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authorPhilipp Gesang <phg@phi-gamma.net>2016-05-11 07:44:49 +0200
committerPhilipp Gesang <phg@phi-gamma.net>2016-05-11 07:44:49 +0200
commitbf6b707f32d39e417814d74c88d617ad42899d06 (patch)
tree669b8cf40850f97d148f307e500d430f78733cab /src/fontloader
parent5445ecc4583a34ab66d61bbce240a558b2db5b2b (diff)
downloadluaotfload-bf6b707f32d39e417814d74c88d617ad42899d06.tar.gz
[fontloader] sync with Context as of 2016-05-11
Diffstat (limited to 'src/fontloader')
-rw-r--r--src/fontloader/misc/fontloader-font-map.lua228
-rw-r--r--src/fontloader/misc/fontloader-font-one.lua343
-rw-r--r--src/fontloader/misc/fontloader-font-otl.lua2
-rw-r--r--src/fontloader/misc/fontloader-font-oup.lua3
-rw-r--r--src/fontloader/runtime/fontloader-reference.lua424
5 files changed, 457 insertions, 543 deletions
diff --git a/src/fontloader/misc/fontloader-font-map.lua b/src/fontloader/misc/fontloader-font-map.lua
index 509e751..838c741 100644
--- a/src/fontloader/misc/fontloader-font-map.lua
+++ b/src/fontloader/misc/fontloader-font-map.lua
@@ -45,7 +45,7 @@ of obsolete. Some code may move to runtime or auxiliary modules.</p>
-- end
-- end
-local hex = R("AF","09")
+local hex = R("AF","af","09")
----- hexfour = (hex*hex*hex*hex) / function(s) return tonumber(s,16) end
----- hexsix = (hex*hex*hex*hex*hex*hex) / function(s) return tonumber(s,16) end
local hexfour = (hex*hex*hex^-2) / function(s) return tonumber(s,16) end
@@ -295,145 +295,145 @@ function mappings.addtounicode(data,filename,checklookups)
local ns = 0
local nl = 0
--
- for unic, glyph in next, descriptions do
+ for du, glyph in next, descriptions do
local name = glyph.name
if name then
- local index = glyph.index
- local r = overloads[name]
- if r then
+ local overload = overloads[name]
+ if overload then
-- get rid of weird ligatures
- -- glyph.name = r.name
- glyph.unicode = r.unicode
- elseif not unic or unic == -1 or unic >= private or (unic >= 0xE000 and unic <= 0xF8FF) or unic == 0xFFFE or unic == 0xFFFF then
- local unicode = unicodevector[name] or contextvector[name]
- if unicode then
- glyph.unicode = unicode
- ns = ns + 1
- end
- -- cidmap heuristics, beware, there is no guarantee for a match unless
- -- the chain resolves
- if (not unicode) and usedmap then
- local foundindex = lpegmatch(oparser,name)
- if foundindex then
- unicode = cidcodes[foundindex] -- name to number
- if unicode then
- glyph.unicode = unicode
- ns = ns + 1
- else
- local reference = cidnames[foundindex] -- number to name
- if reference then
- local foundindex = lpegmatch(oparser,reference)
- if foundindex then
- unicode = cidcodes[foundindex]
- if unicode then
- glyph.unicode = unicode
- ns = ns + 1
+ -- glyph.name = overload.name
+ glyph.unicode = overload.unicode
+ else
+ local gu = glyph.unicode -- can already be set (number or table)
+ if not gu or gu == -1 or du >= private or (du >= 0xE000 and du <= 0xF8FF) or du == 0xFFFE or du == 0xFFFF then
+ local unicode = unicodevector[name] or contextvector[name]
+ if unicode then
+ glyph.unicode = unicode
+ ns = ns + 1
+ end
+ -- cidmap heuristics, beware, there is no guarantee for a match unless
+ -- the chain resolves
+ if (not unicode) and usedmap then
+ local foundindex = lpegmatch(oparser,name)
+ if foundindex then
+ unicode = cidcodes[foundindex] -- name to number
+ if unicode then
+ glyph.unicode = unicode
+ ns = ns + 1
+ else
+ local reference = cidnames[foundindex] -- number to name
+ if reference then
+ local foundindex = lpegmatch(oparser,reference)
+ if foundindex then
+ unicode = cidcodes[foundindex]
+ if unicode then
+ glyph.unicode = unicode
+ ns = ns + 1
+ end
end
- end
- if not unicode or unicode == "" then
- local foundcodes, multiple = lpegmatch(uparser,reference)
- if foundcodes then
- glyph.unicode = foundcodes
- if multiple then
- nl = nl + 1
- unicode = true
- else
- ns = ns + 1
- unicode = foundcodes
+ if not unicode or unicode == "" then
+ local foundcodes, multiple = lpegmatch(uparser,reference)
+ if foundcodes then
+ glyph.unicode = foundcodes
+ if multiple then
+ nl = nl + 1
+ unicode = true
+ else
+ ns = ns + 1
+ unicode = foundcodes
+ end
end
end
end
end
end
end
- end
- -- a.whatever or a_b_c.whatever or a_b_c (no numbers) a.b_
- --
- -- It is not trivial to find a solution that suits all fonts. We tried several alternatives
- -- and this one seems to work reasonable also with fonts that use less standardized naming
- -- schemes. The extra private test is tested by KE and seems to work okay with non-typical
- -- fonts as well.
- --
- if not unicode or unicode == "" then
- local split = lpegmatch(namesplitter,name)
- local nsplit = split and #split or 0 -- add if
- if nsplit == 0 then
- -- skip
- elseif nsplit == 1 then
- local base = split[1]
- local u = unicodes[base] or unicodevector[base] or contextvector[name]
- if not u then
+ -- a.whatever or a_b_c.whatever or a_b_c (no numbers) a.b_
+ --
+ -- It is not trivial to find a solution that suits all fonts. We tried several alternatives
+ -- and this one seems to work reasonable also with fonts that use less standardized naming
+ -- schemes. The extra private test is tested by KE and seems to work okay with non-typical
+ -- fonts as well.
+ --
+ if not unicode or unicode == "" then
+ local split = lpegmatch(namesplitter,name)
+ local nsplit = split and #split or 0 -- add if
+ if nsplit == 0 then
-- skip
- elseif type(u) == "table" then
- -- unlikely
- if u[1] < private then
- unicode = u
- glyph.unicode = unicode
- end
- elseif u < private then
- unicode = u
- glyph.unicode = unicode
- end
- else
- local t, n = { }, 0
- for l=1,nsplit do
- local base = split[l]
+ elseif nsplit == 1 then
+ local base = split[1]
local u = unicodes[base] or unicodevector[base] or contextvector[name]
if not u then
- break
+ -- skip
elseif type(u) == "table" then
- if u[1] >= private then
- break
+ -- unlikely
+ if u[1] < private then
+ unicode = u
+ glyph.unicode = unicode
end
- n = n + 1
- t[n] = u[1]
- else
- if u >= private then
+ elseif u < private then
+ unicode = u
+ glyph.unicode = unicode
+ end
+ else
+ local t, n = { }, 0
+ for l=1,nsplit do
+ local base = split[l]
+ local u = unicodes[base] or unicodevector[base] or contextvector[name]
+ if not u then
break
+ elseif type(u) == "table" then
+ if u[1] >= private then
+ break
+ end
+ n = n + 1
+ t[n] = u[1]
+ else
+ if u >= private then
+ break
+ end
+ n = n + 1
+ t[n] = u
+ end
+ end
+ if n > 0 then
+ if n == 1 then
+ unicode = t[1]
+ else
+ unicode = t
end
- n = n + 1
- t[n] = u
+ glyph.unicode = unicode
end
end
- if n > 0 then
- if n == 1 then
- unicode = t[1]
+ nl = nl + 1
+ end
+ -- last resort (we might need to catch private here as well)
+ if not unicode or unicode == "" then
+ local foundcodes, multiple = lpegmatch(uparser,name)
+ if foundcodes then
+ glyph.unicode = foundcodes
+ if multiple then
+ nl = nl + 1
+ unicode = true
else
- unicode = t
+ ns = ns + 1
+ unicode = foundcodes
end
- glyph.unicode = unicode
end
end
- nl = nl + 1
- end
- -- last resort (we might need to catch private here as well)
- if not unicode or unicode == "" then
- local foundcodes, multiple = lpegmatch(uparser,name)
- if foundcodes then
- glyph.unicode = foundcodes
- if multiple then
- nl = nl + 1
- unicode = true
- else
- ns = ns + 1
- unicode = foundcodes
- end
+ -- check using substitutes and alternates
+ local r = overloads[unicode]
+ if r then
+ unicode = r.unicode
+ glyph.unicode = unicode
+ end
+ --
+ if not unicode then
+ missing[du] = true
+ nofmissing = nofmissing + 1
end
- end
- -- check using substitutes and alternates
- local r = overloads[unicode]
- if r then
- unicode = r.unicode
- glyph.unicode = unicode
- end
- --
- if not unicode then
- missing[unic] = true
- nofmissing = nofmissing + 1
end
end
- else
- -- no name
end
end
if type(checklookups) == "function" then
diff --git a/src/fontloader/misc/fontloader-font-one.lua b/src/fontloader/misc/fontloader-font-one.lua
index 3602fd4..af32463 100644
--- a/src/fontloader/misc/fontloader-font-one.lua
+++ b/src/fontloader/misc/fontloader-font-one.lua
@@ -21,13 +21,13 @@ add features.</p>
local fonts, logs, trackers, containers, resolvers = fonts, logs, trackers, containers, resolvers
-local next, type, tonumber = next, type, tonumber
+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, lpegmatch, patterns = lpeg.P, lpeg.S, lpeg.R, lpeg.Cmt, lpeg.C, lpeg.Ct, lpeg.Cs, lpeg.match, lpeg.patterns
-local derivetable = table.derive
+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)
@@ -37,6 +37,7 @@ local trace_defining = false trackers.register("fonts.defining", function(v
local report_afm = logs.reporter("fonts","afm loading")
local setmetatableindex = table.setmetatableindex
+local derivetable = table.derive
local findbinfile = resolvers.findbinfile
@@ -54,7 +55,7 @@ local otfenhancers = otf.enhancers
local afmfeatures = constructors.newfeatures("afm")
local registerafmfeature = afmfeatures.register
-afm.version = 1.505 -- incrementing this number one up will force a re-cache
+afm.version = 1.507 -- 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.*)
@@ -66,54 +67,55 @@ 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>
+<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 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
local comment = P("Comment")
local spacing = patterns.spacer -- S(" \t")^1
local lineend = patterns.newline -- S("\n\r")
-local words = C((1 - lineend)^1)
-local number = C((R("09") + S("."))^1) / tonumber * spacing^0
-local data = lpeg.Carg(1)
+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 = ( -- needs testing ... not used anyway as we no longer need math afm's
- comment * spacing *
- (
- data * (
- ("CODINGSCHEME" * spacing * words ) / function(fd,a) end +
- ("DESIGNSIZE" * spacing * number * words ) / function(fd,a) fd[ 1] = a end +
- ("CHECKSUM" * spacing * number * words ) / function(fd,a) fd[ 2] = a end +
- ("SPACE" * spacing * number * "plus" * number * "minus" * number) / function(fd,a,b,c) fd[ 3], fd[ 4], fd[ 5] = a, b, c end +
- ("QUAD" * spacing * number ) / function(fd,a) fd[ 6] = a end +
- ("EXTRASPACE" * spacing * number ) / function(fd,a) fd[ 7] = a end +
- ("NUM" * spacing * number * number * number ) / function(fd,a,b,c) fd[ 8], fd[ 9], fd[10] = a, b, c end +
- ("DENOM" * spacing * number * number ) / function(fd,a,b ) fd[11], fd[12] = a, b end +
- ("SUP" * spacing * number * number * number ) / function(fd,a,b,c) fd[13], fd[14], fd[15] = a, b, c end +
- ("SUB" * spacing * number * number ) / function(fd,a,b) fd[16], fd[17] = a, b end +
- ("SUPDROP" * spacing * number ) / function(fd,a) fd[18] = a end +
- ("SUBDROP" * spacing * number ) / function(fd,a) fd[19] = a end +
- ("DELIM" * spacing * number * number ) / function(fd,a,b) fd[20], fd[21] = a, b end +
- ("AXISHEIGHT" * spacing * number ) / function(fd,a) fd[22] = a end
- )
- + (1-lineend)^0
+ 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
@@ -123,27 +125,47 @@ local function scan_comment(str)
return fd
end
--- On a rainy day I will rewrite this in lpeg ... or we can use the (slower) fontloader
--- as in now supports afm/pfb loading but it's not too bad to have different methods
--- for testing approaches.
-
-local keys = { }
-
-function keys.FontName (data,line) data.metadata.fontname = strip (line) -- get rid of spaces
- data.metadata.fullname = strip (line) end
-function keys.ItalicAngle (data,line) data.metadata.italicangle = tonumber (line) end
-function keys.IsFixedPitch(data,line) data.metadata.monospaced = toboolean(line,true) end
-function keys.CharWidth (data,line) data.metadata.charwidth = tonumber (line) end
-function keys.XHeight (data,line) data.metadata.xheight = tonumber (line) end
-function keys.Descender (data,line) data.metadata.descender = tonumber (line) end
-function keys.Ascender (data,line) data.metadata.ascender = tonumber (line) end
-function keys.Comment (data,line)
- -- Comment DesignSize 12 (pts)
- -- Comment TFM designsize: 12 (in points)
- line = lower(line)
- local designsize = match(line,"designsize[^%d]*(%d+)")
- if designsize then data.metadata.designsize = tonumber(designsize) end
-end
+-- Comment DesignSize 12 (pts)
+-- Comment TFM designsize: 12 (in points)
+
+local keys = {
+
+ FontName = function(data,line)
+ data.metadata.fontname = strip(line) -- get rid of spaces
+ 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
@@ -202,8 +224,10 @@ local function get_variables(data,fontmetrics)
end
end
--- new (unfinished) pfb loader but i see no differences between
--- old and new (one bad vector with old)
+--[[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
@@ -353,29 +377,30 @@ local function readafm(filename)
-- the final store
},
}
- afmblob = gsub(afmblob,"StartCharMetrics(.-)EndCharMetrics", function(charmetrics)
+-- afmblob = gsub(afmblob,"StartCharMetrics(.-)EndCharMetrics", function(charmetrics)
+ for charmetrics in gmatch(afmblob,"StartCharMetrics(.-)EndCharMetrics") do
if trace_loading then
report_afm("loading char metrics")
end
get_charmetrics(data,charmetrics,vector)
- return ""
- end)
- afmblob = gsub(afmblob,"StartKernPairs(.-)EndKernPairs", function(kernpairs)
+ break
+ end
+ for kernpairs in gmatch(afmblob,"StartKernPairs(.-)EndKernPairs") do
if trace_loading then
report_afm("loading kern pairs")
end
get_kernpairs(data,kernpairs)
- return ""
- end)
- afmblob = gsub(afmblob,"StartFontMetrics%s+([%d%.]+)(.-)EndFontMetrics", function(version,fontmetrics)
+ 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) -- todo: all lpeg, no time now
- return ""
- end)
+ break
+ end
return data
else
if trace_loading then
@@ -391,10 +416,38 @@ ligatures and kern information to the afm derived data. That way we can set them
when defining a font.</p>
<p>We still keep the loading two phased: first we load the data in a traditional
-fashion and later we transform it to sequences.</p>
+fashion and later we transform it to sequences. Then we apply some methods also
+used in opentype fonts (like <t>tlig</t>).</p>
--ldx]]--
-local addkerns, unify, normalize, fixnames, addligatures, addtexligatures
+local enhancers = {
+ -- It's cleaner to implement them after we've seen what we are
+ -- dealing with.
+}
+
+local steps = {
+ "unify names",
+ "add ligatures",
+ "add extra kerns",
+ "normalize features",
+ "fix names",
+-- "add tounicode data",
+}
+
+local function applyenhancers(data,filename)
+ for i=1,#steps do
+ local step = steps[i]
+ local enhancer = enhancers[step]
+ if enhancer then
+ if trace_loading then
+ report_afm("applying enhancer %a",step)
+ end
+ enhancer(data,filename)
+ else
+ report_afm("invalid enhancer %a",step)
+ end
+ end
+end
function afm.load(filename)
filename = resolvers.findfile(filename,'afm') or ""
@@ -427,29 +480,7 @@ function afm.load(filename)
-- data.resources.filename = "unset" -- better than loading the afm file
end
-- we now have all the data loaded
- if trace_loading then
- report_afm("unifying %a",filename)
- end
- unify(data,filename)
- if trace_loading then
- report_afm("add ligatures") -- there can be missing ones
- end
- addligatures(data)
- if trace_loading then
- report_afm("add extra kerns")
- end
- addkerns(data)
- if trace_loading then
- report_afm("normalizing")
- end
- normalize(data)
- if trace_loading then
- report_afm("fixing names")
- end
- fixnames(data)
- if trace_loading then
- report_afm("add tounicode data")
- end
+ applyenhancers(data,filename)
-- otfreaders.addunicodetable(data) -- only when not done yet
fonts.mappings.addtounicode(data,filename)
-- otfreaders.extend(data)
@@ -475,14 +506,14 @@ function afm.load(filename)
end
end
return data
- else
- return nil
end
end
-local uparser = fonts.mappings.makenameparser()
+-- we run a more advanced analyzer later on anyway
-unify = function(data, filename)
+local uparser = fonts.mappings.makenameparser() -- each time
+
+enhancers["unify names"] = function(data, filename)
local unicodevector = fonts.encodings.agl.unicodes -- loaded runtime in context
local unicodes = { }
local names = { }
@@ -492,7 +523,7 @@ unify = function(data, filename)
local code = unicodevector[name] -- or characters.name_to_unicode[name]
if not code then
code = lpegmatch(uparser,name)
- if not code then
+ if type(code) ~= "number" then
code = private
private = private + 1
report_afm("assigning private slot %U for unknown glyph name %a",code,name)
@@ -538,7 +569,7 @@ end
local everywhere = { ["*"] = { ["*"] = true } } -- or: { ["*"] = { "*" } }
local noflags = { false, false, false, false }
-normalize = function(data)
+enhancers["normalize features"] = function(data)
local ligatures = setmetatableindex("table")
local kerns = setmetatableindex("table")
local extrakerns = setmetatableindex("table")
@@ -639,7 +670,7 @@ normalize = function(data)
data.resources.sequences = sequences
end
-fixnames = function(data)
+enhancers["fix names"] = function(data)
for k, v in next, data.descriptions do
local n = v.name
local r = overloads[n]
@@ -686,8 +717,13 @@ local addthem = function(rawdata,ligatures)
end
end
-addligatures = function(rawdata) addthem(rawdata,afm.helpdata.ligatures ) end
-addtexligatures = function(rawdata) addthem(rawdata,afm.helpdata.texligatures) end
+enhancers["add ligatures"] = function(rawdata)
+ addthem(rawdata,afm.helpdata.ligatures)
+end
+
+-- enhancers["add tex ligatures"] = function(rawdata)
+-- addthem(rawdata,afm.helpdata.texligatures)
+-- end
--[[ldx--
<p>We keep the extra kerns in separate kerning tables so that we can use
@@ -701,7 +737,7 @@ them selectively.</p>
-- we don't use the character database. (Ok, we can have a context specific
-- variant).
-addkerns = function(rawdata) -- using shcodes is not robust here
+enhancers["add extra kerns"] = function(rawdata) -- using shcodes is not robust here
local descriptions = rawdata.descriptions
local resources = rawdata.resources
local unicodes = resources.unicodes
@@ -929,10 +965,9 @@ local function copytotfm(data)
end
--[[ldx--
-<p>Originally we had features kind of hard coded for <l n='afm'/>
-files but since I expect to support more font formats, I decided
-to treat this fontformat like any other and handle features in a
-more configurable way.</p>
+<p>Originally we had features kind of hard coded for <l n='afm'/> files but since I
+expect to support more font formats, I decided to treat this fontformat like any
+other and handle features in a more configurable way.</p>
--ldx]]--
function afm.setfeatures(tfmdata,features)
@@ -1046,85 +1081,9 @@ local function read_from_afm(specification)
end
--[[ldx--
-<p>Here comes the implementation of a few features. We only implement
-those that make sense for this format.</p>
+<p>We have the usual two modes and related features initializers and processors.</p>
--ldx]]--
-local function prepareligatures(tfmdata,ligatures,value)
- if value then
- local descriptions = tfmdata.descriptions
- local hasligatures = false
- for unicode, character in next, tfmdata.characters do
- local description = descriptions[unicode]
- local dligatures = description.ligatures
- if dligatures then
- local cligatures = character.ligatures
- if not cligatures then
- cligatures = { }
- character.ligatures = cligatures
- end
- for unicode, ligature in next, dligatures do
- cligatures[unicode] = {
- char = ligature,
- type = 0
- }
- end
- hasligatures = true
- end
- end
- tfmdata.properties.hasligatures = hasligatures
- end
-end
-
-local function preparekerns(tfmdata,kerns,value)
- if value then
- local rawdata = tfmdata.shared.rawdata
- local resources = rawdata.resources
- local unicodes = resources.unicodes
- local descriptions = tfmdata.descriptions
- local haskerns = false
- for u, chr in next, tfmdata.characters do
- local d = descriptions[u]
- local newkerns = d[kerns]
- if newkerns then
- local kerns = chr.kerns
- if not kerns then
- kerns = { }
- chr.kerns = kerns
- end
- for k,v in next, newkerns do
- local uk = unicodes[k]
- if uk then
- kerns[uk] = v
- end
- end
- haskerns = true
- end
- end
- tfmdata.properties.haskerns = haskerns
- end
-end
-
-local list = {
- -- [0x0022] = 0x201D,
- [0x0027] = 0x2019,
- -- [0x0060] = 0x2018,
-}
-
-local function texreplacements(tfmdata,value)
- local descriptions = tfmdata.descriptions
- local characters = tfmdata.characters
- for k, v in next, list do
- characters [k] = characters [v] -- we forget about kerns
- descriptions[k] = descriptions[v] -- we forget about kerns
- end
-end
-
--- local function ligatures (tfmdata,value) prepareligatures(tfmdata,'ligatures', value) end
--- local function texligatures(tfmdata,value) prepareligatures(tfmdata,'texligatures',value) end
--- local function kerns (tfmdata,value) preparekerns (tfmdata,'kerns', value) end
-local function extrakerns (tfmdata,value) preparekerns (tfmdata,'extrakerns', value) end
-
local function setmode(tfmdata,value)
if value then
tfmdata.properties.mode = lower(value)
@@ -1214,7 +1173,7 @@ function readers.pfb(specification,method) -- only called when forced
if trace_defining then
report_afm("using afm reader for %a",original)
end
- specification.specification = gsub(original,"%.pfb",".afm")
+ specification.specification = file.replacesuffix(original,"afm")
specification.forced = "afm"
return readers.afm(specification,method)
end
diff --git a/src/fontloader/misc/fontloader-font-otl.lua b/src/fontloader/misc/fontloader-font-otl.lua
index 01342a9..304b6b9 100644
--- a/src/fontloader/misc/fontloader-font-otl.lua
+++ b/src/fontloader/misc/fontloader-font-otl.lua
@@ -53,7 +53,7 @@ local report_otf = logs.reporter("fonts","otf loading")
local fonts = fonts
local otf = fonts.handlers.otf
-otf.version = 3.019 -- beware: also sync font-mis.lua and in mtx-fonts
+otf.version = 3.020 -- beware: also sync font-mis.lua and in mtx-fonts
otf.cache = containers.define("fonts", "otl", otf.version, true)
local otfreaders = otf.readers
diff --git a/src/fontloader/misc/fontloader-font-oup.lua b/src/fontloader/misc/fontloader-font-oup.lua
index 3b6d8ea..bd47e71 100644
--- a/src/fontloader/misc/fontloader-font-oup.lua
+++ b/src/fontloader/misc/fontloader-font-oup.lua
@@ -586,7 +586,8 @@ local function checklookups(fontdata,missing,nofmissing)
local done = { }
for i, r in next, missing do
if r then
- local name = descriptions[i].name or f_index(i)
+ local data = descriptions[i]
+ local name = data and data.name or f_index(i)
if not ignore[name] then
done[name] = true
end
diff --git a/src/fontloader/runtime/fontloader-reference.lua b/src/fontloader/runtime/fontloader-reference.lua
index 3e6f1d1..b848937 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 : 05/08/16 17:30:49
+-- merge date : 05/10/16 23:43:55
do -- begin closure to overcome local limits and interference
@@ -6414,7 +6414,7 @@ local fonts=fonts or {}
local mappings=fonts.mappings or {}
fonts.mappings=mappings
local allocate=utilities.storage.allocate
-local hex=R("AF","09")
+local hex=R("AF","af","09")
local hexfour=(hex*hex*hex^-2)/function(s) return tonumber(s,16) end
local hexsix=(hex*hex*hex^-4)/function(s) return tonumber(s,16) end
local dec=(R("09")^1)/tonumber
@@ -6549,127 +6549,128 @@ function mappings.addtounicode(data,filename,checklookups)
end
local ns=0
local nl=0
- for unic,glyph in next,descriptions do
+ for du,glyph in next,descriptions do
local name=glyph.name
if name then
- local index=glyph.index
- local r=overloads[name]
- if r then
- glyph.unicode=r.unicode
- elseif not unic or unic==-1 or unic>=private or (unic>=0xE000 and unic<=0xF8FF) or unic==0xFFFE or unic==0xFFFF then
- local unicode=unicodevector[name] or contextvector[name]
- if unicode then
- glyph.unicode=unicode
- ns=ns+1
- end
- if (not unicode) and usedmap then
- local foundindex=lpegmatch(oparser,name)
- if foundindex then
- unicode=cidcodes[foundindex]
- if unicode then
- glyph.unicode=unicode
- ns=ns+1
- else
- local reference=cidnames[foundindex]
- if reference then
- local foundindex=lpegmatch(oparser,reference)
- if foundindex then
- unicode=cidcodes[foundindex]
- if unicode then
- glyph.unicode=unicode
- ns=ns+1
- end
- end
- if not unicode or unicode=="" then
- local foundcodes,multiple=lpegmatch(uparser,reference)
- if foundcodes then
- glyph.unicode=foundcodes
- if multiple then
- nl=nl+1
- unicode=true
- else
+ local overload=overloads[name]
+ if overload then
+ glyph.unicode=overload.unicode
+ else
+ local gu=glyph.unicode
+ if not gu or gu==-1 or du>=private or (du>=0xE000 and du<=0xF8FF) or du==0xFFFE or du==0xFFFF then
+ local unicode=unicodevector[name] or contextvector[name]
+ if unicode then
+ glyph.unicode=unicode
+ ns=ns+1
+ end
+ if (not unicode) and usedmap then
+ local foundindex=lpegmatch(oparser,name)
+ if foundindex then
+ unicode=cidcodes[foundindex]
+ if unicode then
+ glyph.unicode=unicode
+ ns=ns+1
+ else
+ local reference=cidnames[foundindex]
+ if reference then
+ local foundindex=lpegmatch(oparser,reference)
+ if foundindex then
+ unicode=cidcodes[foundindex]
+ if unicode then
+ glyph.unicode=unicode
ns=ns+1
- unicode=foundcodes
+ end
+ end
+ if not unicode or unicode=="" then
+ local foundcodes,multiple=lpegmatch(uparser,reference)
+ if foundcodes then
+ glyph.unicode=foundcodes
+ if multiple then
+ nl=nl+1
+ unicode=true
+ else
+ ns=ns+1
+ unicode=foundcodes
+ end
end
end
end
end
end
end
- end
- if not unicode or unicode=="" then
- local split=lpegmatch(namesplitter,name)
- local nsplit=split and #split or 0
- if nsplit==0 then
- elseif nsplit==1 then
- local base=split[1]
- local u=unicodes[base] or unicodevector[base] or contextvector[name]
- if not u then
- elseif type(u)=="table" then
- if u[1]<private then
- unicode=u
- glyph.unicode=unicode
- end
- elseif u<private then
- unicode=u
- glyph.unicode=unicode
- end
- else
- local t,n={},0
- for l=1,nsplit do
- local base=split[l]
+ if not unicode or unicode=="" then
+ local split=lpegmatch(namesplitter,name)
+ local nsplit=split and #split or 0
+ if nsplit==0 then
+ elseif nsplit==1 then
+ local base=split[1]
local u=unicodes[base] or unicodevector[base] or contextvector[name]
if not u then
- break
elseif type(u)=="table" then
- if u[1]>=private then
- break
+ if u[1]<private then
+ unicode=u
+ glyph.unicode=unicode
end
- n=n+1
- t[n]=u[1]
- else
- if u>=private then
+ elseif u<private then
+ unicode=u
+ glyph.unicode=unicode
+ end
+ else
+ local t,n={},0
+ for l=1,nsplit do
+ local base=split[l]
+ local u=unicodes[base] or unicodevector[base] or contextvector[name]
+ if not u then
break
+ elseif type(u)=="table" then
+ if u[1]>=private then
+ break
+ end
+ n=n+1
+ t[n]=u[1]
+ else
+ if u>=private then
+ break
+ end
+ n=n+1
+ t[n]=u
end
- n=n+1
- t[n]=u
+ end
+ if n>0 then
+ if n==1 then
+ unicode=t[1]
+ else
+ unicode=t
+ end
+ glyph.unicode=unicode
end
end
- if n>0 then
- if n==1 then
- unicode=t[1]
+ nl=nl+1
+ end
+ if not unicode or unicode=="" then
+ local foundcodes,multiple=lpegmatch(uparser,name)
+ if foundcodes then
+ glyph.unicode=foundcodes
+ if multiple then
+ nl=nl+1
+ unicode=true
else
- unicode=t
+ ns=ns+1
+ unicode=foundcodes
end
- glyph.unicode=unicode
end
end
- nl=nl+1
- end
- if not unicode or unicode=="" then
- local foundcodes,multiple=lpegmatch(uparser,name)
- if foundcodes then
- glyph.unicode=foundcodes
- if multiple then
- nl=nl+1
- unicode=true
- else
- ns=ns+1
- unicode=foundcodes
- end
+ local r=overloads[unicode]
+ if r then
+ unicode=r.unicode
+ glyph.unicode=unicode
+ end
+ if not unicode then
+ missing[du]=true
+ nofmissing=nofmissing+1
end
- end
- local r=overloads[unicode]
- if r then
- unicode=r.unicode
- glyph.unicode=unicode
- end
- if not unicode then
- missing[unic]=true
- nofmissing=nofmissing+1
end
end
- else
end
end
if type(checklookups)=="function" then
@@ -13052,7 +13053,8 @@ local function checklookups(fontdata,missing,nofmissing)
local done={}
for i,r in next,missing do
if r then
- local name=descriptions[i].name or f_index(i)
+ local data=descriptions[i]
+ local name=data and data.name or f_index(i)
if not ignore[name] then
done[name]=true
end
@@ -14514,7 +14516,7 @@ local trace_defining=false registertracker("fonts.defining",function(v) trace_de
local report_otf=logs.reporter("fonts","otf loading")
local fonts=fonts
local otf=fonts.handlers.otf
-otf.version=3.019
+otf.version=3.020
otf.cache=containers.define("fonts","otl",otf.version,true)
local otfreaders=otf.readers
local hashes=fonts.hashes
@@ -22260,19 +22262,20 @@ if not modules then modules={} end modules ['font-one']={
license="see context related readme files"
}
local fonts,logs,trackers,containers,resolvers=fonts,logs,trackers,containers,resolvers
-local next,type,tonumber=next,type,tonumber
+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,lpegmatch,patterns=lpeg.P,lpeg.S,lpeg.R,lpeg.Cmt,lpeg.C,lpeg.Ct,lpeg.Cs,lpeg.match,lpeg.patterns
-local derivetable=table.derive
+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
@@ -22284,7 +22287,7 @@ local otfreaders=otf.readers
local otfenhancers=otf.enhancers
local afmfeatures=constructors.newfeatures("afm")
local registerafmfeature=afmfeatures.register
-afm.version=1.505
+afm.version=1.507
afm.cache=containers.define("fonts","afm",afm.version,true)
afm.autoprefixed=true
afm.helpdata={}
@@ -22294,35 +22297,52 @@ local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes
local comment=P("Comment")
local spacing=patterns.spacer
local lineend=patterns.newline
-local words=C((1-lineend)^1)
-local number=C((R("09")+S("."))^1)/tonumber*spacing^0
-local data=lpeg.Carg(1)
+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"*spacing*words )/function(fd,a) end+("DESIGNSIZE"*spacing*number*words )/function(fd,a) fd[ 1]=a end+("CHECKSUM"*spacing*number*words )/function(fd,a) fd[ 2]=a end+("SPACE"*spacing*number*"plus"*number*"minus"*number)/function(fd,a,b,c) fd[ 3],fd[ 4],fd[ 5]=a,b,c end+("QUAD"*spacing*number )/function(fd,a) fd[ 6]=a end+("EXTRASPACE"*spacing*number )/function(fd,a) fd[ 7]=a end+("NUM"*spacing*number*number*number )/function(fd,a,b,c) fd[ 8],fd[ 9],fd[10]=a,b,c end+("DENOM"*spacing*number*number )/function(fd,a,b ) fd[11],fd[12]=a,b end+("SUP"*spacing*number*number*number )/function(fd,a,b,c) fd[13],fd[14],fd[15]=a,b,c end+("SUB"*spacing*number*number )/function(fd,a,b) fd[16],fd[17]=a,b end+("SUPDROP"*spacing*number )/function(fd,a) fd[18]=a end+("SUBDROP"*spacing*number )/function(fd,a) fd[19]=a end+("DELIM"*spacing*number*number )/function(fd,a,b) fd[20],fd[21]=a,b end+("AXISHEIGHT"*spacing*number )/function(fd,a) fd[22]=a end
- )+(1-lineend)^0
- )+(1-comment)^1
+ 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={}
-function keys.FontName (data,line) data.metadata.fontname=strip (line)
- data.metadata.fullname=strip (line) end
-function keys.ItalicAngle (data,line) data.metadata.italicangle=tonumber (line) end
-function keys.IsFixedPitch(data,line) data.metadata.monospaced=toboolean(line,true) end
-function keys.CharWidth (data,line) data.metadata.charwidth=tonumber (line) end
-function keys.XHeight (data,line) data.metadata.xheight=tonumber (line) end
-function keys.Descender (data,line) data.metadata.descender=tonumber (line) end
-function keys.Ascender (data,line) data.metadata.ascender=tonumber (line) end
-function keys.Comment (data,line)
- line=lower(line)
- local designsize=match(line,"designsize[^%d]*(%d+)")
- if designsize then data.metadata.designsize=tonumber(designsize) end
-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
@@ -22483,29 +22503,29 @@ local function readafm(filename)
descriptions={
},
}
- afmblob=gsub(afmblob,"StartCharMetrics(.-)EndCharMetrics",function(charmetrics)
+ for charmetrics in gmatch(afmblob,"StartCharMetrics(.-)EndCharMetrics") do
if trace_loading then
report_afm("loading char metrics")
end
get_charmetrics(data,charmetrics,vector)
- return ""
- end)
- afmblob=gsub(afmblob,"StartKernPairs(.-)EndKernPairs",function(kernpairs)
+ break
+ end
+ for kernpairs in gmatch(afmblob,"StartKernPairs(.-)EndKernPairs") do
if trace_loading then
report_afm("loading kern pairs")
end
get_kernpairs(data,kernpairs)
- return ""
- end)
- afmblob=gsub(afmblob,"StartFontMetrics%s+([%d%.]+)(.-)EndFontMetrics",function(version,fontmetrics)
+ 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)
- return ""
- end)
+ break
+ end
return data
else
if trace_loading then
@@ -22514,7 +22534,29 @@ local function readafm(filename)
return nil
end
end
-local addkerns,unify,normalize,fixnames,addligatures,addtexligatures
+local enhancers={
+}
+local steps={
+ "unify names",
+ "add ligatures",
+ "add extra kerns",
+ "normalize features",
+ "fix names",
+}
+local function applyenhancers(data,filename)
+ for i=1,#steps do
+ local step=steps[i]
+ local enhancer=enhancers[step]
+ if enhancer then
+ if trace_loading then
+ report_afm("applying enhancer %a",step)
+ end
+ enhancer(data,filename)
+ else
+ report_afm("invalid enhancer %a",step)
+ end
+ end
+end
function afm.load(filename)
filename=resolvers.findfile(filename,'afm') or ""
if filename~="" and not fonts.names.ignoredfile(filename) then
@@ -22543,29 +22585,7 @@ function afm.load(filename)
elseif trace_loading then
report_afm("no pfb file for %a",filename)
end
- if trace_loading then
- report_afm("unifying %a",filename)
- end
- unify(data,filename)
- if trace_loading then
- report_afm("add ligatures")
- end
- addligatures(data)
- if trace_loading then
- report_afm("add extra kerns")
- end
- addkerns(data)
- if trace_loading then
- report_afm("normalizing")
- end
- normalize(data)
- if trace_loading then
- report_afm("fixing names")
- end
- fixnames(data)
- if trace_loading then
- report_afm("add tounicode data")
- end
+ applyenhancers(data,filename)
fonts.mappings.addtounicode(data,filename)
otfreaders.pack(data)
data.size=size
@@ -22587,12 +22607,10 @@ function afm.load(filename)
end
end
return data
- else
- return nil
end
end
-local uparser=fonts.mappings.makenameparser()
-unify=function(data,filename)
+local uparser=fonts.mappings.makenameparser()
+enhancers["unify names"]=function(data,filename)
local unicodevector=fonts.encodings.agl.unicodes
local unicodes={}
local names={}
@@ -22602,7 +22620,7 @@ unify=function(data,filename)
local code=unicodevector[name]
if not code then
code=lpegmatch(uparser,name)
- if not code then
+ if type(code)~="number" then
code=private
private=private+1
report_afm("assigning private slot %U for unknown glyph name %a",code,name)
@@ -22644,7 +22662,7 @@ unify=function(data,filename)
end
local everywhere={ ["*"]={ ["*"]=true } }
local noflags={ false,false,false,false }
-normalize=function(data)
+enhancers["normalize features"]=function(data)
local ligatures=setmetatableindex("table")
local kerns=setmetatableindex("table")
local extrakerns=setmetatableindex("table")
@@ -22742,7 +22760,7 @@ normalize=function(data)
data.resources.features=features
data.resources.sequences=sequences
end
-fixnames=function(data)
+enhancers["fix names"]=function(data)
for k,v in next,data.descriptions do
local n=v.name
local r=overloads[n]
@@ -22781,9 +22799,10 @@ local addthem=function(rawdata,ligatures)
end
end
end
-addligatures=function(rawdata) addthem(rawdata,afm.helpdata.ligatures ) end
-addtexligatures=function(rawdata) addthem(rawdata,afm.helpdata.texligatures) end
-addkerns=function(rawdata)
+enhancers["add ligatures"]=function(rawdata)
+ addthem(rawdata,afm.helpdata.ligatures)
+end
+enhancers["add extra kerns"]=function(rawdata)
local descriptions=rawdata.descriptions
local resources=rawdata.resources
local unicodes=resources.unicodes
@@ -23083,71 +23102,6 @@ local function read_from_afm(specification)
end
return tfmdata
end
-local function prepareligatures(tfmdata,ligatures,value)
- if value then
- local descriptions=tfmdata.descriptions
- local hasligatures=false
- for unicode,character in next,tfmdata.characters do
- local description=descriptions[unicode]
- local dligatures=description.ligatures
- if dligatures then
- local cligatures=character.ligatures
- if not cligatures then
- cligatures={}
- character.ligatures=cligatures
- end
- for unicode,ligature in next,dligatures do
- cligatures[unicode]={
- char=ligature,
- type=0
- }
- end
- hasligatures=true
- end
- end
- tfmdata.properties.hasligatures=hasligatures
- end
-end
-local function preparekerns(tfmdata,kerns,value)
- if value then
- local rawdata=tfmdata.shared.rawdata
- local resources=rawdata.resources
- local unicodes=resources.unicodes
- local descriptions=tfmdata.descriptions
- local haskerns=false
- for u,chr in next,tfmdata.characters do
- local d=descriptions[u]
- local newkerns=d[kerns]
- if newkerns then
- local kerns=chr.kerns
- if not kerns then
- kerns={}
- chr.kerns=kerns
- end
- for k,v in next,newkerns do
- local uk=unicodes[k]
- if uk then
- kerns[uk]=v
- end
- end
- haskerns=true
- end
- end
- tfmdata.properties.haskerns=haskerns
- end
-end
-local list={
- [0x0027]=0x2019,
-}
-local function texreplacements(tfmdata,value)
- local descriptions=tfmdata.descriptions
- local characters=tfmdata.characters
- for k,v in next,list do
- characters [k]=characters [v]
- descriptions[k]=descriptions[v]
- end
-end
-local function extrakerns (tfmdata,value) preparekerns (tfmdata,'extrakerns',value) end
local function setmode(tfmdata,value)
if value then
tfmdata.properties.mode=lower(value)
@@ -23228,7 +23182,7 @@ function readers.pfb(specification,method)
if trace_defining then
report_afm("using afm reader for %a",original)
end
- specification.specification=gsub(original,"%.pfb",".afm")
+ specification.specification=file.replacesuffix(original,"afm")
specification.forced="afm"
return readers.afm(specification,method)
end