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authorNorbert Preining <preining@logic.at>2012-04-24 00:13:14 +0000
committerNorbert Preining <preining@logic.at>2012-04-24 00:13:14 +0000
commit8f29bdce0bdd08ec81df555e98692d1f288c3289 (patch)
treec4f9a6b00a587f635e55fc4068c1961780c90591 /Master/texmf-dist/tex/luatex/luatexja/ltj-rmlgbm.lua
parent74e624196144ae218a63a4c35672fc7a0e7b18dc (diff)
new package luatexja (24apr)
adapt ctan2tds to deal with it git-svn-id: svn://tug.org/texlive/trunk@26115 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/luatex/luatexja/ltj-rmlgbm.lua')
-rw-r--r--Master/texmf-dist/tex/luatex/luatexja/ltj-rmlgbm.lua166
1 files changed, 166 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/luatex/luatexja/ltj-rmlgbm.lua b/Master/texmf-dist/tex/luatex/luatexja/ltj-rmlgbm.lua
new file mode 100644
index 00000000000..006d559454d
--- /dev/null
+++ b/Master/texmf-dist/tex/luatex/luatexja/ltj-rmlgbm.lua
@@ -0,0 +1,166 @@
+--
+-- luatexja/rmlgbm.lua
+--
+luatexbase.provides_module({
+ name = 'luatexja.rmlgbm',
+ date = '2012/04/21',
+ version = '0.3',
+ description = 'Definitions of non-embedded Japanese (or other CJK) fonts',
+})
+module('luatexja.rmlgbm', package.seeall)
+local err, warn, info, log = luatexbase.errwarinf(_NAME)
+
+luatexja.load_module('base'); local ltjb = luatexja.base
+
+local round = tex.round
+local cidfont_data = {}
+local cache_chars = {}
+local taux_dir = 'luatex-cache/luatexja'
+local path = {
+ localdir = file.join(kpse.expand_var("$TEXMFVAR"), aux_dir),
+ systemdir = file.join(kpse.expand_var("$TEXMFSYSVAR"), aux_dir),
+}
+
+--
+local function read_cid_font(cid_name)
+ local v = "ltj-cid-" .. string.lower(cid_name) .. ".lua"
+ local localpath = file.join(path.localdir, v)
+ local systempath = file.join(path.systemdir, v)
+ local kpsefound = kpse.find_file(v)
+ if kpsefound and file.isreadable(kpsefound) then
+ cidfont_data[cid_name] = require(kpsefound)
+ cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
+ return
+ elseif file.isreadable(localpath) then
+ cidfont_data[cid_name] = require(localpath)
+ cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
+ return
+ elseif file.isreadable(systempath) then
+ cidfont_data[cid_name] = require(systempath)
+ cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
+ return
+ end
+ --
+end
+
+-- High-level
+local function mk_rml(name, size, id, cid_name)
+ local specification = fonts.define.analyze(name,size)
+ specification = fonts.define.specify[':'](specification)
+ local features = specification.features.normal
+
+ local fontdata = {}
+ local cachedata = {}
+ local s = cidfont_data[cid_name]
+ for k, v in pairs(s) do
+ fontdata[k] = v
+ cachedata[k] = v
+ end
+ fontdata.characters = nil
+ cachedata.characters = nil
+ fontdata.unicodes = nil
+ fontdata.shared = nil
+ cachedata.shared = nil
+ if s.shared then
+ cachedata.shared = {}
+ local shared = cachedata.shared
+ for k, v in pairs(s.shared) do
+ shared[k] = v
+ end
+
+ shared.set_dynamics = fonts.otf.set_dynamics
+ shared.processes, shared.features = fonts.otf.set_features(cachedata,fonts.define.check(features,fonts.otf.features.default))
+ end
+
+ -- characters & scaling
+ if size < 0 then size = -size * 655.36 end
+ local scale = size / 655360
+ local def_height = round(0.88 * size) -- character's default height (optimized for jfm-ujis.lua)
+ local def_depth = round(0.12 * size) -- and depth.
+ if not cache_chars[cid_name][size] then
+ cache_chars[cid_name][size] = {}
+ for k, v in pairs(cache_chars[cid_name][655360]) do
+ cache_chars[cid_name][size][k] = {
+ index = v.index, width = round(v.width * scale),
+ height = def_height, depth = def_depth, tounicode = v.tounicode,
+ }
+ end
+ end
+ fontdata.characters = cache_chars[cid_name][size]
+ cachedata.characters = cache_chars[cid_name][size]
+
+ local parameters = {}
+ for k, v in pairs(s.parameters) do
+ parameters[k] = v * scale
+ end
+ fontdata.parameters = parameters; cachedata.parameters = parameters
+ fontdata.ascender = fontdata.ascender * scale; cachedata.ascender = fontdata.ascender
+ fontdata.descender = fontdata.descender * scale; cachedata.descender = fontdata.descender
+ fontdata.factor = fontdata.factor * scale; cachedata.factor = fontdata.factor
+ fontdata.hfactor = fontdata.hfactor * scale; cachedata.hfactor = fontdata.hfactor
+ fontdata.vfactor = fontdata.vfactor * scale; cachedata.vfactor = fontdata.vfactor
+ fontdata.size = size; cachedata.size = size
+
+ -- no embedding
+ local var = ''
+ if features.slant then
+ fontdata.slant = features.slant*1000; cachedata.slant = fontdata.slant
+ var = var .. 's' .. tostring(features.slant)
+ end
+ if features.extend then
+ fontdata.extend = features.extend*1000; cachedata.extend = fontdata.extend
+ var = var .. 'x' .. tostring(features.extend)
+ end
+ fontdata.name = specification.name .. size .. var; cachedata.name = fontdata.name
+ fontdata.fullname = specification.name .. var; cachedata.fullname = fontdata.fullname
+ fontdata.psname = specification.name; cachedata.psname = fontdata.psname
+ fonts.ids[id] = cachedata
+
+ return fontdata
+end
+
+local dr_orig = fonts.define.read
+function fonts.define.read(name, size, id)
+ local p = utf.find(name, ":") or utf.len(name)+1
+ if utf.sub(name, 1, p-1) == 'psft' then
+ local cid_reg, cid_order, cid_name
+ local s = "Adobe-Japan1-6"
+ local basename = utf.sub(name,p+1)
+ local p = utf.find(basename, ":")
+ if p then
+ local xname = utf.sub(basename, p+1)
+ p = 1
+ while p do
+ local q = utf.find(xname, ";", p+1) or utf.len(xname)+1
+ if utf.sub(xname, p, p+3)=='cid=' and q>p+4 then
+ s = utf.sub(xname, p+4, q-1)
+ end
+ if utf.len(xname)+1==q then p = nil else p = q + 1 end
+ end
+ end
+ cid_reg, cid_order = string.match(s, "^(.-)%-(.-)%-(%d-)$")
+ if not cid_reg then
+ cid_reg, cid_order = string.match(s, "^(.-)%-(.-)$")
+ end
+ cid_name = cid_reg .. '-' .. cid_order
+ if not cidfont_data[cid_name] then
+ read_cid_font(cid_name)
+ if not cidfont_data[cid_name] then
+ ltjb.package_error('luatexja',
+ "bad cid key `" .. s .. "'",
+ "I couldn't find any non-embedded font information for the CID\n" ..
+ '`' .. s .. "'. For now, I'll use `Adobe-Japan1-6'.\n"..
+ 'Please contact the LuaTeX-ja project team.')
+ cid_name = "Adobe-Japan1"
+ end
+ end
+ return mk_rml(basename, size, id, cid_name)
+ else
+ return dr_orig(name, size, id)
+ end
+end
+
+
+read_cid_font("Adobe-Japan1")
+
+