diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/font-def.lua')
| -rw-r--r-- | Master/texmf-dist/tex/context/base/font-def.lua | 140 |
1 files changed, 96 insertions, 44 deletions
diff --git a/Master/texmf-dist/tex/context/base/font-def.lua b/Master/texmf-dist/tex/context/base/font-def.lua index 28afe670b55..c3b10162ce6 100644 --- a/Master/texmf-dist/tex/context/base/font-def.lua +++ b/Master/texmf-dist/tex/context/base/font-def.lua @@ -1,6 +1,6 @@ if not modules then modules = { } end modules ['font-def'] = { version = 1.001, - comment = "companion to font-ini.tex", + 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" @@ -8,8 +8,10 @@ if not modules then modules = { } end modules ['font-def'] = { local format, concat, gmatch, match, find, lower = string.format, table.concat, string.gmatch, string.match, string.find, string.lower local tostring, next = tostring, next +local lpegmatch = lpeg.match -local trace_defining = false trackers.register("fonts.defining", function(v) trace_defining = v end) +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.*") @@ -77,22 +79,37 @@ and prepares a table that will move along as we proceed.</p> local splitter, specifiers = 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(" ") + +define.defaultlookup = "file" + +local prefixpattern = P(false) + function define.add_specifier(symbol) specifiers = specifiers .. symbol - local left = lpeg.P("(") - local right = lpeg.P(")") - local colon = lpeg.P(":") - local method = lpeg.S(specifiers) - local lookup = lpeg.C(lpeg.P("file")+lpeg.P("name")) * colon -- hard test, else problems with : method - local sub = left * lpeg.C(lpeg.P(1-left-right-method)^1) * right ---~ local specification = lpeg.C(method) * lpeg.C(lpeg.P(1-method)^1) - local specification = lpeg.C(method) * lpeg.C(lpeg.P(1)^1) - local name = lpeg.C((1-sub-specification)^1) - splitter = lpeg.P((lookup + lpeg.Cc("")) * name * (sub + lpeg.Cc("")) * (specification + lpeg.Cc(""))) + local method = S(specifiers) + 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 +function define.add_lookup(str,default) + prefixpattern = prefixpattern + P(str) +end + +define.add_lookup("file") +define.add_lookup("name") +define.add_lookup("spec") + function define.get_specification(str) - return splitter:match(str) + return lpegmatch(splitter,str) end function define.register_split(symbol,action) @@ -111,8 +128,8 @@ function define.makespecification(specification, lookup, name, sub, method, deta --~ lookup = specification.lookup -- can come from xetex [] syntax --~ specification.lookup = nil --~ end - if lookup ~= 'name' then -- for the moment only two lookups, maybe some day also system: - lookup = 'file' + if not lookup or lookup == "" then + lookup = define.defaultlookup end local t = { lookup = lookup, -- forced type @@ -132,7 +149,7 @@ end function define.analyze(specification, size) -- can be optimized with locals local lookup, name, sub, method, detail = define.get_specification(specification or "") - return define.makespecification(specification,lookup, name, sub, method, detail, size) + return define.makespecification(specification, lookup, name, sub, method, detail, size) end --[[ldx-- @@ -214,17 +231,44 @@ end <p>We can resolve the filename using the next function:</p> --ldx]]-- +define.resolvers = resolvers + +function define.resolvers.file(specification) + specification.forced = file.extname(specification.name) + specification.name = file.removesuffix(specification.name) +end + +function define.resolvers.name(specification) + local resolve = fonts.names.resolve + if resolve then + specification.resolved, specification.sub = fonts.names.resolve(specification.name,specification.sub) + if specification.resolved then + specification.forced = file.extname(specification.resolved) + specification.name = file.removesuffix(specification.resolved) + end + else + define.resolvers.file(specification) + end +end + +function define.resolvers.spec(specification) + local resolvespec = fonts.names.resolvespec + if resolvespec then + specification.resolved, specification.sub = fonts.names.resolvespec(specification.name,specification.sub) + if specification.resolved then + specification.forced = file.extname(specification.resolved) + specification.name = file.removesuffix(specification.resolved) + end + else + define.resolvers.name(specification) + end +end + function define.resolve(specification) if not specification.resolved or specification.resolved == "" then -- resolved itself not per se in mapping hash - if specification.lookup == 'name' then - specification.resolved, specification.sub = fonts.names.resolve(specification.name,specification.sub) - if specification.resolved then - specification.forced = file.extname(specification.resolved) - specification.name = file.removesuffix(specification.resolved) - end - elseif specification.lookup == 'file' then - specification.forced = file.extname(specification.name) - specification.name = file.removesuffix(specification.name) + local r = define.resolvers[specification.lookup] + if r then + r(specification) end end if specification.forced == "" then @@ -232,7 +276,6 @@ function define.resolve(specification) else specification.forced = specification.forced end ---~ specification.hash = specification.name .. ' @ ' .. tfm.hash_features(specification) specification.hash = lower(specification.name .. ' @ ' .. tfm.hash_features(specification)) if specification.sub and specification.sub ~= "" then specification.hash = specification.sub .. ' @ ' .. specification.hash @@ -271,7 +314,7 @@ function tfm.read(specification) local reader = sequence[s] if readers[reader] then -- not really needed if trace_defining then - logs.report("define font","trying (sequence driven) type %s for %s with file %s",reader,specification.name,specification.filename or "unknown") + logs.report("define font","trying (reader sequence driven) type %s for %s with file %s",reader,specification.name,specification.filename or "unknown") end tfmtable = readers[reader](specification) if tfmtable then @@ -283,7 +326,9 @@ function tfm.read(specification) end end if tfmtable then - if tfmtable.filename and fonts.dontembed[tfmtable.filename] then + if directive_embedall then + tfmtable.embedding = "full" + elseif tfmtable.filename and fonts.dontembed[tfmtable.filename] then tfmtable.embedding = "no" else tfmtable.embedding = "subset" @@ -406,16 +451,22 @@ function readers.afm(specification,method) return tfmtable end -local function check_otf(specification,suffix,what) - local fullname, tfmtable = resolvers.findbinfile(specification.name,suffix) or "", nil +-- maybe some day a set of names + +local function check_otf(forced,specification,suffix,what) + local name = specification.name + if forced then + name = file.addsuffix(name,suffix) + end + local fullname, tfmtable = resolvers.findbinfile(name,suffix) or "", nil -- one shot if fullname == "" then - local fb = fonts.names.old_to_new[specification.name] + local fb = fonts.names.old_to_new[name] if fb then fullname = resolvers.findbinfile(fb,suffix) or "" end end if fullname == "" then - local fb = fonts.names.new_to_old[specification.name] + local fb = fonts.names.new_to_old[name] if fb then fullname = resolvers.findbinfile(fb,suffix) or "" end @@ -430,13 +481,11 @@ end function readers.opentype(specification,suffix,what) local forced = specification.forced or "" if forced == "otf" then - return check_otf(specification,forced,"opentype") - elseif forced == "ttf" then - return check_otf(specification,forced,"truetype") - elseif forced == "ttf" then - return check_otf(specification,forced,"truetype") + return check_otf(true,specification,forced,"opentype") + elseif forced == "ttf" or forced == "ttc" or forced == "dfont" then + return check_otf(true,specification,forced,"truetype") else - return check_otf(specification,suffix,what) + return check_otf(false,specification,suffix,what) end end @@ -452,14 +501,14 @@ a helper function.</p> function define.check(features,defaults) -- nb adapts features ! local done = false - if table.is_empty(features) then - features, done = table.fastcopy(defaults), true - else + if features and next(features) then for k,v in next, defaults do if features[k] == nil then features[k], done = v, true end end + else + features, done = table.fastcopy(defaults), true end return features, done -- done signals a change end @@ -485,7 +534,10 @@ function define.register(fontdata,id) if trace_defining then logs.report("define font","loading at 2 id %s, hash: %s",id or "?",hash or "?") end - fonts.ids[id] = fontdata + fonts.identifiers[id] = fontdata + fonts.characters [id] = fontdata.characters + fonts.quads [id] = fontdata.parameters.quad + -- todo: extra functions, e.g. setdigitwidth etc in list tfm.internalized[hash] = id end end @@ -595,5 +647,5 @@ end <p>We overload both the <l n='tfm'/> and <l n='vf'/> readers.</p> --ldx]]-- -callback.register('define_font' , define.read) -callback.register('find_vf_file', vf.find ) -- not that relevant any more +callbacks.register('define_font' , define.read, "definition of fonts (tfmtable preparation)") +callbacks.register('find_vf_file', vf.find , "locating virtual fonts, insofar needed") -- not that relevant any more |