diff options
Diffstat (limited to 'tex/generic')
| -rw-r--r-- | tex/generic/context/luatex/luatex-basics-nod.lua | 3 | ||||
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-merged.lua | 364 | ||||
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-tfm.lua | 654 | ||||
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts.lua | 2 |
4 files changed, 829 insertions, 194 deletions
diff --git a/tex/generic/context/luatex/luatex-basics-nod.lua b/tex/generic/context/luatex/luatex-basics-nod.lua index 879da4bc7..9e035efa6 100644 --- a/tex/generic/context/luatex/luatex-basics-nod.lua +++ b/tex/generic/context/luatex/luatex-basics-nod.lua @@ -203,6 +203,9 @@ nuts.setsplit = direct.setsplit nuts.setsubtype = direct.setsubtype nuts.setwidth = direct.setwidth +nuts.getglyphdata = direct.getattr +nuts.setglyphdata = direct.setattr + nuts.is_char = direct.is_char nuts.is_glyph = direct.is_glyph nuts.ischar = direct.is_char diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua index 6a8a418bd..462cd6a2e 100644 --- a/tex/generic/context/luatex/luatex-fonts-merged.lua +++ b/tex/generic/context/luatex/luatex-fonts-merged.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 : 04/04/19 13:31:02 +-- merge date : 04/12/19 17:43:58 do -- begin closure to overcome local limits and interference @@ -4873,6 +4873,8 @@ nuts.setprev=direct.setprev nuts.setsplit=direct.setsplit nuts.setsubtype=direct.setsubtype nuts.setwidth=direct.setwidth +nuts.getglyphdata=direct.getattr +nuts.setglyphdata=direct.setattr nuts.is_char=direct.is_char nuts.is_glyph=direct.is_glyph nuts.ischar=direct.is_char @@ -17931,6 +17933,7 @@ function gposhandlers.pair(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofgly classdef1=readclassdef(f,tableoffset+classdef1,coverage) classdef2=readclassdef(f,tableoffset+classdef2,nofglyphs) local usedcoverage={} +local shared={} for g1,c1 in next,classdef1 do if coverage[g1] then local l1=classlist[c1] @@ -17942,7 +17945,17 @@ function gposhandlers.pair(f,fontdata,lookupid,lookupoffset,offset,glyphs,nofgly local first=offsets[1] local second=offsets[2] if first or second then - hash[paired]={ first,second or nil } +local s1=shared[first] +if not s1 then + s1={} + shared[first]=s1 +end +local s2=s1[second] +if not s2 then + s2={ first,second or nil } + s1[second]=s2 +end +hash[paired]=s2 else end end @@ -25572,8 +25585,6 @@ 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 getsubtype=nuts.getsubtype @@ -25586,6 +25597,8 @@ local setlink=nuts.setlink local getcomponents=nuts.getcomponents local setcomponents=nuts.setcomponents local getwidth=nuts.getwidth +local getattr=nuts.getattr +local getglyphdata=nuts.getglyphdata local ischar=nuts.is_char local isglyph=nuts.isglyph local usesfont=nuts.uses_font @@ -28189,7 +28202,7 @@ local function c_run_single(head,font,attr,lookupcache,step,dataset,sequence,rlm if char then local a if attr then - a=getattr(start,0) + a=getglyphdata(start) end if not a or (a==attr) then local lookupmatch=lookupcache[char] @@ -28223,7 +28236,7 @@ local function t_run_single(start,stop,font,attr,lookupcache) if char then local a if attr then - a=getattr(start,0) + a=getglyphdata(start) end local startnext=getnext(start) if not a or (a==attr) then @@ -28298,7 +28311,7 @@ end local function k_run_single(sub,injection,last,font,attr,lookupcache,step,dataset,sequence,rlmode,skiphash,handler) local a if attr then - a=getattr(sub,0) + a=getglyphdata(sub) end if not a or (a==attr) then for n in nextnode,sub do @@ -28332,7 +28345,7 @@ local function c_run_multiple(head,font,attr,steps,nofsteps,dataset,sequence,rlm if char then local a if attr then - a=getattr(start,0) + a=getglyphdata(start) end if not a or (a==attr) then for i=1,nofsteps do @@ -28373,7 +28386,7 @@ local function t_run_multiple(start,stop,font,attr,steps,nofsteps) if char then local a if attr then - a=getattr(start,0) + a=getglyphdata(start) end local startnext=getnext(start) if not a or (a==attr) then @@ -28451,7 +28464,7 @@ end local function k_run_multiple(sub,injection,last,font,attr,steps,nofsteps,dataset,sequence,rlmode,skiphash,handler) local a if attr then - a=getattr(sub,0) + a=getglyphdata(sub) end if not a or (a==attr) then for n in nextnode,sub do @@ -28602,7 +28615,7 @@ do if m then local a if attr then - a=getattr(start,0) + a=getglyphdata(start) end if not a or (a==attr) then for i=m[1],m[2] do @@ -28646,7 +28659,7 @@ do if lookupmatch then local a if attr then - if getattr(start,0)==attr and (not attribute or getprop(start,a_state)==attribute) then + if getglyphdata(start)==attr and (not attribute or getprop(start,a_state)==attribute) then a=true end elseif not attribute or getprop(start,a_state)==attribute then @@ -28702,7 +28715,7 @@ do if m then local a if attr then - if getattr(start,0)==attr and (not attribute or getprop(start,a_state)==attribute) then + if getglyphdata(start)==attr and (not attribute or getprop(start,a_state)==attribute) then a=true end elseif not attribute or getprop(start,a_state)==attribute then @@ -33517,7 +33530,7 @@ end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['font-tfm']={ +if not modules then modules={} end modules ['luatex-fonts-tfm']={ version=1.001, comment="companion to font-ini.mkiv", author="Hans Hagen, PRAGMA-ADE, Hasselt NL", @@ -33553,7 +33566,7 @@ local registertfmenhancer=tfmenhancers.register local charcommand=helpers.commands.char constructors.resolvevirtualtoo=false fonts.formats.tfm="type1" -fonts.formats.ofm="type1" +fonts.formats.ofm="type1" function tfm.setfeatures(tfmdata,features) local okay=constructors.initializefeatures("tfm",tfmdata,features,trace_features,report_tfm) if okay then @@ -33562,191 +33575,156 @@ function tfm.setfeatures(tfmdata,features) return {} end end -local depth={} -local read_from_tfm,check_tfm do - local tfmreaders=context and tfm.readers - local loadtfmvf=tfmreaders and tfmreaders.loadtfmvf - local loadtfm=font.read_tfm - local loadvf=font.read_vf - directives.register("fonts.tfm.builtin",function(v) - loadtfmvf=tfmreaders and tfmreaders.loadtfmvf - if v and loadtfm then - loadtfmvf=false - end - end) - read_from_tfm=function(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 - if loadtfmvf then - tfmdata=loadtfmvf(filename,size) - else - tfmdata=loadtfm(filename,size) +local depth={} +local loadtfm=font.read_tfm +local loadvf=font.read_vf +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=loadtfm(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 - 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=tfmdata.format or fonts.formats.tfm - properties.usedbitmap=tfmdata.usedbitmap - 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 - if size<0 then - size=idiv(65536*-size,100) - end - parameters.factor=1 - parameters.units=1000 - 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) - properties.private=properties.private or tfmdata.private or privateoffset - if newtfmdata then - elseif loadtfmvf then - local fonts=tfmdata.fonts - if fonts then - for i=1,#fonts do - local font=fonts[i] - local id=font.id - if not id then - local name=font.name - local size=font.size - if name and size then - local data,id=constructors.readanddefine(name,size) - if id then - font.id=id - font.name=nil - font.size=nil - end - end - end - end - end - 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=loadvf(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=constructors.readanddefine(n,s) - fontlist[i]={ id=id } - 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=tfmdata.format or fonts.formats.tfm + properties.usedbitmap=tfmdata.usedbitmap + 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 + if size<0 then + size=idiv(65536*-size,100) + end + parameters.factor=1 + parameters.units=1000 + 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) + properties.private=properties.private or tfmdata.private or privateoffset + 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=loadvf(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=constructors.readanddefine(n,s) + fontlist[i]={ id=id } end end end end - properties.haskerns=true - properties.hasligatures=true - properties.hasitalics=true - resources.unicodes={} - resources.lookuptags={} - depth[filename]=depth[filename]-1 - return tfmdata - else - depth[filename]=depth[filename]-1 end + properties.haskerns=true + properties.hasligatures=true + properties.hasitalics=true + resources.unicodes={} + resources.lookuptags={} + depth[filename]=depth[filename]-1 + return tfmdata + else + depth[filename]=depth[filename]-1 end - check_tfm=function(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 +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 diff --git a/tex/generic/context/luatex/luatex-fonts-tfm.lua b/tex/generic/context/luatex/luatex-fonts-tfm.lua new file mode 100644 index 000000000..0b6e09a8f --- /dev/null +++ b/tex/generic/context/luatex/luatex-fonts-tfm.lua @@ -0,0 +1,654 @@ +if not modules then modules = { } end modules ['luatex-fonts-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" +} + +-- This is the generic tfm/vf loader. There are no fundamental differences with +-- the one used in ConTeXt but we save some byte(codes) this way. + +local next, type = next, type +local match, format = string.match, string.format +local concat, sortedhash = table.concat, table.sortedhash +local idiv = number.idiv + +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 helpers = fonts.helpers +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 + +local charcommand = helpers.commands.char + +constructors.resolvevirtualtoo = false -- wil be set in font-ctx.lua + +fonts.formats.tfm = "type1" -- we need to have at least a value here +fonts.formats.ofm = "type1" -- we need to have at least a value here + +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 { } -- will become false + end +end + +local depth = { } -- table.setmetatableindex("number") + +local loadtfm = font.read_tfm +local loadvf = font.read_vf + +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 = loadtfm(filename,size) + if tfmdata then + + local features = specification.features and specification.features.normal or { } + local features = constructors.checkedfeatures("tfm",features) + specification.features.normal = features + + -- If reencode returns a new table, we assume that we're doing something + -- special. An 'auto' reencode picks up its vector from the pfb file. + + 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 -- todo: fallback + properties.fontname = tfmdata.fontname -- todo: fallback + properties.psname = tfmdata.psname -- todo: fallback + properties.fullname = tfmdata.fullname -- todo: fallback + properties.filename = specification.filename -- todo: fallback + properties.format = tfmdata.format or fonts.formats.tfm -- better than nothing + properties.usedbitmap = tfmdata.usedbitmap + -- + tfmdata.properties = properties + tfmdata.resources = resources + tfmdata.parameters = parameters + tfmdata.shared = shared + -- + shared.rawdata = { resources = resources } + shared.features = features + -- + -- The next branch is only entered when we have a proper encoded file i.e. + -- unicodes and such. It really nakes no sense to do feature juggling when + -- we have no names and unicodes. + -- + if newtfmdata then + -- + -- Some opentype processing assumes these to be present: + -- + 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 + -- + -- It might be handy to have this: + -- + otf.readers.addunicodetable(tfmdata) + -- + -- We make a pseudo opentype font, e.g. kerns and ligatures etc: + -- + tfmenhancers.apply(tfmdata,filename) + -- + -- Now user stuff can kick in. + -- + constructors.applymanipulators("tfm",tfmdata,features,trace_features,report_tfm) + -- + -- As that can also mess with names and such, we are now ready for finalizing + -- the unicode information. This is a different order that for instance type one + -- (afm) files. First we try to deduce unicodes from already present information. + -- + otf.readers.unifymissing(tfmdata) + -- + -- Next we fill in the gaps, based on names from teh agl. Probably not much will + -- happen here. + -- + fonts.mappings.addtounicode(tfmdata,filename) + -- + -- The tounicode data is passed to the backend that constructs the vectors for us. + -- + 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 + -- + -- However, when we use a bitmap font those vectors can't be constructed because + -- that information is not carried with those fonts (there is no name info, nor + -- proper index info, nor unicodes at that end). So, we provide it ourselves. + -- + if tfmdata.usedbitmap then + tfm.addtounicode(tfmdata) + end + end + -- + shared.processes = next(features) and tfm.setfeatures(tfmdata,features) or nil + -- + if size < 0 then + size = idiv(65536 * -size,100) + end + parameters.factor = 1 -- already scaled + parameters.units = 1000 -- just in case + 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) -- official copies for us + -- + properties.private = properties.private or tfmdata.private or privateoffset + -- + if newtfmdata then + -- + -- We do nothing as we assume flat tfm files. It would become real messy + -- otherwise and I don't have something for testing on my system anyway. + -- + elseif constructors.resolvevirtualtoo then + fonts.loggers.register(tfmdata,file.suffix(filename),specification) -- strange, why here + local vfname = findbinfile(specification.name, 'ovf') + if vfname and vfname ~= "" then + local vfdata = loadvf(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" -- else nested calls with cummulative scaling + 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 = constructors.readanddefine(n,s) + fontlist[i] = { id = id } + end + end + end + end + end + -- + properties.haskerns = true + properties.hasligatures = true + properties.hasitalics = 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) -- we could split up like afm/otf + local foundname = findbinfile(fullname, 'tfm') or "" + if foundname == "" then + foundname = findbinfile(fullname, 'ofm') or "" -- not needed in context + 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 + +-- The reencoding acts upon the 'reencode' feature which can have values 'auto' or +-- an enc file. You can also specify a 'pfbfile' feature (but it defaults to the +-- tfm filename) and a 'bitmap' feature. When no enc file is givven (auto) we will +-- get the vectors from the pfb file. + +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 -- or features.enc + local pfbfile = features.pfbfile -- or features.pfb + local bitmap = features.bitmap -- or features.pk + + 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") + -- pdf.mapline(tfmfile .. "<" .. pfbfile) + report_tfm("using type1 shapes from %a for %a",pfbfile,tfmfile) + else + report_tfm("using bitmap shapes for %a",tfmfile) + pfbfile = false -- use bitmap + end + outfiles[tfmfile] = pfbfile + end + + local encoding = false + local vector = false + + if type(pfbfile) == "string" then + local pfb = 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) -- good enough for small fonts + local characters = { } + local originals = tfmdata.characters + local indices = { } + local parentfont = { "font", 1 } + local private = tfmdata.privateoffset or constructors.privateoffset + local reported = encdone[tfmfile][encfile] + + -- create characters table + + local backmap = vector and table.swapped(vector) + local done = { } -- prevent duplicate + + for index, name in sortedhash(encoding) do -- predictable order + 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 -- so one can lookup weird names + if backmap then + original.index = backmap[name] + else -- probably bitmap + original.commands = { parentfont, charcommand[index] } -- or "slot" + 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 + + -- redo kerns and ligatures + + 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 + + -- wrap up + + 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 = bitmap and "type3" or "type1" + tfmdata.format = "type1" + tfmdata.tounicode = 1 + tfmdata.embedding = "subset" + tfmdata.usedbitmap = bitmap and virtualid + tfmdata.private = private + + return tfmdata + end + +end + +-- This code adds a ToUnicode vector for bitmap fonts. We don't bother about +-- ranges because we have small fonts. it works ok with acrobat but fails with +-- the other viewers (they get confused by the bitmaps I guess). + +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 -- context + local setfontattributes = lpdf and lpdf.setfontattributes -- context + + if not flushstreamobject then + flushstreamobject = function(data) + return pdf.obj { immediate = true, type = "stream", string = data } -- generic + end + end + + if not setfontattributes then + setfontattributes = function(id,data) + return pdf.setfontattributes(id,data) -- generic + end + end + + function tfm.addtounicode(tfmdata) + local id = tfmdata.usedbitmap + local map = { } + local char = { } -- no need for range, hardly used + 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 + +-- Now we implement the regular features handlers. We need to convert the +-- tfm specific structures to opentype structures. In basemode they are +-- converted back so that is a bit of a waste but it's fast enough. + +do + + local everywhere = { ["*"] = { ["*"] = true } } -- or: { ["*"] = { "*" } } + 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 -- { v, 0 } + 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 -- table.copy(vv) + end + end + end + end + + local features = { + gpos = { }, + gsub = { }, + } + local sequences = { + -- only filled ones + } + 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 + +-- As with type one (afm) loading, we just use the opentype ones: + +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, + } +} diff --git a/tex/generic/context/luatex/luatex-fonts.lua b/tex/generic/context/luatex/luatex-fonts.lua index 06fb682f3..85fe1ae97 100644 --- a/tex/generic/context/luatex/luatex-fonts.lua +++ b/tex/generic/context/luatex/luatex-fonts.lua @@ -283,7 +283,7 @@ if non_generic_context.luatex_fonts.skip_loading ~= true then -- And for traditional TeX fonts. - loadmodule('font-tfm.lua') + loadmodule('luatex-fonts-tfm.lua') -- Some common code. |