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author | Marius <mariausol@gmail.com> | 2013-05-19 20:40:34 +0300 |
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committer | Marius <mariausol@gmail.com> | 2013-05-19 20:40:34 +0300 |
commit | 13ec4b540e0d46c97fd7b089e0b7413da81e0a9f (patch) | |
tree | bebfa563a17c06b3bd3bf8f6f4ba6d025e00d107 /tex/context/base/font-mis.lua | |
parent | 69ad13650cda027526271179e95b5294694143a1 (diff) | |
download | context-13ec4b540e0d46c97fd7b089e0b7413da81e0a9f.tar.gz |
beta 2013.05.19 19:27
Diffstat (limited to 'tex/context/base/font-mis.lua')
-rw-r--r-- | tex/context/base/font-mis.lua | 222 |
1 files changed, 111 insertions, 111 deletions
diff --git a/tex/context/base/font-mis.lua b/tex/context/base/font-mis.lua index 83df65341..1915f7a82 100644 --- a/tex/context/base/font-mis.lua +++ b/tex/context/base/font-mis.lua @@ -1,111 +1,111 @@ -if not modules then modules = { } end modules ['font-mis'] = { - version = 1.001, - comment = "companion to mtx-fonts", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} - -local next = next -local lower, strip = string.lower, string.strip - --- also used in other scripts so we need to check some tables: - -fonts = fonts or { } - -fonts.helpers = fonts.helpers or { } -local helpers = fonts.helpers - -fonts.handlers = fonts.handlers or { } -local handlers = fonts.handlers - -handlers.otf = handlers.otf or { } -local otf = handlers.otf - -otf.version = otf.version or 2.743 -otf.cache = otf.cache or containers.define("fonts", "otf", otf.version, true) - -function otf.loadcached(filename,format,sub) - -- no recache when version mismatch - local name = file.basename(file.removesuffix(filename)) - if sub == "" then sub = false end - local hash = name - if sub then - hash = hash .. "-" .. sub - end - hash = containers.cleanname(hash) - local data = containers.read(otf.cache, hash) - if data and not data.verbose then - otf.enhancers.unpack(data) - return data - else - return nil - end -end - -local featuregroups = { "gsub", "gpos" } - -function fonts.helpers.getfeatures(name,t,script,language) -- maybe per font type - local t = lower(t or (name and file.suffix(name)) or "") - if t == "otf" or t == "ttf" or t == "ttc" or t == "dfont" then - local filename = resolvers.findfile(name,t) or "" - if filename ~= "" then - local data = otf.loadcached(filename) - if data and data.resources and data.resources.features then - return data.resources.features - else - local ff = fontloader.open(filename) - if ff then - local data = fontloader.to_table(ff) - fontloader.close(ff) - local features = { } - for k=1,#featuregroups do - local what = featuregroups[k] - local dw = data[what] - if dw then - local f = { } - features[what] = f - for i=1,#dw do - local d = dw[i] - local dfeatures = d.features - if dfeatures then - for i=1,#dfeatures do - local df = dfeatures[i] - local tag = strip(lower(df.tag)) - local ft = f[tag] if not ft then ft = {} f[tag] = ft end - local dfscripts = df.scripts - for i=1,#dfscripts do - local ds = dfscripts[i] - local scri = strip(lower(ds.script)) - local fts = ft[scri] if not fts then fts = {} ft[scri] = fts end - local dslangs = ds.langs - for i=1,#dslangs do - local lang = dslangs[i] - lang = strip(lower(lang)) - if scri == script then - if lang == language then - fts[lang] = 'sl' - else - fts[lang] = 's' - end - else - if lang == language then - fts[lang] = 'l' - else - fts[lang] = true - end - end - end - end - end - end - end - end - end - return features - end - end - end - end - return nil, nil -end +if not modules then modules = { } end modules ['font-mis'] = {
+ version = 1.001,
+ comment = "companion to mtx-fonts",
+ author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+ copyright = "PRAGMA ADE / ConTeXt Development Team",
+ license = "see context related readme files"
+}
+
+local next = next
+local lower, strip = string.lower, string.strip
+
+-- also used in other scripts so we need to check some tables:
+
+fonts = fonts or { }
+
+fonts.helpers = fonts.helpers or { }
+local helpers = fonts.helpers
+
+fonts.handlers = fonts.handlers or { }
+local handlers = fonts.handlers
+
+handlers.otf = handlers.otf or { }
+local otf = handlers.otf
+
+otf.version = otf.version or 2.743
+otf.cache = otf.cache or containers.define("fonts", "otf", otf.version, true)
+
+function otf.loadcached(filename,format,sub)
+ -- no recache when version mismatch
+ local name = file.basename(file.removesuffix(filename))
+ if sub == "" then sub = false end
+ local hash = name
+ if sub then
+ hash = hash .. "-" .. sub
+ end
+ hash = containers.cleanname(hash)
+ local data = containers.read(otf.cache, hash)
+ if data and not data.verbose then
+ otf.enhancers.unpack(data)
+ return data
+ else
+ return nil
+ end
+end
+
+local featuregroups = { "gsub", "gpos" }
+
+function fonts.helpers.getfeatures(name,t,script,language) -- maybe per font type
+ local t = lower(t or (name and file.suffix(name)) or "")
+ if t == "otf" or t == "ttf" or t == "ttc" or t == "dfont" then
+ local filename = resolvers.findfile(name,t) or ""
+ if filename ~= "" then
+ local data = otf.loadcached(filename)
+ if data and data.resources and data.resources.features then
+ return data.resources.features
+ else
+ local ff = fontloader.open(filename)
+ if ff then
+ local data = fontloader.to_table(ff)
+ fontloader.close(ff)
+ local features = { }
+ for k=1,#featuregroups do
+ local what = featuregroups[k]
+ local dw = data[what]
+ if dw then
+ local f = { }
+ features[what] = f
+ for i=1,#dw do
+ local d = dw[i]
+ local dfeatures = d.features
+ if dfeatures then
+ for i=1,#dfeatures do
+ local df = dfeatures[i]
+ local tag = strip(lower(df.tag))
+ local ft = f[tag] if not ft then ft = {} f[tag] = ft end
+ local dfscripts = df.scripts
+ for i=1,#dfscripts do
+ local ds = dfscripts[i]
+ local scri = strip(lower(ds.script))
+ local fts = ft[scri] if not fts then fts = {} ft[scri] = fts end
+ local dslangs = ds.langs
+ for i=1,#dslangs do
+ local lang = dslangs[i]
+ lang = strip(lower(lang))
+ if scri == script then
+ if lang == language then
+ fts[lang] = 'sl'
+ else
+ fts[lang] = 's'
+ end
+ else
+ if lang == language then
+ fts[lang] = 'l'
+ else
+ fts[lang] = true
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ end
+ return features
+ end
+ end
+ end
+ end
+ return nil, nil
+end
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