-x - if leftkern~=0 or rightkern~=0 or yoffset~=0 then - nofregisteredpairs=nofregisteredpairs+1 - if rlmode and rlmode<0 then - leftkern,rightkern=rightkern,leftkern - end - if not injection then - injection="injections" - end - local p=rawget(properties,current) - if p then - local i=rawget(p,injection) - if i then - if leftkern~=0 then - i.leftkern=(i.leftkern or 0)+leftkern - end - if rightkern~=0 then - i.rightkern=(i.rightkern or 0)+rightkern - end - if yoffset~=0 then - i.yoffset=(i.yoffset or 0)+yoffset - end - elseif leftkern~=0 or rightkern~=0 then - p[injection]={ - leftkern=leftkern, - rightkern=rightkern, - yoffset=yoffset, - } - else - p[injection]={ - yoffset=yoffset, - } - end - elseif leftkern~=0 or rightkern~=0 then - properties[current]={ - [injection]={ - leftkern=leftkern, - rightkern=rightkern, - yoffset=yoffset, - }, - } - else - properties[current]={ - [injection]={ - yoffset=yoffset, - }, - } - end - return x,y,w,h,nofregisteredpairs - end - end - return x,y,w,h -end -function injections.setkern(current,factor,rlmode,x,injection) - local dx=factor*x - if dx~=0 then - nofregisteredkerns=nofregisteredkerns+1 - local p=rawget(properties,current) - if not injection then - injection="injections" - end - if p then - local i=rawget(p,injection) - if i then - i.leftkern=dx+(i.leftkern or 0) - else - p[injection]={ - leftkern=dx, - } - end - else - properties[current]={ - [injection]={ - leftkern=dx, - }, - } - end - return dx,nofregisteredkerns - else - return 0,0 - end -end -function injections.setmark(start,base,factor,rlmode,ba,ma,tfmbase,mkmk,checkmark) - local dx,dy=factor*(ba[1]-ma[1]),factor*(ba[2]-ma[2]) - nofregisteredmarks=nofregisteredmarks+1 - if rlmode>=0 then - dx=tfmbase.width-dx - end - local p=rawget(properties,start) - if p then - local i=p.injections - if i then - if i.markmark then - else - i.markx=dx - i.marky=dy - i.markdir=rlmode or 0 - i.markbase=nofregisteredmarks - i.markbasenode=base - i.markmark=mkmk - i.checkmark=checkmark - end - else - p.injections={ - markx=dx, - marky=dy, - markdir=rlmode or 0, - markbase=nofregisteredmarks, - markbasenode=base, - markmark=mkmk, - checkmark=checkmark, - } - end - else - properties[start]={ - injections={ - markx=dx, - marky=dy, - markdir=rlmode or 0, - markbase=nofregisteredmarks, - markbasenode=base, - markmark=mkmk, - checkmark=checkmark, - }, - } - end - return dx,dy,nofregisteredmarks -end -local function dir(n) - return (n and n<0 and "r-to-l") or (n and n>0 and "l-to-r") or "unset" -end -local function showchar(n,nested) - local char=getchar(n) - report_injections("%wfont %s, char %U, glyph %c",nested and 2 or 0,getfont(n),char,char) -end -local function show(n,what,nested,symbol) - if n then - local p=rawget(properties,n) - if p then - local i=rawget(p,what) - if i then - local leftkern=i.leftkern or 0 - local rightkern=i.rightkern or 0 - local yoffset=i.yoffset or 0 - local markx=i.markx or 0 - local marky=i.marky or 0 - local markdir=i.markdir or 0 - local markbase=i.markbase or 0 - local cursivex=i.cursivex or 0 - local cursivey=i.cursivey or 0 - local ligaindex=i.ligaindex or 0 - local cursbase=i.cursiveanchor - local margin=nested and 4 or 2 - if rightkern~=0 or yoffset~=0 then - report_injections("%w%s pair: lx %p, rx %p, dy %p",margin,symbol,leftkern,rightkern,yoffset) - elseif leftkern~=0 then - report_injections("%w%s kern: dx %p",margin,symbol,leftkern) - end - if markx~=0 or marky~=0 or markbase~=0 then - report_injections("%w%s mark: dx %p, dy %p, dir %s, base %s",margin,symbol,markx,marky,markdir,markbase~=0 and "yes" or "no") - end - if cursivex~=0 or cursivey~=0 then - if cursbase then - report_injections("%w%s curs: base dx %p, dy %p",margin,symbol,cursivex,cursivey) - else - report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey) - end - elseif cursbase then - report_injections("%w%s curs: base",margin,symbol) - end - if ligaindex~=0 then - report_injections("%w%s liga: index %i",margin,symbol,ligaindex) - end - end - end - end -end -local function showsub(n,what,where) - report_injections("begin subrun: %s",where) - for n in traverse_id(glyph_code,n) do - showchar(n,where) - show(n,what,where," ") - end - report_injections("end subrun") -end -local function trace(head,where) - report_injections("begin run %s: %s kerns, %s pairs, %s marks and %s cursives registered", - where or "",nofregisteredkerns,nofregisteredpairs,nofregisteredmarks,nofregisteredcursives) - local n=head - while n do - local id=getid(n) - if id==glyph_code then - showchar(n) - show(n,"injections",false," ") - show(n,"preinjections",false,"<") - show(n,"postinjections",false,">") - show(n,"replaceinjections",false,"=") - show(n,"emptyinjections",false,"*") - elseif id==disc_code then - local pre,post,replace=getdisc(n) - if pre then - showsub(pre,"preinjections","pre") - end - if post then - showsub(post,"postinjections","post") - end - if replace then - showsub(replace,"replaceinjections","replace") - end - show(n,"emptyinjections",false,"*") - end - n=getnext(n) - end - report_injections("end run") -end -local function show_result(head) - local current=head - local skipping=false - while current do - local id=getid(current) - if id==glyph_code then - report_injections("char: %C, width %p, xoffset %p, yoffset %p", - getchar(current),getfield(current,"width"),getfield(current,"xoffset"),getfield(current,"yoffset")) - skipping=false - elseif id==kern_code then - report_injections("kern: %p",getfield(current,"kern")) - skipping=false - elseif not skipping then - report_injections() - skipping=true - end - current=getnext(current) - end -end -local function inject_kerns_only(head,where) - head=tonut(head) - if trace_injections then - trace(head,"kerns") - end - local current=head - local prev=nil - local next=nil - local prevdisc=nil - local prevglyph=nil - local pre=nil - local post=nil - local replace=nil - local pretail=nil - local posttail=nil - local replacetail=nil - while current do - local id=getid(current) - local next=getnext(current) - if id==glyph_code then - if getsubtype(current)<256 then - local p=rawget(properties,current) - if p then - local i=p.injections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - if use_advance then - setfield(current,"xoffset",leftkern) - setfield(current,"xadvance",leftkern) - else - insert_node_before(head,current,newkern(leftkern)) - end - end - end - if prevdisc then - local done=false - if post then - local i=p.postinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - if use_advance then - setfield(post,"xadvance",leftkern) - else - insert_node_after(post,posttail,newkern(leftkern)) - done=true - end - end - end - end - if replace then - local i=p.replaceinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - if use_advance then - setfield(replace,"xadvance",leftkern) - else - insert_node_after(replace,replacetail,newkern(leftkern)) - done=true - end - end - end - else - local i=p.emptyinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - setfield(prev,"replace",newkern(leftkern)) - end - end - end - if done then - setdisc(prevdisc,pre,post,replace) - end - end - end - end - prevdisc=nil - prevglyph=current - elseif id==disc_code then - pre,post,replace,pretail,posttail,replacetail=getdisc(current,true) - local done=false - if pre then - for n in traverse_char(pre) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.preinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - if use_advance then - setfield(pre,"xoffset",leftkern) - setfield(pre,"xadvance",leftkern) - else - pre=insert_node_before(pre,n,newkern(leftkern)) - done=true - end - end - end - end - end - end - if post then - for n in traverse_char(post) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.postinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - if use_advance then - setfield(post,"xoffset",leftkern) - setfield(post,"xadvance",leftkern) - else - post=insert_node_before(post,n,newkern(leftkern)) - done=true - end - end - end - end - end - end - if replace then - for n in traverse_char(replace) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.replaceinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - if use_advance then - setfield(replace,"xoffset",leftkern) - setfield(replace,"xadvance",leftkern) - else - replace=insert_node_before(replace,n,newkern(leftkern)) - done=true - end - end - end - end - end - end - if done then - setdisc(current,pre,post,replace) - end - prevglyph=nil - prevdisc=current - else - prevglyph=nil - prevdisc=nil - end - prev=current - current=next - end - if keepregisteredcounts then - keepregisteredcounts=false - else - nofregisteredkerns=0 - end - return tonode(head),true -end -local function inject_pairs_only(head,where) - head=tonut(head) - if trace_injections then - trace(head,"pairs") - end - local current=head - local prev=nil - local next=nil - local prevdisc=nil - local prevglyph=nil - local pre=nil - local post=nil - local replace=nil - local pretail=nil - local posttail=nil - local replacetail=nil - while current do - local id=getid(current) - local next=getnext(current) - if id==glyph_code then - if getsubtype(current)<256 then - local p=rawget(properties,current) - if p then - local i=p.injections - if i then - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(current,"yoffset",yoffset) - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - head=insert_node_before(head,current,newkern(leftkern)) - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(head,current,newkern(rightkern)) - end - else - local i=p.emptyinjections - if i then - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - if next and getid(next)==disc_code then - if replace then - else - setfield(next,"replace",newkern(rightkern)) - end - end - end - end - end - if prevdisc then - local done=false - if post then - local i=p.postinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - insert_node_after(post,posttail,newkern(leftkern)) - done=true - end - end - end - if replace then - local i=p.replaceinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - insert_node_after(replace,replacetail,newkern(leftkern)) - done=true - end - end - else - local i=p.emptyinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - setfield(prev,"replace",newkern(leftkern)) - end - end - end - if done then - setdisc(prevdisc,pre,post,replace) - end - end - end - end - prevdisc=nil - prevglyph=current - elseif id==disc_code then - pre,post,replace,pretail,posttail,replacetail=getdisc(current,true) - local done=false - if pre then - for n in traverse_char(pre) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.preinjections - if i then - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(n,"yoffset",yoffset) - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - pre=insert_node_before(pre,n,newkern(leftkern)) - done=true - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(pre,n,newkern(rightkern)) - done=true - end - end - end - end - end - if post then - for n in traverse_char(post) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.postinjections - if i then - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(n,"yoffset",yoffset) - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - post=insert_node_before(post,n,newkern(leftkern)) - done=true - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(post,n,newkern(rightkern)) - done=true - end - end - end - end - end - if replace then - for n in traverse_char(replace) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.replaceinjections - if i then - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(n,"yoffset",yoffset) - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - replace=insert_node_before(replace,n,newkern(leftkern)) - done=true - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(replace,n,newkern(rightkern)) - done=true - end - end - end - end - end - if prevglyph then - if pre then - local p=rawget(properties,prevglyph) - if p then - local i=p.preinjections - if i then - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - pre=insert_node_before(pre,pre,newkern(rightkern)) - done=true - end - end - end - end - if replace then - local p=rawget(properties,prevglyph) - if p then - local i=p.replaceinjections - if i then - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - replace=insert_node_before(replace,replace,newkern(rightkern)) - done=true - end - end - end - end - end - if done then - setdisc(current,pre,post,replace) - end - prevglyph=nil - prevdisc=current - else - prevglyph=nil - prevdisc=nil - end - prev=current - current=next - end - if keepregisteredcounts then - keepregisteredcounts=false - else - nofregisteredkerns=0 - end - return tonode(head),true -end -local function showoffset(n,flag) - local o=getfield(n,"xoffset") - if o==0 then - o=getfield(n,"yoffset") - end - if o~=0 then - setcolor(n,flag and "darkred" or "darkgreen") - else - resetcolor(n) - end -end -local function inject_everything(head,where) - head=tonut(head) - if trace_injections then - trace(head,"everything") - end - local hascursives=nofregisteredcursives>0 - local hasmarks=nofregisteredmarks>0 - local current=head - local last=nil - local font=font - local markdata=nil - local prev=nil - local next=nil - local prevdisc=nil - local prevglyph=nil - local pre=nil - local post=nil - local replace=nil - local pretail=nil - local posttail=nil - local replacetail=nil - local cursiveanchor=nil - local minc=0 - local maxc=0 - local glyphs={} - local marks={} - local nofmarks=0 - local function processmark(p,n,pn) - local px=getfield(p,"xoffset") - local ox=0 - local rightkern=nil - local pp=rawget(properties,p) - if pp then - pp=pp.injections - if pp then - rightkern=pp.rightkern - end - end - if rightkern then - if pn.markdir<0 then - ox=px-pn.markx-rightkern - else - if false then - local leftkern=pp.leftkern - if leftkern then - ox=px-pn.markx-leftkern - else - ox=px-pn.markx - end - else - ox=px-pn.markx - end - end - else - ox=px-pn.markx - if pn.checkmark then - local wn=getfield(n,"width") - if wn~=0 then - wn=wn/2 - if trace_injections then - report_injections("correcting non zero width mark %C",getchar(n)) - end - insert_node_before(n,n,newkern(-wn)) - insert_node_after(n,n,newkern(-wn)) - end - end - end - local oy=getfield(n,"yoffset")+getfield(p,"yoffset")+pn.marky - setfield(n,"xoffset",ox) - setfield(n,"yoffset",oy) - if trace_marks then - showoffset(n,true) - end - end - while current do - local id=getid(current) - local next=getnext(current) - if id==glyph_code then - if getsubtype(current)<256 then - local p=rawget(properties,current) - if p then - local i=p.injections - if i then - local pm=i.markbasenode - if pm then - nofmarks=nofmarks+1 - marks[nofmarks]=current - else - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(current,"yoffset",yoffset) - end - if hascursives then - local cursivex=i.cursivex - if cursivex then - if cursiveanchor then - if cursivex~=0 then - i.leftkern=(i.leftkern or 0)+cursivex - end - if maxc==0 then - minc=1 - maxc=1 - glyphs[1]=cursiveanchor - else - maxc=maxc+1 - glyphs[maxc]=cursiveanchor - end - properties[cursiveanchor].cursivedy=i.cursivey - last=current - else - maxc=0 - end - elseif maxc>0 then - local ny=getfield(current,"yoffset") - for i=maxc,minc,-1 do - local ti=glyphs[i] - ny=ny+properties[ti].cursivedy - setfield(ti,"yoffset",ny) - if trace_cursive then - showoffset(ti) - end - end - maxc=0 - cursiveanchor=nil - end - if i.cursiveanchor then - cursiveanchor=current - else - if maxc>0 then - local ny=getfield(current,"yoffset") - for i=maxc,minc,-1 do - local ti=glyphs[i] - ny=ny+properties[ti].cursivedy - setfield(ti,"yoffset",ny) - if trace_cursive then - showoffset(ti) - end - end - maxc=0 - end - cursiveanchor=nil - end - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - insert_node_before(head,current,newkern(leftkern)) - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(head,current,newkern(rightkern)) - end - end - else - local i=p.emptyinjections - if i then - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - if next and getid(next)==disc_code then - if replace then - else - setfield(next,"replace",newkern(rightkern)) - end - end - end - end - end - if prevdisc then - if p then - local done=false - if post then - local i=p.postinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - insert_node_after(post,posttail,newkern(leftkern)) - done=true - end - end - end - if replace then - local i=p.replaceinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - insert_node_after(replace,replacetail,newkern(leftkern)) - done=true - end - end - else - local i=p.emptyinjections - if i then - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - setfield(prev,"replace",newkern(leftkern)) - end - end - end - if done then - setdisc(prevdisc,pre,post,replace) - end - end - end - else - if hascursives and maxc>0 then - local ny=getfield(current,"yoffset") - for i=maxc,minc,-1 do - local ti=glyphs[i] - ny=ny+properties[ti].cursivedy - setfield(ti,"yoffset",getfield(ti,"yoffset")+ny) - end - maxc=0 - cursiveanchor=nil - end - end - end - prevdisc=nil - prevglyph=current - elseif id==disc_code then - pre,post,replace,pretail,posttail,replacetail=getdisc(current,true) - local done=false - if pre then - for n in traverse_char(pre) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.preinjections - if i then - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(n,"yoffset",yoffset) - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - pre=insert_node_before(pre,n,newkern(leftkern)) - done=true - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(pre,n,newkern(rightkern)) - done=true - end - if hasmarks then - local pm=i.markbasenode - if pm then - processmark(pm,current,i) - end - end - end - end - end - end - if post then - for n in traverse_char(post) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.postinjections - if i then - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(n,"yoffset",yoffset) - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - post=insert_node_before(post,n,newkern(leftkern)) - done=true - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(post,n,newkern(rightkern)) - done=true - end - if hasmarks then - local pm=i.markbasenode - if pm then - processmark(pm,current,i) - end - end - end - end - end - end - if replace then - for n in traverse_char(replace) do - local p=rawget(properties,n) - if p then - local i=p.injections or p.replaceinjections - if i then - local yoffset=i.yoffset - if yoffset and yoffset~=0 then - setfield(n,"yoffset",yoffset) - end - local leftkern=i.leftkern - if leftkern and leftkern~=0 then - replace=insert_node_before(replace,n,newkern(leftkern)) - done=true - end - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - insert_node_after(replace,n,newkern(rightkern)) - done=true - end - if hasmarks then - local pm=i.markbasenode - if pm then - processmark(pm,current,i) - end - end - end - end - end - end - if prevglyph then - if pre then - local p=rawget(properties,prevglyph) - if p then - local i=p.preinjections - if i then - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - pre=insert_node_before(pre,pre,newkern(rightkern)) - done=true - end - end - end - end - if replace then - local p=rawget(properties,prevglyph) - if p then - local i=p.replaceinjections - if i then - local rightkern=i.rightkern - if rightkern and rightkern~=0 then - replace=insert_node_before(replace,replace,newkern(rightkern)) - done=true - end - end - end - end - end - if done then - setdisc(current,pre,post,replace) - end - prevglyph=nil - prevdisc=current - else - prevglyph=nil - prevdisc=nil - end - prev=current - current=next - end - if hascursives and maxc>0 then - local ny=getfield(last,"yoffset") - for i=maxc,minc,-1 do - local ti=glyphs[i] - ny=ny+properties[ti].cursivedy - setfield(ti,"yoffset",ny) - if trace_cursive then - showoffset(ti) - end - end - end - if nofmarks>0 then - for i=1,nofmarks do - local m=marks[i] - local p=rawget(properties,m) - local i=p.injections - local b=i.markbasenode - processmark(b,m,i) - end - elseif hasmarks then - end - if keepregisteredcounts then - keepregisteredcounts=false - else - nofregisteredkerns=0 - nofregisteredpairs=0 - nofregisteredmarks=0 - nofregisteredcursives=0 - end - return tonode(head),true -end -local triggers=false -function nodes.injections.setspacekerns(font,sequence) - if triggers then - triggers[font]=sequence - else - triggers={ [font]=sequence } - end -end -local getthreshold -if context then - local threshold=1 - local parameters=fonts.hashes.parameters - directives.register("otf.threshold",function(v) threshold=tonumber(v) or 1 end) - getthreshold=function(font) - local p=parameters[font] - local f=p.factor - local s=p.spacing - local t=threshold*(s and s.width or p.space or 0)-2 - return t>0 and t or 0,f - end -else - injections.threshold=0 - getthreshold=function(font) - local p=fontdata[font].parameters - local f=p.factor - local s=p.spacing - local t=injections.threshold*(s and s.width or p.space or 0)-2 - return t>0 and t or 0,f - end -end -injections.getthreshold=getthreshold -function injections.isspace(n,threshold) - if getid(n)==glue_code then - local w=getfield(n,"width") - if threshold and w>threshold then - return 32 - end - end -end -local function injectspaces(head) - if not triggers then - return head,false - end - local lastfont=nil - local spacekerns=nil - local leftkerns=nil - local rightkerns=nil - local factor=0 - local threshold=0 - local leftkern=false - local rightkern=false - local function updatefont(font,trig) - leftkerns=trig.left - rightkerns=trig.right - lastfont=font - threshold, - factor=getthreshold(font) - end - for n in traverse_id(glue_code,tonut(head)) do - local prev,next=getboth(n) - local prevchar=ischar(prev) - local nextchar=ischar(next) - if nextchar then - local font=getfont(next) - local trig=triggers[font] - if trig then - if lastfont~=font then - updatefont(font,trig) - end - if rightkerns then - rightkern=rightkerns[nextchar] - end - end - end - if prevchar then - local font=getfont(prev) - local trig=triggers[font] - if trig then - if lastfont~=font then - updatefont(font,trig) - end - if leftkerns then - leftkern=leftkerns[prevchar] - end - end - end - if leftkern then - local old=getfield(n,"width") - if old>threshold then - if rightkern then - local new=old+(leftkern+rightkern)*factor - if trace_spaces then - report_spaces("%C [%p -> %p] %C",prevchar,old,new,nextchar) - end - setfield(n,"width",new) - leftkern=false - else - local new=old+leftkern*factor - if trace_spaces then - report_spaces("%C [%p -> %p]",prevchar,old,new) - end - setfield(n,"width",new) - end - end - leftkern=false - elseif rightkern then - local old=getfield(n,"width") - if old>threshold then - local new=old+rightkern*factor - if trace_spaces then - report_spaces("[%p -> %p] %C",nextchar,old,new) - end - setfield(n,"width",new) - end - rightkern=false - end - end - triggers=false - return head,true -end -function injections.handler(head,where) - if triggers then - head=injectspaces(head) - end - if nofregisteredmarks>0 or nofregisteredcursives>0 then - if trace_injections then - report_injections("injection variant %a","everything") - end - return inject_everything(head,where) - elseif nofregisteredpairs>0 then - if trace_injections then - report_injections("injection variant %a","pairs") - end - return inject_pairs_only(head,where) - elseif nofregisteredkerns>0 then - if trace_injections then - report_injections("injection variant %a","kerns") - end - return inject_kerns_only(head,where) - else - return head,false - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otj”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ota” c281d18dfc89a8ca18af64f55e9fa92b] --- - -if not modules then modules={} end modules ['font-ota']={ - version=1.001, - comment="companion to font-otf.lua (analysing)", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local type=type -if not trackers then trackers={ register=function() end } end -local fonts,nodes,node=fonts,nodes,node -local allocate=utilities.storage.allocate -local otf=fonts.handlers.otf -local analyzers=fonts.analyzers -local initializers=allocate() -local methods=allocate() -analyzers.initializers=initializers -analyzers.methods=methods -local a_state=attributes.private('state') -local nuts=nodes.nuts -local tonut=nuts.tonut -local getfield=nuts.getfield -local getnext=nuts.getnext -local getprev=nuts.getprev -local getprev=nuts.getprev -local getprop=nuts.getprop -local setprop=nuts.setprop -local getfont=nuts.getfont -local getsubtype=nuts.getsubtype -local getchar=nuts.getchar -local ischar=nuts.is_char -local traverse_id=nuts.traverse_id -local end_of_math=nuts.end_of_math -local nodecodes=nodes.nodecodes -local disc_code=nodecodes.disc -local math_code=nodecodes.math -local fontdata=fonts.hashes.identifiers -local categories=characters and characters.categories or {} -local chardata=characters and characters.data -local otffeatures=fonts.constructors.features.otf -local registerotffeature=otffeatures.register -local s_init=1 local s_rphf=7 -local s_medi=2 local s_half=8 -local s_fina=3 local s_pref=9 -local s_isol=4 local s_blwf=10 -local s_mark=5 local s_pstf=11 -local s_rest=6 -local states={ - init=s_init, - medi=s_medi, - med2=s_medi, - fina=s_fina, - fin2=s_fina, - fin3=s_fina, - isol=s_isol, - mark=s_mark, - rest=s_rest, - rphf=s_rphf, - half=s_half, - pref=s_pref, - blwf=s_blwf, - pstf=s_pstf, -} -local features={ - init=s_init, - medi=s_medi, - med2=s_medi, - fina=s_fina, - fin2=s_fina, - fin3=s_fina, - isol=s_isol, - rphf=s_rphf, - half=s_half, - pref=s_pref, - blwf=s_blwf, - pstf=s_pstf, -} -analyzers.states=states -analyzers.features=features -analyzers.useunicodemarks=false -function analyzers.setstate(head,font) - local useunicodemarks=analyzers.useunicodemarks - local tfmdata=fontdata[font] - local descriptions=tfmdata.descriptions - local first,last,current,n,done=nil,nil,head,0,false - current=tonut(current) - while current do - local char,id=ischar(current,font) - if char and not getprop(current,a_state) then - done=true - local d=descriptions[char] - if d then - if d.class=="mark" then - done=true - setprop(current,a_state,s_mark) - elseif useunicodemarks and categories[char]=="mn" then - done=true - setprop(current,a_state,s_mark) - elseif n==0 then - first,last,n=current,current,1 - setprop(current,a_state,s_init) - else - last,n=current,n+1 - setprop(current,a_state,s_medi) - end - else - if first and first==last then - setprop(last,a_state,s_isol) - elseif last then - setprop(last,a_state,s_fina) - end - first,last,n=nil,nil,0 - end - elseif char==false then - if first and first==last then - setprop(last,a_state,s_isol) - elseif last then - setprop(last,a_state,s_fina) - end - first,last,n=nil,nil,0 - if id==math_code then - current=end_of_math(current) - end - elseif id==disc_code then - setprop(current,a_state,s_medi) - last=current - else - if first and first==last then - setprop(last,a_state,s_isol) - elseif last then - setprop(last,a_state,s_fina) - end - first,last,n=nil,nil,0 - if id==math_code then - current=end_of_math(current) - end - end - current=getnext(current) - end - if first and first==last then - setprop(last,a_state,s_isol) - elseif last then - setprop(last,a_state,s_fina) - end - return head,done -end -local function analyzeinitializer(tfmdata,value) - local script,language=otf.scriptandlanguage(tfmdata) - local action=initializers[script] - if not action then - elseif type(action)=="function" then - return action(tfmdata,value) - else - local action=action[language] - if action then - return action(tfmdata,value) - end - end -end -local function analyzeprocessor(head,font,attr) - local tfmdata=fontdata[font] - local script,language=otf.scriptandlanguage(tfmdata,attr) - local action=methods[script] - if not action then - elseif type(action)=="function" then - return action(head,font,attr) - else - action=action[language] - if action then - return action(head,font,attr) - end - end - return head,false -end -registerotffeature { - name="analyze", - description="analysis of character classes", - default=true, - initializers={ - node=analyzeinitializer, - }, - processors={ - position=1, - node=analyzeprocessor, - } -} -methods.latn=analyzers.setstate -local arab_warned={} -local function warning(current,what) - local char=getchar(current) - if not arab_warned[char] then - log.report("analyze","arab: character %C has no %a class",char,what) - arab_warned[char]=true - end -end -local mappers={ - l=s_init, - d=s_medi, - c=s_medi, - r=s_fina, - u=s_isol, -} -local classifiers=characters.classifiers -if not classifiers then - local f_arabic,l_arabic=characters.blockrange("arabic") - local f_syriac,l_syriac=characters.blockrange("syriac") - local f_mandiac,l_mandiac=characters.blockrange("mandiac") - local f_nko,l_nko=characters.blockrange("nko") - local f_ext_a,l_ext_a=characters.blockrange("arabicextendeda") - classifiers=table.setmetatableindex(function(t,k) - if type(k)=="number" then - local c=chardata[k] - local v=false - if c then - local arabic=c.arabic - if arabic then - v=mappers[arabic] - if not v then - log.report("analyze","error in mapping arabic %C",k) - v=false - end - elseif (k>=f_arabic and k<=l_arabic) or - (k>=f_syriac and k<=l_syriac) or - (k>=f_mandiac and k<=l_mandiac) or - (k>=f_nko and k<=l_nko) or - (k>=f_ext_a and k<=l_ext_a) then - if categories[k]=="mn" then - v=s_mark - else - v=s_rest - end - end - end - t[k]=v - return v - end - end) - characters.classifiers=classifiers -end -function methods.arab(head,font,attr) - local first,last=nil,nil - local c_first,c_last=nil,nil - local current,done=head,false - current=tonut(current) - while current do - local char,id=ischar(current,font) - if char and not getprop(current,a_state) then - done=true - local classifier=classifiers[char] - if not classifier then - if last then - if c_last==s_medi or c_last==s_fina then - setprop(last,a_state,s_fina) - else - warning(last,"fina") - setprop(last,a_state,s_error) - end - first,last=nil,nil - elseif first then - if c_first==s_medi or c_first==s_fina then - setprop(first,a_state,s_isol) - else - warning(first,"isol") - setprop(first,a_state,s_error) - end - first=nil - end - elseif classifier==s_mark then - setprop(current,a_state,s_mark) - elseif classifier==s_isol then - if last then - if c_last==s_medi or c_last==s_fina then - setprop(last,a_state,s_fina) - else - warning(last,"fina") - setprop(last,a_state,s_error) - end - first,last=nil,nil - elseif first then - if c_first==s_medi or c_first==s_fina then - setprop(first,a_state,s_isol) - else - warning(first,"isol") - setprop(first,a_state,s_error) - end - first=nil - end - setprop(current,a_state,s_isol) - elseif classifier==s_medi then - if first then - last=current - c_last=classifier - setprop(current,a_state,s_medi) - else - setprop(current,a_state,s_init) - first=current - c_first=classifier - end - elseif classifier==s_fina then - if last then - if getprop(last,a_state)~=s_init then - setprop(last,a_state,s_medi) - end - setprop(current,a_state,s_fina) - first,last=nil,nil - elseif first then - setprop(current,a_state,s_fina) - first=nil - else - setprop(current,a_state,s_isol) - end - else - setprop(current,a_state,s_rest) - if last then - if c_last==s_medi or c_last==s_fina then - setprop(last,a_state,s_fina) - else - warning(last,"fina") - setprop(last,a_state,s_error) - end - first,last=nil,nil - elseif first then - if c_first==s_medi or c_first==s_fina then - setprop(first,a_state,s_isol) - else - warning(first,"isol") - setprop(first,a_state,s_error) - end - first=nil - end - end - else - if last then - if c_last==s_medi or c_last==s_fina then - setprop(last,a_state,s_fina) - else - warning(last,"fina") - setprop(last,a_state,s_error) - end - first,last=nil,nil - elseif first then - if c_first==s_medi or c_first==s_fina then - setprop(first,a_state,s_isol) - else - warning(first,"isol") - setprop(first,a_state,s_error) - end - first=nil - end - if id==math_code then - current=end_of_math(current) - end - end - current=getnext(current) - end - if last then - if c_last==s_medi or c_last==s_fina then - setprop(last,a_state,s_fina) - else - warning(last,"fina") - setprop(last,a_state,s_error) - end - elseif first then - if c_first==s_medi or c_first==s_fina then - setprop(first,a_state,s_isol) - else - warning(first,"isol") - setprop(first,a_state,s_error) - end - end - return head,done -end -methods.syrc=methods.arab -methods.mand=methods.arab -methods.nko=methods.arab -directives.register("otf.analyze.useunicodemarks",function(v) - analyzers.useunicodemarks=v -end) - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ota”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ots” 7e1e55f9f728474372665e4a64a43f5a] --- - -if not modules then modules={} end modules ['font-ots']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files", -} -local type,next,tonumber=type,next,tonumber -local random=math.random -local formatters=string.formatters -local insert=table.insert -local logs,trackers,nodes,attributes=logs,trackers,nodes,attributes -local registertracker=trackers.register -local registerdirective=directives.register -local fonts=fonts -local otf=fonts.handlers.otf -local trace_lookups=false registertracker("otf.lookups",function(v) trace_lookups=v end) -local trace_singles=false registertracker("otf.singles",function(v) trace_singles=v end) -local trace_multiples=false registertracker("otf.multiples",function(v) trace_multiples=v end) -local trace_alternatives=false registertracker("otf.alternatives",function(v) trace_alternatives=v end) -local trace_ligatures=false registertracker("otf.ligatures",function(v) trace_ligatures=v end) -local trace_contexts=false registertracker("otf.contexts",function(v) trace_contexts=v end) -local trace_marks=false registertracker("otf.marks",function(v) trace_marks=v end) -local trace_kerns=false registertracker("otf.kerns",function(v) trace_kerns=v end) -local trace_cursive=false registertracker("otf.cursive",function(v) trace_cursive=v end) -local trace_preparing=false registertracker("otf.preparing",function(v) trace_preparing=v end) -local trace_bugs=false registertracker("otf.bugs",function(v) trace_bugs=v end) -local trace_details=false registertracker("otf.details",function(v) trace_details=v end) -local trace_steps=false registertracker("otf.steps",function(v) trace_steps=v end) -local trace_skips=false registertracker("otf.skips",function(v) trace_skips=v end) -local trace_directions=false registertracker("otf.directions",function(v) trace_directions=v end) -local trace_plugins=false registertracker("otf.plugins",function(v) trace_plugins=v end) -local trace_kernruns=false registertracker("otf.kernruns",function(v) trace_kernruns=v end) -local trace_discruns=false registertracker("otf.discruns",function(v) trace_discruns=v end) -local trace_compruns=false registertracker("otf.compruns",function(v) trace_compruns=v end) -local trace_testruns=false registertracker("otf.testruns",function(v) trace_testruns=v end) -local optimizekerns=true -local alwaysdisc=true registerdirective("otf.alwaysdisc",function(v) alwaysdisc=v end) -local report_direct=logs.reporter("fonts","otf direct") -local report_subchain=logs.reporter("fonts","otf subchain") -local report_chain=logs.reporter("fonts","otf chain") -local report_process=logs.reporter("fonts","otf process") -local report_warning=logs.reporter("fonts","otf warning") -local report_run=logs.reporter("fonts","otf run") -registertracker("otf.replacements","otf.singles,otf.multiples,otf.alternatives,otf.ligatures") -registertracker("otf.positions","otf.marks,otf.kerns,otf.cursive") -registertracker("otf.actions","otf.replacements,otf.positions") -registertracker("otf.injections","nodes.injections") -registertracker("*otf.sample","otf.steps,otf.actions,otf.analyzing") -local nuts=nodes.nuts -local tonode=nuts.tonode -local tonut=nuts.tonut -local getfield=nuts.getfield -local setfield=nuts.setfield -local getnext=nuts.getnext -local setnext=nuts.setnext -local getprev=nuts.getprev -local setprev=nuts.setprev -local getboth=nuts.getboth -local setboth=nuts.setboth -local getid=nuts.getid -local getattr=nuts.getattr -local setattr=nuts.setattr -local getprop=nuts.getprop -local setprop=nuts.setprop -local getfont=nuts.getfont -local getsubtype=nuts.getsubtype -local setsubtype=nuts.setsubtype -local getchar=nuts.getchar -local setchar=nuts.setchar -local getdisc=nuts.getdisc -local setdisc=nuts.setdisc -local setlink=nuts.setlink -local ischar=nuts.is_char -local insert_node_after=nuts.insert_after -local copy_node=nuts.copy -local copy_node_list=nuts.copy_list -local find_node_tail=nuts.tail -local flush_node_list=nuts.flush_list -local flush_node=nuts.flush_node -local end_of_math=nuts.end_of_math -local traverse_nodes=nuts.traverse -local traverse_id=nuts.traverse_id -local remove_node=nuts.remove -local setmetatableindex=table.setmetatableindex -local zwnj=0x200C -local zwj=0x200D -local wildcard="*" -local default="dflt" -local nodecodes=nodes.nodecodes -local glyphcodes=nodes.glyphcodes -local disccodes=nodes.disccodes -local glyph_code=nodecodes.glyph -local glue_code=nodecodes.glue -local disc_code=nodecodes.disc -local math_code=nodecodes.math -local dir_code=nodecodes.dir -local localpar_code=nodecodes.localpar -local discretionary_code=disccodes.discretionary -local ligature_code=glyphcodes.ligature -local privateattribute=attributes.private -local a_state=privateattribute('state') -local injections=nodes.injections -local setmark=injections.setmark -local setcursive=injections.setcursive -local setkern=injections.setkern -local setpair=injections.setpair -local resetinjection=injections.reset -local copyinjection=injections.copy -local setligaindex=injections.setligaindex -local getligaindex=injections.getligaindex -local cursonce=true -local fonthashes=fonts.hashes -local fontdata=fonthashes.identifiers -local fontfeatures=fonthashes.features -local otffeatures=fonts.constructors.features.otf -local registerotffeature=otffeatures.register -local onetimemessage=fonts.loggers.onetimemessage or function() end -local getrandom=utilities and utilities.randomizer and utilities.randomizer.get -otf.defaultnodealternate="none" -local tfmdata=false -local characters=false -local descriptions=false -local marks=false -local currentfont=false -local factor=0 -local threshold=0 -local checkmarks=false -local sweepnode=nil -local sweepprev=nil -local sweepnext=nil -local sweephead={} -local notmatchpre={} -local notmatchpost={} -local notmatchreplace={} -local handlers={} -local isspace=injections.isspace -local getthreshold=injections.getthreshold -local checkstep=(nodes and nodes.tracers and nodes.tracers.steppers.check) or function() end -local registerstep=(nodes and nodes.tracers and nodes.tracers.steppers.register) or function() end -local registermessage=(nodes and nodes.tracers and nodes.tracers.steppers.message) or function() end -local function checkdisccontent(d) - local pre,post,replace=getdisc(d) - if pre then for n in traverse_id(glue_code,pre) do print("pre",nodes.idstostring(pre)) break end end - if post then for n in traverse_id(glue_code,post) do print("pos",nodes.idstostring(post)) break end end - if replace then for n in traverse_id(glue_code,replace) do print("rep",nodes.idstostring(replace)) break end end -end -local function logprocess(...) - if trace_steps then - registermessage(...) - end - report_direct(...) -end -local function logwarning(...) - report_direct(...) -end -local f_unicode=formatters["%U"] -local f_uniname=formatters["%U (%s)"] -local f_unilist=formatters["% t (% t)"] -local function gref(n) - if type(n)=="number" then - local description=descriptions[n] - local name=description and description.name - if name then - return f_uniname(n,name) - else - return f_unicode(n) - end - elseif n then - local num,nam={},{} - for i=1,#n do - local ni=n[i] - if tonumber(ni) then - local di=descriptions[ni] - num[i]=f_unicode(ni) - nam[i]=di and di.name or "-" - end - end - return f_unilist(num,nam) - else - return "<error in node mode tracing>" - end -end -local function cref(dataset,sequence,index) - if not dataset then - return "no valid dataset" - elseif index then - return formatters["feature %a, type %a, chain lookup %a, index %a"](dataset[4],sequence.type,sequence.name,index) - else - return formatters["feature %a, type %a, chain lookup %a"](dataset[4],sequence.type,sequence.name) - end -end -local function pref(dataset,sequence) - return formatters["feature %a, type %a, lookup %a"](dataset[4],sequence.type,sequence.name) -end -local function mref(rlmode) - if not rlmode or rlmode==0 then - return "---" - elseif rlmode==-1 or rlmode=="+TRT" then - return "r2l" - else - return "l2r" - end -end -local function copy_glyph(g) - local components=getfield(g,"components") - if components then - setfield(g,"components") - local n=copy_node(g) - copyinjection(n,g) - setfield(g,"components",components) - return n - else - local n=copy_node(g) - copyinjection(n,g) - return n - end -end -local function flattendisk(head,disc) - local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true) - local prev,next=getboth(disc) - local ishead=head==disc - setdisc(disc) - flush_node(disc) - if pre then - flush_node_list(pre) - end - if post then - flush_node_list(post) - end - if ishead then - if replace then - if next then - setlink(replacetail,next) - end - return replace,replace - elseif next then - return next,next - else - return - end - else - if replace then - if next then - setlink(replacetail,next) - end - setlink(prev,replace) - return head,replace - else - setlink(prev,next) - return head,next - end - end -end -local function appenddisc(disc,list) - local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true) - local posthead=list - local replacehead=copy_node_list(list) - if post then - setlink(posttail,posthead) - else - post=phead - end - if replace then - setlink(replacetail,replacehead) - else - replace=rhead - end - setdisc(disc,pre,post,replace) -end -local function markstoligature(head,start,stop,char) - if start==stop and getchar(start)==char then - return head,start - else - local prev=getprev(start) - local next=getnext(stop) - setprev(start) - setnext(stop) - local base=copy_glyph(start) - if head==start then - head=base - end - resetinjection(base) - setchar(base,char) - setsubtype(base,ligature_code) - setfield(base,"components",start) - setlink(prev,base) - setlink(base,next) - return head,base - end -end -local function getcomponentindex(start) - if getid(start)~=glyph_code then - return 0 - elseif getsubtype(start)==ligature_code then - local i=0 - local components=getfield(start,"components") - while components do - i=i+getcomponentindex(components) - components=getnext(components) - end - return i - elseif not marks[getchar(start)] then - return 1 - else - return 0 - end -end -local a_noligature=attributes.private("noligature") -local function toligature(head,start,stop,char,dataset,sequence,markflag,discfound) - if getattr(start,a_noligature)==1 then - return head,start - end - if start==stop and getchar(start)==char then - resetinjection(start) - setchar(start,char) - return head,start - end - local components=getfield(start,"components") - if components then - end - local prev=getprev(start) - local next=getnext(stop) - local comp=start - setprev(start) - setnext(stop) - local base=copy_glyph(start) - if start==head then - head=base - end - resetinjection(base) - setchar(base,char) - setsubtype(base,ligature_code) - setfield(base,"components",comp) - if prev then - setnext(prev,base) - end - if next then - setprev(next,base) - end - setboth(base,prev,next) - if not discfound then - local deletemarks=markflag~="mark" - local components=start - local baseindex=0 - local componentindex=0 - local head=base - local current=base - while start do - local char=getchar(start) - if not marks[char] then - baseindex=baseindex+componentindex - componentindex=getcomponentindex(start) - elseif not deletemarks then - setligaindex(start,baseindex+getligaindex(start,componentindex)) - if trace_marks then - logwarning("%s: keep mark %s, gets index %s",pref(dataset,sequence),gref(char),getligaindex(start)) - end - local n=copy_node(start) - copyinjection(n,start) - head,current=insert_node_after(head,current,n) - elseif trace_marks then - logwarning("%s: delete mark %s",pref(dataset,sequence),gref(char)) - end - start=getnext(start) - end - local start=getnext(current) - while start do - local char=ischar(start) - if char then - if marks[char] then - setligaindex(start,baseindex+getligaindex(start,componentindex)) - if trace_marks then - logwarning("%s: set mark %s, gets index %s",pref(dataset,sequence),gref(char),getligaindex(start)) - end - start=getnext(start) - else - break - end - else - break - end - end - else - local discprev,discnext=getboth(discfound) - if discprev and discnext then - local pre,post,replace,pretail,posttail,replacetail=getdisc(discfound,true) - if not replace then - local prev=getprev(base) - local current=comp - local previous=nil - local copied=nil - while current do - if getid(current)==glyph_code then - local n=copy_node(current) - if copied then - setlink(previous,n) - else - copied=n - end - previous=n - end - current=getnext(current) - end - setprev(discnext) - setnext(discprev) - if pre then - setlink(discprev,pre) - end - pre=comp - if post then - setlink(posttail,discnext) - setprev(post) - else - post=discnext - end - setlink(prev,discfound) - setlink(discfound,next) - setboth(base) - setfield(base,"components",copied) - setdisc(discfound,pre,post,base) - base=prev - end - end - end - return head,base -end -local function multiple_glyphs(head,start,multiple,ignoremarks,what) - local nofmultiples=#multiple - if nofmultiples>0 then - resetinjection(start) - setchar(start,multiple[1]) - if nofmultiples>1 then - local sn=getnext(start) - for k=2,nofmultiples do - local n=copy_node(start) - resetinjection(n) - setchar(n,multiple[k]) - insert_node_after(head,start,n) - start=n - end - if what==true then - elseif what>1 then - local m=multiple[nofmultiples] - for i=2,what do - local n=copy_node(start) - resetinjection(n) - setchar(n,m) - insert_node_after(head,start,n) - start=n - end - end - end - return head,start,true - else - if trace_multiples then - logprocess("no multiple for %s",gref(getchar(start))) - end - return head,start,false - end -end -local function get_alternative_glyph(start,alternatives,value) - local n=#alternatives - if value=="random" then - local r=getrandom and getrandom("glyph",1,n) or random(1,n) - return alternatives[r],trace_alternatives and formatters["value %a, taking %a"](value,r) - elseif value=="first" then - return alternatives[1],trace_alternatives and formatters["value %a, taking %a"](value,1) - elseif value=="last" then - return alternatives[n],trace_alternatives and formatters["value %a, taking %a"](value,n) - end - value=value==true and 1 or tonumber(value) - if type(value)~="number" then - return alternatives[1],trace_alternatives and formatters["invalid value %s, taking %a"](value,1) - end - if value>n then - local defaultalt=otf.defaultnodealternate - if defaultalt=="first" then - return alternatives[n],trace_alternatives and formatters["invalid value %s, taking %a"](value,1) - elseif defaultalt=="last" then - return alternatives[1],trace_alternatives and formatters["invalid value %s, taking %a"](value,n) - else - return false,trace_alternatives and formatters["invalid value %a, %s"](value,"out of range") - end - elseif value==0 then - return getchar(start),trace_alternatives and formatters["invalid value %a, %s"](value,"no change") - elseif value<1 then - return alternatives[1],trace_alternatives and formatters["invalid value %a, taking %a"](value,1) - else - return alternatives[value],trace_alternatives and formatters["value %a, taking %a"](value,value) - end -end -function handlers.gsub_single(head,start,dataset,sequence,replacement) - if trace_singles then - logprocess("%s: replacing %s by single %s",pref(dataset,sequence),gref(getchar(start)),gref(replacement)) - end - resetinjection(start) - setchar(start,replacement) - return head,start,true -end -function handlers.gsub_alternate(head,start,dataset,sequence,alternative) - local kind=dataset[4] - local what=dataset[1] - local value=what==true and tfmdata.shared.features[kind] or what - local choice,comment=get_alternative_glyph(start,alternative,value) - if choice then - if trace_alternatives then - logprocess("%s: replacing %s by alternative %a to %s, %s",pref(dataset,sequence),gref(getchar(start)),gref(choice),comment) - end - resetinjection(start) - setchar(start,choice) - else - if trace_alternatives then - logwarning("%s: no variant %a for %s, %s",pref(dataset,sequence),value,gref(getchar(start)),comment) - end - end - return head,start,true -end -function handlers.gsub_multiple(head,start,dataset,sequence,multiple) - if trace_multiples then - logprocess("%s: replacing %s by multiple %s",pref(dataset,sequence),gref(getchar(start)),gref(multiple)) - end - return multiple_glyphs(head,start,multiple,sequence.flags[1],dataset[1]) -end -function handlers.gsub_ligature(head,start,dataset,sequence,ligature) - local current=getnext(start) - if not current then - return head,start,false,nil - end - local stop=nil - local startchar=getchar(start) - if marks[startchar] then - while current do - local char=ischar(current,currentfont) - if char then - local lg=ligature[char] - if lg then - stop=current - ligature=lg - current=getnext(current) - else - break - end - else - break - end - end - if stop then - local lig=ligature.ligature - if lig then - if trace_ligatures then - local stopchar=getchar(stop) - head,start=markstoligature(head,start,stop,lig) - logprocess("%s: replacing %s upto %s by ligature %s case 1",pref(dataset,sequence),gref(startchar),gref(stopchar),gref(getchar(start))) - else - head,start=markstoligature(head,start,stop,lig) - end - return head,start,true,false - else - end - end - else - local skipmark=sequence.flags[1] - local discfound=false - local lastdisc=nil - while current do - local char,id=ischar(current,currentfont) - if char then - if skipmark and marks[char] then - current=getnext(current) - else - local lg=ligature[char] - if lg then - if not discfound and lastdisc then - discfound=lastdisc - lastdisc=nil - end - stop=current - ligature=lg - current=getnext(current) - else - break - end - end - elseif char==false then - break - elseif id==disc_code then - local replace=getfield(current,"replace") - if replace then - while replace do - local char,id=ischar(replace,currentfont) - if char then - local lg=ligature[char] - if lg then - ligature=lg - replace=getnext(replace) - else - return head,start,false,false - end - else - return head,start,false,false - end - end - stop=current - end - lastdisc=current - current=getnext(current) - else - break - end - end - local lig=ligature.ligature - if lig then - if stop then - if trace_ligatures then - local stopchar=getchar(stop) - head,start=toligature(head,start,stop,lig,dataset,sequence,skipmark,discfound) - logprocess("%s: replacing %s upto %s by ligature %s case 2",pref(dataset,sequence),gref(startchar),gref(stopchar),gref(lig)) - else - head,start=toligature(head,start,stop,lig,dataset,sequence,skipmark,discfound) - end - else - resetinjection(start) - setchar(start,lig) - if trace_ligatures then - logprocess("%s: replacing %s by (no real) ligature %s case 3",pref(dataset,sequence),gref(startchar),gref(lig)) - end - end - return head,start,true,discfound - else - end - end - return head,start,false,discfound -end -function handlers.gpos_single(head,start,dataset,sequence,kerns,rlmode,step,i,injection) - local startchar=getchar(start) - if step.format=="pair" then - local dx,dy,w,h=setpair(start,factor,rlmode,sequence.flags[4],kerns,injection) - if trace_kerns then - logprocess("%s: shifting single %s by (%p,%p) and correction (%p,%p)",pref(dataset,sequence),gref(startchar),dx,dy,w,h) - end - else - local k=setkern(start,factor,rlmode,kerns,injection) - if trace_kerns then - logprocess("%s: shifting single %s by %p",pref(dataset,sequence),gref(startchar),k) - end - end - return head,start,false -end -function handlers.gpos_pair(head,start,dataset,sequence,kerns,rlmode,step,i,injection) - local snext=getnext(start) - if not snext then - return head,start,false - else - local prev=start - local done=false - while snext do - local nextchar=ischar(snext,currentfont) - if nextchar then - local krn=kerns[nextchar] - if not krn and marks[nextchar] then - prev=snext - snext=getnext(snext) - elseif not krn then - break - elseif step.format=="pair" then - local a,b=krn[1],krn[2] - if optimizekerns then - if not b and a[1]==0 and a[2]==0 and a[4]==0 then - local k=setkern(snext,factor,rlmode,a[3],injection) - if trace_kerns then - logprocess("%s: shifting single %s by %p",pref(dataset,sequence),gref(nextchar),k) - end - done=true - break - end - end - if a and #a>0 then - local x,y,w,h=setpair(start,factor,rlmode,sequence.flags[4],a,injection) - if trace_kerns then - local startchar=getchar(start) - logprocess("%s: shifting first of pair %s and %s by (%p,%p) and correction (%p,%p) as %s",pref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h,injection or "injections") - end - end - if b and #b>0 then - local x,y,w,h=setpair(snext,factor,rlmode,sequence.flags[4],b,injection) - if trace_kerns then - local startchar=getchar(snext) - logprocess("%s: shifting second of pair %s and %s by (%p,%p) and correction (%p,%p) as %s",pref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h,injection or "injections") - end - end - done=true - break - elseif krn~=0 then - local k=setkern(snext,factor,rlmode,krn,injection) - if trace_kerns then - logprocess("%s: inserting kern %p between %s and %s as %s",pref(dataset,sequence),k,gref(getchar(prev)),gref(nextchar),injection or "injections") - end - done=true - break - else - break - end - else - break - end - end - return head,start,done - end -end -function handlers.gpos_mark2base(head,start,dataset,sequence,markanchors,rlmode) - local markchar=getchar(start) - if marks[markchar] then - local base=getprev(start) - if base then - local basechar=ischar(base,currentfont) - if basechar then - if marks[basechar] then - while base do - base=getprev(base) - if base then - basechar=ischar(base,currentfont) - if basechar then - if not marks[basechar] then - break - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),1) - end - return head,start,false - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),2) - end - return head,start,false - end - end - end - local ba=markanchors[1][basechar] - if ba then - local ma=markanchors[2] - local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks) - if trace_marks then - logprocess("%s, anchor %s, bound %s: anchoring mark %s to basechar %s => (%p,%p)", - pref(dataset,sequence),anchor,bound,gref(markchar),gref(basechar),dx,dy) - end - return head,start,true - end - elseif trace_bugs then - logwarning("%s: nothing preceding, case %i",pref(dataset,sequence),1) - end - elseif trace_bugs then - logwarning("%s: nothing preceding, case %i",pref(dataset,sequence),2) - end - elseif trace_bugs then - logwarning("%s: mark %s is no mark",pref(dataset,sequence),gref(markchar)) - end - return head,start,false -end -function handlers.gpos_mark2ligature(head,start,dataset,sequence,markanchors,rlmode) - local markchar=getchar(start) - if marks[markchar] then - local base=getprev(start) - if base then - local basechar=ischar(base,currentfont) - if basechar then - if marks[basechar] then - while base do - base=getprev(base) - if base then - basechar=ischar(base,currentfont) - if basechar then - if not marks[basechar] then - break - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),1) - end - return head,start,false - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),2) - end - return head,start,false - end - end - end - local ba=markanchors[1][basechar] - if ba then - local ma=markanchors[2] - if ma then - local index=getligaindex(start) - ba=ba[index] - if ba then - local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks) - if trace_marks then - logprocess("%s, anchor %s, index %s, bound %s: anchoring mark %s to baselig %s at index %s => (%p,%p)", - pref(dataset,sequence),anchor,index,bound,gref(markchar),gref(basechar),index,dx,dy) - end - return head,start,true - else - if trace_bugs then - logwarning("%s: no matching anchors for mark %s and baselig %s with index %a",pref(dataset,sequence),gref(markchar),gref(basechar),index) - end - end - end - elseif trace_bugs then - onetimemessage(currentfont,basechar,"no base anchors",report_fonts) - end - elseif trace_bugs then - logwarning("%s: prev node is no char, case %i",pref(dataset,sequence),1) - end - elseif trace_bugs then - logwarning("%s: prev node is no char, case %i",pref(dataset,sequence),2) - end - elseif trace_bugs then - logwarning("%s: mark %s is no mark",pref(dataset,sequence),gref(markchar)) - end - return head,start,false -end -function handlers.gpos_mark2mark(head,start,dataset,sequence,markanchors,rlmode) - local markchar=getchar(start) - if marks[markchar] then - local base=getprev(start) - local slc=getligaindex(start) - if slc then - while base do - local blc=getligaindex(base) - if blc and blc~=slc then - base=getprev(base) - else - break - end - end - end - if base then - local basechar=ischar(base,currentfont) - if basechar then - local ba=markanchors[1][basechar] - if ba then - local ma=markanchors[2] - local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],true,checkmarks) - if trace_marks then - logprocess("%s, anchor %s, bound %s: anchoring mark %s to basemark %s => (%p,%p)", - pref(dataset,sequence),anchor,bound,gref(markchar),gref(basechar),dx,dy) - end - return head,start,true - end - end - end - elseif trace_bugs then - logwarning("%s: mark %s is no mark",pref(dataset,sequence),gref(markchar)) - end - return head,start,false -end -function handlers.gpos_cursive(head,start,dataset,sequence,exitanchors,rlmode,step,i) - local done=false - local startchar=getchar(start) - if marks[startchar] then - if trace_cursive then - logprocess("%s: ignoring cursive for mark %s",pref(dataset,sequence),gref(startchar)) - end - else - local nxt=getnext(start) - while not done and nxt do - local nextchar=ischar(nxt,currentfont) - if not nextchar then - break - elseif marks[nextchar] then - nxt=getnext(nxt) - else - local exit=exitanchors[3] - if exit then - local entry=exitanchors[1][nextchar] - if entry then - entry=entry[2] - if entry then - local dx,dy,bound=setcursive(start,nxt,factor,rlmode,exit,entry,characters[startchar],characters[nextchar]) - if trace_cursive then - logprocess("%s: moving %s to %s cursive (%p,%p) using anchor %s and bound %s in %s mode",pref(dataset,sequence),gref(startchar),gref(nextchar),dx,dy,anchor,bound,mref(rlmode)) - end - done=true - end - end - end - break - end - end - end - return head,start,done -end -local chainprocs={} -local function logprocess(...) - if trace_steps then - registermessage(...) - end - report_subchain(...) -end -local logwarning=report_subchain -local function logprocess(...) - if trace_steps then - registermessage(...) - end - report_chain(...) -end -local logwarning=report_chain -local function reversesub(head,start,stop,dataset,sequence,replacements,rlmode) - local char=getchar(start) - local replacement=replacements[char] - if replacement then - if trace_singles then - logprocess("%s: single reverse replacement of %s by %s",cref(dataset,sequence),gref(char),gref(replacement)) - end - resetinjection(start) - setchar(start,replacement) - return head,start,true - else - return head,start,false - end -end -chainprocs.reversesub=reversesub -local function reportmoresteps(dataset,sequence) - logwarning("%s: more than 1 step",cref(dataset,sequence)) -end -function chainprocs.gsub_single(head,start,stop,dataset,sequence,currentlookup,chainindex) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local current=start - while current do - local currentchar=ischar(current) - if currentchar then - local replacement=steps[1].coverage[currentchar] - if not replacement or replacement=="" then - if trace_bugs then - logwarning("%s: no single for %s",cref(dataset,sequence,chainindex),gref(currentchar)) - end - else - if trace_singles then - logprocess("%s: replacing single %s by %s",cref(dataset,sequence,chainindex),gref(currentchar),gref(replacement)) - end - resetinjection(current) - setchar(current,replacement) - end - return head,start,true - elseif currentchar==false then - break - elseif current==stop then - break - else - current=getnext(current) - end - end - return head,start,false -end -function chainprocs.gsub_multiple(head,start,stop,dataset,sequence,currentlookup) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local startchar=getchar(start) - local replacement=steps[1].coverage[startchar] - if not replacement or replacement=="" then - if trace_bugs then - logwarning("%s: no multiple for %s",cref(dataset,sequence),gref(startchar)) - end - else - if trace_multiples then - logprocess("%s: replacing %s by multiple characters %s",cref(dataset,sequence),gref(startchar),gref(replacement)) - end - return multiple_glyphs(head,start,replacement,sequence.flags[1],dataset[1]) - end - return head,start,false -end -function chainprocs.gsub_alternate(head,start,stop,dataset,sequence,currentlookup) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local kind=dataset[4] - local what=dataset[1] - local value=what==true and tfmdata.shared.features[kind] or what - local current=start - while current do - local currentchar=ischar(current) - if currentchar then - local alternatives=steps[1].coverage[currentchar] - if alternatives then - local choice,comment=get_alternative_glyph(current,alternatives,value) - if choice then - if trace_alternatives then - logprocess("%s: replacing %s by alternative %a to %s, %s",cref(dataset,sequence),gref(char),choice,gref(choice),comment) - end - resetinjection(start) - setchar(start,choice) - else - if trace_alternatives then - logwarning("%s: no variant %a for %s, %s",cref(dataset,sequence),value,gref(char),comment) - end - end - end - return head,start,true - elseif currentchar==false then - break - elseif current==stop then - break - else - current=getnext(current) - end - end - return head,start,false -end -function chainprocs.gsub_ligature(head,start,stop,dataset,sequence,currentlookup,chainindex) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local startchar=getchar(start) - local ligatures=steps[1].coverage[startchar] - if not ligatures then - if trace_bugs then - logwarning("%s: no ligatures starting with %s",cref(dataset,sequence,chainindex),gref(startchar)) - end - else - local current=getnext(start) - local discfound=false - local last=stop - local nofreplacements=1 - local skipmark=currentlookup.flags[1] - while current do - local id=getid(current) - if id==disc_code then - if not discfound then - discfound=current - end - if current==stop then - break - else - current=getnext(current) - end - else - local schar=getchar(current) - if skipmark and marks[schar] then - current=getnext(current) - else - local lg=ligatures[schar] - if lg then - ligatures=lg - last=current - nofreplacements=nofreplacements+1 - if current==stop then - break - else - current=getnext(current) - end - else - break - end - end - end - end - local ligature=ligatures.ligature - if ligature then - if chainindex then - stop=last - end - if trace_ligatures then - if start==stop then - logprocess("%s: replacing character %s by ligature %s case 3",cref(dataset,sequence,chainindex),gref(startchar),gref(ligature)) - else - logprocess("%s: replacing character %s upto %s by ligature %s case 4",cref(dataset,sequence,chainindex),gref(startchar),gref(getchar(stop)),gref(ligature)) - end - end - head,start=toligature(head,start,stop,ligature,dataset,sequence,skipmark,discfound) - return head,start,true,nofreplacements,discfound - elseif trace_bugs then - if start==stop then - logwarning("%s: replacing character %s by ligature fails",cref(dataset,sequence,chainindex),gref(startchar)) - else - logwarning("%s: replacing character %s upto %s by ligature fails",cref(dataset,sequence,chainindex),gref(startchar),gref(getchar(stop))) - end - end - end - return head,start,false,0,false -end -function chainprocs.gpos_single(head,start,stop,dataset,sequence,currentlookup,rlmode,chainindex) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local startchar=getchar(start) - local step=steps[1] - local kerns=step.coverage[startchar] - if not kerns then - elseif step.format=="pair" then - local dx,dy,w,h=setpair(start,factor,rlmode,sequence.flags[4],kerns) - if trace_kerns then - logprocess("%s: shifting single %s by (%p,%p) and correction (%p,%p)",cref(dataset,sequence),gref(startchar),dx,dy,w,h) - end - else - local k=setkern(start,factor,rlmode,kerns,injection) - if trace_kerns then - logprocess("%s: shifting single %s by %p",cref(dataset,sequence),gref(startchar),k) - end - end - return head,start,false -end -function chainprocs.gpos_pair(head,start,stop,dataset,sequence,currentlookup,rlmode,chainindex) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local snext=getnext(start) - if snext then - local startchar=getchar(start) - local step=steps[1] - local kerns=step.coverage[startchar] - if kerns then - local prev=start - local done=false - while snext do - local nextchar=ischar(snext,currentfont) - if not nextchar then - break - end - local krn=kerns[nextchar] - if not krn and marks[nextchar] then - prev=snext - snext=getnext(snext) - elseif not krn then - break - elseif step.format=="pair" then - local a,b=krn[1],krn[2] - if optimizekerns then - if not b and a[1]==0 and a[2]==0 and a[4]==0 then - local k=setkern(snext,factor,rlmode,a[3],"injections") - if trace_kerns then - logprocess("%s: shifting single %s by %p",cref(dataset,sequence),gref(startchar),k) - end - done=true - break - end - end - if a and #a>0 then - local startchar=getchar(start) - local x,y,w,h=setpair(start,factor,rlmode,sequence.flags[4],a,"injections") - if trace_kerns then - logprocess("%s: shifting first of pair %s and %s by (%p,%p) and correction (%p,%p)",cref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h) - end - end - if b and #b>0 then - local startchar=getchar(start) - local x,y,w,h=setpair(snext,factor,rlmode,sequence.flags[4],b,"injections") - if trace_kerns then - logprocess("%s: shifting second of pair %s and %s by (%p,%p) and correction (%p,%p)",cref(dataset,sequence),gref(startchar),gref(nextchar),x,y,w,h) - end - end - done=true - break - elseif krn~=0 then - local k=setkern(snext,factor,rlmode,krn) - if trace_kerns then - logprocess("%s: inserting kern %s between %s and %s",cref(dataset,sequence),k,gref(getchar(prev)),gref(nextchar)) - end - done=true - break - else - break - end - end - return head,start,done - end - end - return head,start,false -end -function chainprocs.gpos_mark2base(head,start,stop,dataset,sequence,currentlookup,rlmode) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local markchar=getchar(start) - if marks[markchar] then - local markanchors=steps[1].coverage[markchar] - if markanchors then - local base=getprev(start) - if base then - local basechar=ischar(base,currentfont) - if basechar then - if marks[basechar] then - while base do - base=getprev(base) - if base then - local basechar=ischar(base,currentfont) - if basechar then - if not marks[basechar] then - break - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),1) - end - return head,start,false - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",pref(dataset,sequence),gref(markchar),2) - end - return head,start,false - end - end - end - local ba=markanchors[1][basechar] - if ba then - local ma=markanchors[2] - if ma then - local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks) - if trace_marks then - logprocess("%s, anchor %s, bound %s: anchoring mark %s to basechar %s => (%p,%p)", - cref(dataset,sequence),anchor,bound,gref(markchar),gref(basechar),dx,dy) - end - return head,start,true - end - end - elseif trace_bugs then - logwarning("%s: prev node is no char, case %i",cref(dataset,sequence),1) - end - elseif trace_bugs then - logwarning("%s: prev node is no char, case %i",cref(dataset,sequence),2) - end - elseif trace_bugs then - logwarning("%s: mark %s has no anchors",cref(dataset,sequence),gref(markchar)) - end - elseif trace_bugs then - logwarning("%s: mark %s is no mark",cref(dataset,sequence),gref(markchar)) - end - return head,start,false -end -function chainprocs.gpos_mark2ligature(head,start,stop,dataset,sequence,currentlookup,rlmode) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local markchar=getchar(start) - if marks[markchar] then - local markanchors=steps[1].coverage[markchar] - if markanchors then - local base=getprev(start) - if base then - local basechar=ischar(base,currentfont) - if basechar then - if marks[basechar] then - while base do - base=getprev(base) - if base then - local basechar=ischar(base,currentfont) - if basechar then - if not marks[basechar] then - break - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",cref(dataset,sequence),markchar,1) - end - return head,start,false - end - else - if trace_bugs then - logwarning("%s: no base for mark %s, case %i",cref(dataset,sequence),markchar,2) - end - return head,start,false - end - end - end - local ba=markanchors[1][basechar] - if ba then - local ma=markanchors[2] - if ma then - local index=getligaindex(start) - ba=ba[index] - if ba then - local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],false,checkmarks) - if trace_marks then - logprocess("%s, anchor %s, bound %s: anchoring mark %s to baselig %s at index %s => (%p,%p)", - cref(dataset,sequence),anchor,a or bound,gref(markchar),gref(basechar),index,dx,dy) - end - return head,start,true - end - end - end - elseif trace_bugs then - logwarning("%s, prev node is no char, case %i",cref(dataset,sequence),1) - end - elseif trace_bugs then - logwarning("%s, prev node is no char, case %i",cref(dataset,sequence),2) - end - elseif trace_bugs then - logwarning("%s, mark %s has no anchors",cref(dataset,sequence),gref(markchar)) - end - elseif trace_bugs then - logwarning("%s, mark %s is no mark",cref(dataset,sequence),gref(markchar)) - end - return head,start,false -end -function chainprocs.gpos_mark2mark(head,start,stop,dataset,sequence,currentlookup,rlmode) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local markchar=getchar(start) - if marks[markchar] then - local markanchors=steps[1].coverage[markchar] - if markanchors then - local base=getprev(start) - local slc=getligaindex(start) - if slc then - while base do - local blc=getligaindex(base) - if blc and blc~=slc then - base=getprev(base) - else - break - end - end - end - if base then - local basechar=ischar(base,currentfont) - if basechar then - local ba=markanchors[1][basechar] - if ba then - local ma=markanchors[2] - if ma then - local dx,dy,bound=setmark(start,base,factor,rlmode,ba,ma,characters[basechar],true,checkmarks) - if trace_marks then - logprocess("%s, anchor %s, bound %s: anchoring mark %s to basemark %s => (%p,%p)", - cref(dataset,sequence),anchor,bound,gref(markchar),gref(basechar),dx,dy) - end - return head,start,true - end - end - elseif trace_bugs then - logwarning("%s: prev node is no mark, case %i",cref(dataset,sequence),1) - end - elseif trace_bugs then - logwarning("%s: prev node is no mark, case %i",cref(dataset,sequence),2) - end - elseif trace_bugs then - logwarning("%s: mark %s has no anchors",cref(dataset,sequence),gref(markchar)) - end - elseif trace_bugs then - logwarning("%s: mark %s is no mark",cref(dataset,sequence),gref(markchar)) - end - return head,start,false -end -function chainprocs.gpos_cursive(head,start,stop,dataset,sequence,currentlookup,rlmode) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - local startchar=getchar(start) - local exitanchors=steps[1].coverage[startchar] - if exitanchors then - local done=false - if marks[startchar] then - if trace_cursive then - logprocess("%s: ignoring cursive for mark %s",pref(dataset,sequence),gref(startchar)) - end - else - local nxt=getnext(start) - while not done and nxt do - local nextchar=ischar(nxt,currentfont) - if not nextchar then - break - elseif marks[nextchar] then - nxt=getnext(nxt) - else - local exit=exitanchors[3] - if exit then - local entry=exitanchors[1][nextchar] - if entry then - entry=entry[2] - if entry then - local dx,dy,bound=setcursive(start,nxt,factor,rlmode,exit,entry,characters[startchar],characters[nextchar]) - if trace_cursive then - logprocess("%s: moving %s to %s cursive (%p,%p) using anchor %s and bound %s in %s mode",pref(dataset,sequence),gref(startchar),gref(nextchar),dx,dy,anchor,bound,mref(rlmode)) - end - done=true - break - end - end - elseif trace_bugs then - onetimemessage(currentfont,startchar,"no entry anchors",report_fonts) - end - break - end - end - end - return head,start,done - else - if trace_cursive and trace_details then - logprocess("%s, cursive %s is already done",pref(dataset,sequence),gref(getchar(start)),alreadydone) - end - return head,start,false - end -end -local function show_skip(dataset,sequence,char,ck,class) - logwarning("%s: skipping char %s, class %a, rule %a, lookuptype %a",cref(dataset,sequence),gref(char),class,ck[1],ck[8] or ck[2]) -end -local new_kern=nuts.pool.kern -local function checked(head) - local current=head - while current do - if getid(current)==glue_code then - local kern=new_kern(getfield(current,"width")) - if head==current then - local next=getnext(current) - if next then - setlink(kern,next) - end - flush_node(current) - head=kern - current=next - else - local prev,next=getboth(current) - setlink(prev,kern) - setlink(kern,next) - flush_node(current) - current=next - end - else - current=getnext(current) - end - end - return head -end -local function setdiscchecked(d,pre,post,replace) - if pre then pre=checked(pre) end - if post then post=checked(post) end - if replace then replace=checked(replace) end - setdisc(d,pre,post,replace) -end -local function chaindisk(head,start,last,dataset,sequence,chainlookup,rlmode,k,ck,chainproc) - if not start then - return head,start,false - end - local startishead=start==head - local seq=ck[3] - local f=ck[4] - local l=ck[5] - local s=#seq - local done=false - local sweepnode=sweepnode - local sweeptype=sweeptype - local sweepoverflow=false - local checkdisc=getprev(head) - local keepdisc=not sweepnode - local lookaheaddisc=nil - local backtrackdisc=nil - local current=start - local last=start - local prev=getprev(start) - local hasglue=false - local i=f - while i<=l do - local id=getid(current) - if id==glyph_code then - i=i+1 - last=current - current=getnext(current) - elseif id==glue_code then - i=i+1 - last=current - current=getnext(current) - hasglue=true - elseif id==disc_code then - if keepdisc then - keepdisc=false - if notmatchpre[current]~=notmatchreplace[current] then - lookaheaddisc=current - end - local replace=getfield(current,"replace") - while replace and i<=l do - if getid(replace)==glyph_code then - i=i+1 - end - replace=getnext(replace) - end - last=current - current=getnext(c) - else - head,current=flattendisk(head,current) - end - else - last=current - current=getnext(current) - end - if current then - elseif sweepoverflow then - break - elseif sweeptype=="post" or sweeptype=="replace" then - current=getnext(sweepnode) - if current then - sweeptype=nil - sweepoverflow=true - else - break - end - else - break - end - end - if sweepoverflow then - local prev=current and getprev(current) - if not current or prev~=sweepnode then - local head=getnext(sweepnode) - local tail=nil - if prev then - tail=prev - setprev(current,sweepnode) - else - tail=find_node_tail(head) - end - setnext(sweepnode,current) - setprev(head) - setnext(tail) - appenddisc(sweepnode,head) - end - end - if l<s then - local i=l - local t=sweeptype=="post" or sweeptype=="replace" - while current and i<s do - local id=getid(current) - if id==glyph_code then - i=i+1 - current=getnext(current) - elseif id==glue_code then - i=i+1 - current=getnext(current) - hasglue=true - elseif id==disc_code then - if keepdisc then - keepdisc=false - if notmatchpre[current]~=notmatchreplace[current] then - lookaheaddisc=current - end - local replace=getfield(c,"replace") - while replace and i<s do - if getid(replace)==glyph_code then - i=i+1 - end - replace=getnext(replace) - end - current=getnext(current) - elseif notmatchpre[current]~=notmatchreplace[current] then - head,current=flattendisk(head,current) - else - current=getnext(current) - end - else - current=getnext(current) - end - if not current and t then - current=getnext(sweepnode) - if current then - sweeptype=nil - end - end - end - end - if f>1 then - local current=prev - local i=f - local t=sweeptype=="pre" or sweeptype=="replace" - if not current and t and current==checkdisk then - current=getprev(sweepnode) - end - while current and i>1 do - local id=getid(current) - if id==glyph_code then - i=i-1 - elseif id==glue_code then - i=i-1 - hasglue=true - elseif id==disc_code then - if keepdisc then - keepdisc=false - if notmatchpost[current]~=notmatchreplace[current] then - backtrackdisc=current - end - local replace=getfield(current,"replace") - while replace and i>1 do - if getid(replace)==glyph_code then - i=i-1 - end - replace=getnext(replace) - end - elseif notmatchpost[current]~=notmatchreplace[current] then - head,current=flattendisk(head,current) - end - end - current=getprev(current) - if t and current==checkdisk then - current=getprev(sweepnode) - end - end - end - local ok=false - if lookaheaddisc then - local cf=start - local cl=getprev(lookaheaddisc) - local cprev=getprev(start) - local insertedmarks=0 - while cprev do - local char=ischar(cf,currentfont) - if char and marks[char] then - insertedmarks=insertedmarks+1 - cf=cprev - startishead=cf==head - cprev=getprev(cprev) - else - break - end - end - setprev(lookaheaddisc,cprev) - if cprev then - setnext(cprev,lookaheaddisc) - end - setprev(cf) - setnext(cl) - if startishead then - head=lookaheaddisc - end - local pre,post,replace=getdisc(lookaheaddisc) - local new=copy_node_list(cf) - local cnew=new - for i=1,insertedmarks do - cnew=getnext(cnew) - end - local clast=cnew - for i=f,l do - clast=getnext(clast) - end - if not notmatchpre[lookaheaddisc] then - cf,start,ok=chainproc(cf,start,last,dataset,sequence,chainlookup,rlmode,k) - end - if not notmatchreplace[lookaheaddisc] then - new,cnew,ok=chainproc(new,cnew,clast,dataset,sequence,chainlookup,rlmode,k) - end - if pre then - setlink(cl,pre) - end - if replace then - local tail=find_node_tail(new) - setlink(tail,replace) - end - if hasglue then - setdiscchecked(lookaheaddisc,cf,post,new) - else - setdisc(lookaheaddisc,cf,post,new) - end - start=getprev(lookaheaddisc) - sweephead[cf]=getnext(clast) - sweephead[new]=getnext(last) - elseif backtrackdisc then - local cf=getnext(backtrackdisc) - local cl=start - local cnext=getnext(start) - local insertedmarks=0 - while cnext do - local char=ischar(cnext,currentfont) - if char and marks[char] then - insertedmarks=insertedmarks+1 - cl=cnext - cnext=getnext(cnext) - else - break - end - end - if cnext then - setprev(cnext,backtrackdisc) - end - setnext(backtrackdisc,cnext) - setprev(cf) - setnext(cl) - local pre,post,replace,pretail,posttail,replacetail=getdisc(backtrackdisc,true) - local new=copy_node_list(cf) - local cnew=find_node_tail(new) - for i=1,insertedmarks do - cnew=getprev(cnew) - end - local clast=cnew - for i=f,l do - clast=getnext(clast) - end - if not notmatchpost[backtrackdisc] then - cf,start,ok=chainproc(cf,start,last,dataset,sequence,chainlookup,rlmode,k) - end - if not notmatchreplace[backtrackdisc] then - new,cnew,ok=chainproc(new,cnew,clast,dataset,sequence,chainlookup,rlmode,k) - end - if post then - setlink(posttail,cf) - else - post=cf - end - if replace then - setlink(replacetail,new) - else - replace=new - end - if hasglue then - setdiscchecked(backtrackdisc,pre,post,replace) - else - setdisc(backtrackdisc,pre,post,replace) - end - start=getprev(backtrackdisc) - sweephead[post]=getnext(clast) - sweephead[replace]=getnext(last) - else - head,start,ok=chainproc(head,start,last,dataset,sequence,chainlookup,rlmode,k) - end - return head,start,ok -end -local noflags={ false,false,false,false } -local function handle_contextchain(head,start,dataset,sequence,contexts,rlmode) - local sweepnode=sweepnode - local sweeptype=sweeptype - local currentfont=currentfont - local diskseen=false - local checkdisc=getprev(head) - local flags=sequence.flags or noflags - local done=false - local skipmark=flags[1] - local skipligature=flags[2] - local skipbase=flags[3] - local markclass=sequence.markclass - local skipped=false - for k=1,#contexts do - local match=true - local current=start - local last=start - local ck=contexts[k] - local seq=ck[3] - local s=#seq - local size=1 - if s==1 then - local char=ischar(current,currentfont) - if char then - match=seq[1][char] - end - else - local f=ck[4] - local l=ck[5] - size=l-f+1 - if size>1 then - local discfound=nil - local n=f+1 - last=getnext(last) - while n<=l do - if not last and (sweeptype=="post" or sweeptype=="replace") then - last=getnext(sweepnode) - sweeptype=nil - end - if last then - local char,id=ischar(last,currentfont) - if char then - local ccd=descriptions[char] - if ccd then - local class=ccd.class or "base" - if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then - skipped=true - if trace_skips then - show_skip(dataset,sequence,char,ck,class) - end - last=getnext(last) - elseif seq[n][char] then - if n<l then - last=getnext(last) - end - n=n+1 - else - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpre[discfound] - else - match=false - end - break - end - else - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpre[discfound] - else - match=false - end - break - end - elseif char==false then - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpre[discfound] - else - match=false - end - break - elseif id==disc_code then - diskseen=true - discfound=last - notmatchpre[last]=nil - notmatchpost[last]=true - notmatchreplace[last]=nil - local pre,post,replace=getdisc(last) - if pre then - local n=n - while pre do - if seq[n][getchar(pre)] then - n=n+1 - pre=getnext(pre) - if n>l then - break - end - else - notmatchpre[last]=true - break - end - end - if n<=l then - notmatchpre[last]=true - end - else - notmatchpre[last]=true - end - if replace then - while replace do - if seq[n][getchar(replace)] then - n=n+1 - replace=getnext(replace) - if n>l then - break - end - else - notmatchreplace[last]=true - match=not notmatchpre[last] - break - end - end - match=not notmatchpre[last] - end - last=getnext(last) - else - match=false - break - end - else - match=false - break - end - end - end - if match and f>1 then - local prev=getprev(start) - if prev then - if prev==checkdisc and (sweeptype=="pre" or sweeptype=="replace") then - prev=getprev(sweepnode) - end - if prev then - local discfound=nil - local n=f-1 - while n>=1 do - if prev then - local char,id=ischar(prev,currentfont) - if char then - local ccd=descriptions[char] - if ccd then - local class=ccd.class - if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then - skipped=true - if trace_skips then - show_skip(dataset,sequence,char,ck,class) - end - prev=getprev(prev) - elseif seq[n][char] then - if n>1 then - prev=getprev(prev) - end - n=n-1 - else - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpost[discfound] - else - match=false - end - break - end - else - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpost[discfound] - else - match=false - end - break - end - elseif char==false then - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpost[discfound] - else - match=false - end - break - elseif id==disc_code then - diskseen=true - discfound=prev - notmatchpre[prev]=true - notmatchpost[prev]=nil - notmatchreplace[prev]=nil - local pre,post,replace,pretail,posttail,replacetail=getdisc(prev,true) - if pre~=start and post~=start and replace~=start then - if post then - local n=n - while posttail do - if seq[n][getchar(posttail)] then - n=n-1 - if posttail==post then - break - else - posttail=getprev(posttail) - if n<1 then - break - end - end - else - notmatchpost[prev]=true - break - end - end - if n>=1 then - notmatchpost[prev]=true - end - else - notmatchpost[prev]=true - end - if replace then - while replacetail do - if seq[n][getchar(replacetail)] then - n=n-1 - if replacetail==replace then - break - else - replacetail=getprev(replacetail) - if n<1 then - break - end - end - else - notmatchreplace[prev]=true - match=not notmatchpost[prev] - break - end - end - if not match then - break - end - end - end - prev=getprev(prev) - elseif seq[n][32] and isspace(prev,threshold) then - n=n-1 - prev=getprev(prev) - else - match=false - break - end - else - match=false - break - end - end - else - match=false - end - else - match=false - end - end - if match and s>l then - local current=last and getnext(last) - if not current then - if sweeptype=="post" or sweeptype=="replace" then - current=getnext(sweepnode) - end - end - if current then - local discfound=nil - local n=l+1 - while n<=s do - if current then - local char,id=ischar(current,currentfont) - if char then - local ccd=descriptions[char] - if ccd then - local class=ccd.class - if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then - skipped=true - if trace_skips then - show_skip(dataset,sequence,char,ck,class) - end - current=getnext(current) - elseif seq[n][char] then - if n<s then - current=getnext(current) - end - n=n+1 - else - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpre[discfound] - else - match=false - end - break - end - else - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpre[discfound] - else - match=false - end - break - end - elseif char==false then - if discfound then - notmatchreplace[discfound]=true - match=not notmatchpre[discfound] - else - match=false - end - break - elseif id==disc_code then - diskseen=true - discfound=current - notmatchpre[current]=nil - notmatchpost[current]=true - notmatchreplace[current]=nil - local pre,post,replace=getdisc(current) - if pre then - local n=n - while pre do - if seq[n][getchar(pre)] then - n=n+1 - pre=getnext(pre) - if n>s then - break - end - else - notmatchpre[current]=true - break - end - end - if n<=s then - notmatchpre[current]=true - end - else - notmatchpre[current]=true - end - if replace then - while replace do - if seq[n][getchar(replace)] then - n=n+1 - replace=getnext(replace) - if n>s then - break - end - else - notmatchreplace[current]=true - match=notmatchpre[current] - break - end - end - if not match then - break - end - else - end - current=getnext(current) - elseif seq[n][32] and isspace(current,threshold) then - n=n+1 - current=getnext(current) - else - match=false - break - end - else - match=false - break - end - end - else - match=false - end - end - end - if match then - local diskchain=diskseen or sweepnode - if trace_contexts then - local rule=ck[1] - local lookuptype=ck[8] or ck[2] - local first=ck[4] - local last=ck[5] - local char=getchar(start) - logwarning("%s: rule %s matches at char %s for (%s,%s,%s) chars, lookuptype %a", - cref(dataset,sequence),rule,gref(char),first-1,last-first+1,s-last,lookuptype) - end - local chainlookups=ck[6] - if chainlookups then - local nofchainlookups=#chainlookups - if size==1 then - local chainlookup=chainlookups[1] - local chainkind=chainlookup.type - local chainproc=chainprocs[chainkind] - if chainproc then - local ok - if diskchain then - head,start,ok=chaindisk(head,start,last,dataset,sequence,chainlookup,rlmode,1,ck,chainproc) - else - head,start,ok=chainproc(head,start,last,dataset,sequence,chainlookup,rlmode,1) - end - if ok then - done=true - end - else - logprocess("%s: %s is not yet supported (1)",cref(dataset,sequence),chainkind) - end - else - local i=1 - while start do - if skipped then - while start do - local char=getchar(start) - local ccd=descriptions[char] - if ccd then - local class=ccd.class or "base" - if class==skipmark or class==skipligature or class==skipbase or (markclass and class=="mark" and not markclass[char]) then - start=getnext(start) - else - break - end - else - break - end - end - end - local chainlookup=chainlookups[i] - if chainlookup then - local chainkind=chainlookup.type - local chainproc=chainprocs[chainkind] - if chainproc then - local ok,n - if diskchain then - head,start,ok=chaindisk(head,start,last,dataset,sequence,chainlookup,rlmode,i,ck,chainproc) - else - head,start,ok,n=chainproc(head,start,last,dataset,sequence,chainlookup,rlmode,i) - end - if ok then - done=true - if n and n>1 and i+n>nofchainlookups then - break - end - end - else - logprocess("%s: %s is not yet supported (2)",cref(dataset,sequence),chainkind) - end - end - i=i+1 - if i>size or not start then - break - elseif start then - start=getnext(start) - end - end - end - else - local replacements=ck[7] - if replacements then - head,start,done=reversesub(head,start,last,dataset,sequence,replacements,rlmode) - else - done=true - if trace_contexts then - logprocess("%s: skipping match",cref(dataset,sequence)) - end - end - end - if done then - break - end - end - end - if diskseen then - notmatchpre={} - notmatchpost={} - notmatchreplace={} - end - return head,start,done -end -handlers.gsub_context=handle_contextchain -handlers.gsub_contextchain=handle_contextchain -handlers.gsub_reversecontextchain=handle_contextchain -handlers.gpos_contextchain=handle_contextchain -handlers.gpos_context=handle_contextchain -local function chained_contextchain(head,start,stop,dataset,sequence,currentlookup,rlmode) - local steps=currentlookup.steps - local nofsteps=currentlookup.nofsteps - if nofsteps>1 then - reportmoresteps(dataset,sequence) - end - return handle_contextchain(head,start,dataset,sequence,currentlookup,rlmode) -end -chainprocs.gsub_context=chained_contextchain -chainprocs.gsub_contextchain=chained_contextchain -chainprocs.gsub_reversecontextchain=chained_contextchain -chainprocs.gpos_contextchain=chained_contextchain -chainprocs.gpos_context=chained_contextchain -local missing=setmetatableindex("table") -local function logprocess(...) - if trace_steps then - registermessage(...) - end - report_process(...) -end -local logwarning=report_process -local function report_missing_coverage(dataset,sequence) - local t=missing[currentfont] - if not t[sequence] then - t[sequence]=true - logwarning("missing coverage for feature %a, lookup %a, type %a, font %a, name %a", - dataset[4],sequence.name,sequence.type,currentfont,tfmdata.properties.fullname) - end -end -local resolved={} -local sequencelists=setmetatableindex(function(t,font) - local sequences=fontdata[font].resources.sequences - if not sequences or not next(sequences) then - sequences=false - end - t[font]=sequences - return sequences -end) -local autofeatures=fonts.analyzers.features -local featuretypes=otf.tables.featuretypes -local defaultscript=otf.features.checkeddefaultscript -local defaultlanguage=otf.features.checkeddefaultlanguage -local function initialize(sequence,script,language,enabled,autoscript,autolanguage) - local features=sequence.features - if features then - local order=sequence.order - if order then - local featuretype=featuretypes[sequence.type or "unknown"] - for i=1,#order do - local kind=order[i] - local valid=enabled[kind] - if valid then - local scripts=features[kind] - local languages=scripts and ( - scripts[script] or - scripts[wildcard] or - (autoscript and defaultscript(featuretype,autoscript,scripts)) - ) - local enabled=languages and ( - languages[language] or - languages[wildcard] or - (autolanguage and defaultlanguage(featuretype,autolanguage,languages)) - ) - if enabled then - return { valid,autofeatures[kind] or false,sequence,kind } - end - end - end - else - end - end - return false -end -function otf.dataset(tfmdata,font) - local shared=tfmdata.shared - local properties=tfmdata.properties - local language=properties.language or "dflt" - local script=properties.script or "dflt" - local enabled=shared.features - local autoscript=enabled and enabled.autoscript - local autolanguage=enabled and enabled.autolanguage - local res=resolved[font] - if not res then - res={} - resolved[font]=res - end - local rs=res[script] - if not rs then - rs={} - res[script]=rs - end - local rl=rs[language] - if not rl then - rl={ - } - rs[language]=rl - local sequences=tfmdata.resources.sequences - if sequences then - for s=1,#sequences do - local v=enabled and initialize(sequences[s],script,language,enabled,autoscript,autolanguage) - if v then - rl[#rl+1]=v - end - end - end - end - return rl -end -local function report_disc(what,n) - report_run("%s: %s > %s",what,n,languages.serializediscretionary(n)) -end -local function kernrun(disc,k_run,font,attr,...) - if trace_kernruns then - report_disc("kern",disc) - end - local prev,next=getboth(disc) - local nextstart=next - local done=false - local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true) - local prevmarks=prev - while prevmarks do - local char=ischar(prevmarks,font) - if char and marks[char] then - prevmarks=getprev(prevmarks) - else - break - end - end - if prev and not ischar(prev,font) then - prev=false - end - if next and not ischar(next,font) then - next=false - end - if pre then - if k_run(pre,"injections",nil,font,attr,...) then - done=true - end - if prev then - local nest=getprev(pre) - setlink(prev,pre) - if k_run(prevmarks,"preinjections",pre,font,attr,...) then - done=true - end - setprev(pre,nest) - setnext(prev,disc) - end - end - if post then - if k_run(post,"injections",nil,font,attr,...) then - done=true - end - if next then - setlink(posttail,next) - if k_run(posttail,"postinjections",next,font,attr,...) then - done=true - end - setnext(posttail) - setprev(next,disc) - end - end - if replace then - if k_run(replace,"injections",nil,font,attr,...) then - done=true - end - if prev then - local nest=getprev(replace) - setlink(prev,replace) - if k_run(prevmarks,"replaceinjections",replace,font,attr,...) then - done=true - end - setprev(replace,nest) - setnext(prev,disc) - end - if next then - setlink(replacetail,next) - if k_run(replacetail,"replaceinjections",next,font,attr,...) then - done=true - end - setnext(replacetail) - setprev(next,disc) - end - elseif prev and next then - setlink(prev,next) - if k_run(prevmarks,"emptyinjections",next,font,attr,...) then - done=true - end - setlink(prev,disc) - setlink(disc,next) - end - return nextstart,done -end -local function comprun(disc,c_run,...) - if trace_compruns then - report_disc("comp",disc) - end - local pre,post,replace=getdisc(disc) - local renewed=false - if pre then - sweepnode=disc - sweeptype="pre" - local new,done=c_run(pre,...) - if done then - pre=new - renewed=true - end - end - if post then - sweepnode=disc - sweeptype="post" - local new,done=c_run(post,...) - if done then - post=new - renewed=true - end - end - if replace then - sweepnode=disc - sweeptype="replace" - local new,done=c_run(replace,...) - if done then - replace=new - renewed=true - end - end - sweepnode=nil - sweeptype=nil - if renewed then - setdisc(disc,pre,post,replace) - end - return getnext(disc),renewed -end -local function testrun(disc,t_run,c_run,...) - if trace_testruns then - report_disc("test",disc) - end - local prev,next=getboth(disc) - if not next then - return - end - local pre,post,replace,pretail,posttail,replacetail=getdisc(disc,true) - local done=false - if replace and prev then - setlink(replacetail,next) - local ok,overflow=t_run(replace,next,...) - if ok and overflow then - setfield(disc,"replace") - setlink(prev,replace) - setboth(disc) - flush_node_list(disc) - return replace,true - else - setnext(replacetail) - setprev(next,disc) - end - end - local renewed=false - if pre then - sweepnode=disc - sweeptype="pre" - local new,ok=c_run(pre,...) - if ok then - pre=new - renewed=true - end - end - if post then - sweepnode=disc - sweeptype="post" - local new,ok=c_run(post,...) - if ok then - post=new - renewed=true - end - end - if replace then - sweepnode=disc - sweeptype="replace" - local new,ok=c_run(replace,...) - if ok then - replace=new - renewed=true - end - end - sweepnode=nil - sweeptype=nil - if renewed then - setdisc(disc,pre,post,replace) - return next,true - else - return next,done - end -end -local nesting=0 -local function c_run_single(head,font,attr,lookupcache,step,dataset,sequence,rlmode,handler) - local done=false - local sweep=sweephead[head] - if sweep then - start=sweep - sweephead[head]=nil - else - start=head - end - while start do - local char=ischar(start,font) - if char then - local a=attr and getattr(start,0) - if not a or (a==attr) then - local lookupmatch=lookupcache[char] - if lookupmatch then - local ok - head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,step,1) - if ok then - done=true - end - end - if start then - start=getnext(start) - end - else - start=getnext(start) - end - elseif char==false then - return head,done - elseif sweep then - return head,done - else - start=getnext(start) - end - end - return head,done -end -local function t_run_single(start,stop,font,attr,lookupcache) - while start~=stop do - local char=ischar(start,font) - if char then - local a=attr and getattr(start,0) - if not a or (a==attr) then - local lookupmatch=lookupcache[char] - if lookupmatch then - local s=getnext(start) - local l=nil - local d=0 - while s do - if s==stop then - d=1 - elseif d>0 then - d=d+1 - end - local lg=lookupmatch[getchar(s)] - if lg then - l=lg - s=getnext(s) - else - break - end - end - if l and l.ligature then - return true,d>1 - end - end - else - end - start=getnext(start) - else - break - end - end -end -local function k_run_single(sub,injection,last,font,attr,lookupcache,step,dataset,sequence,rlmode,handler) - local a=attr and getattr(sub,0) - if not a or (a==attr) then - for n in traverse_nodes(sub) do - if n==last then - break - end - local char=ischar(n) - if char then - local lookupmatch=lookupcache[char] - if lookupmatch then - local h,d,ok=handler(sub,n,dataset,sequence,lookupmatch,rlmode,step,1,injection) - if ok then - return true - end - end - end - end - end -end -local function c_run_multiple(head,font,attr,steps,nofsteps,dataset,sequence,rlmode,handler) - local done=false - local sweep=sweephead[head] - if sweep then - start=sweep - sweephead[head]=nil - else - start=head - end - while start do - local char=ischar(start,font) - if char then - local a=attr and getattr(start,0) - if not a or (a==attr) then - for i=1,nofsteps do - local step=steps[i] - local lookupcache=step.coverage - if lookupcache then - local lookupmatch=lookupcache[char] - if lookupmatch then - local ok - head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,step,i) - if ok then - done=true - break - elseif not start then - break - end - end - else - report_missing_coverage(dataset,sequence) - end - end - if start then - start=getnext(start) - end - else - start=getnext(start) - end - elseif char==false then - return head,done - elseif sweep then - return head,done - else - start=getnext(start) - end - end - return head,done -end -local function t_run_multiple(start,stop,font,attr,steps,nofsteps) - while start~=stop do - local char=ischar(start,font) - if char then - local a=attr and getattr(start,0) - if not a or (a==attr) then - for i=1,nofsteps do - local step=steps[i] - local lookupcache=step.coverage - if lookupcache then - local lookupmatch=lookupcache[char] - if lookupmatch then - local s=getnext(start) - local l=nil - local d=0 - while s do - if s==stop then - d=1 - elseif d>0 then - d=d+1 - end - local lg=lookupmatch[getchar(s)] - if lg then - l=lg - s=getnext(s) - else - break - end - end - if l and l.ligature then - return true,d>1 - end - end - else - report_missing_coverage(dataset,sequence) - end - end - else - end - start=getnext(start) - else - break - end - end -end -local function k_run_multiple(sub,injection,last,font,attr,steps,nofsteps,dataset,sequence,rlmode,handler) - local a=attr and getattr(sub,0) - if not a or (a==attr) then - for n in traverse_nodes(sub) do - if n==last then - break - end - local char=ischar(n) - if char then - for i=1,nofsteps do - local step=steps[i] - local lookupcache=step.coverage - if lookupcache then - local lookupmatch=lookupcache[char] - if lookupmatch then - local h,d,ok=handler(head,n,dataset,sequence,lookupmatch,step,rlmode,i,injection) - if ok then - return true - end - end - else - report_missing_coverage(dataset,sequence) - end - end - end - end - end -end -local function txtdirstate(start,stack,top,rlparmode) - local dir=getfield(start,"dir") - local new=1 - if dir=="+TRT" then - top=top+1 - stack[top]=dir - new=-1 - elseif dir=="+TLT" then - top=top+1 - stack[top]=dir - elseif dir=="-TRT" or dir=="-TLT" then - top=top-1 - if stack[top]=="+TRT" then - new=-1 - end - else - new=rlparmode - end - if trace_directions then - report_process("directions after txtdir %a: parmode %a, txtmode %a, level %a",dir,mref(rlparmode),mref(new),top) - end - return getnext(start),top,new -end -local function pardirstate(start) - local dir=getfield(start,"dir") - local new=0 - if dir=="TLT" then - new=1 - elseif dir=="TRT" then - new=-1 - end - if trace_directions then - report_process("directions after pardir %a: parmode %a",dir,mref(new)) - end - return getnext(start),new,new -end -otf.helpers=otf.helpers or {} -otf.helpers.txtdirstate=txtdirstate -otf.helpers.pardirstate=pardirstate -local function featuresprocessor(head,font,attr) - local sequences=sequencelists[font] - if not sequencelists then - return head,false - end - nesting=nesting+1 - if nesting==1 then - currentfont=font - tfmdata=fontdata[font] - descriptions=tfmdata.descriptions - characters=tfmdata.characters - marks=tfmdata.resources.marks - threshold, - factor=getthreshold(font) - checkmarks=tfmdata.properties.checkmarks - elseif currentfont~=font then - report_warning("nested call with a different font, level %s, quitting",nesting) - nesting=nesting-1 - return head,false - end - head=tonut(head) - if trace_steps then - checkstep(head) - end - local rlmode=0 - local done=false - local datasets=otf.dataset(tfmdata,font,attr) - local forcedisc=alwaysdisc or not attr - local dirstack={} - sweephead={} - for s=1,#datasets do - local dataset=datasets[s] - local attribute=dataset[2] - local sequence=dataset[3] - local rlparmode=0 - local topstack=0 - local success=false - local typ=sequence.type - local gpossing=typ=="gpos_single" or typ=="gpos_pair" - local handler=handlers[typ] - local steps=sequence.steps - local nofsteps=sequence.nofsteps - if not steps then - local h,d,ok=handler(head,head,dataset,sequence,nil,nil,nil,0,font,attr) - if ok then - success=true - if h then - head=h - end - end - elseif typ=="gsub_reversecontextchain" then - local start=find_node_tail(head) - while start do - local char=ischar(start,font) - if char then - local a=attr and getattr(start,0) - if not a or (a==attr) then - for i=1,nofsteps do - local step=steps[i] - local lookupcache=step.coverage - if lookupcache then - local lookupmatch=lookupcache[char] - if lookupmatch then - local ok - head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,step,i) - if ok then - success=true - break - end - end - else - report_missing_coverage(dataset,sequence) - end - end - if start then - start=getprev(start) - end - else - start=getprev(start) - end - else - start=getprev(start) - end - end - else - local start=head - rlmode=0 - if nofsteps==1 then - local step=steps[1] - local lookupcache=step.coverage - if not lookupcache then - report_missing_coverage(dataset,sequence) - else - while start do - local char,id=ischar(start,font) - if char then - local a=attr and getattr(start,0) - if a then - a=(a==attr) and (not attribute or getprop(start,a_state)==attribute) - else - a=not attribute or getprop(start,a_state)==attribute - end - if a then - local lookupmatch=lookupcache[char] - if lookupmatch then - local ok - head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,step,1) - if ok then - success=true - end - end - if start then - start=getnext(start) - end - else - start=getnext(start) - end - elseif char==false then - start=getnext(start) - elseif id==disc_code then - local a=forcedisc or getsubtype(start)==discretionary_code or getattr(start,0)==attr - if a then - local ok - if gpossing then - start,ok=kernrun(start,k_run_single,font,attr,lookupcache,step,dataset,sequence,rlmode,handler) - elseif typ=="gsub_ligature" then - start,ok=testrun(start,t_run_single,c_run_single,font,attr,lookupcache,step,dataset,sequence,rlmode,handler) - else - start,ok=comprun(start,c_run_single,font,attr,lookupcache,step,dataset,sequence,rlmode,handler) - end - if ok then - success=true - end - else - start=getnext(start) - end - elseif id==math_code then - start=getnext(end_of_math(start)) - elseif id==dir_code then - start,topstack,rlmode=txtdirstate(start,dirstack,topstack,rlparmode) - elseif id==localpar_code then - start,rlparmode,rlmode=pardirstate(start) - else - start=getnext(start) - end - end - end - else - while start do - local char,id=ischar(start,font) - if char then - local a=attr and getattr(start,0) - if a then - a=(a==attr) and (not attribute or getprop(start,a_state)==attribute) - else - a=not attribute or getprop(start,a_state)==attribute - end - if a then - for i=1,nofsteps do - local step=steps[i] - local lookupcache=step.coverage - if lookupcache then - local lookupmatch=lookupcache[char] - if lookupmatch then - local ok - head,start,ok=handler(head,start,dataset,sequence,lookupmatch,rlmode,step,i) - if ok then - success=true - break - elseif not start then - break - end - end - else - report_missing_coverage(dataset,sequence) - end - end - if start then - start=getnext(start) - end - else - start=getnext(start) - end - elseif char==false then - start=getnext(start) - elseif id==disc_code then - local a=forcedisc or getsubtype(start)==discretionary_code or getattr(start,0)==attr - if a then - local ok - if gpossing then - start,ok=kernrun(start,k_run_multiple,font,attr,steps,nofsteps,dataset,sequence,rlmode,handler) - elseif typ=="gsub_ligature" then - start,ok=testrun(start,t_run_multiple,c_run_multiple,font,attr,steps,nofsteps,dataset,sequence,rlmode,handler) - else - start,ok=comprun(start,c_run_multiple,font,attr,steps,nofsteps,dataset,sequence,rlmode,handler) - end - if ok then - success=true - end - else - start=getnext(start) - end - elseif id==math_code then - start=getnext(end_of_math(start)) - elseif id==dir_code then - start,topstack,rlmode=txtdirstate(start,dirstack,topstack,rlparmode) - elseif id==localpar_code then - start,rlparmode,rlmode=pardirstate(start) - else - start=getnext(start) - end - end - end - end - if success then - done=true - end - if trace_steps then - registerstep(head) - end - end - nesting=nesting-1 - head=tonode(head) - return head,done -end -local plugins={} -otf.plugins=plugins -function otf.registerplugin(name,f) - if type(name)=="string" and type(f)=="function" then - plugins[name]={ name,f } - end -end -local function plugininitializer(tfmdata,value) - if type(value)=="string" then - tfmdata.shared.plugin=plugins[value] - end -end -local function pluginprocessor(head,font) - local s=fontdata[font].shared - local p=s and s.plugin - if p then - if trace_plugins then - report_process("applying plugin %a",p[1]) - end - return p[2](head,font) - else - return head,false - end -end -local function featuresinitializer(tfmdata,value) -end -registerotffeature { - name="features", - description="features", - default=true, - initializers={ - position=1, - node=featuresinitializer, - plug=plugininitializer, - }, - processors={ - node=featuresprocessor, - plug=pluginprocessor, - } -} -otf.nodemodeinitializer=featuresinitializer -otf.featuresprocessor=featuresprocessor -otf.handlers=handlers -local setspacekerns=nodes.injections.setspacekerns if not setspacekerns then os.exit() end -if fontfeatures then - function otf.handlers.trigger_space_kerns(head,start,dataset,sequence,_,_,_,_,font,attr) - local features=fontfeatures[font] - local enabled=features and features.spacekern and features.kern - if enabled then - setspacekerns(font,sequence) - end - return head,start,enabled - end -else - function otf.handlers.trigger_space_kerns(head,start,dataset,sequence,_,_,_,_,font,attr) - local shared=fontdata[font].shared - local features=shared and shared.features - local enabled=features and features.spacekern and features.kern - if enabled then - setspacekerns(font,sequence) - end - return head,start,enabled - end -end -local function hasspacekerns(data) - local sequences=data.resources.sequences - for i=1,#sequences do - local sequence=sequences[i] - local steps=sequence.steps - if steps and sequence.features.kern then - for i=1,#steps do - local coverage=steps[i].coverage - if not coverage then - elseif coverage[32] then - return true - else - for k,v in next,coverage do - if v[32] then - return true - end - end - end - end - end - end - return false -end -otf.readers.registerextender { - name="spacekerns", - action=function(data) - data.properties.hasspacekerns=hasspacekerns(data) - end -} -local function spaceinitializer(tfmdata,value) - local resources=tfmdata.resources - local spacekerns=resources and resources.spacekerns - local properties=tfmdata.properties - if value and spacekerns==nil then - if properties and properties.hasspacekerns then - local sequences=resources.sequences - local left={} - local right={} - local last=0 - local feat=nil - for i=1,#sequences do - local sequence=sequences[i] - local steps=sequence.steps - if steps then - local kern=sequence.features.kern - if kern then - if feat then - for script,languages in next,kern do - local f=feat[script] - if f then - for l in next,languages do - f[l]=true - end - else - feat[script]=languages - end - end - else - feat=kern - end - for i=1,#steps do - local step=steps[i] - local coverage=step.coverage - local rules=step.rules - local format=step.format - if rules then - elseif coverage then - local single=format==gpos_single - local kerns=coverage[32] - if kerns then - for k,v in next,kerns do - if type(v)~="table" then - right[k]=v - elseif single then - right[k]=v[3] - else - local one=v[1] - if one then - right[k]=one[3] - end - end - end - end - for k,v in next,coverage do - local kern=v[32] - if kern then - if type(kern)~="table" then - left[k]=kern - elseif single then - left[k]=v[3] - else - local one=v[1] - if one then - left[k]=one[3] - end - end - end - end - end - end - last=i - end - else - end - end - left=next(left) and left or false - right=next(right) and right or false - if left or right then - spacekerns={ - left=left, - right=right, - } - if last>0 then - local triggersequence={ - features={ kern=feat or { dflt={ dflt=true,} } }, - flags=noflags, - name="trigger_space_kerns", - order={ "kern" }, - type="trigger_space_kerns", - left=left, - right=right, - } - insert(sequences,last,triggersequence) - end - else - spacekerns=false - end - else - spacekerns=false - end - resources.spacekerns=spacekerns - end - return spacekerns -end -registerotffeature { - name="spacekern", - description="space kern injection", - default=true, - initializers={ - node=spaceinitializer, - }, -} -local function markinitializer(tfmdata,value) - local properties=tfmdata.properties - properties.checkmarks=value -end -registerotffeature { - name="checkmarks", - description="check mark widths", - default=true, - initializers={ - node=markinitializer, - }, -} - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ots”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-osd” 10ecd4b375680b011e7c6a25e5ad74f7] --- - -if not modules then modules={} end modules ['font-osd']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Kai Eigner, TAT Zetwerk / Hans Hagen, PRAGMA ADE", - copyright="TAT Zetwerk / PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local insert,imerge,copy=table.insert,table.imerge,table.copy -local next,type=next,type -local report_devanagari=logs.reporter("otf","devanagari") -fonts=fonts or {} -fonts.analyzers=fonts.analyzers or {} -fonts.analyzers.methods=fonts.analyzers.methods or { node={ otf={} } } -local otf=fonts.handlers.otf -local handlers=otf.handlers -local methods=fonts.analyzers.methods -local otffeatures=fonts.constructors.features.otf -local registerotffeature=otffeatures.register -local nuts=nodes.nuts -local tonode=nuts.tonode -local tonut=nuts.tonut -local getnext=nuts.getnext -local getprev=nuts.getprev -local getboth=nuts.getboth -local getid=nuts.getid -local getchar=nuts.getchar -local getfont=nuts.getfont -local getsubtype=nuts.getsubtype -local setlink=nuts.setlink -local setnext=nuts.setnext -local setprev=nuts.setprev -local setchar=nuts.setchar -local getprop=nuts.getprop -local setprop=nuts.setprop -local ischar=nuts.is_char -local insert_node_after=nuts.insert_after -local copy_node=nuts.copy -local remove_node=nuts.remove -local flush_list=nuts.flush_list -local flush_node=nuts.flush_node -local copyinjection=nodes.injections.copy -local unsetvalue=attributes.unsetvalue -local fontdata=fonts.hashes.identifiers -local a_state=attributes.private('state') -local a_syllabe=attributes.private('syllabe') -local dotted_circle=0x25CC -local states=fonts.analyzers.states -local s_rphf=states.rphf -local s_half=states.half -local s_pref=states.pref -local s_blwf=states.blwf -local s_pstf=states.pstf -local replace_all_nbsp=nil -replace_all_nbsp=function(head) - replace_all_nbsp=typesetters and typesetters.characters and typesetters.characters.replacenbspaces or function(head) - return head - end - return replace_all_nbsp(head) -end -local xprocesscharacters=nil -if context then - xprocesscharacters=function(head,font) - xprocesscharacters=nodes.handlers.characters - return xprocesscharacters(head,font) - end -else - xprocesscharacters=function(head,font) - xprocesscharacters=nodes.handlers.nodepass - return xprocesscharacters(head,font) - end -end -local function processcharacters(head,font) - return tonut(xprocesscharacters(tonode(head))) -end -local consonant={ - [0x0915]=true,[0x0916]=true,[0x0917]=true,[0x0918]=true, - [0x0919]=true,[0x091A]=true,[0x091B]=true,[0x091C]=true, - [0x091D]=true,[0x091E]=true,[0x091F]=true,[0x0920]=true, - [0x0921]=true,[0x0922]=true,[0x0923]=true,[0x0924]=true, - [0x0925]=true,[0x0926]=true,[0x0927]=true,[0x0928]=true, - [0x0929]=true,[0x092A]=true,[0x092B]=true,[0x092C]=true, - [0x092D]=true,[0x092E]=true,[0x092F]=true,[0x0930]=true, - [0x0931]=true,[0x0932]=true,[0x0933]=true,[0x0934]=true, - [0x0935]=true,[0x0936]=true,[0x0937]=true,[0x0938]=true, - [0x0939]=true,[0x0958]=true,[0x0959]=true,[0x095A]=true, - [0x095B]=true,[0x095C]=true,[0x095D]=true,[0x095E]=true, - [0x095F]=true,[0x0979]=true,[0x097A]=true, - [0x0C95]=true,[0x0C96]=true,[0x0C97]=true,[0x0C98]=true, - [0x0C99]=true,[0x0C9A]=true,[0x0C9B]=true,[0x0C9C]=true, - [0x0C9D]=true,[0x0C9E]=true,[0x0C9F]=true,[0x0CA0]=true, - [0x0CA1]=true,[0x0CA2]=true,[0x0CA3]=true,[0x0CA4]=true, - [0x0CA5]=true,[0x0CA6]=true,[0x0CA7]=true,[0x0CA8]=true, - [0x0CA9]=true,[0x0CAA]=true,[0x0CAB]=true,[0x0CAC]=true, - [0x0CAD]=true,[0x0CAE]=true,[0x0CAF]=true,[0x0CB0]=true, - [0x0CB1]=true,[0x0CB2]=true,[0x0CB3]=true,[0x0CB4]=true, - [0x0CB5]=true,[0x0CB6]=true,[0x0CB7]=true,[0x0CB8]=true, - [0x0CB9]=true, - [0x0CDE]=true, - [0x0D15]=true,[0x0D16]=true,[0x0D17]=true,[0x0D18]=true, - [0x0D19]=true,[0x0D1A]=true,[0x0D1B]=true,[0x0D1C]=true, - [0x0D1D]=true,[0x0D1E]=true,[0x0D1F]=true,[0x0D20]=true, - [0x0D21]=true,[0x0D22]=true,[0x0D23]=true,[0x0D24]=true, - [0x0D25]=true,[0x0D26]=true,[0x0D27]=true,[0x0D28]=true, - [0x0D29]=true,[0x0D2A]=true,[0x0D2B]=true,[0x0D2C]=true, - [0x0D2D]=true,[0x0D2E]=true,[0x0D2F]=true,[0x0D30]=true, - [0x0D31]=true,[0x0D32]=true,[0x0D33]=true,[0x0D34]=true, - [0x0D35]=true,[0x0D36]=true,[0x0D37]=true,[0x0D38]=true, - [0x0D39]=true,[0x0D3A]=true, -} -local independent_vowel={ - [0x0904]=true,[0x0905]=true,[0x0906]=true,[0x0907]=true, - [0x0908]=true,[0x0909]=true,[0x090A]=true,[0x090B]=true, - [0x090C]=true,[0x090D]=true,[0x090E]=true,[0x090F]=true, - [0x0910]=true,[0x0911]=true,[0x0912]=true,[0x0913]=true, - [0x0914]=true,[0x0960]=true,[0x0961]=true,[0x0972]=true, - [0x0973]=true,[0x0974]=true,[0x0975]=true,[0x0976]=true, - [0x0977]=true, - [0x0C85]=true,[0x0C86]=true,[0x0C87]=true,[0x0C88]=true, - [0x0C89]=true,[0x0C8A]=true,[0x0C8B]=true,[0x0C8C]=true, - [0x0C8D]=true,[0x0C8E]=true,[0x0C8F]=true,[0x0C90]=true, - [0x0C91]=true,[0x0C92]=true,[0x0C93]=true,[0x0C94]=true, - [0x0D05]=true,[0x0D06]=true,[0x0D07]=true,[0x0D08]=true, - [0x0D09]=true,[0x0D0A]=true,[0x0D0B]=true,[0x0D0C]=true, - [0x0D0E]=true,[0x0D0F]=true,[0x0D10]=true,[0x0D12]=true, - [0x0D13]=true,[0x0D14]=true, -} -local dependent_vowel={ - [0x093A]=true,[0x093B]=true,[0x093E]=true,[0x093F]=true, - [0x0940]=true,[0x0941]=true,[0x0942]=true,[0x0943]=true, - [0x0944]=true,[0x0945]=true,[0x0946]=true,[0x0947]=true, - [0x0948]=true,[0x0949]=true,[0x094A]=true,[0x094B]=true, - [0x094C]=true,[0x094E]=true,[0x094F]=true,[0x0955]=true, - [0x0956]=true,[0x0957]=true,[0x0962]=true,[0x0963]=true, - [0x0CBE]=true,[0x0CBF]=true,[0x0CC0]=true,[0x0CC1]=true, - [0x0CC2]=true,[0x0CC3]=true,[0x0CC4]=true,[0x0CC5]=true, - [0x0CC6]=true,[0x0CC7]=true,[0x0CC8]=true,[0x0CC9]=true, - [0x0CCA]=true,[0x0CCB]=true,[0x0CCC]=true, - [0x0D3E]=true,[0x0D3F]=true,[0x0D40]=true,[0x0D41]=true, - [0x0D42]=true,[0x0D43]=true,[0x0D44]=true,[0x0D46]=true, - [0x0D47]=true,[0x0D48]=true,[0x0D4A]=true,[0x0D4B]=true, - [0x0D4C]=true,[0x0D57]=true, -} -local vowel_modifier={ - [0x0900]=true,[0x0901]=true,[0x0902]=true,[0x0903]=true, - [0xA8E0]=true,[0xA8E1]=true,[0xA8E2]=true,[0xA8E3]=true, - [0xA8E4]=true,[0xA8E5]=true,[0xA8E6]=true,[0xA8E7]=true, - [0xA8E8]=true,[0xA8E9]=true,[0xA8EA]=true,[0xA8EB]=true, - [0xA8EC]=true,[0xA8ED]=true,[0xA8EE]=true,[0xA8EF]=true, - [0xA8F0]=true,[0xA8F1]=true, - [0x0D02]=true,[0x0D03]=true, -} -local stress_tone_mark={ - [0x0951]=true,[0x0952]=true,[0x0953]=true,[0x0954]=true, - [0x0CCD]=true, - [0x0D4D]=true, -} -local nukta={ - [0x093C]=true, - [0x0CBC]=true, -} -local halant={ - [0x094D]=true, - [0x0CCD]=true, - [0x0D4D]=true, -} -local ra={ - [0x0930]=true, - [0x0CB0]=true, - [0x0D30]=true, -} -local c_anudatta=0x0952 -local c_nbsp=0x00A0 -local c_zwnj=0x200C -local c_zwj=0x200D -local zw_char={ - [0x200C]=true, - [0x200D]=true, -} -local pre_mark={ - [0x093F]=true,[0x094E]=true, - [0x0D46]=true,[0x0D47]=true,[0x0D48]=true, -} -local above_mark={ - [0x0900]=true,[0x0901]=true,[0x0902]=true,[0x093A]=true, - [0x0945]=true,[0x0946]=true,[0x0947]=true,[0x0948]=true, - [0x0951]=true,[0x0953]=true,[0x0954]=true,[0x0955]=true, - [0xA8E0]=true,[0xA8E1]=true,[0xA8E2]=true,[0xA8E3]=true, - [0xA8E4]=true,[0xA8E5]=true,[0xA8E6]=true,[0xA8E7]=true, - [0xA8E8]=true,[0xA8E9]=true,[0xA8EA]=true,[0xA8EB]=true, - [0xA8EC]=true,[0xA8ED]=true,[0xA8EE]=true,[0xA8EF]=true, - [0xA8F0]=true,[0xA8F1]=true, - [0x0D4E]=true, -} -local below_mark={ - [0x093C]=true,[0x0941]=true,[0x0942]=true,[0x0943]=true, - [0x0944]=true,[0x094D]=true,[0x0952]=true,[0x0956]=true, - [0x0957]=true,[0x0962]=true,[0x0963]=true, -} -local post_mark={ - [0x0903]=true,[0x093B]=true,[0x093E]=true,[0x0940]=true, - [0x0949]=true,[0x094A]=true,[0x094B]=true,[0x094C]=true, - [0x094F]=true, -} -local twopart_mark={ - [0x0D4A]={ 0x0D46,0x0D3E,}, - [0x0D4B]={ 0x0D47,0x0D3E,}, - [0x0D4C]={ 0x0D46,0x0D57,}, -} -local mark_four={} -for k,v in next,pre_mark do mark_four[k]=pre_mark end -for k,v in next,above_mark do mark_four[k]=above_mark end -for k,v in next,below_mark do mark_four[k]=below_mark end -for k,v in next,post_mark do mark_four[k]=post_mark end -local mark_above_below_post={} -for k,v in next,above_mark do mark_above_below_post[k]=above_mark end -for k,v in next,below_mark do mark_above_below_post[k]=below_mark end -for k,v in next,post_mark do mark_above_below_post[k]=post_mark end -local reorder_class={ - [0x0930]="before postscript", - [0x093F]="before half", - [0x0940]="after subscript", - [0x0941]="after subscript", - [0x0942]="after subscript", - [0x0943]="after subscript", - [0x0944]="after subscript", - [0x0945]="after subscript", - [0x0946]="after subscript", - [0x0947]="after subscript", - [0x0948]="after subscript", - [0x0949]="after subscript", - [0x094A]="after subscript", - [0x094B]="after subscript", - [0x094C]="after subscript", - [0x0962]="after subscript", - [0x0963]="after subscript", - [0x093E]="after subscript", - [0x0CB0]="after postscript", - [0x0CBF]="before subscript", - [0x0CC6]="before subscript", - [0x0CCC]="before subscript", - [0x0CBE]="before subscript", - [0x0CE2]="before subscript", - [0x0CE3]="before subscript", - [0x0CC1]="before subscript", - [0x0CC2]="before subscript", - [0x0CC3]="after subscript", - [0x0CC4]="after subscript", - [0x0CD5]="after subscript", - [0x0CD6]="after subscript", -} -local dflt_true={ - dflt=true -} -local dev2_defaults={ - dev2=dflt_true, -} -local deva_defaults={ - dev2=dflt_true, - deva=dflt_true, -} -local false_flags={ false,false,false,false } -local both_joiners_true={ - [0x200C]=true, - [0x200D]=true, -} -local sequence_reorder_matras={ - features={ dv01=dev2_defaults }, - flags=false_flags, - name="dv01_reorder_matras", - order={ "dv01" }, - type="devanagari_reorder_matras", - nofsteps=1, - steps={ - { - osdstep=true, - coverage=pre_mark, - } - } -} -local sequence_reorder_reph={ - features={ dv02=dev2_defaults }, - flags=false_flags, - name="dv02_reorder_reph", - order={ "dv02" }, - type="devanagari_reorder_reph", - nofsteps=1, - steps={ - { - osdstep=true, - coverage={}, - } - } -} -local sequence_reorder_pre_base_reordering_consonants={ - features={ dv03=dev2_defaults }, - flags=false_flags, - name="dv03_reorder_pre_base_reordering_consonants", - order={ "dv03" }, - type="devanagari_reorder_pre_base_reordering_consonants", - nofsteps=1, - steps={ - { - osdstep=true, - coverage={}, - } - } -} -local sequence_remove_joiners={ - features={ dv04=deva_defaults }, - flags=false_flags, - name="dv04_remove_joiners", - order={ "dv04" }, - type="devanagari_remove_joiners", - nofsteps=1, - steps={ - { osdstep=true, - coverage=both_joiners_true, - }, - } -} -local basic_shaping_forms={ - nukt=true, - akhn=true, - rphf=true, - pref=true, - rkrf=true, - blwf=true, - half=true, - pstf=true, - vatu=true, - cjct=true, -} -local valid={ - akhn=true, - rphf=true, - pref=true, - half=true, - blwf=true, - pstf=true, - pres=true, - blws=true, - psts=true, -} -local function initializedevanagi(tfmdata) - local script,language=otf.scriptandlanguage(tfmdata,attr) - if script=="deva" or script=="dev2" or script=="mlym" or script=="mlm2" then - local resources=tfmdata.resources - local devanagari=resources.devanagari - if not devanagari then - report_devanagari("adding devanagari features to font") - local gsubfeatures=resources.features.gsub - local sequences=resources.sequences - local sharedfeatures=tfmdata.shared.features - local lastmatch=0 - for s=1,#sequences do - local features=sequences[s].features - if features then - for k,v in next,features do - if basic_shaping_forms[k] then - lastmatch=s - end - end - end - end - local insertindex=lastmatch+1 - gsubfeatures["dv01"]=dev2_defaults - gsubfeatures["dv02"]=dev2_defaults - gsubfeatures["dv03"]=dev2_defaults - gsubfeatures["dv04"]=deva_defaults - local reorder_pre_base_reordering_consonants=copy(sequence_reorder_pre_base_reordering_consonants) - local reorder_reph=copy(sequence_reorder_reph) - local reorder_matras=copy(sequence_reorder_matras) - local remove_joiners=copy(sequence_remove_joiners) - insert(sequences,insertindex,reorder_pre_base_reordering_consonants) - insert(sequences,insertindex,reorder_reph) - insert(sequences,insertindex,reorder_matras) - insert(sequences,insertindex,remove_joiners) - local blwfcache={} - local seqsubset={} - local rephstep={ - coverage={} - } - local devanagari={ - reph=false, - vattu=false, - blwfcache=blwfcache, - seqsubset=seqsubset, - reorderreph=rephstep, - } - reorder_reph.steps={ rephstep } - local pre_base_reordering_consonants={} - reorder_pre_base_reordering_consonants.steps[1].coverage=pre_base_reordering_consonants - resources.devanagari=devanagari - for s=1,#sequences do - local sequence=sequences[s] - local steps=sequence.steps - local nofsteps=sequence.nofsteps - local features=sequence.features - local has_rphf=features.rphf - local has_blwf=features.blwf - if has_rphf and has_rphf.deva then - devanagari.reph=true - elseif has_blwf and has_blwf.deva then - devanagari.vattu=true - for i=1,nofsteps do - local step=steps[i] - local coverage=step.coverage - if coverage then - for k,v in next,coverage do - if not blwfcache[k] then - blwfcache[k]=v - end - end - end - end - end - for kind,spec in next,features do - if spec.dev2 and valid[kind] then - for i=1,nofsteps do - local step=steps[i] - local coverage=step.coverage - if coverage then - local reph=false - if kind=="rphf" then - if true then - for k,v in next,ra do - local r=coverage[k] - if r then - local h=false - for k,v in next,halant do - local h=r[k] - if h then - reph=h.ligature or false - break - end - end - if reph then - break - end - end - end - else - end - end - seqsubset[#seqsubset+1]={ kind,coverage,reph } - end - end - end - if kind=="pref" then - local steps=sequence.steps - local nofsteps=sequence.nofsteps - for i=1,nofsteps do - local step=steps[i] - local coverage=step.coverage - if coverage then - for k,v in next,halant do - local h=coverage[k] - if h then - local found=false - for k,v in next,h do - found=v and v.ligature - if found then - pre_base_reordering_consonants[k]=found - break - end - end - if found then - break - end - end - end - end - end - end - end - end - if script=="deva" then - sharedfeatures["dv04"]=true - elseif script=="dev2" then - sharedfeatures["dv01"]=true - sharedfeatures["dv02"]=true - sharedfeatures["dv03"]=true - sharedfeatures["dv04"]=true - elseif script=="mlym" then - sharedfeatures["pstf"]=true - elseif script=="mlm2" then - sharedfeatures["pstf"]=true - sharedfeatures["pref"]=true - sharedfeatures["dv03"]=true - gsubfeatures ["dv03"]=dev2_defaults - insert(sequences,insertindex,sequence_reorder_pre_base_reordering_consonants) - end - end - end -end -registerotffeature { - name="devanagari", - description="inject additional features", - default=true, - initializers={ - node=initializedevanagi, - }, -} -local function deva_initialize(font,attr) - local tfmdata=fontdata[font] - local datasets=otf.dataset(tfmdata,font,attr) - local devanagaridata=datasets.devanagari - if not devanagaridata then - devanagaridata={ - reph=false, - vattu=false, - blwfcache={}, - } - datasets.devanagari=devanagaridata - local resources=tfmdata.resources - local devanagari=resources.devanagari - for s=1,#datasets do - local dataset=datasets[s] - if dataset and dataset[1] then - local kind=dataset[4] - if kind=="rphf" then - devanagaridata.reph=true - elseif kind=="blwf" then - devanagaridata.vattu=true - devanagaridata.blwfcache=devanagari.blwfcache - end - end - end - end - return devanagaridata.reph,devanagaridata.vattu,devanagaridata.blwfcache -end -local function deva_reorder(head,start,stop,font,attr,nbspaces) - local reph,vattu,blwfcache=deva_initialize(font,attr) - local current=start - local n=getnext(start) - local base=nil - local firstcons=nil - local lastcons=nil - local basefound=false - if reph and ra[getchar(start)] and halant[getchar(n)] then - if n==stop then - return head,stop,nbspaces - end - if getchar(getnext(n))==c_zwj then - current=start - else - current=getnext(n) - setprop(start,a_state,s_rphf) - end - end - if getchar(current)==c_nbsp then - if current==stop then - stop=getprev(stop) - head=remove_node(head,current) - flush_node(current) - return head,stop,nbspaces - else - nbspaces=nbspaces+1 - base=current - firstcons=current - lastcons=current - current=getnext(current) - if current~=stop then - if nukta[getchar(current)] then - current=getnext(current) - end - if getchar(current)==c_zwj then - if current~=stop then - local next=getnext(current) - if next~=stop and halant[getchar(next)] then - current=next - next=getnext(current) - local tmp=next and getnext(next) or nil - local changestop=next==stop - local tempcurrent=copy_node(next) - copyinjection(tempcurrent,next) - local nextcurrent=copy_node(current) - copyinjection(nextcurrent,current) - setlink(tempcurrent,nextcurrent) - setprop(tempcurrent,a_state,s_blwf) - tempcurrent=processcharacters(tempcurrent,font) - setprop(tempcurrent,a_state,unsetvalue) - if getchar(next)==getchar(tempcurrent) then - flush_list(tempcurrent) - local n=copy_node(current) - copyinjection(n,current) - setchar(current,dotted_circle) - head=insert_node_after(head,current,n) - else - setchar(current,getchar(tempcurrent)) - local freenode=getnext(current) - setlink(current,tmp) - flush_node(freenode) - flush_list(tempcurrent) - if changestop then - stop=current - end - end - end - end - end - end - end - end - while not basefound do - local char=getchar(current) - if consonant[char] then - setprop(current,a_state,s_half) - if not firstcons then - firstcons=current - end - lastcons=current - if not base then - base=current - elseif blwfcache[char] then - setprop(current,a_state,s_blwf) - else - base=current - end - end - basefound=current==stop - current=getnext(current) - end - if base~=lastcons then - local np=base - local n=getnext(base) - local ch=getchar(n) - if nukta[ch] then - np=n - n=getnext(n) - ch=getchar(n) - end - if halant[ch] then - if lastcons~=stop then - local ln=getnext(lastcons) - if nukta[getchar(ln)] then - lastcons=ln - end - end - local nn=getnext(n) - local ln=getnext(lastcons) - setlink(np,nn) - setnext(lastcons,n) - if ln then - setprev(ln,n) - end - setnext(n,ln) - setprev(n,lastcons) - if lastcons==stop then - stop=n - end - end - end - n=getnext(start) - if n~=stop and ra[getchar(start)] and halant[getchar(n)] and not zw_char[getchar(getnext(n))] then - local matra=base - if base~=stop then - local next=getnext(base) - if dependent_vowel[getchar(next)] then - matra=next - end - end - local sp=getprev(start) - local nn=getnext(n) - local mn=getnext(matra) - setlink(sp,nn) - setlink(matra,start) - setlink(n,mn) - if head==start then - head=nn - end - start=nn - if matra==stop then - stop=n - end - end - local current=start - while current~=stop do - local next=getnext(current) - if next~=stop and halant[getchar(next)] and getchar(getnext(next))==c_zwnj then - setprop(current,a_state,unsetvalue) - end - current=next - end - if base~=stop and getprop(base,a_state) then - local next=getnext(base) - if halant[getchar(next)] and not (next~=stop and getchar(getnext(next))==c_zwj) then - setprop(base,a_state,unsetvalue) - end - end - local current,allreordered,moved=start,false,{ [base]=true } - local a,b,p,bn=base,base,base,getnext(base) - if base~=stop and nukta[getchar(bn)] then - a,b,p=bn,bn,bn - end - while not allreordered do - local c=current - local n=getnext(current) - local l=nil - if c~=stop then - local ch=getchar(n) - if nukta[ch] then - c=n - n=getnext(n) - ch=getchar(n) - end - if c~=stop then - if halant[ch] then - c=n - n=getnext(n) - ch=getchar(n) - end - while c~=stop and dependent_vowel[ch] do - c=n - n=getnext(n) - ch=getchar(n) - end - if c~=stop then - if vowel_modifier[ch] then - c=n - n=getnext(n) - ch=getchar(n) - end - if c~=stop and stress_tone_mark[ch] then - c=n - n=getnext(n) - end - end - end - end - local bp=getprev(firstcons) - local cn=getnext(current) - local last=getnext(c) - while cn~=last do - if pre_mark[getchar(cn)] then - if bp then - setnext(bp,cn) - end - local prev,next=getboth(cn) - if next then - setprev(next,prev) - end - setnext(prev,next) - if cn==stop then - stop=prev - end - setprev(cn,bp) - setlink(cn,firstcons) - if firstcons==start then - if head==start then - head=cn - end - start=cn - end - break - end - cn=getnext(cn) - end - allreordered=c==stop - current=getnext(c) - end - if reph or vattu then - local current,cns=start,nil - while current~=stop do - local c=current - local n=getnext(current) - if ra[getchar(current)] and halant[getchar(n)] then - c=n - n=getnext(n) - local b,bn=base,base - while bn~=stop do - local next=getnext(bn) - if dependent_vowel[getchar(next)] then - b=next - end - bn=next - end - if getprop(current,a_state)==s_rphf then - if b~=current then - if current==start then - if head==start then - head=n - end - start=n - end - if b==stop then - stop=c - end - local prev=getprev(current) - setlink(prev,n) - local next=getnext(b) - setlink(c,next) - setlink(b,current) - end - elseif cns and getnext(cns)~=current then - local cp=getprev(current) - local cnsn=getnext(cns) - setlink(cp,n) - setlink(cns,current) - setlink(c,cnsn) - if c==stop then - stop=cp - break - end - current=getprev(n) - end - else - local char=getchar(current) - if consonant[char] then - cns=current - local next=getnext(cns) - if halant[getchar(next)] then - cns=next - end - elseif char==c_nbsp then - nbspaces=nbspaces+1 - cns=current - local next=getnext(cns) - if halant[getchar(next)] then - cns=next - end - end - end - current=getnext(current) - end - end - if getchar(base)==c_nbsp then - nbspaces=nbspaces-1 - head=remove_node(head,base) - flush_node(base) - end - return head,stop,nbspaces -end -function handlers.devanagari_reorder_matras(head,start) - local current=start - local startfont=getfont(start) - local startattr=getprop(start,a_syllabe) - while current do - local char=ischar(current,startfont) - local next=getnext(current) - if char and getprop(current,a_syllabe)==startattr then - if halant[char] and not getprop(current,a_state) then - if next then - local char=ischar(next,startfont) - if char and zw_char[char] and getprop(next,a_syllabe)==startattr then - current=next - next=getnext(current) - end - end - local startnext=getnext(start) - head=remove_node(head,start) - setlink(start,next) - setlink(current,start) - start=startnext - break - end - else - break - end - current=next - end - return head,start,true -end -function handlers.devanagari_reorder_reph(head,start) - local current=getnext(start) - local startnext=nil - local startprev=nil - local startfont=getfont(start) - local startattr=getprop(start,a_syllabe) - while current do - local char=ischar(current,startfont) - if char and getprop(current,a_syllabe)==startattr then - if halant[char] and not getprop(current,a_state) then - local next=getnext(current) - if next then - local nextchar=ischar(next,startfont) - if nextchar and zw_char[nextchar] and getprop(next,a_syllabe)==startattr then - current=next - next=getnext(current) - end - end - startnext=getnext(start) - head=remove_node(head,start) - setlink(start,next) - setlink(current,start) - start=startnext - startattr=getprop(start,a_syllabe) - break - end - current=getnext(current) - else - break - end - end - if not startnext then - current=getnext(start) - while current do - local char=ischar(current,startfont) - if char and getprop(current,a_syllabe)==startattr then - if getprop(current,a_state)==s_pstf then - startnext=getnext(start) - head=remove_node(head,start) - local prev=getprev(current) - setlink(prev,start) - setlink(start,current) - start=startnext - startattr=getprop(start,a_syllabe) - break - end - current=getnext(current) - else - break - end - end - end - if not startnext then - current=getnext(start) - local c=nil - while current do - local char=ischar(current,startfont) - if char and getprop(current,a_syllabe)==startattr then - if not c and mark_above_below_post[char] and reorder_class[char]~="after subscript" then - c=current - end - current=getnext(current) - else - break - end - end - if c then - startnext=getnext(start) - head=remove_node(head,start) - local prev=getprev(c) - setlink(prev,start) - setlink(start,c) - start=startnext - startattr=getprop(start,a_syllabe) - end - end - if not startnext then - current=start - local next=getnext(current) - while next do - local nextchar=ischar(next,startfont) - if nextchar and getprop(next,a_syllabe)==startattr then - current=next - next=getnext(current) - else - break - end - end - if start~=current then - startnext=getnext(start) - head=remove_node(head,start) - local next=getnext(current) - setlink(start,next) - setlink(current,start) - start=startnext - end - end - return head,start,true -end -function handlers.devanagari_reorder_pre_base_reordering_consonants(head,start) - local current=start - local startnext=nil - local startprev=nil - local startfont=getfont(start) - local startattr=getprop(start,a_syllabe) - while current do - local char=ischar(current,startfont) - if char and getprop(current,a_syllabe)==startattr then - local next=getnext(current) - if halant[char] and not getprop(current,a_state) then - if next then - local nextchar=ischar(next,startfont) - if nextchar and getprop(next,a_syllabe)==startattr then - if nextchar==c_zwnj or nextchar==c_zwj then - current=next - next=getnext(current) - end - end - end - startnext=getnext(start) - removenode(start,start) - setlink(start,next) - setlink(current,start) - start=startnext - break - end - current=next - else - break - end - end - if not startnext then - current=getnext(start) - startattr=getprop(start,a_syllabe) - while current do - local char=ischar(current,startfont) - if char and getprop(current,a_syllabe)==startattr then - if not consonant[char] and getprop(current,a_state) then - startnext=getnext(start) - removenode(start,start) - local prev=getprev(current) - setlink(prev,start) - setlink(start,current) - start=startnext - break - end - current=getnext(current) - else - break - end - end - end - return head,start,true -end -function handlers.devanagari_remove_joiners(head,start,kind,lookupname,replacement) - local stop=getnext(start) - local font=getfont(start) - local last=start - while stop do - local char=ischar(stop,font) - if char and (char==c_zwnj or char==c_zwj) then - last=stop - stop=getnext(stop) - else - break - end - end - local prev=getprev(start) - if stop then - setnext(last) - setlink(prev,stop) - elseif prev then - setnext(prev) - end - if head==start then - head=stop - end - flush_list(start) - return head,stop,true -end -local function dev2_initialize(font,attr) - local devanagari=fontdata[font].resources.devanagari - if devanagari then - return devanagari.seqsubset or {},devanagari.reorderreph or {} - else - return {},{} - end -end -local function dev2_reorder(head,start,stop,font,attr,nbspaces) - local seqsubset,reorderreph=dev2_initialize(font,attr) - local reph=false - local halfpos=nil - local basepos=nil - local subpos=nil - local postpos=nil - local locl={} - for i=1,#seqsubset do - local subset=seqsubset[i] - local kind=subset[1] - local lookupcache=subset[2] - if kind=="rphf" then - reph=subset[3] - local current=start - local last=getnext(stop) - while current~=last do - if current~=stop then - local c=locl[current] or getchar(current) - local found=lookupcache[c] - if found then - local next=getnext(current) - local n=locl[next] or getchar(next) - if found[n] then - local afternext=next~=stop and getnext(next) - if afternext and zw_char[getchar(afternext)] then - current=next - current=getnext(current) - elseif current==start then - setprop(current,a_state,s_rphf) - current=next - else - current=next - end - end - end - end - current=getnext(current) - end - elseif kind=="pref" then - local current=start - local last=getnext(stop) - while current~=last do - if current~=stop then - local c=locl[current] or getchar(current) - local found=lookupcache[c] - if found then - local next=getnext(current) - local n=locl[next] or getchar(next) - if found[n] then - setprop(current,a_state,s_pref) - setprop(next,a_state,s_pref) - current=next - end - end - end - current=getnext(current) - end - elseif kind=="half" then - local current=start - local last=getnext(stop) - while current~=last do - if current~=stop then - local c=locl[current] or getchar(current) - local found=lookupcache[c] - if found then - local next=getnext(current) - local n=locl[next] or getchar(next) - if found[n] then - if next~=stop and getchar(getnext(next))==c_zwnj then - current=next - else - setprop(current,a_state,s_half) - if not halfpos then - halfpos=current - end - end - current=getnext(current) - end - end - end - current=getnext(current) - end - elseif kind=="blwf" then - local current=start - local last=getnext(stop) - while current~=last do - if current~=stop then - local c=locl[current] or getchar(current) - local found=lookupcache[c] - if found then - local next=getnext(current) - local n=locl[next] or getchar(next) - if found[n] then - setprop(current,a_state,s_blwf) - setprop(next,a_state,s_blwf) - current=next - subpos=current - end - end - end - current=getnext(current) - end - elseif kind=="pstf" then - local current=start - local last=getnext(stop) - while current~=last do - if current~=stop then - local c=locl[current] or getchar(current) - local found=lookupcache[c] - if found then - local next=getnext(current) - local n=locl[next] or getchar(next) - if found[n] then - setprop(current,a_state,s_pstf) - setprop(next,a_state,s_pstf) - current=next - postpos=current - end - end - end - current=getnext(current) - end - end - end - reorderreph.coverage={ [reph]=true } - local current,base,firstcons=start,nil,nil - if getprop(start,a_state)==s_rphf then - current=getnext(getnext(start)) - end - if current~=getnext(stop) and getchar(current)==c_nbsp then - if current==stop then - stop=getprev(stop) - head=remove_node(head,current) - flush_node(current) - return head,stop,nbspaces - else - nbspaces=nbspaces+1 - base=current - current=getnext(current) - if current~=stop then - local char=getchar(current) - if nukta[char] then - current=getnext(current) - char=getchar(current) - end - if char==c_zwj then - local next=getnext(current) - if current~=stop and next~=stop and halant[getchar(next)] then - current=next - next=getnext(current) - local tmp=getnext(next) - local changestop=next==stop - setnext(next,nil) - setprop(current,a_state,s_pref) - current=processcharacters(current,font) - setprop(current,a_state,s_blwf) - current=processcharacters(current,font) - setprop(current,a_state,s_pstf) - current=processcharacters(current,font) - setprop(current,a_state,unsetvalue) - if halant[getchar(current)] then - setnext(getnext(current),tmp) - local nc=copy_node(current) - copyinjection(nc,current) - setchar(current,dotted_circle) - head=insert_node_after(head,current,nc) - else - setnext(current,tmp) - if changestop then - stop=current - end - end - end - end - end - end - else - local last=getnext(stop) - while current~=last do - local next=getnext(current) - if consonant[getchar(current)] then - if not (current~=stop and next~=stop and halant[getchar(next)] and getchar(getnext(next))==c_zwj) then - if not firstcons then - firstcons=current - end - local a=getprop(current,a_state) - if not (a==s_pref or a==s_blwf or a==s_pstf) then - base=current - end - end - end - current=next - end - if not base then - base=firstcons - end - end - if not base then - if getprop(start,a_state)==s_rphf then - setprop(start,a_state,unsetvalue) - end - return head,stop,nbspaces - else - if getprop(base,a_state) then - setprop(base,a_state,unsetvalue) - end - basepos=base - end - if not halfpos then - halfpos=base - end - if not subpos then - subpos=base - end - if not postpos then - postpos=subpos or base - end - local moved={} - local current=start - local last=getnext(stop) - while current~=last do - local char,target,cn=locl[current] or getchar(current),nil,getnext(current) - local tpm=twopart_mark[char] - if tpm then - local extra=copy_node(current) - copyinjection(extra,current) - char=tpm[1] - setchar(current,char) - setchar(extra,tpm[2]) - head=insert_node_after(head,current,extra) - end - if not moved[current] and dependent_vowel[char] then - if pre_mark[char] then - moved[current]=true - local prev,next=getboth(current) - setlink(prev,next) - if current==stop then - stop=getprev(current) - end - if halfpos==start then - if head==start then - head=current - end - start=current - end - local prev=getprev(halfpos) - setlink(prev,current) - setlink(current,halfpos) - halfpos=current - elseif above_mark[char] then - target=basepos - if subpos==basepos then - subpos=current - end - if postpos==basepos then - postpos=current - end - basepos=current - elseif below_mark[char] then - target=subpos - if postpos==subpos then - postpos=current - end - subpos=current - elseif post_mark[char] then - target=postpos - postpos=current - end - if mark_above_below_post[char] then - local prev=getprev(current) - if prev~=target then - local next=getnext(current) - setlink(prev,next) - if current==stop then - stop=prev - end - local next=getnext(target) - setlink(current,next) - setlink(target,current) - end - end - end - current=cn - end - local current,c=start,nil - while current~=stop do - local char=getchar(current) - if halant[char] or stress_tone_mark[char] then - if not c then - c=current - end - else - c=nil - end - local next=getnext(current) - if c and nukta[getchar(next)] then - if head==c then - head=next - end - if stop==next then - stop=current - end - local prev=getprev(c) - setlink(prev,next) - local nextnext=getnext(next) - setnext(current,nextnext) - local nextnextnext=getnext(nextnext) - if nextnextnext then - setprev(nextnextnext,current) - end - setlink(nextnext,c) - end - if stop==current then break end - current=getnext(current) - end - if getchar(base)==c_nbsp then - if base==stop then - stop=getprev(stop) - end - nbspaces=nbspaces-1 - head=remove_node(head,base) - flush_node(base) - end - return head,stop,nbspaces -end -local separator={} -imerge(separator,consonant) -imerge(separator,independent_vowel) -imerge(separator,dependent_vowel) -imerge(separator,vowel_modifier) -imerge(separator,stress_tone_mark) -for k,v in next,nukta do separator[k]=true end -for k,v in next,halant do separator[k]=true end -local function analyze_next_chars_one(c,font,variant) - local n=getnext(c) - if not n then - return c - end - if variant==1 then - local v=ischar(n,font) - if v and nukta[v] then - n=getnext(n) - if n then - v=ischar(n,font) - end - end - if n and v then - local nn=getnext(n) - if nn then - local vv=ischar(nn,font) - if vv then - local nnn=getnext(nn) - if nnn then - local vvv=ischar(nnn,font) - if vvv then - if vv==c_zwj and consonant[vvv] then - c=nnn - elseif (vv==c_zwnj or vv==c_zwj) and halant[vvv] then - local nnnn=getnext(nnn) - if nnnn then - local vvvv=ischar(nnnn,font) - if vvvv and consonant[vvvv] then - c=nnnn - end - end - end - end - end - end - end - end - elseif variant==2 then - local v=ischar(n,font) - if v and nukta[v] then - c=n - end - n=getnext(c) - if n then - v=ischar(n,font) - if v then - local nn=getnext(n) - if nn then - local vv=ischar(nn,font) - if vv and zw_char[v] then - n=nn - v=vv - nn=getnext(nn) - vv=nn and ischar(nn,font) - end - if vv and halant[v] and consonant[vv] then - c=nn - end - end - end - end - end - local n=getnext(c) - if not n then - return c - end - local v=ischar(n,font) - if not v then - return c - end - if dependent_vowel[v] then - c=getnext(c) - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if nukta[v] then - c=getnext(c) - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if halant[v] then - c=getnext(c) - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if vowel_modifier[v] then - c=getnext(c) - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if stress_tone_mark[v] then - c=getnext(c) - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if stress_tone_mark[v] then - return n - else - return c - end -end -local function analyze_next_chars_two(c,font) - local n=getnext(c) - if not n then - return c - end - local v=ischar(n,font) - if v and nukta[v] then - c=n - end - n=c - while true do - local nn=getnext(n) - if nn then - local vv=ischar(nn,font) - if vv then - if halant[vv] then - n=nn - local nnn=getnext(nn) - if nnn then - local vvv=ischar(nnn,font) - if vvv and zw_char[vvv] then - n=nnn - end - end - elseif vv==c_zwnj or vv==c_zwj then - local nnn=getnext(nn) - if nnn then - local vvv=ischar(nnn,font) - if vvv and halant[vvv] then - n=nnn - end - end - else - break - end - local nn=getnext(n) - if nn then - local vv=ischar(nn,font) - if vv and consonant[vv] then - n=nn - local nnn=getnext(nn) - if nnn then - local vvv=ischar(nnn,font) - if vvv and nukta[vvv] then - n=nnn - end - end - c=n - else - break - end - else - break - end - else - break - end - else - break - end - end - if not c then - return - end - local n=getnext(c) - if not n then - return c - end - local v=ischar(n,font) - if not v then - return c - end - if v==c_anudatta then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if halant[v] then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - if v==c_zwnj or v==c_zwj then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - else - if dependent_vowel[v] then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if nukta[v] then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if halant[v] then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - end - if vowel_modifier[v] then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if stress_tone_mark[v] then - c=n - n=getnext(c) - if not n then - return c - end - v=ischar(n,font) - if not v then - return c - end - end - if stress_tone_mark[v] then - return n - else - return c - end -end -local function inject_syntax_error(head,current,mark) - local signal=copy_node(current) - copyinjection(signal,current) - if mark==pre_mark then - setchar(signal,dotted_circle) - else - setchar(current,dotted_circle) - end - return insert_node_after(head,current,signal) -end -function methods.deva(head,font,attr) - head=tonut(head) - local current=head - local start=true - local done=false - local nbspaces=0 - while current do - local char=ischar(current,font) - if char then - done=true - local syllablestart=current - local syllableend=nil - local c=current - local n=getnext(c) - local first=char - if n and ra[first] then - local second=ischar(n,font) - if second and halant[second] then - local n=getnext(n) - if n then - local third=ischar(n,font) - if third then - c=n - first=third - end - end - end - end - local standalone=first==c_nbsp - if standalone then - local prev=getprev(current) - if prev then - local prevchar=ischar(prev,font) - if not prevchar then - elseif not separator[prevchar] then - else - standalone=false - end - else - end - end - if standalone then - local syllableend=analyze_next_chars_one(c,font,2) - current=getnext(syllableend) - if syllablestart~=syllableend then - head,current,nbspaces=deva_reorder(head,syllablestart,syllableend,font,attr,nbspaces) - current=getnext(current) - end - else - if consonant[char] then - local prevc=true - while prevc do - prevc=false - local n=getnext(current) - if not n then - break - end - local v=ischar(n,font) - if not v then - break - end - if nukta[v] then - n=getnext(n) - if not n then - break - end - v=ischar(n,font) - if not v then - break - end - end - if halant[v] then - n=getnext(n) - if not n then - break - end - v=ischar(n,font) - if not v then - break - end - if v==c_zwnj or v==c_zwj then - n=getnext(n) - if not n then - break - end - v=ischar(n,font) - if not v then - break - end - end - if consonant[v] then - prevc=true - current=n - end - end - end - local n=getnext(current) - if n then - local v=ischar(n,font) - if v and nukta[v] then - current=n - n=getnext(current) - end - end - syllableend=current - current=n - if current then - local v=ischar(current,font) - if not v then - elseif halant[v] then - local n=getnext(current) - if n then - local v=ischar(n,font) - if v and zw_char[v] then - syllableend=n - current=getnext(n) - else - syllableend=current - current=n - end - else - syllableend=current - current=n - end - else - if dependent_vowel[v] then - syllableend=current - current=getnext(current) - v=ischar(current,font) - end - if v and vowel_modifier[v] then - syllableend=current - current=getnext(current) - v=ischar(current,font) - end - if v and stress_tone_mark[v] then - syllableend=current - current=getnext(current) - end - end - end - if syllablestart~=syllableend then - head,current,nbspaces=deva_reorder(head,syllablestart,syllableend,font,attr,nbspaces) - current=getnext(current) - end - elseif independent_vowel[char] then - syllableend=current - current=getnext(current) - if current then - local v=ischar(current,font) - if v then - if vowel_modifier[v] then - syllableend=current - current=getnext(current) - v=ischar(current,font) - end - if v and stress_tone_mark[v] then - syllableend=current - current=getnext(current) - end - end - end - else - local mark=mark_four[char] - if mark then - head,current=inject_syntax_error(head,current,mark) - end - current=getnext(current) - end - end - else - current=getnext(current) - end - start=false - end - if nbspaces>0 then - head=replace_all_nbsp(head) - end - head=tonode(head) - return head,done -end -function methods.dev2(head,font,attr) - head=tonut(head) - local current=head - local start=true - local done=false - local syllabe=0 - local nbspaces=0 - while current do - local syllablestart=nil - local syllableend=nil - local char=ischar(current,font) - if char then - done=true - syllablestart=current - local c=current - local n=getnext(current) - if n and ra[char] then - local nextchar=ischar(n,font) - if nextchar and halant[nextchar] then - local n=getnext(n) - if n then - local nextnextchar=ischar(n,font) - if nextnextchar then - c=n - char=nextnextchar - end - end - end - end - if independent_vowel[char] then - current=analyze_next_chars_one(c,font,1) - syllableend=current - else - local standalone=char==c_nbsp - if standalone then - nbspaces=nbspaces+1 - local p=getprev(current) - if not p then - elseif ischar(p,font) then - elseif not separator[getchar(p)] then - else - standalone=false - end - end - if standalone then - current=analyze_next_chars_one(c,font,2) - syllableend=current - elseif consonant[getchar(current)] then - current=analyze_next_chars_two(current,font) - syllableend=current - end - end - end - if syllableend then - syllabe=syllabe+1 - local c=syllablestart - local n=getnext(syllableend) - while c~=n do - setprop(c,a_syllabe,syllabe) - c=getnext(c) - end - end - if syllableend and syllablestart~=syllableend then - head,current,nbspaces=dev2_reorder(head,syllablestart,syllableend,font,attr,nbspaces) - end - if not syllableend then - local char=ischar(current,font) - if char and not getprop(current,a_state) then - local mark=mark_four[char] - if mark then - head,current=inject_syntax_error(head,current,mark) - end - end - end - start=false - current=getnext(current) - end - if nbspaces>0 then - head=replace_all_nbsp(head) - end - head=tonode(head) - return head,done -end -methods.mlym=methods.deva -methods.mlm2=methods.dev2 - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-osd”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ocl” fbc00782e4efb24a7569f99cd1574ffb] --- - -if not modules then modules={} end modules ['font-ocl']={ - version=1.001, - comment="companion to font-otf.lua (context)", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local tostring,next,format=tostring,next,string.format -local round,max=math.round,math.round -local formatters=string.formatters -local tounicode=fonts.mappings.tounicode -local otf=fonts.handlers.otf -local f_color=formatters["pdf:direct:%f %f %f rg"] -local f_gray=formatters["pdf:direct:%f g"] -local s_black="pdf:direct:0 g" -if context then - local startactualtext=nil - local stopactualtext=nil - function otf.getactualtext(s) - if not startactualtext then - startactualtext=backends.codeinjections.startunicodetoactualtextdirect - stopactualtext=backends.codeinjections.stopunicodetoactualtextdirect - end - return startactualtext(s),stopactualtext() - end -else - local tounicode=fonts.mappings.tounicode16 - function otf.getactualtext(s) - return - "/Span << /ActualText <feff"..n.."> >> BDC", - "EMC" - end -end -local sharedpalettes={} -if context then - local graytorgb=attributes.colors.graytorgb - local cmyktorgb=attributes.colors.cmyktorgb - function otf.registerpalette(name,values) - sharedpalettes[name]=values - for i=1,#values do - local v=values[i] - local r,g,b - local s=v.s - if s then - r,g,b=graytorgb(s) - else - local c,m,y,k=v.c,v.m,v.y,v.k - if c or m or y or k then - r,g,b=cmyktorgb(c or 0,m or 0,y or 0,k or 0) - else - r,g,b=v.r,v.g,v.b - end - end - values[i]={ - max(r and round(r*255) or 0,255), - max(g and round(g*255) or 0,255), - max(b and round(b*255) or 0,255) - } - end - end -else - function otf.registerpalette(name,values) - sharedpalettes[name]=values - for i=1,#values do - local v=values[i] - values[i]={ - max(round((v.r or 0)*255),255), - max(round((v.g or 0)*255),255), - max(round((v.b or 0)*255),255) - } - end - end -end -local function initializecolr(tfmdata,kind,value) - if value then - local palettes=tfmdata.resources.colorpalettes - if palettes then - local palette=sharedpalettes[value] or palettes[tonumber(value) or 1] or palettes[1] or {} - local classes=#palette - if classes==0 then - return - end - local characters=tfmdata.characters - local descriptions=tfmdata.descriptions - local properties=tfmdata.properties - local colorvalues={} - properties.virtualized=true - tfmdata.fonts={ - { id=0 } - } - for i=1,classes do - local p=palette[i] - local r,g,b=p[1],p[2],p[3] - if r==g and g==b then - colorvalues[i]={ "special",f_gray(r/255) } - else - colorvalues[i]={ "special",f_color(r/255,g/255,b/255) } - end - end - local getactualtext=otf.getactualtext - for unicode,character in next,characters do - local description=descriptions[unicode] - if description then - local colorlist=description.colors - if colorlist then - local b,e=getactualtext(tounicode(characters[unicode].unicode or 0xFFFD)) - local w=character.width or 0 - local s=#colorlist - local t={ - { "special","pdf:page:q" }, - { "special","pdf:raw:"..b } - } - local n=#t - for i=1,s do - local entry=colorlist[i] - n=n+1 t[n]=colorvalues[entry.class] or s_black - n=n+1 t[n]={ "char",entry.slot } - if s>1 and i<s and w~=0 then - n=n+1 t[n]={ "right",-w } - end - end - n=n+1 t[n]={ "special","pdf:page:"..e } - n=n+1 t[n]={ "special","pdf:raw:Q" } - character.commands=t - end - end - end - end - end -end -fonts.handlers.otf.features.register { - name="colr", - description="color glyphs", - manipulators={ - base=initializecolr, - node=initializecolr, - } -} -local otfsvg=otf.svg or {} -otf.svg=otfsvg -otf.svgenabled=true -do - local nofstreams=0 - local f_name=formatters[ [[svg-glyph-%05i]] ] - local f_used=context and formatters[ [[original:///%s]] ] or formatters[ [[%s]] ] - local cache={} - function otfsvg.storepdfdata(pdf) - nofstreams=nofstreams+1 - local o,n=epdf.openMemStream(pdf,#pdf,f_name(nofstreams)) - cache[n]=o - return nil,f_used(n),nil - end - if context then - local storepdfdata=otfsvg.storepdfdata - local initialized=false - function otfsvg.storepdfdata(pdf) - if not initialized then - if resolvers.setmemstream then - local f_setstream=formatters[ [[resolvers.setmemstream("svg-glyph-%05i",%q,true)]] ] - local f_getstream=formatters[ [[memstream:///svg-glyph-%05i]] ] - local f_nilstream=formatters[ [[resolvers.resetmemstream("svg-glyph-%05i",true)]] ] - storepdfdata=function(pdf) - nofstreams=nofstreams+1 - return - f_setstream(nofstreams,pdf), - f_getstream(nofstreams), - f_nilstream(nofstreams) - end - otfsvg.storepdfdata=storepdfdata - end - initialized=true - end - return storepdfdata(pdf) - end - end -end -do - local report_svg=logs.reporter("fonts","svg conversion") - local loaddata=io.loaddata - local savedata=io.savedata - local remove=os.remove - if context and xml.convert then - local xmlconvert=xml.convert - local xmlfirst=xml.first - function otfsvg.filterglyph(entry,index) - local svg=xmlconvert(entry.data) - local root=svg and xmlfirst(svg,"/svg[@id='glyph"..index.."']") - local data=root and tostring(root) - return data - end - else - function otfsvg.filterglyph(entry,index) - return entry.data - end - end - function otfsvg.topdf(svgshapes) - local inkscape=io.popen("inkscape --shell > temp-otf-svg-shape.log","w") - local pdfshapes={} - local nofshapes=#svgshapes - local f_svgfile=formatters["temp-otf-svg-shape-%i.svg"] - local f_pdffile=formatters["temp-otf-svg-shape-%i.pdf"] - local f_convert=formatters["%s --export-pdf=%s\n"] - local filterglyph=otfsvg.filterglyph - report_svg("processing %i svg containers",nofshapes) - statistics.starttiming() - for i=1,nofshapes do - local entry=svgshapes[i] - for index=entry.first,entry.last do - local data=filterglyph(entry,index) - if data and data~="" then - local svgfile=f_svgfile(index) - local pdffile=f_pdffile(index) - savedata(svgfile,data) - inkscape:write(f_convert(svgfile,pdffile)) - pdfshapes[index]=true - end - end - end - inkscape:write("quit\n") - inkscape:close() - report_svg("processing %i pdf results",nofshapes) - for index in next,pdfshapes do - local svgfile=f_svgfile(index) - local pdffile=f_pdffile(index) - pdfshapes[index]=loaddata(pdffile) - remove(svgfile) - remove(pdffile) - end - statistics.stoptiming() - if statistics.elapsedseconds then - report_svg("svg conversion time %s",statistics.elapsedseconds()) - end - return pdfshapes - end -end -local function initializesvg(tfmdata,kind,value) - if value and otf.svgenabled then - local characters=tfmdata.characters - local descriptions=tfmdata.descriptions - local properties=tfmdata.properties - local svg=properties.svg - local hash=svg and svg.hash - local timestamp=svg and svg.timestamp - if not hash then - return - end - local pdffile=containers.read(otf.pdfcache,hash) - local pdfshapes=pdffile and pdffile.pdfshapes - if not pdfshapes or pdffile.timestamp~=timestamp then - local svgfile=containers.read(otf.svgcache,hash) - local svgshapes=svgfile and svgfile.svgshapes - pdfshapes=svgshapes and otfsvg.topdf(svgshapes) or {} - containers.write(otf.pdfcache,hash,{ - pdfshapes=pdfshapes, - timestamp=timestamp, - }) - end - if not pdfshapes or not next(pdfshapes) then - return - end - properties.virtualized=true - tfmdata.fonts={ - { id=0 } - } - local getactualtext=otf.getactualtext - local storepdfdata=otfsvg.storepdfdata - local nop={ "nop" } - for unicode,character in next,characters do - local index=character.index - if index then - local pdf=pdfshapes[index] - if pdf then - local setcode,name,nilcode=storepdfdata(pdf) - if name then - local bt,et=getactualtext(unicode) - local wd=character.width or 0 - local ht=character.height or 0 - local dp=character.depth or 0 - character.commands={ - { "special","pdf:direct:"..bt }, - { "down",dp }, - setcode and { "lua",setcode } or nop, - { "image",{ filename=name,width=wd,height=ht,depth=dp } }, - nilcode and { "lua",nilcode } or nop, - { "special","pdf:direct:"..et }, - } - character.svg=true - end - end - end - end - end -end -fonts.handlers.otf.features.register { - name="svg", - description="svg glyphs", - manipulators={ - base=initializesvg, - node=initializesvg, - } -} - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-ocl”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otc” 85d63e257c748c624768aa7c8ec7f0bc] --- - -if not modules then modules={} end modules ['font-otc']={ - version=1.001, - comment="companion to font-otf.lua (context)", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local format,insert,sortedkeys,tohash=string.format,table.insert,table.sortedkeys,table.tohash -local type,next=type,next -local lpegmatch=lpeg.match -local utfbyte,utflen=utf.byte,utf.len -local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) -local report_otf=logs.reporter("fonts","otf loading") -local fonts=fonts -local otf=fonts.handlers.otf -local registerotffeature=otf.features.register -local setmetatableindex=table.setmetatableindex -local normalized={ - substitution="substitution", - single="substitution", - ligature="ligature", - alternate="alternate", - multiple="multiple", - kern="kern", - pair="pair", - chainsubstitution="chainsubstitution", - chainposition="chainposition", -} -local types={ - substitution="gsub_single", - ligature="gsub_ligature", - alternate="gsub_alternate", - multiple="gsub_multiple", - kern="gpos_pair", - pair="gpos_pair", - chainsubstitution="gsub_contextchain", - chainposition="gpos_contextchain", -} -local names={ - gsub_single="gsub", - gsub_multiple="gsub", - gsub_alternate="gsub", - gsub_ligature="gsub", - gsub_context="gsub", - gsub_contextchain="gsub", - gsub_reversecontextchain="gsub", - gpos_single="gpos", - gpos_pair="gpos", - gpos_cursive="gpos", - gpos_mark2base="gpos", - gpos_mark2ligature="gpos", - gpos_mark2mark="gpos", - gpos_context="gpos", - gpos_contextchain="gpos", -} -setmetatableindex(types,function(t,k) t[k]=k return k end) -local everywhere={ ["*"]={ ["*"]=true } } -local noflags={ false,false,false,false } -local function getrange(sequences,category) - local count=#sequences - local first=nil - local last=nil - for i=1,count do - local t=sequences[i].type - if t and names[t]==category then - if not first then - first=i - end - last=i - end - end - return first or 1,last or count -end -local function validspecification(specification,name) - local dataset=specification.dataset - if dataset then - elseif specification[1] then - dataset=specification - specification={ dataset=dataset } - else - dataset={ { data=specification.data } } - specification.data=nil - specification.dataset=dataset - end - local first=dataset[1] - if first then - first=first.data - end - if not first then - report_otf("invalid feature specification, no dataset") - return - end - if type(name)~="string" then - name=specification.name or first.name - end - if type(name)~="string" then - report_otf("invalid feature specification, no name") - return - end - local n=#dataset - if n>0 then - for i=1,n do - setmetatableindex(dataset[i],specification) - end - return specification,name - end -end -local function addfeature(data,feature,specifications) - if not specifications then - report_otf("missing specification") - return - end - local descriptions=data.descriptions - local resources=data.resources - local features=resources.features - local sequences=resources.sequences - if not features or not sequences then - report_otf("missing specification") - return - end - local alreadydone=resources.alreadydone - if not alreadydone then - alreadydone={} - resources.alreadydone=alreadydone - end - if alreadydone[specifications] then - return - else - alreadydone[specifications]=true - end - local fontfeatures=resources.features or everywhere - local unicodes=resources.unicodes - local splitter=lpeg.splitter(" ",unicodes) - local done=0 - local skip=0 - local aglunicodes=false - local specifications=validspecification(specifications,feature) - if not specifications then - return - end - local function tounicode(code) - if not code then - return - end - if type(code)=="number" then - return code - end - local u=unicodes[code] - if u then - return u - end - if utflen(code)==1 then - u=utfbyte(code) - if u then - return u - end - end - if not aglunicodes then - aglunicodes=fonts.encodings.agl.unicodes - end - return aglunicodes[code] - end - local coverup=otf.coverup - local coveractions=coverup.actions - local stepkey=coverup.stepkey - local register=coverup.register - local function prepare_substitution(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if description then - if type(replacement)=="table" then - replacement=replacement[1] - end - replacement=tounicode(replacement) - if replacement and descriptions[replacement] then - cover(coverage,unicode,replacement) - done=done+1 - else - skip=skip+1 - end - else - skip=skip+1 - end - end - return coverage - end - local function prepare_alternate(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if not description then - skip=skip+1 - elseif type(replacement)=="table" then - local r={} - for i=1,#replacement do - local u=tounicode(replacement[i]) - r[i]=descriptions[u] and u or unicode - end - cover(coverage,unicode,r) - done=done+1 - else - local u=tounicode(replacement) - if u then - cover(coverage,unicode,{ u }) - done=done+1 - else - skip=skip+1 - end - end - end - return coverage - end - local function prepare_multiple(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if not description then - skip=skip+1 - elseif type(replacement)=="table" then - local r,n={},0 - for i=1,#replacement do - local u=tounicode(replacement[i]) - if descriptions[u] then - n=n+1 - r[n]=u - end - end - if n>0 then - cover(coverage,unicode,r) - done=done+1 - else - skip=skip+1 - end - else - local u=tounicode(replacement) - if u then - cover(coverage,unicode,{ u }) - done=done+1 - else - skip=skip+1 - end - end - end - return coverage - end - local function prepare_ligature(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - for code,ligature in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if description then - if type(ligature)=="string" then - ligature={ lpegmatch(splitter,ligature) } - end - local present=true - for i=1,#ligature do - local l=ligature[i] - local u=tounicode(l) - if descriptions[u] then - ligature[i]=u - else - present=false - break - end - end - if present then - cover(coverage,unicode,ligature) - done=done+1 - else - skip=skip+1 - end - else - skip=skip+1 - end - end - return coverage - end - local function prepare_kern(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if description and type(replacement)=="table" then - local r={} - for k,v in next,replacement do - local u=tounicode(k) - if u then - r[u]=v - end - end - if next(r) then - cover(coverage,unicode,r) - done=done+1 - else - skip=skip+1 - end - else - skip=skip+1 - end - end - return coverage - end - local function prepare_pair(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - if cover then - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if description and type(replacement)=="table" then - local r={} - for k,v in next,replacement do - local u=tounicode(k) - if u then - r[u]=v - end - end - if next(r) then - cover(coverage,unicode,r) - done=done+1 - else - skip=skip+1 - end - else - skip=skip+1 - end - end - else - report_otf("unknown cover type %a",featuretype) - end - return coverage - end - local function prepare_chain(list,featuretype,sublookups) - local rules=list.rules - local coverage={} - if rules then - local rulehash={} - local rulesize=0 - local sequence={} - local nofsequences=0 - local lookuptype=types[featuretype] - for nofrules=1,#rules do - local rule=rules[nofrules] - local current=rule.current - local before=rule.before - local after=rule.after - local replacements=rule.replacements or false - local sequence={} - local nofsequences=0 - if before then - for n=1,#before do - nofsequences=nofsequences+1 - sequence[nofsequences]=before[n] - end - end - local start=nofsequences+1 - for n=1,#current do - nofsequences=nofsequences+1 - sequence[nofsequences]=current[n] - end - local stop=nofsequences - if after then - for n=1,#after do - nofsequences=nofsequences+1 - sequence[nofsequences]=after[n] - end - end - local lookups=rule.lookups or false - local subtype=nil - if lookups and sublookups then - for k,v in next,lookups do - local lookup=sublookups[v] - if lookup then - lookups[k]=lookup - if not subtype then - subtype=lookup.type - end - else - end - end - end - if nofsequences>0 then - local hashed={} - for i=1,nofsequences do - local t={} - local s=sequence[i] - for i=1,#s do - local u=tounicode(s[i]) - if u then - t[u]=true - end - end - hashed[i]=t - end - sequence=hashed - rulesize=rulesize+1 - rulehash[rulesize]={ - nofrules, - lookuptype, - sequence, - start, - stop, - lookups, - replacements, - subtype, - } - for unic in next,sequence[start] do - local cu=coverage[unic] - if not cu then - coverage[unic]=rulehash - end - end - end - end - end - return coverage - end - local dataset=specifications.dataset - local function report(name,category,position,first,last,sequences) - report_otf("injecting name %a of category %a at position %i in [%i,%i] of [%i,%i]", - name,category,position,first,last,1,#sequences) - end - local function inject(specification,sequences,sequence,first,last,category,name) - local position=specification.position or false - if not position then - position=specification.prepend - if position==true then - if trace_loading then - report(name,category,first,first,last,sequences) - end - insert(sequences,first,sequence) - return - end - end - if not position then - position=specification.append - if position==true then - if trace_loading then - report(name,category,last+1,first,last,sequences) - end - insert(sequences,last+1,sequence) - return - end - end - local kind=type(position) - if kind=="string" then - local index=false - for i=first,last do - local s=sequences[i] - local f=s.features - if f then - for k in next,f do - if k==position then - index=i - break - end - end - if index then - break - end - end - end - if index then - position=index - else - position=last+1 - end - elseif kind=="number" then - if position<0 then - position=last-position+1 - end - if position>last then - position=last+1 - elseif position<first then - position=first - end - else - position=last+1 - end - if trace_loading then - report(name,category,position,first,last,sequences) - end - insert(sequences,position,sequence) - end - for s=1,#dataset do - local specification=dataset[s] - local valid=specification.valid - local feature=specification.name or feature - if not feature or feature=="" then - report_otf("no valid name given for extra feature") - elseif not valid or valid(data,specification,feature) then - local initialize=specification.initialize - if initialize then - specification.initialize=initialize(specification,data) and initialize or nil - end - local askedfeatures=specification.features or everywhere - local askedsteps=specification.steps or specification.subtables or { specification.data } or {} - local featuretype=normalized[specification.type or "substitution"] or "substitution" - local featureflags=specification.flags or noflags - local featureorder=specification.order or { feature } - local featurechain=(featuretype=="chainsubstitution" or featuretype=="chainposition") and 1 or 0 - local nofsteps=0 - local steps={} - local sublookups=specification.lookups - local category=nil - if sublookups then - local s={} - for i=1,#sublookups do - local specification=sublookups[i] - local askedsteps=specification.steps or specification.subtables or { specification.data } or {} - local featuretype=normalized[specification.type or "substitution"] or "substitution" - local featureflags=specification.flags or noflags - local nofsteps=0 - local steps={} - for i=1,#askedsteps do - local list=askedsteps[i] - local coverage=nil - local format=nil - if featuretype=="substitution" then - coverage=prepare_substitution(list,featuretype) - elseif featuretype=="ligature" then - coverage=prepare_ligature(list,featuretype) - elseif featuretype=="alternate" then - coverage=prepare_alternate(list,featuretype) - elseif featuretype=="multiple" then - coverage=prepare_multiple(list,featuretype) - elseif featuretype=="kern" then - format="kern" - coverage=prepare_kern(list,featuretype) - elseif featuretype=="pair" then - format="pair" - coverage=prepare_pair(list,featuretype) - end - if coverage and next(coverage) then - nofsteps=nofsteps+1 - steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) - end - end - s[i]={ - [stepkey]=steps, - nofsteps=nofsteps, - type=types[featuretype], - } - end - sublookups=s - end - for i=1,#askedsteps do - local list=askedsteps[i] - local coverage=nil - local format=nil - if featuretype=="substitution" then - category="gsub" - coverage=prepare_substitution(list,featuretype) - elseif featuretype=="ligature" then - category="gsub" - coverage=prepare_ligature(list,featuretype) - elseif featuretype=="alternate" then - category="gsub" - coverage=prepare_alternate(list,featuretype) - elseif featuretype=="multiple" then - category="gsub" - coverage=prepare_multiple(list,featuretype) - elseif featuretype=="kern" then - category="gpos" - format="kern" - coverage=prepare_kern(list,featuretype) - elseif featuretype=="pair" then - category="gpos" - format="pair" - coverage=prepare_pair(list,featuretype) - elseif featuretype=="chainsubstitution" then - category="gsub" - coverage=prepare_chain(list,featuretype,sublookups) - elseif featuretype=="chainposition" then - category="gpos" - coverage=prepare_chain(list,featuretype,sublookups) - else - report_otf("not registering feature %a, unknown category",feature) - return - end - if coverage and next(coverage) then - nofsteps=nofsteps+1 - steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) - end - end - if nofsteps>0 then - for k,v in next,askedfeatures do - if v[1] then - askedfeatures[k]=tohash(v) - end - end - if featureflags[1] then featureflags[1]="mark" end - if featureflags[2] then featureflags[2]="ligature" end - if featureflags[3] then featureflags[3]="base" end - local steptype=types[featuretype] - local sequence={ - chain=featurechain, - features={ [feature]=askedfeatures }, - flags=featureflags, - name=feature, - order=featureorder, - [stepkey]=steps, - nofsteps=nofsteps, - type=steptype, - } - local first,last=getrange(sequences,category) - inject(specification,sequences,sequence,first,last,category,feature) - local features=fontfeatures[category] - if not features then - features={} - fontfeatures[category]=features - end - local k=features[feature] - if not k then - k={} - features[feature]=k - end - for script,languages in next,askedfeatures do - local kk=k[script] - if not kk then - kk={} - k[script]=kk - end - for language,value in next,languages do - kk[language]=value - end - end - end - end - end - if trace_loading then - report_otf("registering feature %a, affected glyphs %a, skipped glyphs %a",feature,done,skip) - end -end -otf.enhancers.addfeature=addfeature -local extrafeatures={} -local knownfeatures={} -function otf.addfeature(name,specification) - if type(name)=="table" then - specification=name - end - if type(specification)~="table" then - report_otf("invalid feature specification, no valid table") - return - end - specification,name=validspecification(specification,name) - if name and specification then - local slot=knownfeatures[name] - if slot then - else - slot=#extrafeatures+1 - knownfeatures[name]=slot - end - specification.name=name - extrafeatures[slot]=specification - end -end -local function enhance(data,filename,raw) - for slot=1,#extrafeatures do - local specification=extrafeatures[slot] - addfeature(data,specification.name,specification) - end -end -otf.enhancers.enhance=enhance -otf.enhancers.register("check extra features",enhance) -local tlig={ - [0x2013]={ 0x002D,0x002D }, - [0x2014]={ 0x002D,0x002D,0x002D }, -} -local tlig_specification={ - type="ligature", - features=everywhere, - data=tlig, - order={ "tlig" }, - flags=noflags, - prepend=true, -} -otf.addfeature("tlig",tlig_specification) -registerotffeature { - name='tlig', - description='tex ligatures', -} -local trep={ - [0x0027]=0x2019, -} -local trep_specification={ - type="substitution", - features=everywhere, - data=trep, - order={ "trep" }, - flags=noflags, - prepend=true, -} -otf.addfeature("trep",trep_specification) -registerotffeature { - name='trep', - description='tex replacements', -} -local anum_arabic={ - [0x0030]=0x0660, - [0x0031]=0x0661, - [0x0032]=0x0662, - [0x0033]=0x0663, - [0x0034]=0x0664, - [0x0035]=0x0665, - [0x0036]=0x0666, - [0x0037]=0x0667, - [0x0038]=0x0668, - [0x0039]=0x0669, -} -local anum_persian={ - [0x0030]=0x06F0, - [0x0031]=0x06F1, - [0x0032]=0x06F2, - [0x0033]=0x06F3, - [0x0034]=0x06F4, - [0x0035]=0x06F5, - [0x0036]=0x06F6, - [0x0037]=0x06F7, - [0x0038]=0x06F8, - [0x0039]=0x06F9, -} -local function valid(data) - local features=data.resources.features - if features then - for k,v in next,features do - for k,v in next,v do - if v.arab then - return true - end - end - end - end -end -local anum_specification={ - { - type="substitution", - features={ arab={ urd=true,dflt=true } }, - order={ "anum" }, - data=anum_arabic, - flags=noflags, - valid=valid, - }, - { - type="substitution", - features={ arab={ urd=true } }, - order={ "anum" }, - data=anum_persian, - flags=noflags, - valid=valid, - }, -} -otf.addfeature("anum",anum_specification) -registerotffeature { - name='anum', - description='arabic digits', -} - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-otc”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-onr” 205c8bc640715aecf3538a33b842f450] --- - -if not modules then modules={} end modules ['font-onr']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local fonts,logs,trackers,resolvers=fonts,logs,trackers,resolvers -local next,type,tonumber,rawget,rawset=next,type,tonumber,rawget,rawset -local match,lower,gsub,strip,find=string.match,string.lower,string.gsub,string.strip,string.find -local char,byte,sub=string.char,string.byte,string.sub -local abs=math.abs -local bxor,rshift=bit32.bxor,bit32.rshift -local P,S,R,Cmt,C,Ct,Cs,Carg,Cf,Cg=lpeg.P,lpeg.S,lpeg.R,lpeg.Cmt,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.Carg,lpeg.Cf,lpeg.Cg -local lpegmatch,patterns=lpeg.match,lpeg.patterns -local trace_indexing=false trackers.register("afm.indexing",function(v) trace_indexing=v end) -local trace_loading=false trackers.register("afm.loading",function(v) trace_loading=v end) -local report_afm=logs.reporter("fonts","afm loading") -local report_pfb=logs.reporter("fonts","pfb loading") -local handlers=fonts.handlers -local afm=handlers.afm or {} -handlers.afm=afm -local readers=afm.readers or {} -afm.readers=readers -afm.version=1.512 -local get_indexes,get_shapes -do - local decrypt - do - local r,c1,c2,n=0,0,0,0 - local function step(c) - local cipher=byte(c) - local plain=bxor(cipher,rshift(r,8)) - r=((cipher+r)*c1+c2)%65536 - return char(plain) - end - decrypt=function(binary,initial,seed) - r,c1,c2,n=initial,52845,22719,seed - binary=gsub(binary,".",step) - return sub(binary,n+1) - end - end - local charstrings=P("/CharStrings") - local subroutines=P("/Subrs") - local encoding=P("/Encoding") - local dup=P("dup") - local put=P("put") - local array=P("array") - local name=P("/")*C((R("az")+R("AZ")+R("09")+S("-_."))^1) - local digits=R("09")^1 - local cardinal=digits/tonumber - local spaces=P(" ")^1 - local spacing=patterns.whitespace^0 - local routines,vector,chars,n,m - local initialize=function(str,position,size) - n=0 - m=size - return position+1 - end - local setroutine=function(str,position,index,size) - local forward=position+tonumber(size) - local stream=sub(str,position+1,forward) - routines[index]=decrypt(stream,4330,4) - return forward - end - local setvector=function(str,position,name,size) - local forward=position+tonumber(size) - if n>=m then - return #str - elseif forward<#str then - vector[n]=name - n=n+1 - return forward - else - return #str - end - end - local setshapes=function(str,position,name,size) - local forward=position+tonumber(size) - local stream=sub(str,position+1,forward) - if n>m then - return #str - elseif forward<#str then - vector[n]=name - n=n+1 - chars [n]=decrypt(stream,4330,4) - return forward - else - return #str - end - end - local p_rd=spacing*(P("RD")+P("-|")) - local p_np=spacing*(P("NP")+P("|")) - local p_nd=spacing*(P("ND")+P("|")) - local p_filterroutines= - (1-subroutines)^0*subroutines*spaces*Cmt(cardinal,initialize)*(Cmt(cardinal*spaces*cardinal*p_rd,setroutine)*p_np+P(1))^1 - local p_filtershapes= - (1-charstrings)^0*charstrings*spaces*Cmt(cardinal,initialize)*(Cmt(name*spaces*cardinal*p_rd,setshapes)*p_nd+P(1))^1 - local p_filternames=Ct ( - (1-charstrings)^0*charstrings*spaces*Cmt(cardinal,initialize)*(Cmt(name*spaces*cardinal,setvector)+P(1))^1 - ) - local p_filterencoding=(1-encoding)^0*encoding*spaces*digits*spaces*array*(1-dup)^0*Cf( - Ct("")*Cg(spacing*dup*spaces*cardinal*spaces*name*spaces*put)^1 -,rawset) - local function loadpfbvector(filename,shapestoo) - local data=io.loaddata(resolvers.findfile(filename)) - if not data then - report_pfb("no data in %a",filename) - return - end - if not (find(data,"!PS%-AdobeFont%-") or find(data,"%%!FontType1")) then - report_pfb("no font in %a",filename) - return - end - local ascii,binary=match(data,"(.*)eexec%s+......(.*)") - if not binary then - report_pfb("no binary data in %a",filename) - return - end - binary=decrypt(binary,55665,4) - local names={} - local encoding=lpegmatch(p_filterencoding,ascii) - local glyphs={} - routines,vector,chars={},{},{} - if shapestoo then - lpegmatch(p_filterroutines,binary) - lpegmatch(p_filtershapes,binary) - local data={ - dictionaries={ - { - charstrings=chars, - charset=vector, - subroutines=routines, - } - }, - } - fonts.handlers.otf.readers.parsecharstrings(data,glyphs,true,true) - else - lpegmatch(p_filternames,binary) - end - names=vector - routines,vector,chars=nil,nil,nil - return names,encoding,glyphs - end - local pfb=handlers.pfb or {} - handlers.pfb=pfb - pfb.loadvector=loadpfbvector - get_indexes=function(data,pfbname) - local vector=loadpfbvector(pfbname) - if vector then - local characters=data.characters - if trace_loading then - report_afm("getting index data from %a",pfbname) - end - for index=1,#vector do - local name=vector[index] - local char=characters[name] - if char then - if trace_indexing then - report_afm("glyph %a has index %a",name,index) - end - char.index=index - end - end - end - end - get_shapes=function(pfbname) - local vector,encoding,glyphs=loadpfbvector(pfbname,true) - return glyphs - end -end -local spacer=patterns.spacer -local whitespace=patterns.whitespace -local lineend=patterns.newline -local spacing=spacer^0 -local number=spacing*S("+-")^-1*(R("09")+S("."))^1/tonumber -local name=spacing*C((1-whitespace)^1) -local words=spacing*((1-lineend)^1/strip) -local rest=(1-lineend)^0 -local fontdata=Carg(1) -local semicolon=spacing*P(";") -local plus=spacing*P("plus")*number -local minus=spacing*P("minus")*number -local function addkernpair(data,one,two,value) - local chr=data.characters[one] - if chr then - local kerns=chr.kerns - if kerns then - kerns[two]=tonumber(value) - else - chr.kerns={ [two]=tonumber(value) } - end - end -end -local p_kernpair=(fontdata*P("KPX")*name*name*number)/addkernpair -local chr=false -local ind=0 -local function start(data,version) - data.metadata.afmversion=version - ind=0 - chr={} -end -local function stop() - ind=0 - chr=false -end -local function setindex(i) - if i<0 then - ind=ind+1 - else - ind=i - end - chr={ - index=ind - } -end -local function setwidth(width) - chr.width=width -end -local function setname(data,name) - data.characters[name]=chr -end -local function setboundingbox(boundingbox) - chr.boundingbox=boundingbox -end -local function setligature(plus,becomes) - local ligatures=chr.ligatures - if ligatures then - ligatures[plus]=becomes - else - chr.ligatures={ [plus]=becomes } - end -end -local p_charmetric=(( - P("C")*number/setindex+P("WX")*number/setwidth+P("N")*fontdata*name/setname+P("B")*Ct((number)^4)/setboundingbox+P("L")*(name)^2/setligature - )*semicolon )^1 -local p_charmetrics=P("StartCharMetrics")*number*(p_charmetric+(1-P("EndCharMetrics")))^0*P("EndCharMetrics") -local p_kernpairs=P("StartKernPairs")*number*(p_kernpair+(1-P("EndKernPairs" )))^0*P("EndKernPairs" ) -local function set_1(data,key,a) data.metadata[lower(key)]=a end -local function set_2(data,key,a,b) data.metadata[lower(key)]={ a,b } end -local function set_3(data,key,a,b,c) data.metadata[lower(key)]={ a,b,c } end -local p_parameters=P(false)+fontdata*((P("FontName")+P("FullName")+P("FamilyName"))/lower)*words/function(data,key,value) - data.metadata[key]=value - end+fontdata*((P("Weight")+P("Version"))/lower)*name/function(data,key,value) - data.metadata[key]=value - end+fontdata*P("IsFixedPitch")*name/function(data,pitch) - data.metadata.monospaced=toboolean(pitch,true) - end+fontdata*P("FontBBox")*Ct(number^4)/function(data,boundingbox) - data.metadata.boundingbox=boundingbox - end+fontdata*((P("CharWidth")+P("CapHeight")+P("XHeight")+P("Descender")+P("Ascender")+P("ItalicAngle"))/lower)*number/function(data,key,value) - data.metadata[key]=value - end+P("Comment")*spacing*(P(false)+(fontdata*C("DESIGNSIZE")*number*rest)/set_1 -+(fontdata*C("TFM designsize")*number*rest)/set_1+(fontdata*C("DesignSize")*number*rest)/set_1+(fontdata*C("CODINGSCHEME")*words*rest)/set_1 -+(fontdata*C("CHECKSUM")*number*words*rest)/set_1 -+(fontdata*C("SPACE")*number*plus*minus*rest)/set_3 -+(fontdata*C("QUAD")*number*rest)/set_1 -+(fontdata*C("EXTRASPACE")*number*rest)/set_1 -+(fontdata*C("NUM")*number*number*number*rest)/set_3 -+(fontdata*C("DENOM")*number*number*rest)/set_2 -+(fontdata*C("SUP")*number*number*number*rest)/set_3 -+(fontdata*C("SUB")*number*number*rest)/set_2 -+(fontdata*C("SUPDROP")*number*rest)/set_1 -+(fontdata*C("SUBDROP")*number*rest)/set_1 -+(fontdata*C("DELIM")*number*number*rest)/set_2 -+(fontdata*C("AXISHEIGHT")*number*rest)/set_1 - ) -local fullparser=(P("StartFontMetrics")*fontdata*name/start )*(p_charmetrics+p_kernpairs+p_parameters+(1-P("EndFontMetrics")) )^0*(P("EndFontMetrics")/stop ) -local fullparser=(P("StartFontMetrics")*fontdata*name/start )*(p_charmetrics+p_kernpairs+p_parameters+(1-P("EndFontMetrics")) )^0*(P("EndFontMetrics")/stop ) -local infoparser=(P("StartFontMetrics")*fontdata*name/start )*(p_parameters+(1-P("EndFontMetrics")) )^0*(P("EndFontMetrics")/stop ) -local function read(filename,parser) - local afmblob=io.loaddata(filename) - if afmblob then - local data={ - resources={ - filename=resolvers.unresolve(filename), - version=afm.version, - creator="context mkiv", - }, - properties={ - hasitalics=false, - }, - goodies={}, - metadata={ - filename=file.removesuffix(file.basename(filename)) - }, - characters={ - }, - descriptions={ - }, - } - if trace_loading then - report_afm("parsing afm file %a",filename) - end - lpegmatch(parser,afmblob,1,data) - return data - else - if trace_loading then - report_afm("no valid afm file %a",filename) - end - return nil - end -end -function readers.loadfont(afmname,pfbname) - local data=read(resolvers.findfile(afmname),fullparser) - if data then - if not pfbname or pfbname=="" then - pfbname=file.replacesuffix(file.nameonly(afmname),"pfb") - pfbname=resolvers.findfile(pfbname) - end - if pfbname and pfbname~="" then - data.resources.filename=resolvers.unresolve(pfbname) - get_indexes(data,pfbname) - elseif trace_loading then - report_afm("no pfb file for %a",afmname) - end - return data - end -end -function readers.loadshapes(filename) - local fullname=resolvers.findfile(filename) or "" - if fullname=="" then - return { - filename="not found: "..filename, - glyphs={} - } - else - return { - filename=fullname, - format="opentype", - glyphs=get_shapes(fullname) or {}, - units=1000, - } - end -end -function readers.getinfo(filename) - local data=read(resolvers.findfile(filename),infoparser) - if data then - return data.metadata - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-onr”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-one” 6fbf6b9e219a944cd1ad5933d77cc488] --- - -if not modules then modules={} end modules ['font-one']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local fonts,logs,trackers,containers,resolvers=fonts,logs,trackers,containers,resolvers -local next,type,tonumber,rawget=next,type,tonumber,rawget -local match,gmatch,lower,gsub,strip,find=string.match,string.gmatch,string.lower,string.gsub,string.strip,string.find -local char,byte,sub=string.char,string.byte,string.sub -local abs=math.abs -local bxor,rshift=bit32.bxor,bit32.rshift -local P,S,R,Cmt,C,Ct,Cs,Carg=lpeg.P,lpeg.S,lpeg.R,lpeg.Cmt,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.Carg -local lpegmatch,patterns=lpeg.match,lpeg.patterns -local trace_features=false trackers.register("afm.features",function(v) trace_features=v end) -local trace_indexing=false trackers.register("afm.indexing",function(v) trace_indexing=v end) -local trace_loading=false trackers.register("afm.loading",function(v) trace_loading=v end) -local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end) -local report_afm=logs.reporter("fonts","afm loading") -local setmetatableindex=table.setmetatableindex -local derivetable=table.derive -local findbinfile=resolvers.findbinfile -local definers=fonts.definers -local readers=fonts.readers -local constructors=fonts.constructors -local afm=constructors.handlers.afm -local pfb=constructors.handlers.pfb -local otf=fonts.handlers.otf -local otfreaders=otf.readers -local otfenhancers=otf.enhancers -local afmfeatures=constructors.features.afm -local registerafmfeature=afmfeatures.register -local afmenhancers=constructors.enhancers.afm -local registerafmenhancer=afmenhancers.register -afm.version=1.512 -afm.cache=containers.define("fonts","one",afm.version,true) -afm.autoprefixed=true -afm.helpdata={} -afm.syncspace=true -local overloads=fonts.mappings.overloads -local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes -function afm.load(filename) - filename=resolvers.findfile(filename,'afm') or "" - if filename~="" and not fonts.names.ignoredfile(filename) then - local name=file.removesuffix(file.basename(filename)) - local data=containers.read(afm.cache,name) - local attr=lfs.attributes(filename) - local size,time=attr.size or 0,attr.modification or 0 - local pfbfile=file.replacesuffix(name,"pfb") - local pfbname=resolvers.findfile(pfbfile,"pfb") or "" - if pfbname=="" then - pfbname=resolvers.findfile(file.basename(pfbfile),"pfb") or "" - end - local pfbsize,pfbtime=0,0 - if pfbname~="" then - local attr=lfs.attributes(pfbname) - pfbsize=attr.size or 0 - pfbtime=attr.modification or 0 - end - if not data or data.size~=size or data.time~=time or data.pfbsize~=pfbsize or data.pfbtime~=pfbtime then - report_afm("reading %a",filename) - data=afm.readers.loadfont(filename,pfbname) - if data then - afmenhancers.apply(data,filename) - fonts.mappings.addtounicode(data,filename) - otfreaders.pack(data) - data.size=size - data.time=time - data.pfbsize=pfbsize - data.pfbtime=pfbtime - report_afm("saving %a in cache",name) - data=containers.write(afm.cache,name,data) - data=containers.read(afm.cache,name) - end - end - if data then - otfreaders.unpack(data) - otfreaders.expand(data) - otfreaders.addunicodetable(data) - otfenhancers.apply(data,filename,data) - if applyruntimefixes then - applyruntimefixes(filename,data) - end - end - return data - end -end -local uparser=fonts.mappings.makenameparser() -local function enhance_unify_names(data,filename) - local unicodevector=fonts.encodings.agl.unicodes - local unicodes={} - local names={} - local private=constructors.privateoffset - local descriptions=data.descriptions - for name,blob in next,data.characters do - local code=unicodevector[name] - if not code then - code=lpegmatch(uparser,name) - if type(code)~="number" then - code=private - private=private+1 - report_afm("assigning private slot %U for unknown glyph name %a",code,name) - end - end - local index=blob.index - unicodes[name]=code - names[name]=index - blob.name=name - descriptions[code]={ - boundingbox=blob.boundingbox, - width=blob.width, - kerns=blob.kerns, - index=index, - name=name, - } - end - for unicode,description in next,descriptions do - local kerns=description.kerns - if kerns then - local krn={} - for name,kern in next,kerns do - local unicode=unicodes[name] - if unicode then - krn[unicode]=kern - else - end - end - description.kerns=krn - end - end - data.characters=nil - local resources=data.resources - local filename=resources.filename or file.removesuffix(file.basename(filename)) - resources.filename=resolvers.unresolve(filename) - resources.unicodes=unicodes - resources.marks={} - resources.private=private -end -local everywhere={ ["*"]={ ["*"]=true } } -local noflags={ false,false,false,false } -local function enhance_normalize_features(data) - local ligatures=setmetatableindex("table") - local kerns=setmetatableindex("table") - local extrakerns=setmetatableindex("table") - for u,c in next,data.descriptions do - local l=c.ligatures - local k=c.kerns - local e=c.extrakerns - if l then - ligatures[u]=l - for u,v in next,l do - l[u]={ ligature=v } - end - c.ligatures=nil - end - if k then - kerns[u]=k - for u,v in next,k do - k[u]=v - end - c.kerns=nil - end - if e then - extrakerns[u]=e - for u,v in next,e do - e[u]=v - end - c.extrakerns=nil - end - end - local features={ - gpos={}, - gsub={}, - } - local sequences={ - } - if next(ligatures) then - features.gsub.liga=everywhere - data.properties.hasligatures=true - sequences[#sequences+1]={ - features={ - liga=everywhere, - }, - flags=noflags, - name="s_s_0", - nofsteps=1, - order={ "liga" }, - type="gsub_ligature", - steps={ - { - coverage=ligatures, - }, - }, - } - end - if next(kerns) then - features.gpos.kern=everywhere - data.properties.haskerns=true - sequences[#sequences+1]={ - features={ - kern=everywhere, - }, - flags=noflags, - name="p_s_0", - nofsteps=1, - order={ "kern" }, - type="gpos_pair", - steps={ - { - format="kern", - coverage=kerns, - }, - }, - } - end - if next(extrakerns) then - features.gpos.extrakerns=everywhere - data.properties.haskerns=true - sequences[#sequences+1]={ - features={ - extrakerns=everywhere, - }, - flags=noflags, - name="p_s_1", - nofsteps=1, - order={ "extrakerns" }, - type="gpos_pair", - steps={ - { - format="kern", - coverage=extrakerns, - }, - }, - } - end - data.resources.features=features - data.resources.sequences=sequences -end -local function enhance_fix_names(data) - for k,v in next,data.descriptions do - local n=v.name - local r=overloads[n] - if r then - local name=r.name - if trace_indexing then - report_afm("renaming characters %a to %a",n,name) - end - v.name=name - v.unicode=r.unicode - end - end -end -local addthem=function(rawdata,ligatures) - if ligatures then - local descriptions=rawdata.descriptions - local resources=rawdata.resources - local unicodes=resources.unicodes - for ligname,ligdata in next,ligatures do - local one=descriptions[unicodes[ligname]] - if one then - for _,pair in next,ligdata do - local two,three=unicodes[pair[1]],unicodes[pair[2]] - if two and three then - local ol=one.ligatures - if ol then - if not ol[two] then - ol[two]=three - end - else - one.ligatures={ [two]=three } - end - end - end - end - end - end -end -local function enhance_add_ligatures(rawdata) - addthem(rawdata,afm.helpdata.ligatures) -end -local function enhance_add_extra_kerns(rawdata) - local descriptions=rawdata.descriptions - local resources=rawdata.resources - local unicodes=resources.unicodes - local function do_it_left(what) - if what then - for unicode,description in next,descriptions do - local kerns=description.kerns - if kerns then - local extrakerns - for complex,simple in next,what do - complex=unicodes[complex] - simple=unicodes[simple] - if complex and simple then - local ks=kerns[simple] - if ks and not kerns[complex] then - if extrakerns then - extrakerns[complex]=ks - else - extrakerns={ [complex]=ks } - end - end - end - end - if extrakerns then - description.extrakerns=extrakerns - end - end - end - end - end - local function do_it_copy(what) - if what then - for complex,simple in next,what do - complex=unicodes[complex] - simple=unicodes[simple] - if complex and simple then - local complexdescription=descriptions[complex] - if complexdescription then - local simpledescription=descriptions[complex] - if simpledescription then - local extrakerns - local kerns=simpledescription.kerns - if kerns then - for unicode,kern in next,kerns do - if extrakerns then - extrakerns[unicode]=kern - else - extrakerns={ [unicode]=kern } - end - end - end - local extrakerns=simpledescription.extrakerns - if extrakerns then - for unicode,kern in next,extrakerns do - if extrakerns then - extrakerns[unicode]=kern - else - extrakerns={ [unicode]=kern } - end - end - end - if extrakerns then - complexdescription.extrakerns=extrakerns - end - end - end - end - end - end - end - do_it_left(afm.helpdata.leftkerned) - do_it_left(afm.helpdata.bothkerned) - do_it_copy(afm.helpdata.bothkerned) - do_it_copy(afm.helpdata.rightkerned) -end -local function adddimensions(data) - if data then - for unicode,description in next,data.descriptions do - local bb=description.boundingbox - if bb then - local ht,dp=bb[4],-bb[2] - if ht==0 or ht<0 then - else - description.height=ht - end - if dp==0 or dp<0 then - else - description.depth=dp - end - end - end - end -end -local function copytotfm(data) - if data and data.descriptions then - local metadata=data.metadata - local resources=data.resources - local properties=derivetable(data.properties) - local descriptions=derivetable(data.descriptions) - local goodies=derivetable(data.goodies) - local characters={} - local parameters={} - local unicodes=resources.unicodes - for unicode,description in next,data.descriptions do - characters[unicode]={} - end - local filename=constructors.checkedfilename(resources) - local fontname=metadata.fontname or metadata.fullname - local fullname=metadata.fullname or metadata.fontname - local endash=0x0020 - local emdash=0x2014 - local spacer="space" - local spaceunits=500 - local monospaced=metadata.monospaced - local charwidth=metadata.charwidth - local italicangle=metadata.italicangle - local charxheight=metadata.xheight and metadata.xheight>0 and metadata.xheight - properties.monospaced=monospaced - parameters.italicangle=italicangle - parameters.charwidth=charwidth - parameters.charxheight=charxheight - if properties.monospaced then - if descriptions[endash] then - spaceunits,spacer=descriptions[endash].width,"space" - end - if not spaceunits and descriptions[emdash] then - spaceunits,spacer=descriptions[emdash].width,"emdash" - end - if not spaceunits and charwidth then - spaceunits,spacer=charwidth,"charwidth" - end - else - if descriptions[endash] then - spaceunits,spacer=descriptions[endash].width,"space" - end - if not spaceunits and charwidth then - spaceunits,spacer=charwidth,"charwidth" - end - end - spaceunits=tonumber(spaceunits) - if spaceunits<200 then - end - parameters.slant=0 - parameters.space=spaceunits - parameters.space_stretch=500 - parameters.space_shrink=333 - parameters.x_height=400 - parameters.quad=1000 - if italicangle and italicangle~=0 then - parameters.italicangle=italicangle - parameters.italicfactor=math.cos(math.rad(90+italicangle)) - parameters.slant=- math.tan(italicangle*math.pi/180) - end - if monospaced then - parameters.space_stretch=0 - parameters.space_shrink=0 - elseif afm.syncspace then - parameters.space_stretch=spaceunits/2 - parameters.space_shrink=spaceunits/3 - end - parameters.extra_space=parameters.space_shrink - if charxheight then - parameters.x_height=charxheight - else - local x=0x0078 - if x then - local x=descriptions[x] - if x then - parameters.x_height=x.height - end - end - end - if metadata.sup then - local dummy={ 0,0,0 } - parameters[ 1]=metadata.designsize or 0 - parameters[ 2]=metadata.checksum or 0 - parameters[ 3], - parameters[ 4], - parameters[ 5]=unpack(metadata.space or dummy) - parameters[ 6]=metadata.quad or 0 - parameters[ 7]=metadata.extraspace or 0 - parameters[ 8], - parameters[ 9], - parameters[10]=unpack(metadata.num or dummy) - parameters[11], - parameters[12]=unpack(metadata.denom or dummy) - parameters[13], - parameters[14], - parameters[15]=unpack(metadata.sup or dummy) - parameters[16], - parameters[17]=unpack(metadata.sub or dummy) - parameters[18]=metadata.supdrop or 0 - parameters[19]=metadata.subdrop or 0 - parameters[20], - parameters[21]=unpack(metadata.delim or dummy) - parameters[22]=metadata.axisheight or 0 - end - parameters.designsize=(metadata.designsize or 10)*65536 - parameters.ascender=abs(metadata.ascender or 0) - parameters.descender=abs(metadata.descender or 0) - parameters.units=1000 - properties.spacer=spacer - properties.encodingbytes=2 - properties.format=fonts.formats[filename] or "type1" - properties.filename=filename - properties.fontname=fontname - properties.fullname=fullname - properties.psname=fullname - properties.name=filename or fullname or fontname - if next(characters) then - return { - characters=characters, - descriptions=descriptions, - parameters=parameters, - resources=resources, - properties=properties, - goodies=goodies, - } - end - end - return nil -end -function afm.setfeatures(tfmdata,features) - local okay=constructors.initializefeatures("afm",tfmdata,features,trace_features,report_afm) - if okay then - return constructors.collectprocessors("afm",tfmdata,features,trace_features,report_afm) - else - return {} - end -end -local function addtables(data) - local resources=data.resources - local lookuptags=resources.lookuptags - local unicodes=resources.unicodes - if not lookuptags then - lookuptags={} - resources.lookuptags=lookuptags - end - setmetatableindex(lookuptags,function(t,k) - local v=type(k)=="number" and ("lookup "..k) or k - t[k]=v - return v - end) - if not unicodes then - unicodes={} - resources.unicodes=unicodes - setmetatableindex(unicodes,function(t,k) - setmetatableindex(unicodes,nil) - for u,d in next,data.descriptions do - local n=d.name - if n then - t[n]=u - end - end - return rawget(t,k) - end) - end - constructors.addcoreunicodes(unicodes) -end -local function afmtotfm(specification) - local afmname=specification.filename or specification.name - if specification.forced=="afm" or specification.format=="afm" then - if trace_loading then - report_afm("forcing afm format for %a",afmname) - end - else - local tfmname=findbinfile(afmname,"ofm") or "" - if tfmname~="" then - if trace_loading then - report_afm("fallback from afm to tfm for %a",afmname) - end - return - end - end - if afmname~="" then - local features=constructors.checkedfeatures("afm",specification.features.normal) - specification.features.normal=features - constructors.hashinstance(specification,true) - specification=definers.resolve(specification) - local cache_id=specification.hash - local tfmdata=containers.read(constructors.cache,cache_id) - if not tfmdata then - local rawdata=afm.load(afmname) - if rawdata and next(rawdata) then - addtables(rawdata) - adddimensions(rawdata) - tfmdata=copytotfm(rawdata) - if tfmdata and next(tfmdata) then - local shared=tfmdata.shared - if not shared then - shared={} - tfmdata.shared=shared - end - shared.rawdata=rawdata - shared.dynamics={} - tfmdata.changed={} - shared.features=features - shared.processes=afm.setfeatures(tfmdata,features) - end - elseif trace_loading then - report_afm("no (valid) afm file found with name %a",afmname) - end - tfmdata=containers.write(constructors.cache,cache_id,tfmdata) - end - return tfmdata - end -end -local function read_from_afm(specification) - local tfmdata=afmtotfm(specification) - if tfmdata then - tfmdata.properties.name=specification.name - tfmdata=constructors.scale(tfmdata,specification) - local allfeatures=tfmdata.shared.features or specification.features.normal - constructors.applymanipulators("afm",tfmdata,allfeatures,trace_features,report_afm) - fonts.loggers.register(tfmdata,'afm',specification) - end - return tfmdata -end -registerafmfeature { - name="mode", - description="mode", - initializers={ - base=otf.modeinitializer, - node=otf.modeinitializer, - } -} -registerafmfeature { - name="features", - description="features", - default=true, - initializers={ - node=otf.nodemodeinitializer, - base=otf.basemodeinitializer, - }, - processors={ - node=otf.featuresprocessor, - } -} -fonts.formats.afm="type1" -fonts.formats.pfb="type1" -local function check_afm(specification,fullname) - local foundname=findbinfile(fullname,'afm') or "" - if foundname=="" then - foundname=fonts.names.getfilename(fullname,"afm") or "" - end - if foundname=="" and afm.autoprefixed then - local encoding,shortname=match(fullname,"^(.-)%-(.*)$") - if encoding and shortname and fonts.encodings.known[encoding] then - shortname=findbinfile(shortname,'afm') or "" - if shortname~="" then - foundname=shortname - if trace_defining then - report_afm("stripping encoding prefix from filename %a",afmname) - end - end - end - end - if foundname~="" then - specification.filename=foundname - specification.format="afm" - return read_from_afm(specification) - end -end -function readers.afm(specification,method) - local fullname=specification.filename or "" - local tfmdata=nil - if fullname=="" then - local forced=specification.forced or "" - if forced~="" then - tfmdata=check_afm(specification,specification.name.."."..forced) - end - if not tfmdata then - local check_tfm=readers.check_tfm - method=(check_tfm and (method or definers.method or "afm or tfm")) or "afm" - if method=="tfm" then - tfmdata=check_tfm(specification,specification.name) - elseif method=="afm" then - tfmdata=check_afm(specification,specification.name) - elseif method=="tfm or afm" then - tfmdata=check_tfm(specification,specification.name) or check_afm(specification,specification.name) - else - tfmdata=check_afm(specification,specification.name) or check_tfm(specification,specification.name) - end - end - else - tfmdata=check_afm(specification,fullname) - end - return tfmdata -end -function readers.pfb(specification,method) - local original=specification.specification - if trace_defining then - report_afm("using afm reader for %a",original) - end - specification.forced="afm" - local function swap(name) - local value=specification[swap] - if value then - specification[swap]=gsub("%.pfb",".afm",1) - end - end - swap("filename") - swap("fullname") - swap("forcedname") - swap("specification") - return readers.afm(specification,method) -end -registerafmenhancer("unify names",enhance_unify_names) -registerafmenhancer("add ligatures",enhance_add_ligatures) -registerafmenhancer("add extra kerns",enhance_add_extra_kerns) -registerafmenhancer("normalize features",enhance_normalize_features) -registerafmenhancer("check extra features",otfenhancers.enhance) -registerafmenhancer("fix names",enhance_fix_names) - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-one”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-afk” b36a76ceb835f41f8c05b471000ddc14] --- - -if not modules then modules={} end modules ['font-afk']={ - version=1.001, - comment="companion to font-afm.lua", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files", - dataonly=true, -} -local allocate=utilities.storage.allocate -fonts.handlers.afm.helpdata={ - ligatures=allocate { - ['f']={ - { 'f','ff' }, - { 'i','fi' }, - { 'l','fl' }, - }, - ['ff']={ - { 'i','ffi' } - }, - ['fi']={ - { 'i','fii' } - }, - ['fl']={ - { 'i','fli' } - }, - ['s']={ - { 't','st' } - }, - ['i']={ - { 'j','ij' } - }, - }, - texligatures=allocate { - ['quoteleft']={ - { 'quoteleft','quotedblleft' } - }, - ['quoteright']={ - { 'quoteright','quotedblright' } - }, - ['hyphen']={ - { 'hyphen','endash' } - }, - ['endash']={ - { 'hyphen','emdash' } - } - }, - leftkerned=allocate { - AEligature="A",aeligature="a", - OEligature="O",oeligature="o", - IJligature="I",ijligature="i", - AE="A",ae="a", - OE="O",oe="o", - IJ="I",ij="i", - Ssharp="S",ssharp="s", - }, - rightkerned=allocate { - AEligature="E",aeligature="e", - OEligature="E",oeligature="e", - IJligature="J",ijligature="j", - AE="E",ae="e", - OE="E",oe="e", - IJ="J",ij="j", - Ssharp="S",ssharp="s", - }, - bothkerned=allocate { - Acircumflex="A",acircumflex="a", - Ccircumflex="C",ccircumflex="c", - Ecircumflex="E",ecircumflex="e", - Gcircumflex="G",gcircumflex="g", - Hcircumflex="H",hcircumflex="h", - Icircumflex="I",icircumflex="i", - Jcircumflex="J",jcircumflex="j", - Ocircumflex="O",ocircumflex="o", - Scircumflex="S",scircumflex="s", - Ucircumflex="U",ucircumflex="u", - Wcircumflex="W",wcircumflex="w", - Ycircumflex="Y",ycircumflex="y", - Agrave="A",agrave="a", - Egrave="E",egrave="e", - Igrave="I",igrave="i", - Ograve="O",ograve="o", - Ugrave="U",ugrave="u", - Ygrave="Y",ygrave="y", - Atilde="A",atilde="a", - Itilde="I",itilde="i", - Otilde="O",otilde="o", - Utilde="U",utilde="u", - Ntilde="N",ntilde="n", - Adiaeresis="A",adiaeresis="a",Adieresis="A",adieresis="a", - Ediaeresis="E",ediaeresis="e",Edieresis="E",edieresis="e", - Idiaeresis="I",idiaeresis="i",Idieresis="I",idieresis="i", - Odiaeresis="O",odiaeresis="o",Odieresis="O",odieresis="o", - Udiaeresis="U",udiaeresis="u",Udieresis="U",udieresis="u", - Ydiaeresis="Y",ydiaeresis="y",Ydieresis="Y",ydieresis="y", - Aacute="A",aacute="a", - Cacute="C",cacute="c", - Eacute="E",eacute="e", - Iacute="I",iacute="i", - Lacute="L",lacute="l", - Nacute="N",nacute="n", - Oacute="O",oacute="o", - Racute="R",racute="r", - Sacute="S",sacute="s", - Uacute="U",uacute="u", - Yacute="Y",yacute="y", - Zacute="Z",zacute="z", - Dstroke="D",dstroke="d", - Hstroke="H",hstroke="h", - Tstroke="T",tstroke="t", - Cdotaccent="C",cdotaccent="c", - Edotaccent="E",edotaccent="e", - Gdotaccent="G",gdotaccent="g", - Idotaccent="I",idotaccent="i", - Zdotaccent="Z",zdotaccent="z", - Amacron="A",amacron="a", - Emacron="E",emacron="e", - Imacron="I",imacron="i", - Omacron="O",omacron="o", - Umacron="U",umacron="u", - Ccedilla="C",ccedilla="c", - Kcedilla="K",kcedilla="k", - Lcedilla="L",lcedilla="l", - Ncedilla="N",ncedilla="n", - Rcedilla="R",rcedilla="r", - Scedilla="S",scedilla="s", - Tcedilla="T",tcedilla="t", - Ohungarumlaut="O",ohungarumlaut="o", - Uhungarumlaut="U",uhungarumlaut="u", - Aogonek="A",aogonek="a", - Eogonek="E",eogonek="e", - Iogonek="I",iogonek="i", - Uogonek="U",uogonek="u", - Aring="A",aring="a", - Uring="U",uring="u", - Abreve="A",abreve="a", - Ebreve="E",ebreve="e", - Gbreve="G",gbreve="g", - Ibreve="I",ibreve="i", - Obreve="O",obreve="o", - Ubreve="U",ubreve="u", - Ccaron="C",ccaron="c", - Dcaron="D",dcaron="d", - Ecaron="E",ecaron="e", - Lcaron="L",lcaron="l", - Ncaron="N",ncaron="n", - Rcaron="R",rcaron="r", - Scaron="S",scaron="s", - Tcaron="T",tcaron="t", - Zcaron="Z",zcaron="z", - dotlessI="I",dotlessi="i", - dotlessJ="J",dotlessj="j", - AEligature="AE",aeligature="ae",AE="AE",ae="ae", - OEligature="OE",oeligature="oe",OE="OE",oe="oe", - IJligature="IJ",ijligature="ij",IJ="IJ",ij="ij", - Lstroke="L",lstroke="l",Lslash="L",lslash="l", - Ostroke="O",ostroke="o",Oslash="O",oslash="o", - Ssharp="SS",ssharp="ss", - Aumlaut="A",aumlaut="a", - Eumlaut="E",eumlaut="e", - Iumlaut="I",iumlaut="i", - Oumlaut="O",oumlaut="o", - Uumlaut="U",uumlaut="u", - } -} - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-afk”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-tfm” 3d813578dbf6c447e4b859c2bf0618f7] --- - -if not modules then modules={} end modules ['font-tfm']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local next,type=next,type -local match,format=string.match,string.format -local concat,sortedhash=table.concat,table.sortedhash -local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end) -local trace_features=false trackers.register("tfm.features",function(v) trace_features=v end) -local report_defining=logs.reporter("fonts","defining") -local report_tfm=logs.reporter("fonts","tfm loading") -local findbinfile=resolvers.findbinfile -local setmetatableindex=table.setmetatableindex -local fonts=fonts -local handlers=fonts.handlers -local readers=fonts.readers -local constructors=fonts.constructors -local encodings=fonts.encodings -local tfm=constructors.handlers.tfm -tfm.version=1.000 -tfm.maxnestingdepth=5 -tfm.maxnestingsize=65536*1024 -local otf=fonts.handlers.otf -local otfenhancers=otf.enhancers -local tfmfeatures=constructors.features.tfm -local registertfmfeature=tfmfeatures.register -local tfmenhancers=constructors.enhancers.tfm -local registertfmenhancer=tfmenhancers.register -constructors.resolvevirtualtoo=false -fonts.formats.tfm="type1" -fonts.formats.ofm="type1" -function tfm.setfeatures(tfmdata,features) - local okay=constructors.initializefeatures("tfm",tfmdata,features,trace_features,report_tfm) - if okay then - return constructors.collectprocessors("tfm",tfmdata,features,trace_features,report_tfm) - else - return {} - end -end -local depth={} -local function read_from_tfm(specification) - local filename=specification.filename - local size=specification.size - depth[filename]=(depth[filename] or 0)+1 - if trace_defining then - report_defining("loading tfm file %a at size %s",filename,size) - end - local tfmdata=font.read_tfm(filename,size) - if tfmdata then - local features=specification.features and specification.features.normal or {} - local features=constructors.checkedfeatures("tfm",features) - specification.features.normal=features - local newtfmdata=(depth[filename]==1) and tfm.reencode(tfmdata,specification) - if newtfmdata then - tfmdata=newtfmdata - end - local resources=tfmdata.resources or {} - local properties=tfmdata.properties or {} - local parameters=tfmdata.parameters or {} - local shared=tfmdata.shared or {} - shared.features=features - shared.resources=resources - properties.name=tfmdata.name - properties.fontname=tfmdata.fontname - properties.psname=tfmdata.psname - properties.fullname=tfmdata.fullname - properties.filename=specification.filename - properties.format=fonts.formats.tfm - tfmdata.properties=properties - tfmdata.resources=resources - tfmdata.parameters=parameters - tfmdata.shared=shared - shared.rawdata={ resources=resources } - shared.features=features - if newtfmdata then - if not resources.marks then - resources.marks={} - end - if not resources.sequences then - resources.sequences={} - end - if not resources.features then - resources.features={ - gsub={}, - gpos={}, - } - end - if not tfmdata.changed then - tfmdata.changed={} - end - if not tfmdata.descriptions then - tfmdata.descriptions=tfmdata.characters - end - otf.readers.addunicodetable(tfmdata) - tfmenhancers.apply(tfmdata,filename) - constructors.applymanipulators("tfm",tfmdata,features,trace_features,report_tfm) - otf.readers.unifymissing(tfmdata) - fonts.mappings.addtounicode(tfmdata,filename) - tfmdata.tounicode=1 - local tounicode=fonts.mappings.tounicode - for unicode,v in next,tfmdata.characters do - local u=v.unicode - if u then - v.tounicode=tounicode(u) - end - end - if tfmdata.usedbitmap then - tfm.addtounicode(tfmdata) - end - end - shared.processes=next(features) and tfm.setfeatures(tfmdata,features) or nil - parameters.factor=1 - parameters.size=size - parameters.slant=parameters.slant or parameters[1] or 0 - parameters.space=parameters.space or parameters[2] or 0 - parameters.space_stretch=parameters.space_stretch or parameters[3] or 0 - parameters.space_shrink=parameters.space_shrink or parameters[4] or 0 - parameters.x_height=parameters.x_height or parameters[5] or 0 - parameters.quad=parameters.quad or parameters[6] or 0 - parameters.extra_space=parameters.extra_space or parameters[7] or 0 - constructors.enhanceparameters(parameters) - if newtfmdata then - elseif constructors.resolvevirtualtoo then - fonts.loggers.register(tfmdata,file.suffix(filename),specification) - local vfname=findbinfile(specification.name,'ovf') - if vfname and vfname~="" then - local vfdata=font.read_vf(vfname,size) - if vfdata then - local chars=tfmdata.characters - for k,v in next,vfdata.characters do - chars[k].commands=v.commands - end - properties.virtualized=true - tfmdata.fonts=vfdata.fonts - tfmdata.type="virtual" - local fontlist=vfdata.fonts - local name=file.nameonly(filename) - for i=1,#fontlist do - local n=fontlist[i].name - local s=fontlist[i].size - local d=depth[filename] - s=constructors.scaled(s,vfdata.designsize) - if d>tfm.maxnestingdepth then - report_defining("too deeply nested virtual font %a with size %a, max nesting depth %s",n,s,tfm.maxnestingdepth) - fontlist[i]={ id=0 } - elseif (d>1) and (s>tfm.maxnestingsize) then - report_defining("virtual font %a exceeds size %s",n,s) - fontlist[i]={ id=0 } - else - local t,id=fonts.constructors.readanddefine(n,s) - fontlist[i]={ id=id } - end - end - end - end - end - properties.haskerns=true - properties.hasligatures=true - resources.unicodes={} - resources.lookuptags={} - depth[filename]=depth[filename]-1 - return tfmdata - else - depth[filename]=depth[filename]-1 - end -end -local function check_tfm(specification,fullname) - local foundname=findbinfile(fullname,'tfm') or "" - if foundname=="" then - foundname=findbinfile(fullname,'ofm') or "" - end - if foundname=="" then - foundname=fonts.names.getfilename(fullname,"tfm") or "" - end - if foundname~="" then - specification.filename=foundname - specification.format="ofm" - return read_from_tfm(specification) - elseif trace_defining then - report_defining("loading tfm with name %a fails",specification.name) - end -end -readers.check_tfm=check_tfm -function readers.tfm(specification) - local fullname=specification.filename or "" - if fullname=="" then - local forced=specification.forced or "" - if forced~="" then - fullname=specification.name.."."..forced - else - fullname=specification.name - end - end - return check_tfm(specification,fullname) -end -readers.ofm=readers.tfm -do - local outfiles={} - local tfmcache=table.setmetatableindex(function(t,tfmdata) - local id=font.define(tfmdata) - t[tfmdata]=id - return id - end) - local encdone=table.setmetatableindex("table") - function tfm.reencode(tfmdata,specification) - local features=specification.features - if not features then - return - end - local features=features.normal - if not features then - return - end - local tfmfile=file.basename(tfmdata.name) - local encfile=features.reencode - local pfbfile=features.pfbfile - local bitmap=features.bitmap - if not encfile then - return - end - local pfbfile=outfiles[tfmfile] - if pfbfile==nil then - if bitmap then - pfbfile=false - elseif type(pfbfile)~="string" then - pfbfile=tfmfile - end - if type(pfbfile)=="string" then - pfbfile=file.addsuffix(pfbfile,"pfb") - report_tfm("using type1 shapes from %a for %a",pfbfile,tfmfile) - else - report_tfm("using bitmap shapes for %a",tfmfile) - pfbfile=false - end - outfiles[tfmfile]=pfbfile - end - local encoding=false - local vector=false - if type(pfbfile)=="string" then - local pfb=fonts.constructors.handlers.pfb - if pfb and pfb.loadvector then - local v,e=pfb.loadvector(pfbfile) - if v then - vector=v - end - if e then - encoding=e - end - end - end - if type(encfile)=="string" and encfile~="auto" then - encoding=fonts.encodings.load(file.addsuffix(encfile,"enc")) - if encoding then - encoding=encoding.vector - end - end - if not encoding then - report_tfm("bad encoding for %a, quitting",tfmfile) - return - end - local unicoding=fonts.encodings.agl and fonts.encodings.agl.unicodes - local virtualid=tfmcache[tfmdata] - local tfmdata=table.copy(tfmdata) - local characters={} - local originals=tfmdata.characters - local indices={} - local parentfont={ "font",1 } - local private=fonts.constructors.privateoffset - local reported=encdone[tfmfile][encfile] - local backmap=vector and table.swapped(vector) - local done={} - for index,name in sortedhash(encoding) do - local unicode=unicoding[name] - local original=originals[index] - if original then - if unicode then - original.unicode=unicode - else - unicode=private - private=private+1 - if not reported then - report_tfm("glyph %a in font %a with encoding %a gets unicode %U",name,tfmfile,encfile,unicode) - end - end - characters[unicode]=original - indices[index]=unicode - original.name=name - if backmap then - original.index=backmap[name] - else - original.commands={ parentfont,{ "char",index } } - original.oindex=index - end - done[name]=true - elseif not done[name] then - report_tfm("bad index %a in font %a with name %a",index,tfmfile,name) - end - end - encdone[tfmfile][encfile]=true - for k,v in next,characters do - local kerns=v.kerns - if kerns then - local t={} - for k,v in next,kerns do - local i=indices[k] - if i then - t[i]=v - end - end - v.kerns=next(t) and t or nil - end - local ligatures=v.ligatures - if ligatures then - local t={} - for k,v in next,ligatures do - local i=indices[k] - if i then - t[i]=v - v.char=indices[v.char] - end - end - v.ligatures=next(t) and t or nil - end - end - tfmdata.fonts={ { id=virtualid } } - tfmdata.characters=characters - tfmdata.fullname=tfmdata.fullname or tfmdata.name - tfmdata.psname=file.nameonly(pfbfile or tfmdata.name) - tfmdata.filename=pfbfile - tfmdata.encodingbytes=2 - tfmdata.format="type1" - tfmdata.tounicode=1 - tfmdata.embedding="subset" - tfmdata.usedbitmap=bitmap and virtualid - return tfmdata - end -end -do - local template=[[ -/CIDInit /ProcSet findresource begin - 12 dict begin - begincmap - /CIDSystemInfo << /Registry (TeX) /Ordering (bitmap-%s) /Supplement 0 >> def - /CMapName /TeX-bitmap-%s def - /CMapType 2 def - 1 begincodespacerange - <00> <FF> - endcodespacerange - %s beginbfchar -%s - endbfchar - endcmap -CMapName currentdict /CMap defineresource pop end -end -end -]] - local flushstreamobject=lpdf and lpdf.flushstreamobject - local setfontattributes=pdf.setfontattributes - if not flushstreamobject then - flushstreamobject=function(data) - return pdf.obj { - immediate=true, - type="stream", - string=data, - } - end - end - if not setfontattributes then - setfontattributes=function(id,data) - print(format("your luatex is too old so no tounicode bitmap font%i",id)) - end - end - function tfm.addtounicode(tfmdata) - local id=tfmdata.usedbitmap - local map={} - local char={} - for k,v in next,tfmdata.characters do - local index=v.oindex - local tounicode=v.tounicode - if index and tounicode then - map[index]=tounicode - end - end - for k,v in sortedhash(map) do - char[#char+1]=format("<%02X> <%s>",k,v) - end - char=concat(char,"\n") - local stream=format(template,id,id,#char,char) - local reference=flushstreamobject(stream,nil,true) - setfontattributes(id,format("/ToUnicode %i 0 R",reference)) - end -end -do - local everywhere={ ["*"]={ ["*"]=true } } - local noflags={ false,false,false,false } - local function enhance_normalize_features(data) - local ligatures=setmetatableindex("table") - local kerns=setmetatableindex("table") - local characters=data.characters - for u,c in next,characters do - local l=c.ligatures - local k=c.kerns - if l then - ligatures[u]=l - for u,v in next,l do - l[u]={ ligature=v.char } - end - c.ligatures=nil - end - if k then - kerns[u]=k - for u,v in next,k do - k[u]=v - end - c.kerns=nil - end - end - for u,l in next,ligatures do - for k,v in next,l do - local vl=v.ligature - local dl=ligatures[vl] - if dl then - for kk,vv in next,dl do - v[kk]=vv - end - end - end - end - local features={ - gpos={}, - gsub={}, - } - local sequences={ - } - if next(ligatures) then - features.gsub.liga=everywhere - data.properties.hasligatures=true - sequences[#sequences+1]={ - features={ - liga=everywhere, - }, - flags=noflags, - name="s_s_0", - nofsteps=1, - order={ "liga" }, - type="gsub_ligature", - steps={ - { - coverage=ligatures, - }, - }, - } - end - if next(kerns) then - features.gpos.kern=everywhere - data.properties.haskerns=true - sequences[#sequences+1]={ - features={ - kern=everywhere, - }, - flags=noflags, - name="p_s_0", - nofsteps=1, - order={ "kern" }, - type="gpos_pair", - steps={ - { - format="kern", - coverage=kerns, - }, - }, - } - end - data.resources.features=features - data.resources.sequences=sequences - data.shared.resources=data.shared.resources or resources - end - registertfmenhancer("normalize features",enhance_normalize_features) - registertfmenhancer("check extra features",otfenhancers.enhance) -end -registertfmfeature { - name="mode", - description="mode", - initializers={ - base=otf.modeinitializer, - node=otf.modeinitializer, - } -} -registertfmfeature { - name="features", - description="features", - default=true, - initializers={ - base=otf.basemodeinitializer, - node=otf.nodemodeinitializer, - }, - processors={ - node=otf.featuresprocessor, - } -} - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-tfm”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-lua” 1fbfdf7b689b2bdfd0e3bb9bf74ce136] --- - -if not modules then modules={} end modules ['font-lua']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end) -local report_lua=logs.reporter("fonts","lua loading") -local fonts=fonts -local readers=fonts.readers -fonts.formats.lua="lua" -local function check_lua(specification,fullname) - local fullname=resolvers.findfile(fullname) or "" - if fullname~="" then - local loader=loadfile(fullname) - loader=loader and loader() - return loader and loader(specification) - end -end -readers.check_lua=check_lua -function readers.lua(specification) - local original=specification.specification - if trace_defining then - report_lua("using lua reader for %a",original) - end - local fullname=specification.filename or "" - if fullname=="" then - local forced=specification.forced or "" - if forced~="" then - fullname=specification.name.."."..forced - else - fullname=specification.name - end - end - return check_lua(specification,fullname) -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-lua”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-def” 49fa2b50d8d2a1bb70b08b72f858ecd0] --- - -if not modules then modules={} end modules ['font-def']={ - version=1.001, - comment="companion to font-ini.mkiv", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -local lower,gsub=string.lower,string.gsub -local tostring,next=tostring,next -local lpegmatch=lpeg.match -local suffixonly,removesuffix=file.suffix,file.removesuffix -local formatters=string.formatters -local allocate=utilities.storage.allocate -local trace_defining=false trackers .register("fonts.defining",function(v) trace_defining=v end) -local directive_embedall=false directives.register("fonts.embedall",function(v) directive_embedall=v end) -trackers.register("fonts.loading","fonts.defining","otf.loading","afm.loading","tfm.loading") -trackers.register("fonts.all","fonts.*","otf.*","afm.*","tfm.*") -local report_defining=logs.reporter("fonts","defining") -local fonts=fonts -local fontdata=fonts.hashes.identifiers -local readers=fonts.readers -local definers=fonts.definers -local specifiers=fonts.specifiers -local constructors=fonts.constructors -local fontgoodies=fonts.goodies -readers.sequence=allocate { 'otf','ttf','afm','tfm','lua' } -local variants=allocate() -specifiers.variants=variants -definers.methods=definers.methods or {} -local internalized=allocate() -local lastdefined=nil -local loadedfonts=constructors.loadedfonts -local designsizes=constructors.designsizes -local resolvefile=fontgoodies and fontgoodies.filenames and fontgoodies.filenames.resolve or function(s) return s end -local splitter,splitspecifiers=nil,"" -local P,C,S,Cc=lpeg.P,lpeg.C,lpeg.S,lpeg.Cc -local left=P("(") -local right=P(")") -local colon=P(":") -local space=P(" ") -definers.defaultlookup="file" -local prefixpattern=P(false) -local function addspecifier(symbol) - splitspecifiers=splitspecifiers..symbol - local method=S(splitspecifiers) - local lookup=C(prefixpattern)*colon - local sub=left*C(P(1-left-right-method)^1)*right - local specification=C(method)*C(P(1)^1) - local name=C((1-sub-specification)^1) - splitter=P((lookup+Cc(""))*name*(sub+Cc(""))*(specification+Cc(""))) -end -local function addlookup(str,default) - prefixpattern=prefixpattern+P(str) -end -definers.addlookup=addlookup -addlookup("file") -addlookup("name") -addlookup("spec") -local function getspecification(str) - return lpegmatch(splitter,str or "") -end -definers.getspecification=getspecification -function definers.registersplit(symbol,action,verbosename) - addspecifier(symbol) - variants[symbol]=action - if verbosename then - variants[verbosename]=action - end -end -local function makespecification(specification,lookup,name,sub,method,detail,size) - size=size or 655360 - if not lookup or lookup=="" then - lookup=definers.defaultlookup - end - if trace_defining then - report_defining("specification %a, lookup %a, name %a, sub %a, method %a, detail %a", - specification,lookup,name,sub,method,detail) - end - local t={ - lookup=lookup, - specification=specification, - size=size, - name=name, - sub=sub, - method=method, - detail=detail, - resolved="", - forced="", - features={}, - } - return t -end -definers.makespecification=makespecification -function definers.analyze(specification,size) - local lookup,name,sub,method,detail=getspecification(specification or "") - return makespecification(specification,lookup,name,sub,method,detail,size) -end -definers.resolvers=definers.resolvers or {} -local resolvers=definers.resolvers -function resolvers.file(specification) - local name=resolvefile(specification.name) - local suffix=lower(suffixonly(name)) - if fonts.formats[suffix] then - specification.forced=suffix - specification.forcedname=name - specification.name=removesuffix(name) - else - specification.name=name - end -end -function resolvers.name(specification) - local resolve=fonts.names.resolve - if resolve then - local resolved,sub,subindex=resolve(specification.name,specification.sub,specification) - if resolved then - specification.resolved=resolved - specification.sub=sub - specification.subindex=subindex - local suffix=lower(suffixonly(resolved)) - if fonts.formats[suffix] then - specification.forced=suffix - specification.forcedname=resolved - specification.name=removesuffix(resolved) - else - specification.name=resolved - end - end - else - resolvers.file(specification) - end -end -function resolvers.spec(specification) - local resolvespec=fonts.names.resolvespec - if resolvespec then - local resolved,sub,subindex=resolvespec(specification.name,specification.sub,specification) - if resolved then - specification.resolved=resolved - specification.sub=sub - specification.subindex=subindex - specification.forced=lower(suffixonly(resolved)) - specification.forcedname=resolved - specification.name=removesuffix(resolved) - end - else - resolvers.name(specification) - end -end -function definers.resolve(specification) - if not specification.resolved or specification.resolved=="" then - local r=resolvers[specification.lookup] - if r then - r(specification) - end - end - if specification.forced=="" then - specification.forced=nil - specification.forcedname=nil - end - specification.hash=lower(specification.name..' @ '..constructors.hashfeatures(specification)) - if specification.sub and specification.sub~="" then - specification.hash=specification.sub..' @ '..specification.hash - end - return specification -end -function definers.applypostprocessors(tfmdata) - local postprocessors=tfmdata.postprocessors - if postprocessors then - local properties=tfmdata.properties - for i=1,#postprocessors do - local extrahash=postprocessors[i](tfmdata) - if type(extrahash)=="string" and extrahash~="" then - extrahash=gsub(lower(extrahash),"[^a-z]","-") - properties.fullname=formatters["%s-%s"](properties.fullname,extrahash) - end - end - end - return tfmdata -end -local function checkembedding(tfmdata) - local properties=tfmdata.properties - local embedding - if directive_embedall then - embedding="full" - elseif properties and properties.filename and constructors.dontembed[properties.filename] then - embedding="no" - else - embedding="subset" - end - if properties then - properties.embedding=embedding - else - tfmdata.properties={ embedding=embedding } - end - tfmdata.embedding=embedding -end -function definers.loadfont(specification) - local hash=constructors.hashinstance(specification) - local tfmdata=loadedfonts[hash] - if not tfmdata then - local forced=specification.forced or "" - if forced~="" then - local reader=readers[lower(forced)] - tfmdata=reader and reader(specification) - if not tfmdata then - report_defining("forced type %a of %a not found",forced,specification.name) - end - else - local sequence=readers.sequence - for s=1,#sequence do - local reader=sequence[s] - if readers[reader] then - if trace_defining then - report_defining("trying (reader sequence driven) type %a for %a with file %a",reader,specification.name,specification.filename) - end - tfmdata=readers[reader](specification) - if tfmdata then - break - else - specification.filename=nil - end - end - end - end - if tfmdata then - tfmdata=definers.applypostprocessors(tfmdata) - checkembedding(tfmdata) - loadedfonts[hash]=tfmdata - designsizes[specification.hash]=tfmdata.parameters.designsize - end - end - if not tfmdata then - report_defining("font with asked name %a is not found using lookup %a",specification.name,specification.lookup) - end - return tfmdata -end -function constructors.checkvirtualids() -end -function constructors.readanddefine(name,size) - local specification=definers.analyze(name,size) - local method=specification.method - if method and variants[method] then - specification=variants[method](specification) - end - specification=definers.resolve(specification) - local hash=constructors.hashinstance(specification) - local id=definers.registered(hash) - if not id then - local tfmdata=definers.loadfont(specification) - if tfmdata then - tfmdata.properties.hash=hash - constructors.checkvirtualids(tfmdata) - id=font.define(tfmdata) - definers.register(tfmdata,id) - else - id=0 - end - end - return fontdata[id],id -end -function definers.current() - return lastdefined -end -function definers.registered(hash) - local id=internalized[hash] - return id,id and fontdata[id] -end -function definers.register(tfmdata,id) - if tfmdata and id then - local hash=tfmdata.properties.hash - if not hash then - report_defining("registering font, id %a, name %a, invalid hash",id,tfmdata.properties.filename or "?") - elseif not internalized[hash] then - internalized[hash]=id - if trace_defining then - report_defining("registering font, id %s, hash %a",id,hash) - end - fontdata[id]=tfmdata - end - end -end -function definers.read(specification,size,id) - statistics.starttiming(fonts) - if type(specification)=="string" then - specification=definers.analyze(specification,size) - end - local method=specification.method - if method and variants[method] then - specification=variants[method](specification) - end - specification=definers.resolve(specification) - local hash=constructors.hashinstance(specification) - local tfmdata=definers.registered(hash) - if tfmdata then - if trace_defining then - report_defining("already hashed: %s",hash) - end - else - tfmdata=definers.loadfont(specification) - if tfmdata then - if trace_defining then - report_defining("loaded and hashed: %s",hash) - end - tfmdata.properties.hash=hash - if id then - definers.register(tfmdata,id) - end - else - if trace_defining then - report_defining("not loaded and hashed: %s",hash) - end - end - end - lastdefined=tfmdata or id - if not tfmdata then - report_defining("unknown font %a, loading aborted",specification.name) - elseif trace_defining and type(tfmdata)=="table" then - local properties=tfmdata.properties or {} - local parameters=tfmdata.parameters or {} - report_defining("using %a font with id %a, name %a, size %a, bytes %a, encoding %a, fullname %a, filename %a", - properties.format or "unknown",id,properties.name,parameters.size,properties.encodingbytes, - properties.encodingname,properties.fullname,file.basename(properties.filename)) - end - statistics.stoptiming(fonts) - return tfmdata -end -function font.getfont(id) - return fontdata[id] -end -callbacks.register('define_font',definers.read,"definition of fonts (tfmdata preparation)") - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-def”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “fonts-ext” aff3846f4c1f15de0a9f4fd7081e0c68] --- - -if not modules then modules={} end modules ['luatex-fonts-ext']={ - version=1.001, - comment="companion to luatex-*.tex", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -if context then - texio.write_nl("fatal error: this module is not for context") - os.exit() -end -local fonts=fonts -local otffeatures=fonts.constructors.features.otf -local function initializeitlc(tfmdata,value) - if value then - local parameters=tfmdata.parameters - local italicangle=parameters.italicangle - if italicangle and italicangle~=0 then - local properties=tfmdata.properties - local factor=tonumber(value) or 1 - properties.hasitalics=true - properties.autoitalicamount=factor*(parameters.uwidth or 40)/2 - end - end -end -otffeatures.register { - name="itlc", - description="italic correction", - initializers={ - base=initializeitlc, - node=initializeitlc, - } -} -local function initializeslant(tfmdata,value) - value=tonumber(value) - if not value then - value=0 - elseif value>1 then - value=1 - elseif value<-1 then - value=-1 - end - tfmdata.parameters.slantfactor=value -end -otffeatures.register { - name="slant", - description="slant glyphs", - initializers={ - base=initializeslant, - node=initializeslant, - } -} -local function initializeextend(tfmdata,value) - value=tonumber(value) - if not value then - value=0 - elseif value>10 then - value=10 - elseif value<-10 then - value=-10 - end - tfmdata.parameters.extendfactor=value -end -otffeatures.register { - name="extend", - description="scale glyphs horizontally", - initializers={ - base=initializeextend, - node=initializeextend, - } -} -fonts.protrusions=fonts.protrusions or {} -fonts.protrusions.setups=fonts.protrusions.setups or {} -local setups=fonts.protrusions.setups -local function initializeprotrusion(tfmdata,value) - if value then - local setup=setups[value] - if setup then - local factor,left,right=setup.factor or 1,setup.left or 1,setup.right or 1 - local emwidth=tfmdata.parameters.quad - tfmdata.parameters.protrusion={ - auto=true, - } - for i,chr in next,tfmdata.characters do - local v,pl,pr=setup[i],nil,nil - if v then - pl,pr=v[1],v[2] - end - if pl and pl~=0 then chr.left_protruding=left*pl*factor end - if pr and pr~=0 then chr.right_protruding=right*pr*factor end - end - end - end -end -otffeatures.register { - name="protrusion", - description="shift characters into the left and or right margin", - initializers={ - base=initializeprotrusion, - node=initializeprotrusion, - } -} -fonts.expansions=fonts.expansions or {} -fonts.expansions.setups=fonts.expansions.setups or {} -local setups=fonts.expansions.setups -local function initializeexpansion(tfmdata,value) - if value then - local setup=setups[value] - if setup then - local factor=setup.factor or 1 - tfmdata.parameters.expansion={ - stretch=10*(setup.stretch or 0), - shrink=10*(setup.shrink or 0), - step=10*(setup.step or 0), - auto=true, - } - for i,chr in next,tfmdata.characters do - local v=setup[i] - if v and v~=0 then - chr.expansion_factor=v*factor - else - chr.expansion_factor=factor - end - end - end - end -end -otffeatures.register { - name="expansion", - description="apply hz optimization", - initializers={ - base=initializeexpansion, - node=initializeexpansion, - } -} -function fonts.loggers.onetimemessage() end -local byte=string.byte -fonts.expansions.setups['default']={ - stretch=2,shrink=2,step=.5,factor=1, - [byte('A')]=0.5,[byte('B')]=0.7,[byte('C')]=0.7,[byte('D')]=0.5,[byte('E')]=0.7, - [byte('F')]=0.7,[byte('G')]=0.5,[byte('H')]=0.7,[byte('K')]=0.7,[byte('M')]=0.7, - [byte('N')]=0.7,[byte('O')]=0.5,[byte('P')]=0.7,[byte('Q')]=0.5,[byte('R')]=0.7, - [byte('S')]=0.7,[byte('U')]=0.7,[byte('W')]=0.7,[byte('Z')]=0.7, - [byte('a')]=0.7,[byte('b')]=0.7,[byte('c')]=0.7,[byte('d')]=0.7,[byte('e')]=0.7, - [byte('g')]=0.7,[byte('h')]=0.7,[byte('k')]=0.7,[byte('m')]=0.7,[byte('n')]=0.7, - [byte('o')]=0.7,[byte('p')]=0.7,[byte('q')]=0.7,[byte('s')]=0.7,[byte('u')]=0.7, - [byte('w')]=0.7,[byte('z')]=0.7, - [byte('2')]=0.7,[byte('3')]=0.7,[byte('6')]=0.7,[byte('8')]=0.7,[byte('9')]=0.7, -} -fonts.protrusions.setups['default']={ - factor=1,left=1,right=1, - [0x002C]={ 0,1 }, - [0x002E]={ 0,1 }, - [0x003A]={ 0,1 }, - [0x003B]={ 0,1 }, - [0x002D]={ 0,1 }, - [0x2013]={ 0,0.50 }, - [0x2014]={ 0,0.33 }, - [0x3001]={ 0,1 }, - [0x3002]={ 0,1 }, - [0x060C]={ 0,1 }, - [0x061B]={ 0,1 }, - [0x06D4]={ 0,1 }, -} -fonts.handlers.otf.features.normalize=function(t) - if t.rand then - t.rand="random" - end - return t -end -function fonts.helpers.nametoslot(name) - local t=type(name) - if t=="string" then - local tfmdata=fonts.hashes.identifiers[currentfont()] - local shared=tfmdata and tfmdata.shared - local fntdata=shared and shared.rawdata - return fntdata and fntdata.resources.unicodes[name] - elseif t=="number" then - return n - end -end -fonts.encodings=fonts.encodings or {} -local reencodings={} -fonts.encodings.reencodings=reencodings -local function specialreencode(tfmdata,value) - local encoding=value and reencodings[value] - if encoding then - local temp={} - local char=tfmdata.characters - for k,v in next,encoding do - temp[k]=char[v] - end - for k,v in next,temp do - char[k]=temp[k] - end - return string.format("reencoded:%s",value) - end -end -local function reencode(tfmdata,value) - tfmdata.postprocessors=tfmdata.postprocessors or {} - table.insert(tfmdata.postprocessors, - function(tfmdata) - return specialreencode(tfmdata,value) - end - ) -end -otffeatures.register { - name="reencode", - description="reencode characters", - manipulators={ - base=reencode, - node=reencode, - } -} -local function ignore(tfmdata,key,value) - if value then - tfmdata.mathparameters=nil - end -end -otffeatures.register { - name="ignoremathconstants", - description="ignore math constants table", - initializers={ - base=ignore, - node=ignore, - } -} - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “fonts-ext”] --- - - -do --- [luaotfload, fontloader-2017-02-11.lua scope for “font-gbn” 850f31ba73ff8de96371d0aed2b2b4cb] --- - -if not modules then modules={} end modules ['font-gbn']={ - version=1.001, - comment="companion to luatex-*.tex", - author="Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright="PRAGMA ADE / ConTeXt Development Team", - license="see context related readme files" -} -if context then - texio.write_nl("fatal error: this module is not for context") - os.exit() -end -local fonts=fonts -local nodes=nodes -local nuts=nodes.nuts -local traverse_id=nuts.traverse_id -local flush_node=nuts.flush_node -local glyph_code=nodes.nodecodes.glyph -local disc_code=nodes.nodecodes.disc -local tonode=nuts.tonode -local tonut=nuts.tonut -local getfont=nuts.getfont -local getchar=nuts.getchar -local getid=nuts.getid -local getboth=nuts.getboth -local getprev=nuts.getprev -local getnext=nuts.getnext -local getdisc=nuts.getdisc -local setchar=nuts.setchar -local setlink=nuts.setlink -local setprev=nuts.setprev -local nodetail=nuts.tail -local n_ligaturing=node.ligaturing -local n_kerning=node.kerning -local ligaturing=nuts.ligaturing -local kerning=nuts.kerning -local basemodepass=true -local function l_warning() texio.write_nl("warning: node.ligaturing called directly") l_warning=nil end -local function k_warning() texio.write_nl("warning: node.kerning called directly") k_warning=nil end -function node.ligaturing(...) - if basemodepass and l_warning then - l_warning() - end - return n_ligaturing(...) -end -function node.kerning(...) - if basemodepass and k_warning then - k_warning() - end - return n_kerning(...) -end -function nodes.handlers.setbasemodepass(v) - basemodepass=v -end -function nodes.handlers.nodepass(head) - local fontdata=fonts.hashes.identifiers - if fontdata then - local nuthead=tonut(head) - local usedfonts={} - local basefonts={} - local prevfont=nil - local basefont=nil - local variants=nil - local redundant=nil - for n in traverse_id(glyph_code,nuthead) do - local font=getfont(n) - if font~=prevfont then - if basefont then - basefont[2]=getprev(n) - end - prevfont=font - local used=usedfonts[font] - if not used then - local tfmdata=fontdata[font] - if tfmdata then - local shared=tfmdata.shared - if shared then - local processors=shared.processes - if processors and #processors>0 then - usedfonts[font]=processors - elseif basemodepass then - basefont={ n,nil } - basefonts[#basefonts+1]=basefont - end - end - local resources=tfmdata.resources - variants=resources and resources.variants - variants=variants and next(variants) and variants or false - end - else - local tfmdata=fontdata[prevfont] - if tfmdata then - local resources=tfmdata.resources - variants=resources and resources.variants - variants=variants and next(variants) and variants or false - end - end - end - if variants then - local char=getchar(n) - if char>=0xFE00 and (char<=0xFE0F or (char>=0xE0100 and char<=0xE01EF)) then - local hash=variants[char] - if hash then - local p=getprev(n) - if p and getid(p)==glyph_code then - local variant=hash[getchar(p)] - if variant then - setchar(p,variant) - end - end - end - if not redundant then - redundant={ n } - else - redundant[#redundant+1]=n - end - end - end - end - local nofbasefonts=#basefonts - if redundant then - for i=1,#redundant do - local r=redundant[i] - local p,n=getboth(r) - if r==nuthead then - nuthead=n - setprev(n) - else - setlink(p,n) - end - if nofbasefonts>0 then - for i=1,nofbasefonts do - local bi=basefonts[i] - if r==bi[1] then - bi[1]=n - end - if r==bi[2] then - bi[2]=n - end - end - end - flush_node(r) - end - end - for d in traverse_id(disc_code,nuthead) do - local _,_,r=getdisc(d) - if r then - for n in traverse_id(glyph_code,r) do - local font=getfont(n) - if font~=prevfont then - prevfont=font - local used=usedfonts[font] - if not used then - local tfmdata=fontdata[font] - if tfmdata then - local shared=tfmdata.shared - if shared then - local processors=shared.processes - if processors and #processors>0 then - usedfonts[font]=processors - end - end - end - end - end - end - end - end - if next(usedfonts) then - for font,processors in next,usedfonts do - for i=1,#processors do - head=processors[i](head,font,0) or head - end - end - end - if basemodepass and nofbasefonts>0 then - for i=1,nofbasefonts do - local range=basefonts[i] - local start=range[1] - local stop=range[2] - if start then - local front=nuthead==start - if not stop then - stop=nodetail(start) - end - if stop then - start,stop=ligaturing(start,stop) - start,stop=kerning(start,stop) - elseif start then - start,stop=ligaturing(start,stop) - start,stop=kerning(start,stop) - end - if front and nuthead~=start then - head=tonode(start) - end - end - end - end - return head,true - else - return head,false - end -end -function nodes.handlers.basepass(head) - if not basemodepass then - head=n_ligaturing(head) - head=n_kerning(head) - end - return head,true -end -local nodepass=nodes.handlers.nodepass -local basepass=nodes.handlers.basepass -local injectpass=nodes.injections.handler -local protectpass=nodes.handlers.protectglyphs -function nodes.simple_font_handler(head) - if head then - head=nodepass(head) - head=injectpass(head) - if not basemodepass then - head=basepass(head) - end - protectpass(head) - return head,true - else - return head,false - end -end - -end --- [luaotfload, fontloader-2017-02-11.lua scope for “font-gbn”] --- - - ---- vim:ft=lua:sw=2:ts=8:et:tw=79 |