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-rw-r--r--otfl-font-map.lua14
-rw-r--r--otfl-font-otf.lua33
-rw-r--r--otfl-font-otn.lua8
-rw-r--r--otfl-font-tfm.lua99
4 files changed, 93 insertions, 61 deletions
diff --git a/otfl-font-map.lua b/otfl-font-map.lua
index 0dc4eca..4cb4976 100644
--- a/otfl-font-map.lua
+++ b/otfl-font-map.lua
@@ -31,7 +31,7 @@ function fonts.map.line.pdfmapline(tag,str)
return "\\loadmapline[" .. tag .. "][" .. str .. "]"
end
-function fonts.map.line.pdftex(e) -- so far no combination of slant and stretch
+function fonts.map.line.pdftex(e) -- so far no combination of slant and extend
if e.name and e.fontfile then
local fullname = e.fullname or ""
if e.slant and e.slant ~= 0 then
@@ -40,11 +40,11 @@ function fonts.map.line.pdftex(e) -- so far no combination of slant and stretch
else
return fonts.map.line.pdfmapline("=",format('%s %s "%g SlantFont" <%s',e.name,fullname,e.slant,e.fontfile))
end
- elseif e.stretch and e.stretch ~= 1 and e.stretch ~= 0 then
+ elseif e.extend and e.extend ~= 1 and e.extend ~= 0 then
if e.encoding then
- return fonts.map.line.pdfmapline("=",format('%s %s "%g ExtendFont" <%s <%s',e.name,fullname,e.stretch,e.encoding,e.fontfile))
+ return fonts.map.line.pdfmapline("=",format('%s %s "%g ExtendFont" <%s <%s',e.name,fullname,e.extend,e.encoding,e.fontfile))
else
- return fonts.map.line.pdfmapline("=",format('%s %s "%g ExtendFont" <%s',e.name,fullname,e.stretch,e.fontfile))
+ return fonts.map.line.pdfmapline("=",format('%s %s "%g ExtendFont" <%s',e.name,fullname,e.extend,e.fontfile))
end
else
if e.encoding then
@@ -87,9 +87,9 @@ function fonts.map.load_file(filename, entries, encodings)
if find(line,"^[%#%%%s]") then
-- print(line)
else
- local stretch, slant, name, fullname, fontfile, encoding
+ local extend, slant, name, fullname, fontfile, encoding
line = line:gsub('"(.+)"', function(s)
- stretch = find(s,'"([^"]+) ExtendFont"')
+ extend = find(s,'"([^"]+) ExtendFont"')
slant = find(s,'"([^"]+) SlantFont"')
return ""
end)
@@ -113,7 +113,7 @@ function fonts.map.load_file(filename, entries, encodings)
encoding = encoding,
fontfile = fontfile,
slant = tonumber(slant),
- stretch = tonumber(stretch)
+ extend = tonumber(extend)
}
encodings[name] = encoding
elseif line ~= "" then
diff --git a/otfl-font-otf.lua b/otfl-font-otf.lua
index 6900b84..e2f0f5b 100644
--- a/otfl-font-otf.lua
+++ b/otfl-font-otf.lua
@@ -83,7 +83,7 @@ otf.features.default = otf.features.default or { }
otf.enhancers = otf.enhancers or { }
otf.glists = { "gsub", "gpos" }
-otf.version = 2.636 -- beware: also sync font-mis.lua
+otf.version = 2.641 -- beware: also sync font-mis.lua
otf.pack = true -- beware: also sync font-mis.lua
otf.syncspace = true
otf.notdef = false
@@ -214,6 +214,7 @@ local enhancers = {
"share widths",
"strip not needed data",
"migrate metadata",
+ "check math parameters",
}
function otf.load(filename,format,sub,featurefile)
@@ -238,8 +239,12 @@ function otf.load(filename,format,sub,featurefile)
ff, messages = fontloader.open(filename)
end
if trace_loading and messages and #messages > 0 then
- for m=1,#messages do
- logs.report("load otf","warning: %s",messages[m])
+ if type(messages) == "string" then
+ logs.report("load otf","warning: %s",messages)
+ else
+ for m=1,#messages do
+ logs.report("load otf","warning: %s",tostring(messages[m]))
+ end
end
end
if ff then
@@ -1166,6 +1171,26 @@ otf.enhancers["migrate metadata"] = function(data,filename)
metadata.charwidth = pfminfo and pfminfo.avgwidth
end
+local private_math_parameters = {
+ "FractionDelimiterSize",
+ "FractionDelimiterDisplayStyleSize",
+}
+
+otf.enhancers["check math parameters"] = function(data,filename)
+ local mathdata = data.metadata.math
+ if mathdata then
+ for m=1,#private_math_parameters do
+ local pmp = private_math_parameters[m]
+ if not mathdata[pmp] then
+ if trace_loading then
+ logs.report("load otf", "setting math parameter '%s' to 0", pmp)
+ end
+ mathdata[pmp] = 0
+ end
+ end
+ end
+end
+
otf.enhancers["flatten glyph lookups"] = function(data,filename)
for k, v in next, data.glyphs do
if v.lookups then
@@ -1505,8 +1530,6 @@ function otf.copy_to_tfm(data,cache_id) -- we can save a copy when we reorder th
tfm.cidinfo = data.cidinfo
tfm.cidinfo.registry = tfm.cidinfo.registry or ""
tfm.type = "real"
- tfm.stretch = 0 -- stretch
- tfm.slant = 0 -- slant
tfm.direction = 0
tfm.boundarychar_label = 0
tfm.boundarychar = 65536
diff --git a/otfl-font-otn.lua b/otfl-font-otn.lua
index fb04b36..e58d773 100644
--- a/otfl-font-otn.lua
+++ b/otfl-font-otn.lua
@@ -327,6 +327,7 @@ local function toligature(kind,lookupname,start,stop,char,markflag,discfound) --
next.prev = lignode
end
lignode.next, lignode.prev = next, prev
+ start = lignode
-- print("start->end",nodes.tosequence(start))
else -- start is the ligature
local deletemarks = markflag ~= "mark"
@@ -456,7 +457,8 @@ end
function handlers.gsub_ligature(start,kind,lookupname,ligature,sequence) --or maybe pass lookup ref
local s, stop, discfound = start.next, nil, false
- if marks[start.char] then
+ local startchar = start.char
+ if marks[startchar] then
while s do
local id = s.id
if id == glyph and s.subtype<256 then
@@ -479,7 +481,7 @@ function handlers.gsub_ligature(start,kind,lookupname,ligature,sequence) --or ma
end
if stop and ligature[2] then
if trace_ligatures then
- local startchar, stopchar = start.char, stop.char
+ local stopchar = stop.char
start = markstoligature(kind,lookupname,start,stop,ligature[2])
logprocess("%s: replacing %s upto %s by ligature %s",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(start.char))
else
@@ -518,7 +520,7 @@ function handlers.gsub_ligature(start,kind,lookupname,ligature,sequence) --or ma
end
if stop and ligature[2] then
if trace_ligatures then
- local startchar, stopchar = start.char, stop.char
+ local stopchar = stop.char
start = toligature(kind,lookupname,start,stop,ligature[2],skipmark,discfound)
logprocess("%s: replacing %s upto %s by ligature %s",pref(kind,lookupname),gref(startchar),gref(stopchar),gref(start.char))
else
diff --git a/otfl-font-tfm.lua b/otfl-font-tfm.lua
index efea9de..2ab28c7 100644
--- a/otfl-font-tfm.lua
+++ b/otfl-font-tfm.lua
@@ -234,6 +234,7 @@ function tfm.do_scale(tfmtable, scaledpoints)
scaledpoints = (- scaledpoints/1000) * tfmtable.designsize -- already in sp
end
local delta = scaledpoints/(tfmtable.units or 1000) -- brr, some open type fonts have 2048
+ local hdelta, vdelta = delta, delta
local t = { }
-- unicoded unique descriptions shared cidinfo characters changed parameters indices
for k,v in next, tfmtable do
@@ -243,6 +244,19 @@ function tfm.do_scale(tfmtable, scaledpoints)
t[k] = v
end
end
+ local extend_factor = tfmtable.extend_factor or 0
+ if extend_factor ~= 0 and extend_factor ~= 1 then
+ hdelta = hdelta * extend_factor
+ t.extend = extend_factor * 1000
+ else
+ t.extend = 1000
+ end
+ local slant_factor = tfmtable.slant_factor or 0
+ if slant_factor ~= 0 then
+ t.slant = slant_factor * 1000
+ else
+ t.slant = 0
+ end
-- status
local isvirtual = tfmtable.type == "virtual" or tfmtable.virtualized
local hasmath = (tfmtable.math_parameters ~= nil and next(tfmtable.math_parameters) ~= nil) or (tfmtable.MathConstants ~= nil and next(tfmtable.MathConstants) ~= nil)
@@ -270,12 +284,12 @@ t.colorscheme = tfmtable.colorscheme
local tfmp = tfmtable.parameters -- let's check for indexes
--
tp.slant = (tfmp.slant or tfmp[1] or 0)
- tp.space = (tfmp.space or tfmp[2] or 0)*delta
- tp.space_stretch = (tfmp.space_stretch or tfmp[3] or 0)*delta
- tp.space_shrink = (tfmp.space_shrink or tfmp[4] or 0)*delta
- tp.x_height = (tfmp.x_height or tfmp[5] or 0)*delta
- tp.quad = (tfmp.quad or tfmp[6] or 0)*delta
- tp.extra_space = (tfmp.extra_space or tfmp[7] or 0)*delta
+ tp.space = (tfmp.space or tfmp[2] or 0)*hdelta
+ tp.space_stretch = (tfmp.space_stretch or tfmp[3] or 0)*hdelta
+ tp.space_shrink = (tfmp.space_shrink or tfmp[4] or 0)*hdelta
+ tp.x_height = (tfmp.x_height or tfmp[5] or 0)*vdelta
+ tp.quad = (tfmp.quad or tfmp[6] or 0)*hdelta
+ tp.extra_space = (tfmp.extra_space or tfmp[7] or 0)*hdelta
local protrusionfactor = (tp.quad ~= 0 and 1000/tp.quad) or 0
local tc = t.characters
local characters = tfmtable.characters
@@ -292,11 +306,11 @@ t.colorscheme = tfmtable.colorscheme
local sharedkerns, basekerns = tfm.check_base_kerns(tfmtable)
-- loop over descriptions (afm and otf have descriptions, tfm not)
-- there is no need (yet) to assign a value to chr.tonunicode
- local scaledwidth = defaultwidth * delta
- local scaledheight = defaultheight * delta
- local scaleddepth = defaultdepth * delta
+ local scaledwidth = defaultwidth * hdelta
+ local scaledheight = defaultheight * vdelta
+ local scaleddepth = defaultdepth * vdelta
local stackmath = tfmtable.ignore_stack_math ~= true
-local private = fonts.private
+ local private = fonts.private
for k,v in next, characters do
local chr, description, index
if ischanged then
@@ -317,9 +331,9 @@ local private = fonts.private
local width = description.width
local height = description.height
local depth = description.depth
- if width then width = delta*width else width = scaledwidth end
- if height then height = delta*height else height = scaledheight end
- -- if depth then depth = delta*depth else depth = scaleddepth end
+ if width then width = hdelta*width else width = scaledwidth end
+ if height then height = vdelta*height else height = scaledheight end
+ -- if depth then depth = vdelta*depth else depth = scaleddepth end
if depth and depth ~= 0 then
depth = delta*depth
if nameneeded then
@@ -383,7 +397,7 @@ local private = fonts.private
if hasitalic then
local vi = description.italic or v.italic
if vi and vi ~= 0 then
- chr.italic = vi*delta
+ chr.italic = vi*hdelta
end
end
-- to be tested
@@ -399,19 +413,19 @@ local private = fonts.private
for i=1,#vv do
local vvi = vv[i]
t[i] = {
- ["start"] = (vvi["start"] or 0)*delta,
- ["end"] = (vvi["end"] or 0)*delta,
- ["advance"] = (vvi["advance"] or 0)*delta,
+ ["start"] = (vvi["start"] or 0)*vdelta,
+ ["end"] = (vvi["end"] or 0)*vdelta,
+ ["advance"] = (vvi["advance"] or 0)*vdelta,
["extender"] = vvi["extender"],
["glyph"] = vvi["glyph"],
}
end
chr.vert_variants = t
---~ local ic = v.vert_italic_correction
---~ if ic then
---~ chr.italic = ic * delta
---~ print(format("0x%05X -> %s",k,chr.italic))
---~ end
+ --~ local ic = v.vert_italic_correction
+ --~ if ic then
+ --~ chr.italic = ic * hdelta
+ --~ print(format("0x%05X -> %s",k,chr.italic))
+ --~ end
else
local hv = v.horiz_variants
if hv then
@@ -419,9 +433,9 @@ local private = fonts.private
for i=1,#hv do
local hvi = hv[i]
t[i] = {
- ["start"] = (hvi["start"] or 0)*delta,
- ["end"] = (hvi["end"] or 0)*delta,
- ["advance"] = (hvi["advance"] or 0)*delta,
+ ["start"] = (hvi["start"] or 0)*hdelta,
+ ["end"] = (hvi["end"] or 0)*hdelta,
+ ["advance"] = (hvi["advance"] or 0)*hdelta,
["extender"] = hvi["extender"],
["glyph"] = hvi["glyph"],
}
@@ -432,31 +446,23 @@ local private = fonts.private
end
local vt = description.top_accent
if vt then
- chr.top_accent = delta*vt
+ chr.top_accent = vdelta*vt
end
if stackmath then
local mk = v.mathkerns
if mk then
local kerns = { }
- -- for k, v in next, mk do
- -- local kk = { }
- -- for i=1,#v do
- -- local vi = v[i]
- -- kk[i] = { height = delta*vi.height, kern = delta*vi.kern }
- -- end
- -- kerns[k] = kk
- -- end
local v = mk.top_right if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = delta*vi.height, kern = delta*vi.kern }
+ k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
end kerns.top_right = k end
local v = mk.top_left if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = delta*vi.height, kern = delta*vi.kern }
+ k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
end kerns.top_left = k end
local v = mk.bottom_left if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = delta*vi.height, kern = delta*vi.kern }
+ k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
end kerns.bottom_left = k end
local v = mk.bottom_right if v then local k = { } for i=1,#v do local vi = v[i]
- k[i] = { height = delta*vi.height, kern = delta*vi.kern }
+ k[i] = { height = vdelta*vi.height, kern = vdelta*vi.kern }
end kerns.bottom_right = k end
chr.mathkern = kerns -- singular
end
@@ -469,13 +475,13 @@ local private = fonts.private
local base = basekerns[vk] -- hashed by table id, not content
if not base then
base = {}
- for k,v in next, vk do base[k] = v*delta end
+ for k,v in next, vk do base[k] = v*hdelta end
basekerns[vk] = base
end
chr.kerns = base
else
local tt = {}
- for k,v in next, vk do tt[k] = v*delta end
+ for k,v in next, vk do tt[k] = v*hdelta end
chr.kerns = tt
end
end
@@ -509,8 +515,10 @@ local private = fonts.private
for i=1,#vc do
local ivc = vc[i]
local key = ivc[1]
- if key == "right" or key == "down" then
- tt[#tt+1] = { key, ivc[2]*delta }
+ if key == "right" then
+ tt[#tt+1] = { key, ivc[2]*hdelta }
+ elseif key == "down" then
+ tt[#tt+1] = { key, ivc[2]*vdelta }
else -- not comment
tt[#tt+1] = ivc -- shared since in cache and untouched
end
@@ -522,13 +530,12 @@ local private = fonts.private
end
end
tc[k] = chr
---~ if k == 0x222B then
---~ print(t.fontname,table.serialize(chr))
---~ end
end
-- t.encodingbytes, t.filename, t.fullname, t.name: elsewhere
t.size = scaledpoints
t.factor = delta
+ t.hfactor = hdelta
+ t.vfactor = vdelta
if t.fonts then
t.fonts = table.fastcopy(t.fonts) -- maybe we virtualize more afterwards
end
@@ -536,7 +543,7 @@ local private = fonts.private
-- mathematics.extras.copy(t) -- can be done elsewhere if needed
local ma = tfm.mathactions
for i=1,#ma do
- ma[i](t,tfmtable,delta)
+ ma[i](t,tfmtable,delta,hdelta,vdelta) -- what delta?
end
end
-- needed for \high cum suis
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-31 03:36:57 +0000