--
luatexbase.provides_module({
name = 'luatexja.rmlgbm',
- date = '2011/06/27',
- version = '0.1',
+ date = '2012/02/17',
+ version = '0.2',
description = 'Definitions of non-embedded Japanese fonts',
})
module('luatexja.rmlgbm', package.seeall)
local err, warn, info, log = luatexbase.errwarinf(_NAME)
-local rmlgbm_data = require('luatexja-rmlgbm-data')
-local cache_chars = { [655360] = rmlgbm_data.characters }
+require('luatexja.base'); local ltjb = luatexja.base
+local round = tex.round
+local cidfont_data = {}
+local cache_chars = {}
+local cid_reg, cid_order, cid_supp, cid_name
+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 cid_replace = {
+ ["Adobe-Japan1"] = "UniJISX0213-UTF32",
+ ["Adobe-Korea1"] = "UniKS-UTF32",
+ ["Adobe-GB1"] = "UniGB-UTF32",
+ ["Adobe-CNS1"] = "UniCNS-UTF32",
+}
+
+-- reading CID maps
+local line, fh, tt
+
+local function load_bf_char()
+ local cid, ucs, ucsa
+ line = fh:read("*l")
+ while line do
+ if line == "endcidchar" then
+ line = fh:read("*l"); return
+ else -- WMA l is in the form "<%x+>%s%d+"
+ ucs, cid = string.match(line, "<(%x+)>%s+(%d+)")
+ cid = tonumber(cid, 10); ucs = tonumber(ucs, 16);
+ if not tt[ucs] then
+ tt[ucs] = { index = cid, width = 655360 }
+ end
+ end
+ line = fh:read("*l")
+ end
+end
+
+local function load_bf_range()
+ local bucs, eucs, cid
+ line = fh:read("*l")
+ while line do
+ if line == "endcidrange" then
+ line = fh:read("*l"); return
+ else -- WMA l is in the form "<%x+>%s+<%x+>"
+ bucs, eucs, cid = string.match(line, "<(%x+)>%s+<(%x+)>%s+(%d+)")
+ cid = tonumber(cid, 10); bucs = tonumber(bucs, 16); eucs = tonumber(eucs, 16);
+ for ucs = bucs, eucs do
+ if not tt[ucs] then
+ tt[ucs] = { index = cid, width = 655360 }
+ end
+ cid = cid+1
+ end
+ end
+ line = fh:read("*l")
+ end
+end
+
+local function make_cid_font()
+ cidfont_data[cid_name] = {
+ cidinfo = { ordering=cid_order, registry=cid_reg, supplement=cid_supp },
+ encodingbytes = 2, extend=1000, format = 'opentype',
+ direction = 0, characters = {}, parameters = {}, embedding = "no", cache = "yes",
+ ascender = 0, descender = 0, factor = 0, hfactor = 0, vfactor = 0,
+ }
+ tt = {}
+
+ -- Open
+ -- TODO: vertical fonts?
+ fh = io.open(kpse.find_file(cid_replace[cid_name] .. "-H", 'cmap files'), "r")
+ line = fh:read("*l")
+ while line do
+ if string.find(line, "%x+%s+begincidchar") then
+ load_bf_char()
+ elseif string.find(line, "%x+%s+begincidrange") then
+ load_bf_range()
+ else
+ line = fh:read("*l")
+ end
+ end
+ fh:close(); cidfont_data[cid_name].characters = tt
+ cache_chars[cid_name] = { [655360] = cidfont_data[cid_name].characters }
+
+ -- Save
+ local savepath = path.localdir
+ if not lfs.isdir(savepath) then
+ dir.mkdirs(savepath)
+ end
+ savepath = file.join(savepath, "luatexja-cid-auto-"
+ .. string.lower(cid_name) .. ".lua")
+ if file.iswritable(savepath) then
+ table.tofile(savepath, cidfont_data[cid_name],'return', false, true, false )
+ else
+ ltjb.package_warning('luatexja',
+ 'failed to save informations of non-embedded 2-byte fonts', '')
+ end
+end
+
+--
+local function read_cid_font()
+ local names = {
+ "luatexja-cid-std-" .. string.lower(cid_name) .. ".lua",
+ "luatexja-cid-auto-" .. string.lower(cid_name) .. ".lua",
+ }
+ local s
+ for i,v in ipairs(names) do
+ 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
+ -- Now we must create the virtual metrics from CMap.
+ ltjb.package_info('luatexja',
+ 'I try to generate informations of non-embedded 2-byte fonts...', '')
+ make_cid_font()
+end
+
+-- High-level
local function mk_rml(name, size, id)
local specification = fonts.define.analyze(name,size)
specification = fonts.define.specify[':'](specification)
local fontdata = {}
local cachedata = {}
- for k, v in pairs(rmlgbm_data) do
+ local s = cidfont_data[cid_name]
+ if not s then
+ -- error message?
+ s = cidfont_data["Adobe-Japan1"]
+ end
+ for k, v in pairs(s) do
fontdata[k] = v
cachedata[k] = v
end
cachedata.characters = nil
fontdata.unicodes = nil
fontdata.shared = nil
- cachedata.shared = {}
- local shared = cachedata.shared
- for k, v in pairs(rmlgbm_data.shared) do
- shared[k] = v
+ cachedata.shared = nil
+ if cidfont_data[cid_name].shared then
+ cachedata.shared = {}
+ local shared = cachedata.shared
+ for k, v in pairs(cidfont_data[cid_name].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
- shared.set_dynamics = fonts.otf.set_dynamics
- shared.processes, shared.features = fonts.otf.set_features(cachedata,fonts.define.check(features,fonts.otf.features.default))
-
-- characters & scaling
if size < 0 then size = -size * 655.36 end
local scale = size / 655360
- if not cache_chars[size] then
- cache_chars[size] = {}
- for k, v in pairs(cache_chars[655360]) do
- cache_chars[size][k] = {}
- cache_chars[size][k].index = v.index
- cache_chars[size][k].width = v.width * scale
- cache_chars[size][k].tounicode = v.tounicode
+ 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] = {}
+ cache_chars[cid_name][size][k].index = v.index
+ cache_chars[cid_name][size][k].width = round(v.width * scale)
+ cache_chars[cid_name][size][k].tounicode = v.tounicode
end
end
- fontdata.characters = cache_chars[size]
- cachedata.characters = cache_chars[size]
+ fontdata.characters = cache_chars[cid_name][size]
+ cachedata.characters = cache_chars[cid_name][size]
local parameters = {}
- for k, v in pairs(rmlgbm_data.parameters) do
+ for k, v in pairs(cidfont_data[cid_name].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
+ 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
+ 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
+ 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
-
+ 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
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
- return mk_rml(utf.sub(name,p+1), size, id)
+ 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, cid_supp = string.match(s, "(.-)%-(.-)%-(%d-)")
+ cid_name = cid_reg .. '-' .. cid_order
+ if not cidfont_data[cid_name] then read_cid_font() end
+ return mk_rml(basename, size, id)
else
return dr_orig(name, size, id)
end
end
+
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