diff options
Diffstat (limited to 'src/fontloader/runtime')
| -rw-r--r-- | src/fontloader/runtime/fontloader-reference.lua | 93 |
1 files changed, 89 insertions, 4 deletions
diff --git a/src/fontloader/runtime/fontloader-reference.lua b/src/fontloader/runtime/fontloader-reference.lua index b76b15c..2472903 100644 --- a/src/fontloader/runtime/fontloader-reference.lua +++ b/src/fontloader/runtime/fontloader-reference.lua @@ -1,6 +1,6 @@ -- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua -- parent file : c:/data/develop/context/sources/luatex-fonts.lua --- merge date : 04/13/16 16:46:44 +-- merge date : 04/16/16 15:27:56 do -- begin closure to overcome local limits and interference @@ -6673,6 +6673,92 @@ function mappings.addtounicode(data,filename,checklookups) if type(checklookups)=="function" then checklookups(data,missing,nofmissing) end + local unset={} + for unic,glyph in next,descriptions do + if not glyph.unicode and glyph.class=="ligature" then + unset[unic]=glyph + end + end + if next(unset) then + local sequences=resources.sequences + 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 + table.insert(l,k) + for k,vv in next,v do + traverse(p,k,vv) + end + table.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 + unset[k]=nil + else + local c=collected[vi] + if c then + done=true + local t={} + local n=i-1 + for j=1,n do + t[j]=t[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]=t[j] + end + collected[k]=t + break + end + end + end + end + if not done then + break + end + end + local n=0 + for k,v in next,unset do + u=collected[k] + if u then + v.unicode=u + n=n+1 + end + end + if trace_mapping and n>0 then + report_fonts("%n ligature tounicode mappings deduced from gsub ligature feaures",n) + end + end + end if trace_mapping then for unic,glyph in table.sortedhash(descriptions) do local name=glyph.name @@ -12506,7 +12592,7 @@ local function handlemark(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofglyp local b=basecoverage[i] if components then for c=1,#components do - local classes=components[i] + local classes=components[c] if classes then for i=1,nofclasses do local anchor=readanchor(f,classes[i]) @@ -15378,7 +15464,7 @@ local trace_defining=false registertracker("fonts.defining",function(v) trace_de local report_otf=logs.reporter("fonts","otf loading") local fonts=fonts local otf=fonts.handlers.otf -otf.version=3.016 +otf.version=3.017 otf.cache=containers.define("fonts","otl",otf.version,true) local otfreaders=otf.readers local hashes=fonts.hashes @@ -20017,7 +20103,6 @@ local function handle_contextchain(head,start,dataset,sequence,contexts,rlmode) end break end - current=getnext(current) elseif char==false then if discfound then notmatchreplace[discfound]=true |