diff options
Diffstat (limited to 'tex/context/base/font-otf.lua')
| -rw-r--r-- | tex/context/base/font-otf.lua | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/tex/context/base/font-otf.lua b/tex/context/base/font-otf.lua index edd9ed2de..423035fff 100644 --- a/tex/context/base/font-otf.lua +++ b/tex/context/base/font-otf.lua @@ -21,7 +21,7 @@ if not modules then modules = { } end modules ['font-otf'] = { -- more checking against low level calls of functions local utfbyte = utf.byte -local format, gmatch, gsub, find, match, lower, strip = string.format, string.gmatch, string.gsub, string.find, string.match, string.lower, string.strip +local gmatch, gsub, find, match, lower, strip = string.gmatch, string.gsub, string.find, string.match, string.lower, string.strip local type, next, tonumber, tostring = type, next, tonumber, tostring local abs = math.abs local reversed, concat, insert, remove, sortedkeys = table.reversed, table.concat, table.insert, table.remove, table.sortedkeys @@ -58,7 +58,7 @@ local otf = fonts.handlers.otf otf.glists = { "gsub", "gpos" } -otf.version = 2.816 -- beware: also sync font-mis.lua and in mtx-fonts +otf.version = 2.817 -- beware: also sync font-mis.lua and in mtx-fonts otf.cache = containers.define("fonts", "otf", otf.version, true) local hashes = fonts.hashes @@ -296,7 +296,7 @@ local ordered_enhancers = { "expand lookups", -- a temp hack awaiting the lua loader - "check extra features", -- after metadata and duplicates +-- "check extra features", -- after metadata and duplicates "cleanup tables", @@ -600,6 +600,7 @@ function otf.load(filename,sub,featurefile) -- second argument (format) is gone applyruntimefixes(filename,data) end enhance("add dimensions",data,filename,nil,false) +enhance("check extra features",data,filename) if trace_sequences then showfeatureorder(data,filename) end @@ -791,7 +792,7 @@ actions["prepare glyphs"] = function(data,filename,raw) end if not unicode or unicode == -1 then -- or unicode >= criterium then if not name then - name = format("u%06X.ctx",private) + name = formatters["u%06X.ctx"](private) end unicode = private unicodes[name] = private @@ -814,7 +815,7 @@ actions["prepare glyphs"] = function(data,filename,raw) -- end -- end if not name then - name = format("u%06X.ctx",unicode) + name = formatters["u%06X.ctx"](unicode) end unicodes[name] = unicode nofunicodes = nofunicodes + 1 @@ -927,7 +928,7 @@ actions["prepare glyphs"] = function(data,filename,raw) end indices[index] = unicode -- if not name then - -- name = format("u%06X",unicode) -- u%06X.ctx + -- name = formatters["u%06X"](unicode) -- u%06X.ctx -- end descriptions[unicode] = { -- width = glyph.width, @@ -1100,7 +1101,7 @@ actions["add duplicates"] = function(data,filename,raw) end if u > 0 then -- and local duplicate = table.copy(description) -- else packing problem - duplicate.comment = format("copy of U+%05X", unicode) + duplicate.comment = formatters["copy of %U"](unicode) descriptions[u] = duplicate -- validduplicates[#validduplicates+1] = u if trace_loading then @@ -2897,3 +2898,33 @@ function otf.scriptandlanguage(tfmdata,attr) local properties = tfmdata.properties return properties.script or "dflt", properties.language or "dflt" end + +-- a little bit of abstraction + +local function justset(coverage,unicode,replacement) + coverage[unicode] = replacement +end + +otf.coverup = { + stepkey = "subtables", + actions = { + substitution = justset, + alternate = justset, + multiple = justset, + ligature = justset, + }, + register = function(coverage,descriptions,resources,feature,lookuptype,n) + local name = formatters["ctx_%s_%s"](feature,n) + resources.lookuptypes[name] = lookuptype + for u, c in next, coverage do + local description = descriptions[u] + local slookups = description.slookups + if slookups then + slookups[name] = c + else + description.slookups = { [name] = c } + end + end + return name + end +} |