diff options
Diffstat (limited to 'src/fontloader/runtime')
| -rw-r--r-- | src/fontloader/runtime/fontloader-fontloader.lua | 1204 |
1 files changed, 838 insertions, 366 deletions
diff --git a/src/fontloader/runtime/fontloader-fontloader.lua b/src/fontloader/runtime/fontloader-fontloader.lua index f11a74c..96a7dd3 100644 --- a/src/fontloader/runtime/fontloader-fontloader.lua +++ b/src/fontloader/runtime/fontloader-fontloader.lua @@ -1,6 +1,6 @@ -- merged file : luatex-fonts-merged.lua -- parent file : luatex-fonts.lua --- merge date : 12/11/14 12:02:53 +-- merge date : 12/21/14 22:25:48 do -- begin closure to overcome local limits and interference @@ -3889,8 +3889,6 @@ 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.kerning=node.kerning -nodes.ligaturing=node.ligaturing nodes.mlist_to_hlist=node.mlist_to_hlist local direct=node.direct local nuts={} @@ -3917,8 +3915,12 @@ nuts.insert_before=direct.insert_before nuts.insert_after=direct.insert_after nuts.delete=direct.delete nuts.copy=direct.copy +nuts.copy_list=direct.copy_list nuts.tail=direct.tail nuts.flush_list=direct.flush_list +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 @@ -8730,6 +8732,7 @@ actions["reorganize glyph lookups"]=function(data,filename,raw) end end end +local zero={ 0,0 } actions["reorganize glyph anchors"]=function(data,filename,raw) local descriptions=data.descriptions for unicode,description in next,descriptions do @@ -8738,14 +8741,32 @@ actions["reorganize glyph anchors"]=function(data,filename,raw) for class,data in next,anchors do if class=="baselig" then for tag,specification in next,data do - for i=1,#specification do - local si=specification[i] - specification[i]={ si.x or 0,si.y or 0 } + local n=0 + for k,v in next,specification do + if k>n then + n=k + end + local x,y=v.x,v.y + if x or y then + specification[k]={ x or 0,y or 0 } + else + specification[k]=zero + end + end + local t={} + for i=1,n do + t[i]=specification[i] or zero end + data[tag]=t end else for tag,specification in next,data do - data[tag]={ specification.x or 0,specification.y or 0 } + local x,y=specification.x,specification.y + if x or y then + data[tag]={ x or 0,y or 0 } + else + data[tag]=zero + end end end end @@ -9819,17 +9840,19 @@ end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['node-inj']={ +if not modules then modules={} end modules ['font-inj']={ version=1.001, - comment="companion to node-ini.mkiv", + 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", } -local next=next +if not nodes.properties then return end +local next,rawget=next,rawget local utfchar=utf.char -local trace_injections=false trackers.register("nodes.injections",function(v) trace_injections=v end) -local report_injections=logs.reporter("nodes","injections") +local trace_injections=false trackers.register("fonts.injections",function(v) trace_injections=v end) +local report_injections=logs.reporter("fonts","injections") +report_injections("using experimental injector") local attributes,nodes,node=attributes,nodes,node fonts=fonts local fontdata=fonts.hashes.identifiers @@ -9837,6 +9860,7 @@ nodes.injections=nodes.injections or {} local injections=nodes.injections local nodecodes=nodes.nodecodes local glyph_code=nodecodes.glyph +local disc_code=nodecodes.disc local kern_code=nodecodes.kern local nuts=nodes.nuts local nodepool=nuts.pool @@ -9844,149 +9868,316 @@ 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 getattr=nuts.getattr local getfont=nuts.getfont local getsubtype=nuts.getsubtype local getchar=nuts.getchar -local setfield=nuts.setfield -local setattr=nuts.setattr local traverse_id=nuts.traverse_id local insert_node_before=nuts.insert_before local insert_node_after=nuts.insert_after -local a_kernpair=attributes.private('kernpair') -local a_ligacomp=attributes.private('ligacomp') -local a_markbase=attributes.private('markbase') -local a_markmark=attributes.private('markmark') -local a_markdone=attributes.private('markdone') -local a_cursbase=attributes.private('cursbase') -local a_curscurs=attributes.private('curscurs') -local a_cursdone=attributes.private('cursdone') -local unsetvalue=attributes.unsetvalue +local find_tail=nuts.tail +local properties=nodes.properties.data function injections.installnewkern(nk) newkern=nk or newkern end -local cursives={} -local marks={} -local kerns={} +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,start) + if p and p.injections then + p.injections=nil + end end function injections.setligaindex(n,index) - setattr(n,a_ligacomp,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) - return getattr(n,a_ligacomp) or default + local p=rawget(properties,n) + if p then + p=p.injections + if p then + return p.ligaindex or default + end + end + return default end -function injections.setcursive(start,nxt,factor,rlmode,exit,entry,tfmstart,tfmnext) - local dx,dy=factor*(exit[1]-entry[1]),factor*(exit[2]-entry[2]) +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,wn=tfmstart.width,tfmnext.width - local bound=#cursives+1 - setattr(start,a_cursbase,bound) - setattr(nxt,a_curscurs,bound) - cursives[bound]={ rlmode,dx,dy,ws,wn } - return dx,dy,bound -end -function injections.setpair(current,factor,rlmode,r2lflag,spec,tfmchr) - local x,y,w,h=factor*spec[1],factor*spec[2],factor*spec[3],factor*spec[4] - if x~=0 or w~=0 or y~=0 or h~=0 then - local bound=getattr(current,a_kernpair) - if bound then - local kb=kerns[bound] - kb[2],kb[3],kb[4],kb[5]=(kb[2] or 0)+x,(kb[3] or 0)+y,(kb[4] or 0)+w,(kb[5] or 0)+h + nofregisteredcursives=nofregisteredcursives+1 + if rlmode<0 then + dx=-(dx+wn) + else + dx=dx-ws + 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 - bound=#kerns+1 - setattr(current,a_kernpair,bound) - kerns[bound]={ rlmode,x,y,w,h,r2lflag,tfmchr.width } + p.injections={ + cursivex=dx, + cursivey=dy, + } end - return x,y,w,h,bound + 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,y,w,h=factor*spec[1],factor*spec[2],factor*spec[3],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 + local p=rawget(properties,current) + if p then + local i=p.injections + if i then + if leftkern~=0 or rightkern~=0 then + i.leftkern=i.leftkern or 0+leftkern + 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.injections={ + leftkern=leftkern, + rightkern=rightkern, + yoffset=yoffset, + } + else + p.injections={ + yoffset=yoffset, + } + end + elseif leftkern~=0 or rightkern~=0 then + properties[current]={ + injections={ + leftkern=leftkern, + rightkern=rightkern, + yoffset=yoffset, + }, + } + else + properties[current]={ + injections={ + yoffset=yoffset, + }, + } + end + return x,y,w,h,nofregisteredpairs + end end return x,y,w,h end -function injections.setkern(current,factor,rlmode,x,tfmchr) +function injections.setkern(current,factor,rlmode,x,injection) local dx=factor*x if dx~=0 then - local bound=#kerns+1 - setattr(current,a_kernpair,bound) - kerns[bound]={ rlmode,dx } - return dx,bound + nofregisteredkerns=nofregisteredkerns+1 + local p=rawget(properties,current) + if not injection then + injection="injections" + end + if p then + local i=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) +function injections.setmark(start,base,factor,rlmode,ba,ma,tfmbase) local dx,dy=factor*(ba[1]-ma[1]),factor*(ba[2]-ma[2]) - local bound=getattr(base,a_markbase) - local index=1 - if bound then - local mb=marks[bound] - if mb then - index=#mb+1 - mb[index]={ dx,dy,rlmode } - setattr(start,a_markmark,bound) - setattr(start,a_markdone,index) - return dx,dy,bound + 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 + i.markx=dx + i.marky=dy + i.markdir=rlmode or 0 + i.markbase=nofregisteredmarks + i.markbasenode=base else - report_injections("possible problem, %U is base mark without data (id %a)",getchar(base),bound) + p.injections={ + markx=dx, + marky=dy, + markdir=rlmode or 0, + markbase=nofregisteredmarks, + markbasenode=base, + } end + else + properties[start]={ + injections={ + markx=dx, + marky=dy, + markdir=rlmode or 0, + markbase=nofregisteredmarks, + markbasenode=base, + }, + } end - index=index or 1 - bound=#marks+1 - setattr(base,a_markbase,bound) - setattr(start,a_markmark,bound) - setattr(start,a_markdone,index) - marks[bound]={ [index]={ dx,dy,rlmode } } - return dx,dy,bound + 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 trace(head) - report_injections("begin run") - for n in traverse_id(glyph_code,head) do - if getsubtype(n)<256 then - local kp=getattr(n,a_kernpair) - local mb=getattr(n,a_markbase) - local mm=getattr(n,a_markmark) - local md=getattr(n,a_markdone) - local cb=getattr(n,a_cursbase) - local cc=getattr(n,a_curscurs) - local char=getchar(n) - report_injections("font %s, char %U, glyph %c",getfont(n),char,char) - if kp then - local k=kerns[kp] - if k[3] then - report_injections(" pairkern: dir %a, x %p, y %p, w %p, h %p",dir(k[1]),k[2],k[3],k[4],k[5]) - else - report_injections(" kern: dir %a, dx %p",dir(k[1]),k[2]) +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 p=p[what] + if p then + local leftkern=p.leftkern or 0 + local rightkern=p.rightkern or 0 + local yoffset=p.yoffset or 0 + local markx=p.markx or 0 + local marky=p.marky or 0 + local markdir=p.markdir or 0 + local markbase=p.markbase or 0 + local cursivex=p.cursivex or 0 + local cursivey=p.cursivey or 0 + local ligaindex=p.ligaindex or 0 + 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 - end - if mb then - report_injections(" markbase: bound %a",mb) - end - if mm then - local m=marks[mm] - if mb then - local m=m[mb] - if m then - report_injections(" markmark: bound %a, index %a, dx %p, dy %p",mm,md,m[1],m[2]) - else - report_injections(" markmark: bound %a, missing index",mm) - end - else - m=m[1] - report_injections(" markmark: bound %a, dx %p, dy %p",mm,m and m[1],m and m[2]) + 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 + report_injections("%w%s curs: dx %p, dy %p",margin,symbol,cursivex,cursivey) + end + if ligaindex~=0 then + report_injections("%w%s liga: index %i",margin,symbol,ligaindex) end end - if cb then - report_injections(" cursbase: bound %a",cb) + 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) + report_injections("begin run: %s kerns, %s pairs, %s marks and %s cursives registered", + 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,"=") + elseif id==disc_code then + local pre=getfield(n,"pre") + local post=getfield(n,"post") + local replace=getfield(n,"replace") + if pre then + showsub(pre,"preinjections","pre") + end + if post then + showsub(post,"postinjections","post") end - if cc then - local c=cursives[cc] - report_injections(" curscurs: bound %a, dir %a, dx %p, dy %p",cc,dir(c[1]),c[2],c[3]) + if replace then + showsub(replace,"replaceinjections","replace") end end + n=getnext(n) end report_injections("end run") end @@ -10009,298 +10200,553 @@ local function show_result(head) current=getnext(current) end end -function injections.handler(head,where,keep) - head=tonut(head) - local has_marks,has_cursives,has_kerns=next(marks),next(cursives),next(kerns) - if has_marks or has_cursives then - if trace_injections then - trace(head) - end - local done,ky,rl,valid,cx,wx,mk,nofvalid=false,{},{},{},{},{},{},0 - if has_kerns then - local nf,tm=nil,nil - for n in traverse_id(glyph_code,head) do - if getsubtype(n)<256 then - nofvalid=nofvalid+1 - valid[nofvalid]=n - local f=getfont(n) - if f~=nf then - nf=f - tm=fontdata[nf].resources.marks +local function collect_glyphs_1(head) + local glyphs,nofglyphs={},0 + local marks,nofmarks={},0 + local nf,tm=nil,nil + for n in traverse_id(glyph_code,head) do + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + pn=pn.injections + end + local f=getfont(n) + if f~=nf then + nf=f + tm=fontdata[nf].resources.marks + end + if tm and tm[getchar(n)] then + nofmarks=nofmarks+1 + marks[nofmarks]=n + else + nofglyphs=nofglyphs+1 + glyphs[nofglyphs]=n + end + if pn then + local yoffset=pn.yoffset + if yoffset and yoffset~=0 then + setfield(n,"yoffset",yoffset) + end + end + end + end + return glyphs,nofglyphs,marks,nofmarks +end +local function collect_glyphs_2(head) + local glyphs,nofglyphs={},0 + local marks,nofmarks={},0 + local nf,tm=nil,nil + for n in traverse_id(glyph_code,head) do + if getsubtype(n)<256 then + local f=getfont(n) + if f~=nf then + nf=f + tm=fontdata[nf].resources.marks + end + if tm and tm[getchar(n)] then + nofmarks=nofmarks+1 + marks[nofmarks]=n + else + nofglyphs=nofglyphs+1 + glyphs[nofglyphs]=n + end + end + end + return glyphs,nofglyphs,marks,nofmarks +end +local function inject_marks(marks,nofmarks) + for i=1,nofmarks do + local n=marks[i] + local pn=rawget(properties,n) + if pn then + pn=pn.injections + end + if pn then + local p=pn.markbasenode + if p then + local px=getfield(p,"xoffset") + local ox=0 + local pp=rawget(properties,p) + local rightkern=pp and pp.rightkern + if rightkern then + if pn.markdir<0 then + ox=px-pn.markx-rightkern + else + ox=px-pn.markx-pp.leftkern + end + else + ox=px-pn.markx + local wn=getfield(n,"width") + if wn~=0 then + pn.leftkern=-wn/2 + pn.rightkern=-wn/2 + end + end + setfield(n,"xoffset",ox) + local py=getfield(p,"yoffset") + local oy=0 + if marks[p] then + oy=py+pn.marky + else + oy=getfield(n,"yoffset")+py+pn.marky end - if tm then - mk[n]=tm[getchar(n)] + setfield(n,"yoffset",oy) + else + end + end + end +end +local function inject_cursives(glyphs,nofglyphs) + local cursiveanchor,lastanchor=nil,nil + local minc,maxc,last=0,0,nil + for i=1,nofglyphs do + local n=glyphs[i] + local pn=rawget(properties,n) + if pn then + pn=pn.injections + end + if pn then + local cursivex=pn.cursivex + if cursivex then + if cursiveanchor then + if cursivex~=0 then + pn.leftkern=pn.leftkern or 0+cursivex end - local k=getattr(n,a_kernpair) - if k then - local kk=kerns[k] - if kk then - local x,y,w,h=kk[2] or 0,kk[3] or 0,kk[4] or 0,kk[5] or 0 - local dy=y-h - if dy~=0 then - ky[n]=dy - end - if w~=0 or x~=0 then - wx[n]=kk - end - rl[n]=kk[1] + if lastanchor then + if maxc==0 then + minc=lastanchor end + maxc=lastanchor + properties[cursiveanchor].cursivedy=pn.cursivey end + last=n + else + maxc=0 end + elseif maxc>0 then + local ny=getfield(n,"yoffset") + for i=maxc,minc,-1 do + local ti=glyphs[i] + ny=ny+properties[ti].cursivedy + setfield(ti,"yoffset",ny) + end + maxc=0 end - else - local nf,tm=nil,nil - for n in traverse_id(glyph_code,head) do - if getsubtype(n)<256 then - nofvalid=nofvalid+1 - valid[nofvalid]=n - local f=getfont(n) - if f~=nf then - nf=f - tm=fontdata[nf].resources.marks - end - if tm then - mk[n]=tm[getchar(n)] + if pn.cursiveanchor then + cursiveanchor=n + lastanchor=i + else + cursiveanchor=nil + lastanchor=nil + if maxc>0 then + local ny=getfield(n,"yoffset") + for i=maxc,minc,-1 do + local ti=glyphs[i] + ny=ny+properties[ti].cursivedy + setfield(ti,"yoffset",ny) end + maxc=0 end end + elseif maxc>0 then + local ny=getfield(n,"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 + lastanchor=nil end - if nofvalid>0 then - local cx={} - if has_kerns and next(ky) then - for n,k in next,ky do - setfield(n,"yoffset",k) - end + end + if last 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) + end + end +end +local function inject_kerns(head,glyphs,nofglyphs) + for i=1,#glyphs do + local n=glyphs[i] + local pn=rawget(properties,n) + if pn then + pn=pn.injections + end + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + insert_node_before(head,n,newkern(leftkern)) end - if has_cursives then - local p_cursbase,p=nil,nil - local t,d,maxt={},{},0 - for i=1,nofvalid do - local n=valid[i] - if not mk[n] then - local n_cursbase=getattr(n,a_cursbase) - if p_cursbase then - local n_curscurs=getattr(n,a_curscurs) - if p_cursbase==n_curscurs then - local c=cursives[n_curscurs] - if c then - local rlmode,dx,dy,ws,wn=c[1],c[2],c[3],c[4],c[5] - if rlmode>=0 then - dx=dx-ws - else - dx=dx+wn - end - if dx~=0 then - cx[n]=dx - rl[n]=rlmode - end - dy=-dy - maxt=maxt+1 - t[maxt]=p - d[maxt]=dy - else - maxt=0 + local rightkern=pn.rightkern + if rightkern and rightkern~=0 then + insert_node_after(head,n,newkern(rightkern)) + end + end + end +end +local function inject_everything(head,where) + head=tonut(head) + if trace_injections then + trace(head) + end + local glyphs,nofglyphs,marks,nofmarks + if nofregisteredpairs>0 then + glyphs,nofglyphs,marks,nofmarks=collect_glyphs_1(head) + else + glyphs,nofglyphs,marks,nofmarks=collect_glyphs_2(head) + end + if nofglyphs>0 then + if nofregisteredcursives>0 then + inject_cursives(glyphs,nofglyphs) + end + if nofregisteredmarks>0 then + inject_marks(marks,nofmarks) + end + inject_kerns(head,glyphs,nofglyphs) + end + if keepregisteredcounts then + keepregisteredcounts=false + else + nofregisteredkerns=0 + nofregisteredpairs=0 + nofregisteredmarks=0 + nofregisteredcursives=0 + end + return tonode(head),true +end +local function inject_kerns_only(head,where) + head=tonut(head) + if trace_injections then + trace(head) + end + local n=head + local p=nil + while n do + local id=getid(n) + if id==glyph_code then + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + if p then + local d=getfield(p,"post") + if d then + local pn=pn.postinjections + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + local t=find_tail(d) + insert_node_after(d,t,newkern(leftkern)) end end - elseif maxt>0 then - local ny=getfield(n,"yoffset") - for i=maxt,1,-1 do - ny=ny+d[i] - local ti=t[i] - setfield(ti,"yoffset",getfield(ti,"yoffset")+ny) - end - maxt=0 - end - if not n_cursbase and maxt>0 then - local ny=getfield(n,"yoffset") - for i=maxt,1,-1 do - ny=ny+d[i] - local ti=t[i] - setfield(ti,"yoffset",ny) - end - maxt=0 - end - p_cursbase,p=n_cursbase,n - end - end - if maxt>0 then - local ny=getfield(n,"yoffset") - for i=maxt,1,-1 do - ny=ny+d[i] - local ti=t[i] - setfield(ti,"yoffset",ny) - end - maxt=0 - end - if not keep then - cursives={} - end - end - if has_marks then - for i=1,nofvalid do - local p=valid[i] - local p_markbase=getattr(p,a_markbase) - if p_markbase then - local mrks=marks[p_markbase] - local nofmarks=#mrks - for n in traverse_id(glyph_code,getnext(p)) do - local n_markmark=getattr(n,a_markmark) - if p_markbase==n_markmark then - local index=getattr(n,a_markdone) or 1 - local d=mrks[index] - if d then - local rlmode=d[3] - local k=wx[p] - local px=getfield(p,"xoffset") - local ox=0 - if k then - local x=k[2] - local w=k[4] - if w then - if rlmode and rlmode>=0 then - ox=px-getfield(p,"width")+d[1]-(w-x) - else - ox=px-d[1]-x - end - else - if rlmode and rlmode>=0 then - ox=px-getfield(p,"width")+d[1] - else - ox=px-d[1]-x - end - end - else - local wp=getfield(p,"width") - local wn=getfield(n,"width") - if rlmode and rlmode>=0 then - ox=px-wp+d[1] - else - ox=px-d[1] - end - if wn~=0 then - insert_node_before(head,n,newkern(-wn/2)) - insert_node_after(head,n,newkern(-wn/2)) - end - end - setfield(n,"xoffset",ox) - local py=getfield(p,"yoffset") - local oy=0 - if mk[p] then - oy=py+d[2] - else - oy=getfield(n,"yoffset")+py+d[2] - end - setfield(n,"yoffset",oy) - if nofmarks==1 then - break - else - nofmarks=nofmarks-1 - end + end + local d=getfield(p,"replace") + if d then + local pn=pn.replaceinjections + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + local t=find_tail(d) + insert_node_after(d,t,newkern(leftkern)) + end + end + else + local pn=pn.injections + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + setfield(p,"replace",newkern(leftkern)) end - elseif not n_markmark then - break - else + end + end + else + local pn=pn.injections + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + head=insert_node_before(head,n,newkern(leftkern)) end end end end - if not keep then - marks={} - end + else + break end - if next(wx) then - for n,k in next,wx do - local x=k[2] - local w=k[4] - if w then - local rl=k[1] - local wx=w-x - if rl<0 then - if wx~=0 then - insert_node_before(head,n,newkern(wx)) - end - if x~=0 then - insert_node_after (head,n,newkern(x)) - end - else - if x~=0 then - insert_node_before(head,n,newkern(x)) - end - if wx~=0 then - insert_node_after (head,n,newkern(wx)) + p=nil + elseif id==disc_code then + local d=getfield(n,"pre") + if d then + local h=d + for n in traverse_id(glyph_code,d) do + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + pn=pn.preinjections + end + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + h=insert_node_before(h,n,newkern(leftkern)) end end - elseif x~=0 then - insert_node_before(head,n,newkern(x)) + else + break end end + if h~=d then + setfield(n,"pre",h) + end end - if next(cx) then - for n,k in next,cx do - if k~=0 then - local rln=rl[n] - if rln and rln<0 then - insert_node_before(head,n,newkern(-k)) - else - insert_node_before(head,n,newkern(k)) + local d=getfield(n,"post") + if d then + local h=d + for n in traverse_id(glyph_code,d) do + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + pn=pn.postinjections end + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + h=insert_node_before(h,n,newkern(leftkern)) + end + end + else + break end end + if h~=d then + setfield(n,"post",h) + end end - if not keep then - kerns={} + local d=getfield(n,"replace") + if d then + local h=d + for n in traverse_id(glyph_code,d) do + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + pn=pn.replaceinjections + end + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + h=insert_node_before(h,n,newkern(leftkern)) + end + end + else + break + end + end + if h~=d then + setfield(n,"replace",h) + end end - return tonode(head),true - elseif not keep then - kerns,cursives,marks={},{},{} - end - elseif has_kerns then - if trace_injections then - trace(head) + p=n + else + p=nil end - for n in traverse_id(glyph_code,head) do + n=getnext(n) + 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) + end + local n=head + local p=nil + while n do + local id=getid(n) + if id==glyph_code then if getsubtype(n)<256 then - local k=getattr(n,a_kernpair) - if k then - local kk=kerns[k] - if kk then - local rl,x,y,w=kk[1],kk[2] or 0,kk[3],kk[4] - if y and y~=0 then - setfield(n,"yoffset",y) - end - if w then - local wx=w-x - if rl<0 then - if wx~=0 then - insert_node_before(head,n,newkern(wx)) - end - if x~=0 then - insert_node_after (head,n,newkern(x)) + local pn=rawget(properties,n) + if pn then + if p then + local d=getfield(p,"post") + if d then + local pn=pn.postinjections + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + local t=find_tail(d) + insert_node_after(d,t,newkern(leftkern)) end - else - if x~=0 then - insert_node_before(head,n,newkern(x)) - end - if wx~=0 then - insert_node_after(head,n,newkern(wx)) + end + end + local d=getfield(p,"replace") + if d then + local pn=pn.replaceinjections + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + local t=find_tail(d) + insert_node_after(d,t,newkern(leftkern)) end end else - if x~=0 then - insert_node_before(head,n,newkern(x)) + local pn=pn.injections + if pn then + local leftkern=pn.leftkern + if leftkern~=0 then + setfield(p,"replace",newkern(leftkern)) + end + end + end + else + local pn=pn.injections + if pn then + local yoffset=pn.yoffset + if yoffset and yoffset~=0 then + setfield(n,"yoffset",yoffset) + end + local leftkern=pn.leftkern + if leftkern~=0 then + insert_node_before(head,n,newkern(leftkern)) + end + local rightkern=pn.rightkern + if rightkern and rightkern~=0 then + insert_node_after(head,n,newkern(rightkern)) + n=getnext(n) end end end end + else + break end + p=nil + elseif id==disc_code then + local d=getfield(n,"pre") + if d then + local h=d + for n in traverse_id(glyph_code,d) do + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + pn=pn.preinjections + end + if pn then + local yoffset=pn.yoffset + if yoffset and yoffset~=0 then + setfield(n,"yoffset",yoffset) + end + local leftkern=pn.leftkern + if leftkern~=0 then + h=insert_node_before(h,n,newkern(leftkern)) + end + local rightkern=pn.rightkern + if rightkern and rightkern~=0 then + insert_node_after(head,n,newkern(rightkern)) + n=getnext(n) + end + end + else + break + end + end + if h~=d then + setfield(n,"pre",h) + end + end + local d=getfield(n,"post") + if d then + local h=d + for n in traverse_id(glyph_code,d) do + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + pn=pn.postinjections + end + if pn then + local yoffset=pn.yoffset + if yoffset and yoffset~=0 then + setfield(n,"yoffset",yoffset) + end + local leftkern=pn.leftkern + if leftkern~=0 then + h=insert_node_before(h,n,newkern(leftkern)) + end + local rightkern=pn.rightkern + if rightkern and rightkern~=0 then + insert_node_after(head,n,newkern(rightkern)) + n=getnext(n) + end + end + else + break + end + end + if h~=d then + setfield(n,"post",h) + end + end + local d=getfield(n,"replace") + if d then + local h=d + for n in traverse_id(glyph_code,d) do + if getsubtype(n)<256 then + local pn=rawget(properties,n) + if pn then + pn=pn.replaceinjections + end + if pn then + local yoffset=pn.yoffset + if yoffset and yoffset~=0 then + setfield(n,"yoffset",yoffset) + end + local leftkern=pn.leftkern + if leftkern~=0 then + h=insert_node_before(h,n,newkern(leftkern)) + end + local rightkern=pn.rightkern + if rightkern and rightkern~=0 then + insert_node_after(head,n,newkern(rightkern)) + n=getnext(n) + end + end + else + break + end + end + if h~=d then + setfield(n,"replace",h) + end + end + p=n + else + p=nil end - if not keep then - kerns={} - end - return tonode(head),true + n=getnext(n) + end + if keepregisteredcounts then + keepregisteredcounts=false else + nofregisteredpairs=0 + nofregisteredkerns=0 + end + return tonode(head),true +end +function injections.handler(head,where) + if nofregisteredmarks>0 or nofregisteredcursives>0 then + return inject_everything(head,where) + elseif nofregisteredpairs>0 then + return inject_pairs_only(head,where) + elseif nofregisteredkerns>0 then + return inject_kerns_only(head,where) + else + return head,false end - return tonode(head),false end end -- closure @@ -14565,10 +15011,24 @@ local disc_code=nodes.nodecodes.disc local ligaturing=node.ligaturing local kerning=node.kerning local basepass=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 basepass and l_warning then + l_warning() + end + return ligaturing(...) +end +function node.kerning(...) + if basepass and k_warning then + k_warning() + end + return kerning(...) +end function nodes.handlers.setbasepass(v) basepass=v end -function nodes.handlers.characters(head) +function nodes.handlers.nodepass(head) local fontdata=fonts.hashes.identifiers if fontdata then local usedfonts={} @@ -14649,15 +15109,27 @@ function nodes.handlers.characters(head) return head,false end end -function nodes.simple_font_handler(head) - head=nodes.handlers.characters(head) - nodes.injections.handler(head) +function nodes.handlers.basepass(head) if not basepass then head=ligaturing(head) head=kerning(head) end - nodes.handlers.protectglyphs(head) - return head + 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) + head=basepass(head) + protectpass(head) + return head,true + else + return head,false + end end end -- closure |