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path: root/src/fontloader/misc/fontloader-font-map.lua
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Diffstat (limited to 'src/fontloader/misc/fontloader-font-map.lua')
-rw-r--r--src/fontloader/misc/fontloader-font-map.lua100
1 files changed, 64 insertions, 36 deletions
diff --git a/src/fontloader/misc/fontloader-font-map.lua b/src/fontloader/misc/fontloader-font-map.lua
index 7f3b0f9..e2254f8 100644
--- a/src/fontloader/misc/fontloader-font-map.lua
+++ b/src/fontloader/misc/fontloader-font-map.lua
@@ -12,6 +12,7 @@ local match, format, find, concat, gsub, lower = string.match, string.format, st
local P, R, S, C, Ct, Cc, lpegmatch = lpeg.P, lpeg.R, lpeg.S, lpeg.C, lpeg.Ct, lpeg.Cc, lpeg.match
local floor = math.floor
local formatters = string.formatters
+local sortedhash, sortedkeys = table.sortedhash, table.sortedkeys
local trace_loading = false trackers.register("fonts.loading", function(v) trace_loading = v end)
local trace_mapping = false trackers.register("fonts.mapping", function(v) trace_mapping = v end)
@@ -236,30 +237,37 @@ local namesplitter = Ct(C((1 - ligseparator - varseparator)^1) * (ligseparator *
-- to be completed .. for fonts that use unicodes for ligatures which
-- is a actually a bad thing and should be avoided in the first place
-local overloads = allocate {
- IJ = { name = "I_J", unicode = { 0x49, 0x4A }, mess = 0x0132 },
- ij = { name = "i_j", unicode = { 0x69, 0x6A }, mess = 0x0133 },
- ff = { name = "f_f", unicode = { 0x66, 0x66 }, mess = 0xFB00 },
- fi = { name = "f_i", unicode = { 0x66, 0x69 }, mess = 0xFB01 },
- fl = { name = "f_l", unicode = { 0x66, 0x6C }, mess = 0xFB02 },
- ffi = { name = "f_f_i", unicode = { 0x66, 0x66, 0x69 }, mess = 0xFB03 },
- ffl = { name = "f_f_l", unicode = { 0x66, 0x66, 0x6C }, mess = 0xFB04 },
- fj = { name = "f_j", unicode = { 0x66, 0x6A } },
- fk = { name = "f_k", unicode = { 0x66, 0x6B } },
-}
-
-for k, v in next, overloads do
- local name = v.name
- local mess = v.mess
- if name then
- overloads[name] = v
- end
- if mess then
- overloads[mess] = v
+do
+
+ local overloads = allocate {
+ IJ = { name = "I_J", unicode = { 0x49, 0x4A }, mess = 0x0132 },
+ ij = { name = "i_j", unicode = { 0x69, 0x6A }, mess = 0x0133 },
+ ff = { name = "f_f", unicode = { 0x66, 0x66 }, mess = 0xFB00 },
+ fi = { name = "f_i", unicode = { 0x66, 0x69 }, mess = 0xFB01 },
+ fl = { name = "f_l", unicode = { 0x66, 0x6C }, mess = 0xFB02 },
+ ffi = { name = "f_f_i", unicode = { 0x66, 0x66, 0x69 }, mess = 0xFB03 },
+ ffl = { name = "f_f_l", unicode = { 0x66, 0x66, 0x6C }, mess = 0xFB04 },
+ fj = { name = "f_j", unicode = { 0x66, 0x6A } },
+ fk = { name = "f_k", unicode = { 0x66, 0x6B } },
+ }
+
+ local o = { }
+
+ for k, v in next, overloads do
+ local name = v.name
+ local mess = v.mess
+ if name then
+ o[name] = v
+ end
+ if mess then
+ o[mess] = v
+ end
+ o[k] = v
end
-end
-mappings.overloads = overloads
+ mappings.overloads = o
+
+end
function mappings.addtounicode(data,filename,checklookups)
local resources = data.resources
@@ -272,6 +280,7 @@ function mappings.addtounicode(data,filename,checklookups)
end
local properties = data.properties
local descriptions = data.descriptions
+ local overloads = mappings.overloads
-- we need to move this code
unicodes['space'] = unicodes['space'] or 32
unicodes['hyphen'] = unicodes['hyphen'] or 45
@@ -290,17 +299,25 @@ function mappings.addtounicode(data,filename,checklookups)
local usedmap = cidinfo and fonts.cid.getmap(cidinfo)
local uparser = makenameparser() -- hm, every time?
if usedmap then
- oparser = usedmap and makenameparser(cidinfo.ordering)
- cidnames = usedmap.names
- cidcodes = usedmap.unicodes
+ oparser = usedmap and makenameparser(cidinfo.ordering)
+ cidnames = usedmap.names
+ cidcodes = usedmap.unicodes
end
- local ns = 0
- local nl = 0
+ local ns = 0
+ local nl = 0
+ --
+ -- in order to avoid differences between runs due to hash randomization we
+ -- run over a sorted list
--
- for du, glyph in next, descriptions do
- local name = glyph.name
+ local dlist = sortedkeys(descriptions)
+ --
+ -- for du, glyph in next, descriptions do
+ for i=1,#dlist do
+ local du = dlist[i]
+ local glyph = descriptions[du]
+ local name = glyph.name
if name then
- local overload = overloads[name]
+ local overload = overloads[name] or overloads[du]
if overload then
-- get rid of weird ligatures
-- glyph.name = overload.name
@@ -436,6 +453,11 @@ function mappings.addtounicode(data,filename,checklookups)
end
end
end
+ else
+ local overload = overloads[du]
+ if overload then
+ glyph.unicode = overload.unicode
+ end
end
end
if type(checklookups) == "function" then
@@ -446,7 +468,10 @@ function mappings.addtounicode(data,filename,checklookups)
local collected = false
local unicoded = 0
- for unicode, glyph in next, descriptions do
+ -- for du, glyph in next, descriptions do
+ for i=1,#dlist do
+ local du = dlist[i]
+ local glyph = descriptions[du]
if glyph.class == "ligature" and (force_ligatures or not glyph.unicode) then
if not collected then
collected = fonts.handlers.otf.readers.getcomponents(data)
@@ -454,7 +479,7 @@ function mappings.addtounicode(data,filename,checklookups)
break
end
end
- local u = collected[unicode] -- always tables
+ local u = collected[du] -- always tables
if u then
local n = #u
for i=1,n do
@@ -478,7 +503,10 @@ function mappings.addtounicode(data,filename,checklookups)
report_fonts("%n ligature tounicode mappings deduced from gsub ligature features",unicoded)
end
if trace_mapping then
- for unic, glyph in table.sortedhash(descriptions) do
+ -- for unic, glyph in sortedhash(descriptions) do
+ for i=1,#dlist do
+ local du = dlist[i]
+ local glyph = descriptions[du]
local name = glyph.name or "-"
local index = glyph.index or 0
local unicode = glyph.unicode
@@ -488,12 +516,12 @@ function mappings.addtounicode(data,filename,checklookups)
for i=1,#unicode do
unicodes[i] = formatters("%U",unicode[i])
end
- report_fonts("internal slot %U, name %a, unicode %U, tounicode % t",index,name,unic,unicodes)
+ report_fonts("internal slot %U, name %a, unicode %U, tounicode % t",index,name,du,unicodes)
else
- report_fonts("internal slot %U, name %a, unicode %U, tounicode %U",index,name,unic,unicode)
+ report_fonts("internal slot %U, name %a, unicode %U, tounicode %U",index,name,du,unicode)
end
else
- report_fonts("internal slot %U, name %a, unicode %U",index,name,unic)
+ report_fonts("internal slot %U, name %a, unicode %U",index,name,du)
end
end
end