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Diffstat (limited to 'src/fontloader/misc/fontloader-font-otf.lua')
-rw-r--r--src/fontloader/misc/fontloader-font-otf.lua376
1 files changed, 228 insertions, 148 deletions
diff --git a/src/fontloader/misc/fontloader-font-otf.lua b/src/fontloader/misc/fontloader-font-otf.lua
index c7e83a4..e7a97c6 100644
--- a/src/fontloader/misc/fontloader-font-otf.lua
+++ b/src/fontloader/misc/fontloader-font-otf.lua
@@ -36,6 +36,7 @@ local elapsedtime = statistics.elapsedtime
local findbinfile = resolvers.findbinfile
local trace_private = false registertracker("otf.private", function(v) trace_private = v end)
+local trace_subfonts = false registertracker("otf.subfonts", function(v) trace_subfonts = v end)
local trace_loading = false registertracker("otf.loading", function(v) trace_loading = v end)
local trace_features = false registertracker("otf.features", function(v) trace_features = v end)
local trace_dynamics = false registertracker("otf.dynamics", function(v) trace_dynamics = v end)
@@ -53,7 +54,7 @@ local otf = fonts.handlers.otf
otf.glists = { "gsub", "gpos" }
-otf.version = 2.803 -- beware: also sync font-mis.lua
+otf.version = 2.812 -- beware: also sync font-mis.lua
otf.cache = containers.define("fonts", "otf", otf.version, true)
local hashes = fonts.hashes
@@ -107,6 +108,7 @@ registerdirective("fonts.otf.loader.pack", function(v) packdata =
registerdirective("fonts.otf.loader.syncspace", function(v) syncspace = v end)
registerdirective("fonts.otf.loader.forcenotdef", function(v) forcenotdef = v end)
registerdirective("fonts.otf.loader.overloadkerns", function(v) overloadkerns = v end)
+-----------------("fonts.otf.loader.alldimensions", function(v) alldimensions = v end)
function otf.fileformat(filename)
local leader = lower(io.loadchunk(filename,4))
@@ -637,17 +639,27 @@ actions["add dimensions"] = function(data,filename)
-- d.name = ".notdef"
-- end
if bb then
- local ht, dp = bb[4], -bb[2]
- if ht == 0 or ht < 0 then
- -- not set
- else
- d.height = ht
- end
- if dp == 0 or dp < 0 then
- -- not set
- else
- d.depth = dp
- end
+ local ht = bb[4]
+ local dp = -bb[2]
+ -- if alldimensions then
+ -- if ht ~= 0 then
+ -- d.height = ht
+ -- end
+ -- if dp ~= 0 then
+ -- d.depth = dp
+ -- end
+ -- else
+ if ht == 0 or ht < 0 then
+ -- not set
+ else
+ d.height = ht
+ end
+ if dp == 0 or dp < 0 then
+ -- not set
+ else
+ d.depth = dp
+ end
+ -- end
end
end
end
@@ -688,6 +700,7 @@ end
-- not setting hasitalics and class (when nil) during table cronstruction can save some mem
actions["prepare glyphs"] = function(data,filename,raw)
+ local tableversion = tonumber(raw.table_version) or 0
local rawglyphs = raw.glyphs
local rawsubfonts = raw.subfonts
local rawcidinfo = raw.cidinfo
@@ -711,81 +724,139 @@ actions["prepare glyphs"] = function(data,filename,raw)
local cidmap = fonts.cid.getmap(rawcidinfo)
if cidmap then
rawcidinfo.usedname = cidmap.usedname
- local nofnames, nofunicodes = 0, 0
- local cidunicodes, cidnames = cidmap.unicodes, cidmap.names
+ local nofnames = 0
+ local nofunicodes = 0
+ local cidunicodes = cidmap.unicodes
+ local cidnames = cidmap.names
+ local cidtotal = 0
+ local unique = trace_subfonts and { }
for cidindex=1,#rawsubfonts do
local subfont = rawsubfonts[cidindex]
local cidglyphs = subfont.glyphs
if includesubfonts then
metadata.subfonts[cidindex] = somecopy(subfont)
end
- -- we have delayed loading so we cannot use next
- for index=0,subfont.glyphcnt-1 do -- we could take the previous glyphcnt instead of 0
- local glyph = cidglyphs[index]
- if glyph then
- local unicode = glyph.unicode
- if unicode >= 0x00E000 and unicode <= 0x00F8FF then
- unicode = -1
- elseif unicode >= 0x0F0000 and unicode <= 0x0FFFFD then
- unicode = -1
- elseif unicode >= 0x100000 and unicode <= 0x10FFFD then
- unicode = -1
- end
- local name = glyph.name or cidnames[index]
- if not unicode or unicode == -1 then -- or unicode >= criterium then
- unicode = cidunicodes[index]
- end
- if unicode and descriptions[unicode] then
- if trace_private then
- report_otf("preventing glyph %a at index %H to overload unicode %U",name or "noname",index,unicode)
+ local cidcnt, cidmin, cidmax
+ if tableversion > 0.3 then
+ -- we have delayed loading so we cannot use next
+ cidcnt = subfont.glyphcnt
+ cidmin = subfont.glyphmin
+ cidmax = subfont.glyphmax
+ else
+ cidcnt = subfont.glyphcnt
+ cidmin = 0
+ cidmax = cidcnt - 1
+ end
+ if trace_subfonts then
+ local cidtot = cidmax - cidmin + 1
+ cidtotal = cidtotal + cidtot
+ report_otf("subfont: %i, min: %i, max: %i, cnt: %i, n: %i",cidindex,cidmin,cidmax,cidtot,cidcnt)
+ end
+ if cidcnt > 0 then
+ for cidslot=cidmin,cidmax do
+ local glyph = cidglyphs[cidslot]
+ if glyph then
+ local index = tableversion > 0.3 and glyph.orig_pos or cidslot
+ if trace_subfonts then
+ unique[index] = true
end
- unicode = -1
- end
- if not unicode or unicode == -1 then -- or unicode >= criterium then
- if not name then
- name = format("u%06X.ctx",private)
+ local unicode = glyph.unicode
+ if unicode >= 0x00E000 and unicode <= 0x00F8FF then
+ unicode = -1
+ elseif unicode >= 0x0F0000 and unicode <= 0x0FFFFD then
+ unicode = -1
+ elseif unicode >= 0x100000 and unicode <= 0x10FFFD then
+ unicode = -1
end
- unicode = private
- unicodes[name] = private
- if trace_private then
- report_otf("glyph %a at index %H is moved to private unicode slot %U",name,index,private)
+ local name = glyph.name or cidnames[index]
+ if not unicode or unicode == -1 then -- or unicode >= criterium then
+ unicode = cidunicodes[index]
end
- private = private + 1
- nofnames = nofnames + 1
- else
- -- if unicode > criterium then
- -- local taken = descriptions[unicode]
- -- if taken then
- -- private = private + 1
- -- descriptions[private] = taken
- -- unicodes[taken.name] = private
- -- indices[taken.index] = private
- -- if trace_private then
- -- report_otf("slot %U is moved to %U due to private in font",unicode)
- -- end
- -- end
- -- end
- if not name then
- name = format("u%06X.ctx",unicode)
+ if unicode and descriptions[unicode] then
+ if trace_private then
+ report_otf("preventing glyph %a at index %H to overload unicode %U",name or "noname",index,unicode)
+ end
+ unicode = -1
+ end
+ if not unicode or unicode == -1 then -- or unicode >= criterium then
+ if not name then
+ name = format("u%06X.ctx",private)
+ end
+ unicode = private
+ unicodes[name] = private
+ if trace_private then
+ report_otf("glyph %a at index %H is moved to private unicode slot %U",name,index,private)
+ end
+ private = private + 1
+ nofnames = nofnames + 1
+ else
+ -- if unicode > criterium then
+ -- local taken = descriptions[unicode]
+ -- if taken then
+ -- private = private + 1
+ -- descriptions[private] = taken
+ -- unicodes[taken.name] = private
+ -- indices[taken.index] = private
+ -- if trace_private then
+ -- report_otf("slot %U is moved to %U due to private in font",unicode)
+ -- end
+ -- end
+ -- end
+ if not name then
+ name = format("u%06X.ctx",unicode)
+ end
+ unicodes[name] = unicode
+ nofunicodes = nofunicodes + 1
end
- unicodes[name] = unicode
- nofunicodes = nofunicodes + 1
+ indices[index] = unicode -- each index is unique (at least now)
+ local description = {
+ -- width = glyph.width,
+ boundingbox = glyph.boundingbox,
+ -- name = glyph.name or name or "unknown", -- uniXXXX
+ name = name or "unknown", -- uniXXXX
+ cidindex = cidindex,
+ index = cidslot,
+ glyph = glyph,
+ }
+ descriptions[unicode] = description
+local altuni = glyph.altuni
+if altuni then
+ -- local d
+ for i=1,#altuni do
+ local a = altuni[i]
+ local u = a.unicode
+ if u ~= unicode then
+ local v = a.variant
+ if v then
+ -- tricky: no addition to d? needs checking but in practice such dups are either very simple
+ -- shapes or e.g cjk with not that many features
+ local vv = variants[v]
+ if vv then
+ vv[u] = unicode
+ else -- xits-math has some:
+ vv = { [u] = unicode }
+ variants[v] = vv
+ end
+ -- elseif d then
+ -- d[#d+1] = u
+ -- else
+ -- d = { u }
+ end
+ end
+ end
+ -- if d then
+ -- duplicates[unicode] = d -- is this needed ?
+ -- end
+end
end
- indices[index] = unicode -- each index is unique (at least now)
- local description = {
- -- width = glyph.width,
- boundingbox = glyph.boundingbox,
- name = glyph.name or name or "unknown", -- uniXXXX
- cidindex = cidindex,
- index = index,
- glyph = glyph,
- }
- descriptions[unicode] = description
- else
- -- report_otf("potential problem: glyph %U is used but empty",index)
end
+ else
+ report_otf("potential problem: no glyphs found in subfont %i",cidindex)
end
end
+ if trace_subfonts then
+ report_otf("nofglyphs: %i, unique: %i",cidtotal,table.count(unique))
+ end
if trace_loading then
report_otf("cid font remapped, %s unicode points, %s symbolic names, %s glyphs",nofunicodes, nofnames, nofunicodes+nofnames)
end
@@ -798,87 +869,97 @@ actions["prepare glyphs"] = function(data,filename,raw)
else
- for index=0,raw.glyphcnt-1 do -- not raw.glyphmax-1 (as that will crash)
- local glyph = rawglyphs[index]
- if glyph then
- local unicode = glyph.unicode
- local name = glyph.name
- if not unicode or unicode == -1 then -- or unicode >= criterium then
- unicode = private
- unicodes[name] = private
- if trace_private then
- report_otf("glyph %a at index %H is moved to private unicode slot %U",name,index,private)
- end
- private = private + 1
- else
- -- We have a font that uses and exposes the private area. As this is rather unreliable it's
- -- advised no to trust slots here (better use glyphnames). Anyway, we need a double check:
- -- we need to move already moved entries and we also need to bump the next private to after
- -- the (currently) last slot. This could leave us with a hole but we have holes anyway.
- if unicode > criterium then
- -- \definedfont[file:HANBatang-LVT.ttf] \fontchar{uF0135} \char"F0135
- local taken = descriptions[unicode]
- if taken then
- if unicode >= private then
- private = unicode + 1 -- restart private (so we can have mixed now)
+ local cnt = raw.glyphcnt or 0
+ local min = tableversion > 0.3 and raw.glyphmin or 0
+ local max = tableversion > 0.3 and raw.glyphmax or (raw.glyphcnt - 1)
+ if cnt > 0 then
+-- for index=0,cnt-1 do
+ for index=min,max do
+ local glyph = rawglyphs[index]
+ if glyph then
+ local unicode = glyph.unicode
+ local name = glyph.name
+ if not unicode or unicode == -1 then -- or unicode >= criterium then
+ unicode = private
+ unicodes[name] = private
+ if trace_private then
+ report_otf("glyph %a at index %H is moved to private unicode slot %U",name,index,private)
+ end
+ private = private + 1
+ else
+ -- We have a font that uses and exposes the private area. As this is rather unreliable it's
+ -- advised no to trust slots here (better use glyphnames). Anyway, we need a double check:
+ -- we need to move already moved entries and we also need to bump the next private to after
+ -- the (currently) last slot. This could leave us with a hole but we have holes anyway.
+ if unicode > criterium then
+ -- \definedfont[file:HANBatang-LVT.ttf] \fontchar{uF0135} \char"F0135
+ local taken = descriptions[unicode]
+ if taken then
+ if unicode >= private then
+ private = unicode + 1 -- restart private (so we can have mixed now)
+ else
+ private = private + 1 -- move on
+ end
+ descriptions[private] = taken
+ unicodes[taken.name] = private
+ indices[taken.index] = private
+ if trace_private then
+ report_otf("slot %U is moved to %U due to private in font",unicode)
+ end
else
- private = private + 1 -- move on
- end
- descriptions[private] = taken
- unicodes[taken.name] = private
- indices[taken.index] = private
- if trace_private then
- report_otf("slot %U is moved to %U due to private in font",unicode)
- end
- else
- if unicode >= private then
- private = unicode + 1 -- restart (so we can have mixed now)
+ if unicode >= private then
+ private = unicode + 1 -- restart (so we can have mixed now)
+ end
end
end
+ unicodes[name] = unicode
end
- unicodes[name] = unicode
- end
- indices[index] = unicode
- -- if not name then
- -- name = format("u%06X",unicode) -- u%06X.ctx
- -- end
- descriptions[unicode] = {
- -- width = glyph.width,
- boundingbox = glyph.boundingbox,
- name = name,
- index = index,
- glyph = glyph,
- }
- local altuni = glyph.altuni
- if altuni then
- -- local d
- for i=1,#altuni do
- local a = altuni[i]
- local u = a.unicode
- local v = a.variant
- if v then
- -- tricky: no addition to d? needs checking but in practice such dups are either very simple
- -- shapes or e.g cjk with not that many features
- local vv = variants[v]
- if vv then
- vv[u] = unicode
- else -- xits-math has some:
- vv = { [u] = unicode }
- variants[v] = vv
+ indices[index] = unicode
+ -- if not name then
+ -- name = format("u%06X",unicode) -- u%06X.ctx
+ -- end
+ descriptions[unicode] = {
+ -- width = glyph.width,
+ boundingbox = glyph.boundingbox,
+ name = name,
+ index = index,
+ glyph = glyph,
+ }
+ local altuni = glyph.altuni
+ if altuni then
+ -- local d
+ for i=1,#altuni do
+ local a = altuni[i]
+ local u = a.unicode
+ if u ~= unicode then
+ local v = a.variant
+ if v then
+ -- tricky: no addition to d? needs checking but in practice such dups are either very simple
+ -- shapes or e.g cjk with not that many features
+ local vv = variants[v]
+ if vv then
+ vv[u] = unicode
+ else -- xits-math has some:
+ vv = { [u] = unicode }
+ variants[v] = vv
+ end
+ -- elseif d then
+ -- d[#d+1] = u
+ -- else
+ -- d = { u }
+ end
end
- -- elseif d then
- -- d[#d+1] = u
- -- else
- -- d = { u }
end
+ -- if d then
+ -- duplicates[unicode] = d -- is this needed ?
+ -- end
end
- -- if d then
- -- duplicates[unicode] = d -- is this needed ?
- -- end
+ else
+ report_otf("potential problem: glyph %U is used but empty",index)
end
- else
- report_otf("potential problem: glyph %U is used but empty",index)
end
+ else
+ report_otf("potential problem: no glyphs found")
end
end
@@ -963,8 +1044,8 @@ actions["check encoding"] = function(data,filename,raw)
end
if mapdata then
- mapdata.map = { } -- clear some memory
- mapdata.backmap = { } -- clear some memory
+ mapdata.map = { } -- clear some memory (virtual and created each time anyway)
+ mapdata.backmap = { } -- clear some memory (virtual and created each time anyway)
end
end
@@ -980,7 +1061,6 @@ actions["add duplicates"] = function(data,filename,raw)
local unicodes = resources.unicodes -- name to unicode
local indices = resources.indices -- index to unicodes
local duplicates = resources.duplicates
-
for unicode, d in next, duplicates do
local nofduplicates = #d
if nofduplicates > 4 then