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-rw-r--r--src/fontloader/misc/fontloader-font-one.lua414
-rw-r--r--src/fontloader/misc/fontloader-font-otr.lua1
-rw-r--r--src/fontloader/misc/fontloader-fonts.lua1
-rw-r--r--src/fontloader/runtime/fontloader-reference.lua383
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)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 17:50:13 +0000