diff options
Diffstat (limited to 'src/fontloader/misc/fontloader-font-otf.lua')
| -rw-r--r-- | src/fontloader/misc/fontloader-font-otf.lua | 343 |
1 files changed, 206 insertions, 137 deletions
diff --git a/src/fontloader/misc/fontloader-font-otf.lua b/src/fontloader/misc/fontloader-font-otf.lua index 85eebaa..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 @@ -699,6 +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 @@ -722,81 +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 @@ -809,87 +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 @@ -974,8 +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 @@ -991,7 +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 |