diff options
| -rw-r--r-- | src/fontloader/misc/fontloader-font-one.lua | 414 | ||||
| -rw-r--r-- | src/fontloader/misc/fontloader-font-otr.lua | 1 | ||||
| -rw-r--r-- | src/fontloader/misc/fontloader-fonts.lua | 1 | ||||
| -rw-r--r-- | src/fontloader/runtime/fontloader-reference.lua | 383 |
4 files changed, 230 insertions, 569 deletions
diff --git a/src/fontloader/misc/fontloader-font-one.lua b/src/fontloader/misc/fontloader-font-one.lua index b2446db..77f2560 100644 --- a/src/fontloader/misc/fontloader-font-one.lua +++ b/src/fontloader/misc/fontloader-font-one.lua @@ -55,7 +55,7 @@ local otfenhancers = otf.enhancers local afmfeatures = constructors.newfeatures("afm") local registerafmfeature = afmfeatures.register -afm.version = 1.507 -- incrementing this number one up will force a re-cache +afm.version = 1.512 -- incrementing this number one up will force a re-cache afm.cache = containers.define("fonts", "afm", afm.version, true) afm.autoprefixed = true -- this will become false some day (catches texnansi-blabla.*) @@ -67,380 +67,6 @@ local overloads = fonts.mappings.overloads local applyruntimefixes = fonts.treatments and fonts.treatments.applyfixes --[[ldx-- -<p>We start with the basic reader which we give a name similar to the built in <l n='tfm'/> -and <l n='otf'/> reader.</p> ---ldx]]-- - --- Comment FONTIDENTIFIER LMMATHSYMBOLS10 --- Comment CODINGSCHEME TEX MATH SYMBOLS --- Comment DESIGNSIZE 10.0 pt --- Comment CHECKSUM O 4261307036 --- Comment SPACE 0 plus 0 minus 0 --- Comment QUAD 1000 --- Comment EXTRASPACE 0 --- Comment NUM 676.508 393.732 443.731 --- Comment DENOM 685.951 344.841 --- Comment SUP 412.892 362.892 288.889 --- Comment SUB 150 247.217 --- Comment SUPDROP 386.108 --- Comment SUBDROP 50 --- Comment DELIM 2390 1010 --- Comment AXISHEIGHT 250 - ---[[ldx-- -<p>We now use a new (unfinished) pfb loader but I see no differences between the old -and new vectors (we actually had one bad vector with the old loader).</p> ---ldx]]-- - -local get_indexes - -do - - local n, m - - local progress = function(str,position,name,size) - local forward = position + tonumber(size) + 3 + 2 - n = n + 1 - if n >= m then - return #str, name - elseif forward < #str then - return forward, name - else - return #str, name - end - end - - local initialize = function(str,position,size) - n = 0 - m = tonumber(size) - return position + 1 - end - - local charstrings = P("/CharStrings") - local name = P("/") * C((R("az")+R("AZ")+R("09")+S("-_."))^1) - local size = C(R("09")^1) - local spaces = P(" ")^1 - - local p_filternames = Ct ( - (1-charstrings)^0 * charstrings * spaces * Cmt(size,initialize) - * (Cmt(name * P(" ")^1 * C(R("09")^1), progress) + P(1))^1 - ) - - -- if one of first 4 not 0-9A-F then binary else hex - - local decrypt - - do - - local r, c1, c2, n = 0, 0, 0, 0 - - local function step(c) - local cipher = byte(c) - local plain = bxor(cipher,rshift(r,8)) - r = ((cipher + r) * c1 + c2) % 65536 - return char(plain) - end - - decrypt = function(binary) - r, c1, c2, n = 55665, 52845, 22719, 4 - binary = gsub(binary,".",step) - return sub(binary,n+1) - end - - -- local pattern = Cs((P(1) / step)^1) - -- - -- decrypt = function(binary) - -- r, c1, c2, n = 55665, 52845, 22719, 4 - -- binary = lpegmatch(pattern,binary) - -- return sub(binary,n+1) - -- end - - end - - local function loadpfbvector(filename) - -- for the moment limited to encoding only - - local data = io.loaddata(resolvers.findfile(filename)) - - if not find(data,"!PS%-AdobeFont%-") then - print("no font",filename) - return - end - - if not data then - print("no data",filename) - return - end - - local ascii, binary = match(data,"(.*)eexec%s+......(.*)") - - if not binary then - print("no binary",filename) - return - end - - binary = decrypt(binary,4) - - local vector = lpegmatch(p_filternames,binary) - - vector[0] = table.remove(vector,1) - - if not vector then - print("no vector",filename) - return - end - - return vector - - end - - get_indexes = function(data,pfbname) - local vector = loadpfbvector(pfbname) - if vector then - local characters = data.characters - if trace_loading then - report_afm("getting index data from %a",pfbname) - end - for index=1,#vector do - local name = vector[index] - local char = characters[name] - if char then - if trace_indexing then - report_afm("glyph %a has index %a",name,index) - end - char.index = index - end - end - end - end - -end - ---[[ldx-- -<p>We start with the basic reader which we give a name similar to the built in <l n='tfm'/> -and <l n='otf'/> reader.</p> ---ldx]]-- - --- Comment FONTIDENTIFIER LMMATHSYMBOLS10 --- Comment CODINGSCHEME TEX MATH SYMBOLS --- Comment DESIGNSIZE 10.0 pt --- Comment CHECKSUM O 4261307036 --- Comment SPACE 0 plus 0 minus 0 --- Comment QUAD 1000 --- Comment EXTRASPACE 0 --- Comment NUM 676.508 393.732 443.731 --- Comment DENOM 685.951 344.841 --- Comment SUP 412.892 362.892 288.889 --- Comment SUB 150 247.217 --- Comment SUPDROP 386.108 --- Comment SUBDROP 50 --- Comment DELIM 2390 1010 --- Comment AXISHEIGHT 250 --- Comment DesignSize 12 (pts) --- Comment TFM designsize: 12 (in points) - -local parser do -- no need for a further speedup with locals - - local spacing = patterns.spacer - local lineend = patterns.newline - local number = spacing * (R("09") + S("."))^1 / tonumber - local name = spacing * C((1-spacing)^1) - local words = spacing * (1 - lineend)^1 / strip - local rest = (1 - lineend)^0 - local fontdata = Carg(1) - local semicolon = spacing * P(";") - local plus = P("plus") * number - local minus = P("minus") * number - - -- kern pairs - - local function addkernpair(data,one,two,value) - local chr = data.characters[one] - if chr then - local kerns = chr.kerns - if kerns then - kerns[two] = tonumber(value) - else - chr.kerns = { [two] = tonumber(value) } - end - end - end - - local p_kernpair = (fontdata * P("KPX") * name * name * number) / addkernpair - - -- char metrics - - local chr = false - local ind = 0 - - local function start() - ind = 0 - chr = { } - end - - local function stop() - ind = 0 - chr = false - end - - local function setindex(i) - if i < 0 then - ind = ind + 1 -- ? - else - ind = i - end - chr = { - index = ind - } - end - - local function setwidth(width) - chr.width = width - end - - local function setname(data,name) - data.characters[name] = chr - end - - local function setboundingbox(boundingbox) - chr.boundingbox = boundingbox - end - - local function setligature(plus,becomes) - local ligatures = chr.ligatures - if ligatures then - ligatures[plus] = becomes - else - chr.ligatures = { [plus] = becomes } - end - end - - local p_charmetric = ( ( - P("C") * number / setindex - + P("WX") * number / setwidth - + P("N") * fontdata * name / setname - + P("B") * Ct((number)^4) / setboundingbox - + P("L") * (name)^2 / setligature - ) * semicolon )^1 - - local p_charmetrics = P("StartCharMetrics") * number * (p_charmetric + (1-P("EndCharMetrics")))^0 * P("EndCharMetrics") - local p_kernpairs = P("StartKernPairs") * number * (p_kernpair + (1-P("EndKernPairs")) )^0 * P("EndKernPairs") - - local function set_1(data,key,a) data.metadata[lower(key)] = a end - local function set_2(data,key,a,b) data.metadata[lower(key)] = { a, b } end - local function set_3(data,key,a,b,c) data.metadata[lower(key)] = { a, b, c } end - - local p_parameters = P(false) - + P("FontName") * fontdata * words / function(data,line) - data.metadata.fontname = line - data.metadata.fullname = line - end - + P("ItalicAngle") * fontdata * number / function(data,angle) - data.metadata.italicangle = angle - end - + P("IsFixedPitch") * fontdata * name / function(data,pitch) - data.metadata.monospaced = toboolean(pitch,true) - end - + P("CharWidth") * fontdata * number / function(data,width) - data.metadata.charwidth = width - end - + P("XHeight") * fontdata * number / function(data,xheight) - data.metadata.xheight = xheight - end - + P("Descender") * fontdata * number / function(data,descender) - data.metadata.descender = descender - end - + P("Ascender") * fontdata * number / function(data,ascender) - data.metadata.ascender = ascender - end - + P("Comment") * spacing * ( P(false) - + (fontdata * C("DESIGNSIZE") * number * rest) / set_1 -- 1 - + (fontdata * C("TFM designsize") * number * rest) / set_1 - + (fontdata * C("DesignSize") * number * rest) / set_1 - + (fontdata * C("CODINGSCHEME") * words * rest) / set_1 -- - + (fontdata * C("CHECKSUM") * number * words * rest) / set_1 -- 2 - + (fontdata * C("SPACE") * number * plus * minus * rest) / set_3 -- 3 4 5 - + (fontdata * C("QUAD") * number * rest) / set_1 -- 6 - + (fontdata * C("EXTRASPACE") * number * rest) / set_1 -- 7 - + (fontdata * C("NUM") * number * number * number * rest) / set_3 -- 8 9 10 - + (fontdata * C("DENOM") * number * number * rest) / set_2 -- 11 12 - + (fontdata * C("SUP") * number * number * number * rest) / set_3 -- 13 14 15 - + (fontdata * C("SUB") * number * number * rest) / set_2 -- 16 17 - + (fontdata * C("SUPDROP") * number * rest) / set_1 -- 18 - + (fontdata * C("SUBDROP") * number * rest) / set_1 -- 19 - + (fontdata * C("DELIM") * number * number * rest) / set_2 -- 20 21 - + (fontdata * C("AXISHEIGHT") * number * rest) / set_1 -- 22 - ) - - parser = (P("StartFontMetrics") / start) - * ( - p_charmetrics - + p_kernpairs - + p_parameters - + (1-P("EndFontMetrics")) - )^0 - * (P("EndFontMetrics") / stop) - -end - - -local data = { - resources = { - filename = resolvers.unresolve(filename), --- version = afm.version, - creator = "context mkiv", - }, - properties = { - hasitalics = false, - }, - goodies = { - }, - metadata = { - filename = file.removesuffix(file.basename(filename)) - }, - characters = { - -- a temporary store - }, - descriptions = { - -- the final store - }, -} - -local function readafm(filename) - local ok, afmblob, size = resolvers.loadbinfile(filename) -- has logging - if ok and afmblob then - local data = { - resources = { - filename = resolvers.unresolve(filename), - version = afm.version, - creator = "context mkiv", - }, - properties = { - hasitalics = false, - }, - goodies = { - }, - metadata = { - filename = file.removesuffix(file.basename(filename)) - }, - characters = { - -- a temporary store - }, - descriptions = { - -- the final store - }, - } - lpegmatch(parser,afmblob,1,data) - return data - else - if trace_loading then - report_afm("no valid afm file %a",filename) - end - return nil - end -end - ---[[ldx-- <p>We cache files. Caching is taken care of in the loader. We cheat a bit by adding ligatures and kern information to the afm derived data. That way we can set them faster when defining a font.</p> @@ -500,16 +126,8 @@ function afm.load(filename) end if not data or data.size ~= size or data.time ~= time or data.pfbsize ~= pfbsize or data.pfbtime ~= pfbtime then report_afm("reading %a",filename) - data = readafm(filename) + data = afm.readers.loadfont(filename,pfbname) if data then - if pfbname ~= "" then - data.resources.filename = resolvers.unresolve(pfbname) - get_indexes(data,pfbname) - elseif trace_loading then - report_afm("no pfb file for %a",filename) - -- data.resources.filename = "unset" -- better than loading the afm file - end - -- we now have all the data loaded applyenhancers(data,filename) -- otfreaders.addunicodetable(data) -- only when not done yet fonts.mappings.addtounicode(data,filename) @@ -961,29 +579,29 @@ local function copytotfm(data) end -- if metadata.sup then - local dummy = { 0, 0, 0} - parameters[ 1] = metadata.designsize or 0 - parameters[ 2] = metadata.checksum or 0 + local dummy = { 0, 0, 0 } + parameters[ 1] = metadata.designsize or 0 + parameters[ 2] = metadata.checksum or 0 parameters[ 3], parameters[ 4], - parameters[ 5] = unpack(metadata.space or dummy) - parameters[ 6] = metadata.quad or 0 - parameters[ 7] = metadata.extraspace or 0 + parameters[ 5] = unpack(metadata.space or dummy) + parameters[ 6] = metadata.quad or 0 + parameters[ 7] = metadata.extraspace or 0 parameters[ 8], parameters[ 9], - parameters[10] = unpack(metadata.num or dummy) + parameters[10] = unpack(metadata.num or dummy) parameters[11], - parameters[12] = unpack(metadata.denom or dummy) + parameters[12] = unpack(metadata.denom or dummy) parameters[13], parameters[14], - parameters[15] = unpack(metadata.sup or dummy) + parameters[15] = unpack(metadata.sup or dummy) parameters[16], - parameters[17] = unpack(metadata.sub or dummy) - parameters[18] = metadata.supdrop or 0 - parameters[19] = metadata.subdrop or 0 + parameters[17] = unpack(metadata.sub or dummy) + parameters[18] = metadata.supdrop or 0 + parameters[19] = metadata.subdrop or 0 parameters[20], - parameters[21] = unpack(metadata.delim or dummy) - parameters[22] = metadata.axisheight + parameters[21] = unpack(metadata.delim or dummy) + parameters[22] = metadata.axisheight or 0 end -- parameters.designsize = (metadata.designsize or 10)*65536 diff --git a/src/fontloader/misc/fontloader-font-otr.lua b/src/fontloader/misc/fontloader-font-otr.lua index 24f6854..c967e24 100644 --- a/src/fontloader/misc/fontloader-font-otr.lua +++ b/src/fontloader/misc/fontloader-font-otr.lua @@ -1874,6 +1874,7 @@ local function getinfo(maindata,sub,platformnames,rawfamilynames) -- format = fontdata.format, fontname = fontname, fullname = fullname, + -- cfffullname = cff.fullname, family = family, subfamily = subfamily, familyname = familyname, diff --git a/src/fontloader/misc/fontloader-fonts.lua b/src/fontloader/misc/fontloader-fonts.lua index 1d2f203..c493844 100644 --- a/src/fontloader/misc/fontloader-fonts.lua +++ b/src/fontloader/misc/fontloader-fonts.lua @@ -260,6 +260,7 @@ if non_generic_context.luatex_fonts.skip_loading ~= true then -- type one code + loadmodule('font-onr.lua') -- was font-afm.lua loadmodule('font-one.lua') -- was font-afm.lua loadmodule('font-afk.lua') diff --git a/src/fontloader/runtime/fontloader-reference.lua b/src/fontloader/runtime/fontloader-reference.lua index b848937..f10f139 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 : 05/10/16 23:43:55 +-- merge date : 05/17/16 10:06:55 do -- begin closure to overcome local limits and interference @@ -22254,149 +22254,32 @@ end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['font-one']={ +if not modules then modules={} end modules ['font-onr']={ 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" } -local fonts,logs,trackers,containers,resolvers=fonts,logs,trackers,containers,resolvers +local fonts,logs,trackers,resolvers=fonts,logs,trackers,resolvers local next,type,tonumber,rawget=next,type,tonumber,rawget -local match,gmatch,lower,gsub,strip,find=string.match,string.gmatch,string.lower,string.gsub,string.strip,string.find +local match,lower,gsub,strip,find=string.match,string.lower,string.gsub,string.strip,string.find local char,byte,sub=string.char,string.byte,string.sub local abs=math.abs local bxor,rshift=bit32.bxor,bit32.rshift local P,S,R,Cmt,C,Ct,Cs,Carg=lpeg.P,lpeg.S,lpeg.R,lpeg.Cmt,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.Carg local lpegmatch,patterns=lpeg.match,lpeg.patterns -local trace_features=false trackers.register("afm.features",function(v) trace_features=v end) local trace_indexing=false trackers.register("afm.indexing",function(v) trace_indexing=v end) local trace_loading=false trackers.register("afm.loading",function(v) trace_loading=v end) -local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end) local report_afm=logs.reporter("fonts","afm loading") -local setmetatableindex=table.setmetatableindex -local derivetable=table.derive -local findbinfile=resolvers.findbinfile -local definers=fonts.definers -local readers=fonts.readers -local constructors=fonts.constructors -local afm=constructors.newhandler("afm") -local pfb=constructors.newhandler("pfb") -local otf=fonts.handlers.otf -local otfreaders=otf.readers -local otfenhancers=otf.enhancers -local afmfeatures=constructors.newfeatures("afm") -local registerafmfeature=afmfeatures.register -afm.version=1.507 -afm.cache=containers.define("fonts","afm",afm.version,true) -afm.autoprefixed=true -afm.helpdata={} -afm.syncspace=true -local overloads=fonts.mappings.overloads -local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes -local comment=P("Comment") -local spacing=patterns.spacer -local lineend=patterns.newline -local words=spacing*C((1-lineend)^1) -local number=spacing*C((R("09")+S("."))^1)/tonumber*spacing^0 -local data=Carg(1) -local plus=P("plus")*number -local minus=P("minus")*number -local pattern=( - comment*spacing*( - data*( - ("CODINGSCHEME"*words )/function(t,a) end+("DESIGNSIZE"*number*words )/function(t,a) t[ 1]=a end+("CHECKSUM"*number*words )/function(t,a) t[ 2]=a end+("SPACE"*number*plus*minus )/function(t,a,b,c) t[ 3],t[ 4],t[ 5]=a,b,c end+("QUAD"*number )/function(t,a) t[ 6]=a end+("EXTRASPACE"*number )/function(t,a) t[ 7]=a end+("NUM"*number*number*number )/function(t,a,b,c) t[ 8],t[ 9],t[10]=a,b,c end+("DENOM"*number*number )/function(t,a,b) t[11],t[12]=a,b end+("SUP"*number*number*number )/function(t,a,b,c) t[13],t[14],t[15]=a,b,c end+("SUB"*number*number )/function(t,a,b) t[16],t[17]=a,b end+("SUPDROP"*number )/function(t,a) t[18]=a end+("SUBDROP"*number )/function(t,a) t[19]=a end+("DELIM"*number*number )/function(t,a,b) t[20],t[21]=a,b end+("AXISHEIGHT"*number )/function(t,a) t[22]=a end - )+(1-lineend)^0 - )+(1-comment)^1 -)^0 -local function scan_comment(str) - local fd={} - lpegmatch(pattern,str,1,fd) - return fd -end -local keys={ - FontName=function(data,line) - data.metadata.fontname=strip(line) - data.metadata.fullname=strip(line) - end, - ItalicAngle=function(data,line) - data.metadata.italicangle=tonumber(line) - end, - IsFixedPitch=function(data,line) - data.metadata.monospaced=toboolean(line,true) - end, - CharWidth=function(data,line) - data.metadata.charwidth=tonumber(line) - end, - XHeight=function(data,line) - data.metadata.xheight=tonumber(line) - end, - Descender=function(data,line) - data.metadata.descender=tonumber (line) - end, - Ascender=function(data,line) - data.metadata.ascender=tonumber (line) - end, - Comment=function(data,line) - line=lower(line) - local designsize=match(line,"designsize[^%d]*(%d+)") - if designsize then data.metadata.designsize=tonumber(designsize) end - end, -} -local function get_charmetrics(data,charmetrics,vector) - local characters=data.characters - local chr,ind={},0 - for k,v in gmatch(charmetrics,"([%a]+) +(.-) *;") do - if k=='C' then - v=tonumber(v) - if v<0 then - ind=ind+1 - else - ind=v - end - chr={ - index=ind - } - elseif k=='WX' then - chr.width=tonumber(v) - elseif k=='N' then - characters[v]=chr - elseif k=='B' then - local llx,lly,urx,ury=match(v,"^ *(.-) +(.-) +(.-) +(.-)$") - chr.boundingbox={ tonumber(llx),tonumber(lly),tonumber(urx),tonumber(ury) } - elseif k=='L' then - local plus,becomes=match(v,"^(.-) +(.-)$") - local ligatures=chr.ligatures - if ligatures then - ligatures[plus]=becomes - else - chr.ligatures={ [plus]=becomes } - end - end - end -end -local function get_kernpairs(data,kernpairs) - local characters=data.characters - for one,two,value in gmatch(kernpairs,"KPX +(.-) +(.-) +(.-)\n") do - local chr=characters[one] - if chr then - local kerns=chr.kerns - if kerns then - kerns[two]=tonumber(value) - else - chr.kerns={ [two]=tonumber(value) } - end - end - end -end -local function get_variables(data,fontmetrics) - for key,rest in gmatch(fontmetrics,"(%a+) *(.-)[\n\r]") do - local keyhandler=keys[key] - if keyhandler then - keyhandler(data,rest) - end - end -end +fonts=fonts or {} +local handlers=fonts.handlers or {} +fonts.handlers=handlers +local afm=handlers.afm or {} +handlers.afm=afm +local readers=afm.readers or {} +afm.readers=readers +afm.version=1.512 local get_indexes do local n,m @@ -22440,14 +22323,14 @@ do end local function loadpfbvector(filename) local data=io.loaddata(resolvers.findfile(filename)) - if not find(data,"!PS%-AdobeFont%-") then - print("no font",filename) - return - end if not data then print("no data",filename) return end + if not find(data,"!PS%-AdobeFont%-") then + print("no font",filename) + return + end local ascii,binary=match(data,"(.*)eexec%s+......(.*)") if not binary then print("no binary",filename) @@ -22455,7 +22338,9 @@ do end binary=decrypt(binary,4) local vector=lpegmatch(p_filternames,binary) - vector[0]=table.remove(vector,1) + if vector[1]==".notdef" then + vector[0]=table.remove(vector,1) + end if not vector then print("no vector",filename) return @@ -22482,9 +22367,104 @@ do end end end -local function readafm(filename) - local ok,afmblob,size=resolvers.loadbinfile(filename) - if ok and afmblob then +local spacing=patterns.whitespace +local lineend=patterns.newline +local number=spacing*S("+-")^-1*(R("09")+S("."))^1/tonumber +local name=spacing*C((1-spacing)^1) +local words=spacing*(1-lineend)^1/strip +local rest=(1-lineend)^0 +local fontdata=Carg(1) +local semicolon=spacing*P(";") +local plus=P("plus")*number +local minus=P("minus")*number +local function addkernpair(data,one,two,value) + local chr=data.characters[one] + if chr then + local kerns=chr.kerns + if kerns then + kerns[two]=tonumber(value) + else + chr.kerns={ [two]=tonumber(value) } + end + end +end +local p_kernpair=(fontdata*P("KPX")*name*name*number)/addkernpair +local chr=false +local ind=0 +local function start(data,version) + data.metadata.afmversion=version + ind=0 + chr={} +end +local function stop() + ind=0 + chr=false +end +local function setindex(i) + if i<0 then + ind=ind+1 + else + ind=i + end + chr={ + index=ind + } +end +local function setwidth(width) + chr.width=width +end +local function setname(data,name) + data.characters[name]=chr +end +local function setboundingbox(boundingbox) + chr.boundingbox=boundingbox +end +local function setligature(plus,becomes) + local ligatures=chr.ligatures + if ligatures then + ligatures[plus]=becomes + else + chr.ligatures={ [plus]=becomes } + end +end +local p_charmetric=(( + P("C")*number/setindex+P("WX")*number/setwidth+P("N")*fontdata*name/setname+P("B")*Ct((number)^4)/setboundingbox+P("L")*(name)^2/setligature + )*semicolon )^1 +local p_charmetrics=P("StartCharMetrics")*number*(p_charmetric+(1-P("EndCharMetrics")))^0*P("EndCharMetrics") +local p_kernpairs=P("StartKernPairs")*number*(p_kernpair+(1-P("EndKernPairs" )))^0*P("EndKernPairs" ) +local function set_1(data,key,a) data.metadata[lower(key)]=a end +local function set_2(data,key,a,b) data.metadata[lower(key)]={ a,b } end +local function set_3(data,key,a,b,c) data.metadata[lower(key)]={ a,b,c } end +local p_parameters=P(false)+fontdata*((P("FontName")+P("FullName")+P("FamilyName"))/lower)*words/function(data,key,value) + data.metadata[key]=value + end+fontdata*((P("Weight")+P("Version"))/lower)*name/function(data,key,value) + data.metadata[key]=value + end+fontdata*P("IsFixedPitch")*name/function(data,pitch) + data.metadata.monospaced=toboolean(pitch,true) + end+fontdata*P("FontBBox")*Ct(number^4)/function(data,boundingbox) + data.metadata.boundingbox=boundingbox + end+fontdata*((P("CharWidth")+P("CapHeight")+P("XHeight")+P("Descender")+P("Ascender")+P("ItalicAngle"))/lower)*number/function(data,key,value) + data.metadata[key]=value + end+P("Comment")*spacing*(P(false)+(fontdata*C("DESIGNSIZE")*number*rest)/set_1 ++(fontdata*C("TFM designsize")*number*rest)/set_1+(fontdata*C("DesignSize")*number*rest)/set_1+(fontdata*C("CODINGSCHEME")*words*rest)/set_1 ++(fontdata*C("CHECKSUM")*number*words*rest)/set_1 ++(fontdata*C("SPACE")*number*plus*minus*rest)/set_3 ++(fontdata*C("QUAD")*number*rest)/set_1 ++(fontdata*C("EXTRASPACE")*number*rest)/set_1 ++(fontdata*C("NUM")*number*number*number*rest)/set_3 ++(fontdata*C("DENOM")*number*number*rest)/set_2 ++(fontdata*C("SUP")*number*number*number*rest)/set_3 ++(fontdata*C("SUB")*number*number*rest)/set_2 ++(fontdata*C("SUPDROP")*number*rest)/set_1 ++(fontdata*C("SUBDROP")*number*rest)/set_1 ++(fontdata*C("DELIM")*number*number*rest)/set_2 ++(fontdata*C("AXISHEIGHT")*number*rest)/set_1 + ) +local fullparser=(P("StartFontMetrics")*fontdata*name/start )*(p_charmetrics+p_kernpairs+p_parameters+(1-P("EndFontMetrics")) )^0*(P("EndFontMetrics")/stop ) +local infoparser=(P("StartFontMetrics")*fontdata*name/start )*(p_parameters+(1-P("EndFontMetrics")) )^0*(P("EndFontMetrics")/stop ) +local function read(filename,parser) + local afmblob=io.loaddata(filename) + if afmblob then local data={ resources={ filename=resolvers.unresolve(filename), @@ -22503,29 +22483,10 @@ local function readafm(filename) descriptions={ }, } - for charmetrics in gmatch(afmblob,"StartCharMetrics(.-)EndCharMetrics") do - if trace_loading then - report_afm("loading char metrics") - end - get_charmetrics(data,charmetrics,vector) - break - end - for kernpairs in gmatch(afmblob,"StartKernPairs(.-)EndKernPairs") do - if trace_loading then - report_afm("loading kern pairs") - end - get_kernpairs(data,kernpairs) - break - end - for version,fontmetrics in gmatch(afmblob,"StartFontMetrics%s+([%d%.]+)(.-)EndFontMetrics") do - if trace_loading then - report_afm("loading variables") - end - data.afmversion=version - get_variables(data,fontmetrics) - data.fontdimens=scan_comment(fontmetrics) - break + if trace_loading then + report_afm("parsing afm file %a",filename) end + lpegmatch(parser,afmblob,1,data) return data else if trace_loading then @@ -22534,6 +22495,73 @@ local function readafm(filename) return nil end end +function readers.loadfont(afmname,pfbname) + local data=read(resolvers.findfile(afmname),fullparser) + if data then + if not pfbname or pfbname=="" then + pfbname=file.replacesuffix(file.nameonly(afmname),"pfb") + pfbname=resolvers.findfile(pfbname) + end + if pfbname and pfbname~="" then + data.resources.filename=resolvers.unresolve(pfbname) + get_indexes(data,pfbname) + elseif trace_loading then + report_afm("no pfb file for %a",afmname) + end + return data + end +end +function readers.getinfo(filename) + local data=read(resolvers.findfile(filename),infoparser) + if data then + return data.metadata + end +end + +end -- closure + +do -- begin closure to overcome local limits and interference + +if not modules then modules={} end modules ['font-one']={ + 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" +} +local fonts,logs,trackers,containers,resolvers=fonts,logs,trackers,containers,resolvers +local next,type,tonumber,rawget=next,type,tonumber,rawget +local match,gmatch,lower,gsub,strip,find=string.match,string.gmatch,string.lower,string.gsub,string.strip,string.find +local char,byte,sub=string.char,string.byte,string.sub +local abs=math.abs +local bxor,rshift=bit32.bxor,bit32.rshift +local P,S,R,Cmt,C,Ct,Cs,Carg=lpeg.P,lpeg.S,lpeg.R,lpeg.Cmt,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.Carg +local lpegmatch,patterns=lpeg.match,lpeg.patterns +local trace_features=false trackers.register("afm.features",function(v) trace_features=v end) +local trace_indexing=false trackers.register("afm.indexing",function(v) trace_indexing=v end) +local trace_loading=false trackers.register("afm.loading",function(v) trace_loading=v end) +local trace_defining=false trackers.register("fonts.defining",function(v) trace_defining=v end) +local report_afm=logs.reporter("fonts","afm loading") +local setmetatableindex=table.setmetatableindex +local derivetable=table.derive +local findbinfile=resolvers.findbinfile +local definers=fonts.definers +local readers=fonts.readers +local constructors=fonts.constructors +local afm=constructors.newhandler("afm") +local pfb=constructors.newhandler("pfb") +local otf=fonts.handlers.otf +local otfreaders=otf.readers +local otfenhancers=otf.enhancers +local afmfeatures=constructors.newfeatures("afm") +local registerafmfeature=afmfeatures.register +afm.version=1.512 +afm.cache=containers.define("fonts","afm",afm.version,true) +afm.autoprefixed=true +afm.helpdata={} +afm.syncspace=true +local overloads=fonts.mappings.overloads +local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes local enhancers={ } local steps={ @@ -22577,14 +22605,8 @@ function afm.load(filename) end if not data or data.size~=size or data.time~=time or data.pfbsize~=pfbsize or data.pfbtime~=pfbtime then report_afm("reading %a",filename) - data=readafm(filename) + data=afm.readers.loadfont(filename,pfbname) if data then - if pfbname~="" then - data.resources.filename=resolvers.unresolve(pfbname) - get_indexes(data,pfbname) - elseif trace_loading then - report_afm("no pfb file for %a",filename) - end applyenhancers(data,filename) fonts.mappings.addtounicode(data,filename) otfreaders.pack(data) @@ -22975,11 +22997,30 @@ local function copytotfm(data) end end end - local fd=data.fontdimens - if fd and fd[8] and fd[9] and fd[10] then - for k,v in next,fd do - parameters[k]=v - end + if metadata.sup then + local dummy={ 0,0,0 } + parameters[ 1]=metadata.designsize or 0 + parameters[ 2]=metadata.checksum or 0 + parameters[ 3], + parameters[ 4], + parameters[ 5]=unpack(metadata.space or dummy) + parameters[ 6]=metadata.quad or 0 + parameters[ 7]=metadata.extraspace or 0 + parameters[ 8], + parameters[ 9], + parameters[10]=unpack(metadata.num or dummy) + parameters[11], + parameters[12]=unpack(metadata.denom or dummy) + parameters[13], + parameters[14], + parameters[15]=unpack(metadata.sup or dummy) + parameters[16], + parameters[17]=unpack(metadata.sub or dummy) + parameters[18]=metadata.supdrop or 0 + parameters[19]=metadata.subdrop or 0 + parameters[20], + parameters[21]=unpack(metadata.delim or dummy) + parameters[22]=metadata.axisheight or 0 end parameters.designsize=(metadata.designsize or 10)*65536 parameters.ascender=abs(metadata.ascender or 0) |