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-rw-r--r--Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-dsp.lua125
1 files changed, 97 insertions, 28 deletions
diff --git a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-dsp.lua b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-dsp.lua
index 1e8b3bd0c7a..14e3a1d623b 100644
--- a/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-dsp.lua
+++ b/Master/texmf-dist/tex/luatex/luaotfload/fontloader-font-dsp.lua
@@ -53,6 +53,7 @@ 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
@@ -69,6 +70,7 @@ 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 -- 16-bit unsigned integer
local readulong = streamreader.readcardinal4 -- 24-bit unsigned integer
@@ -224,10 +226,15 @@ local function readcoverage(f,offset,simple)
return coverage
end
-local function readclassdef(f,offset)
+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)
@@ -249,6 +256,13 @@ local function readclassdef(f,offset)
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
@@ -365,7 +379,9 @@ end
-- We generalize the chained lookups so that we can do with only one handler
-- when processing them.
-local function readlookuparray(f,noflookups)
+-- pruned
+
+local function readlookuparray(f,noflookups,nofcurrent)
local lookups = { }
if noflookups > 0 then
local length = 0
@@ -381,10 +397,34 @@ local function readlookuparray(f,noflookups)
lookups[index] = false
end
end
+ -- if length > nofcurrent then
+ -- report("more lookups than currently matched characters")
+ -- end
end
return lookups
end
+-- not pruned
+--
+-- local function readlookuparray(f,noflookups,nofcurrent)
+-- local lookups = { }
+-- for i=1,nofcurrent do
+-- lookups[i] = false
+-- end
+-- for i=1,noflookups do
+-- local index = readushort(f) + 1
+-- if index > nofcurrent then
+-- report("more lookups than currently matched characters")
+-- for i=nofcurrent+1,index-1 do
+-- lookups[i] = false
+-- end
+-- nofcurrent = index
+-- end
+-- lookups[index] = readushort(f) + 1
+-- end
+-- return lookups
+-- end
+
local function unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyphs,what)
local tableoffset = lookupoffset + offset
setposition(f,tableoffset)
@@ -409,7 +449,7 @@ local function unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,n
for i=2,nofcurrent do
current[i] = { readushort(f) }
end
- local lookups = readlookuparray(f,noflookups)
+ local lookups = readlookuparray(f,noflookups,nofcurrent)
rules[#rules+1] = {
current = current,
lookups = lookups
@@ -433,7 +473,7 @@ local function unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,n
local rules = { }
if subclasssets then
coverage = readcoverage(f,tableoffset + coverage)
- currentclassdef = readclassdef(f,tableoffset + currentclassdef)
+ currentclassdef = readclassdef(f,tableoffset + currentclassdef,coverage)
local currentclasses = classtocoverage(currentclassdef,fontdata.glyphs)
for class=1,#subclasssets do
local offset = subclasssets[class]
@@ -452,7 +492,7 @@ local function unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,n
for i=2,nofcurrent do
current[i] = currentclasses[readushort(f) + 1]
end
- local lookups = readlookuparray(f,noflookups)
+ local lookups = readlookuparray(f,noflookups,nofcurrent)
rules[#rules+1] = {
current = current,
lookups = lookups
@@ -476,7 +516,7 @@ local function unchainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,n
elseif subtype == 3 then
local current = readarray(f)
local noflookups = readushort(f)
- local lookups = readlookuparray(f,noflookups)
+ local lookups = readlookuparray(f,noflookups,#current)
current = readcoveragearray(f,tableoffset,current,true)
return {
format = "coverage",
@@ -536,7 +576,7 @@ local function chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nof
end
end
local noflookups = readushort(f)
- local lookups = readlookuparray(f,noflookups)
+ local lookups = readlookuparray(f,noflookups,nofcurrent)
rules[#rules+1] = {
before = before,
current = current,
@@ -562,9 +602,9 @@ local function chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nof
local rules = { }
if subclasssets then
local coverage = readcoverage(f,tableoffset + coverage)
- local beforeclassdef = readclassdef(f,tableoffset + beforeclassdef)
- local currentclassdef = readclassdef(f,tableoffset + currentclassdef)
- local afterclassdef = readclassdef(f,tableoffset + afterclassdef)
+ 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)
@@ -604,7 +644,7 @@ local function chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nof
end
-- no sequence index here (so why in context as it saves nothing)
local noflookups = readushort(f)
- local lookups = readlookuparray(f,noflookups)
+ local lookups = readlookuparray(f,noflookups,nofcurrent)
rules[#rules+1] = {
before = before,
current = current,
@@ -632,7 +672,7 @@ local function chainedcontext(f,fontdata,lookupid,lookupoffset,offset,glyphs,nof
local current = readarray(f)
local after = readarray(f)
local noflookups = readushort(f)
- local lookups = readlookuparray(f,noflookups)
+ local lookups = readlookuparray(f,noflookups,#current)
before = readcoveragearray(f,tableoffset,before,true)
current = readcoveragearray(f,tableoffset,current,true)
after = readcoveragearray(f,tableoffset,after,true)
@@ -988,8 +1028,8 @@ function gposhandlers.pair(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofgly
local nofclasses2 = readushort(f) -- incl class 0
local classlist = readpairclasssets(f,nofclasses1,nofclasses2,format1,format2)
coverage = readcoverage(f,tableoffset+coverage)
- classdef1 = readclassdef(f,tableoffset+classdef1)
- classdef2 = readclassdef(f,tableoffset+classdef2)
+ 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
@@ -1246,20 +1286,50 @@ do
local plugins = { }
- function plugins.size(f,fontdata,tableoffset,parameters)
- if not fontdata.designsize then
- setposition(f,tableoffset+parameters)
- local designsize = readushort(f)
- if designsize > 0 then
- fontdata.designsize = designsize
- skipshort(f,2)
- fontdata.minsize = readushort(f)
- fontdata.maxsize = readushort(f)
+ function plugins.size(f,fontdata,tableoffset,feature)
+ if fontdata.designsize then
+ -- yes, there are fonts with multiple size entries ... it probably relates
+ -- to the other two fields (menu entries in some language)
+ else
+ local function check(offset)
+ setposition(f,offset)
+ local designsize = readushort(f)
+ if designsize > 0 then -- we could also have a threshold
+ 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
+ -- some old adobe fonts have: tableoffset+feature.parameters and we could
+ -- use some heuristic but why bother ... this extra check will be removed
+ -- some day and/or when we run into an issue
+ 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
- -- feature order needs checking ... as we loop over a hash
+ -- feature order needs checking ... as we loop over a hash ... however, in the file
+ -- they are sorted so order is not that relevant
local function reorderfeatures(fontdata,scripts,features)
local scriptlangs = { }
@@ -1401,7 +1471,7 @@ do
feature.parameters = parameters
local plugin = plugins[feature.tag]
if plugin then
- plugin(f,fontdata,offset,parameters)
+ plugin(f,fontdata,featureoffset,feature)
end
end
end
@@ -1660,7 +1730,7 @@ do
flags = d.flags,
-- chain = d.chain,
}
- sublookuplist[nofsublookups] = h
+ sublookuplist[nofsublookups] = copy(h) -- we repack later
sublookuphash[lookupid] = nofsublookups
sublookupcheck[lookupid] = 1
else
@@ -1894,7 +1964,7 @@ function readers.gdef(f,fontdata,specification)
end
end
-- mark sets : todo: just make the same as class sets above
- if marksetsoffset then
+ if marksetsoffset and marksetsoffset > tableoffset then -- zero offset means no table
setposition(f,marksetsoffset)
local format = readushort(f)
if format == 1 then
@@ -1903,7 +1973,6 @@ function readers.gdef(f,fontdata,specification)
for i=1,nofsets do
sets[i] = readulong(f)
end
- -- somehow this fails on e.g. notosansethiopic-bold.ttf
for i=1,nofsets do
local offset = sets[i]
if offset ~= 0 then