From f71beac9ee3f29083c86c0c87049cb54f4ad91aa Mon Sep 17 00:00:00 2001 From: Philipp Gesang Date: Tue, 9 Apr 2013 12:04:32 +0200 Subject: remove merged files --- otfl-font-otb.lua | 636 ------------------------------------------------------ 1 file changed, 636 deletions(-) delete mode 100644 otfl-font-otb.lua (limited to 'otfl-font-otb.lua') diff --git a/otfl-font-otb.lua b/otfl-font-otb.lua deleted file mode 100644 index 44639a8..0000000 --- a/otfl-font-otb.lua +++ /dev/null @@ -1,636 +0,0 @@ -if not modules then modules = { } end modules ['font-otb'] = { - version = 1.001, - comment = "companion to font-ini.mkiv", - author = "Hans Hagen, PRAGMA-ADE, Hasselt NL", - copyright = "PRAGMA ADE / ConTeXt Development Team", - license = "see context related readme files" -} -local concat = table.concat -local format, gmatch, gsub, find, match, lower, strip = string.format, string.gmatch, string.gsub, string.find, string.match, string.lower, string.strip -local type, next, tonumber, tostring = type, next, tonumber, tostring -local lpegmatch = lpeg.match -local utfchar = utf.char - -local trace_baseinit = false trackers.register("otf.baseinit", function(v) trace_baseinit = v end) -local trace_singles = false trackers.register("otf.singles", function(v) trace_singles = v end) -local trace_multiples = false trackers.register("otf.multiples", function(v) trace_multiples = v end) -local trace_alternatives = false trackers.register("otf.alternatives", function(v) trace_alternatives = v end) -local trace_ligatures = false trackers.register("otf.ligatures", function(v) trace_ligatures = v end) -local trace_kerns = false trackers.register("otf.kerns", function(v) trace_kerns = v end) -local trace_preparing = false trackers.register("otf.preparing", function(v) trace_preparing = v end) - -local report_prepare = logs.reporter("fonts","otf prepare") - -local fonts = fonts -local otf = fonts.handlers.otf - -local otffeatures = fonts.constructors.newfeatures("otf") -local registerotffeature = otffeatures.register - -otf.defaultbasealternate = "none" -- first last - -local wildcard = "*" -local default = "dflt" - -local function gref(descriptions,n) - if type(n) == "number" then - local name = descriptions[n].name - if name then - return format("U+%05X (%s)",n,name) - else - return format("U+%05X") - end - elseif n then - local num, nam = { }, { } - for i=2,#n do -- first is likely a key - local ni = n[i] - num[i] = format("U+%05X",ni) - nam[i] = descriptions[ni].name or "?" - end - return format("%s (%s)",concat(num," "), concat(nam," ")) - else - return "?" - end -end - -local function cref(feature,lookupname) - if lookupname then - return format("feature %s, lookup %s",feature,lookupname) - else - return format("feature %s",feature) - end -end - -local function report_alternate(feature,lookupname,descriptions,unicode,replacement,value,comment) - report_prepare("%s: base alternate %s => %s (%s => %s)",cref(feature,lookupname), - gref(descriptions,unicode),replacement and gref(descriptions,replacement) or "-", - tostring(value),comment) -end - -local function report_substitution(feature,lookupname,descriptions,unicode,substitution) - report_prepare("%s: base substitution %s => %s",cref(feature,lookupname), - gref(descriptions,unicode),gref(descriptions,substitution)) -end - -local function report_ligature(feature,lookupname,descriptions,unicode,ligature) - report_prepare("%s: base ligature %s => %s",cref(feature,lookupname), - gref(descriptions,ligature),gref(descriptions,unicode)) -end - -local basemethods = { } -local basemethod = "" - -local function applybasemethod(what,...) - local m = basemethods[basemethod][what] - if m then - return m(...) - end -end - --- We need to make sure that luatex sees the difference between --- base fonts that have different glyphs in the same slots in fonts --- that have the same fullname (or filename). LuaTeX will merge fonts --- eventually (and subset later on). If needed we can use a more --- verbose name as long as we don't use <()<>[]{}/%> and the length --- is < 128. - -local basehash, basehashes, applied = { }, 1, { } - -local function registerbasehash(tfmdata) - local properties = tfmdata.properties - local hash = concat(applied," ") - local base = basehash[hash] - if not base then - basehashes = basehashes + 1 - base = basehashes - basehash[hash] = base - end - properties.basehash = base - properties.fullname = properties.fullname .. "-" .. base - -- report_prepare("fullname base hash: '%s', featureset '%s'",tfmdata.properties.fullname,hash) - applied = { } -end - -local function registerbasefeature(feature,value) - applied[#applied+1] = feature .. "=" .. tostring(value) -end - --- The original basemode ligature builder used the names of components --- and did some expression juggling to get the chain right. The current --- variant starts with unicodes but still uses names to make the chain. --- This is needed because we have to create intermediates when needed --- but use predefined snippets when available. To some extend the --- current builder is more stupid but I don't worry that much about it --- as ligatures are rather predicatable. --- --- Personally I think that an ff + i == ffi rule as used in for instance --- latin modern is pretty weird as no sane person will key that in and --- expect a glyph for that ligature plus the following character. Anyhow, --- as we need to deal with this, we do, but no guarantes are given. --- --- latin modern dejavu --- --- f+f 102 102 102 102 --- f+i 102 105 102 105 --- f+l 102 108 102 108 --- f+f+i 102 102 105 --- f+f+l 102 102 108 102 102 108 --- ff+i 64256 105 64256 105 --- ff+l 64256 108 --- --- As you can see here, latin modern is less complete than dejavu but --- in practice one will not notice it. --- --- The while loop is needed because we need to resolve for instance --- pseudo names like hyphen_hyphen to endash so in practice we end --- up with a bit too many definitions but the overhead is neglectable. --- --- Todo: if changed[first] or changed[second] then ... end - -local trace = false - -local function finalize_ligatures(tfmdata,ligatures) - local nofligatures = #ligatures - if nofligatures > 0 then - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local resources = tfmdata.resources - local unicodes = resources.unicodes - local private = resources.private - local alldone = false - while not alldone do - local done = 0 - for i=1,nofligatures do - local ligature = ligatures[i] - if ligature then - local unicode, lookupdata = ligature[1], ligature[2] - if trace then - print("BUILDING",concat(lookupdata," "),unicode) - end - local size = #lookupdata - local firstcode = lookupdata[1] -- [2] - local firstdata = characters[firstcode] - local okay = false - if firstdata then - local firstname = "ctx_" .. firstcode - for i=1,size-1 do -- for i=2,size-1 do - local firstdata = characters[firstcode] - if not firstdata then - firstcode = private - if trace then - print(" DEFINING",firstname,firstcode) - end - unicodes[firstname] = firstcode - firstdata = { intermediate = true, ligatures = { } } - characters[firstcode] = firstdata - descriptions[firstcode] = { name = firstname } - private = private + 1 - end - local target - local secondcode = lookupdata[i+1] - local secondname = firstname .. "_" .. secondcode - if i == size - 1 then - target = unicode - if not unicodes[secondname] then - unicodes[secondname] = unicode -- map final ligature onto intermediates - end - okay = true - else - target = unicodes[secondname] - if not target then - break - end - end - if trace then - print("CODES",firstname,firstcode,secondname,secondcode,target) - end - local firstligs = firstdata.ligatures - if firstligs then - firstligs[secondcode] = { char = target } - else - firstdata.ligatures = { [secondcode] = { char = target } } - end - firstcode = target - firstname = secondname - end - end - if okay then - ligatures[i] = false - done = done + 1 - end - end - end - alldone = done == 0 - end - if trace then - for k, v in next, characters do - if v.ligatures then table.print(v,k) end - end - end - tfmdata.resources.private = private - end -end - -local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplist) - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local resources = tfmdata.resources - local changed = tfmdata.changed - local unicodes = resources.unicodes - local lookuphash = resources.lookuphash - local lookuptypes = resources.lookuptypes - - local ligatures = { } - local alternate = tonumber(value) - local defaultalt = otf.defaultbasealternate - - local trace_singles = trace_baseinit and trace_singles - local trace_alternatives = trace_baseinit and trace_alternatives - local trace_ligatures = trace_baseinit and trace_ligatures - - local actions = { - substitution = function(lookupdata,lookupname,description,unicode) - if trace_singles then - report_substitution(feature,lookupname,descriptions,unicode,lookupdata) - end - changed[unicode] = lookupdata - end, - alternate = function(lookupdata,lookupname,description,unicode) - local replacement = lookupdata[alternate] - if replacement then - changed[unicode] = replacement - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"normal") - end - elseif defaultalt == "first" then - replacement = lookupdata[1] - changed[unicode] = replacement - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) - end - elseif defaultalt == "last" then - replacement = lookupdata[#data] - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) - end - else - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"unknown") - end - end - end, - ligature = function(lookupdata,lookupname,description,unicode) - if trace_ligatures then - report_ligature(feature,lookupname,descriptions,unicode,lookupdata) - end - ligatures[#ligatures+1] = { unicode, lookupdata } - end, - } - - for unicode, character in next, characters do - local description = descriptions[unicode] - local lookups = description.slookups - if lookups then - for l=1,#lookuplist do - local lookupname = lookuplist[l] - local lookupdata = lookups[lookupname] - if lookupdata then - local lookuptype = lookuptypes[lookupname] - local action = actions[lookuptype] - if action then - action(lookupdata,lookupname,description,unicode) - end - end - end - end - local lookups = description.mlookups - if lookups then - for l=1,#lookuplist do - local lookupname = lookuplist[l] - local lookuplist = lookups[lookupname] - if lookuplist then - local lookuptype = lookuptypes[lookupname] - local action = actions[lookuptype] - if action then - for i=1,#lookuplist do - action(lookuplist[i],lookupname,description,unicode) - end - end - end - end - end - end - - finalize_ligatures(tfmdata,ligatures) -end - -local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist) -- todo what kind of kerns, currently all - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local resources = tfmdata.resources - local unicodes = resources.unicodes - local sharedkerns = { } - local traceindeed = trace_baseinit and trace_kerns - for unicode, character in next, characters do - local description = descriptions[unicode] - local rawkerns = description.kerns -- shared - if rawkerns then - local s = sharedkerns[rawkerns] - if s == false then - -- skip - elseif s then - character.kerns = s - else - local newkerns = character.kerns - local done = false - for l=1,#lookuplist do - local lookup = lookuplist[l] - local kerns = rawkerns[lookup] - if kerns then - for otherunicode, value in next, kerns do - if value == 0 then - -- maybe no 0 test here - elseif not newkerns then - newkerns = { [otherunicode] = value } - done = true - if traceindeed then - report_prepare("%s: base kern %s + %s => %s",cref(feature,lookup), - gref(descriptions,unicode),gref(descriptions,otherunicode),value) - end - elseif not newkerns[otherunicode] then -- first wins - newkerns[otherunicode] = value - done = true - if traceindeed then - report_prepare("%s: base kern %s + %s => %s",cref(feature,lookup), - gref(descriptions,unicode),gref(descriptions,otherunicode),value) - end - end - end - end - end - if done then - sharedkerns[rawkerns] = newkerns - character.kerns = newkerns -- no empty assignments - else - sharedkerns[rawkerns] = false - end - end - end - end -end - -basemethods.independent = { - preparesubstitutions = preparesubstitutions, - preparepositionings = preparepositionings, -} - -local function makefake(tfmdata,name,present) - local resources = tfmdata.resources - local private = resources.private - local character = { intermediate = true, ligatures = { } } - resources.unicodes[name] = private - tfmdata.characters[private] = character - tfmdata.descriptions[private] = { name = name } - resources.private = private + 1 - present[name] = private - return character -end - -local function make_1(present,tree,name) - for k, v in next, tree do - if k == "ligature" then - present[name] = v - else - make_1(present,v,name .. "_" .. k) - end - end -end - -local function make_2(present,tfmdata,characters,tree,name,preceding,unicode,done,lookupname) - for k, v in next, tree do - if k == "ligature" then - local character = characters[preceding] - if not character then - if trace_baseinit then - report_prepare("weird ligature in lookup %s: U+%05X (%s), preceding U+%05X (%s)",lookupname,v,utfchar(v),preceding,utfchar(preceding)) - end - character = makefake(tfmdata,name,present) - end - local ligatures = character.ligatures - if ligatures then - ligatures[unicode] = { char = v } - else - character.ligatures = { [unicode] = { char = v } } - end - if done then - local d = done[lookupname] - if not d then - done[lookupname] = { "dummy", v } - else - d[#d+1] = v - end - end - else - local code = present[name] or unicode - local name = name .. "_" .. k - make_2(present,tfmdata,characters,v,name,code,k,done,lookupname) - end - end -end - -local function preparesubstitutions(tfmdata,feature,value,validlookups,lookuplist) - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local resources = tfmdata.resources - local changed = tfmdata.changed - local lookuphash = resources.lookuphash - local lookuptypes = resources.lookuptypes - - local ligatures = { } - local alternate = tonumber(value) - local defaultalt = otf.defaultbasealternate - - local trace_singles = trace_baseinit and trace_singles - local trace_alternatives = trace_baseinit and trace_alternatives - local trace_ligatures = trace_baseinit and trace_ligatures - - for l=1,#lookuplist do - local lookupname = lookuplist[l] - local lookupdata = lookuphash[lookupname] - local lookuptype = lookuptypes[lookupname] - for unicode, data in next, lookupdata do - if lookuptype == "substitution" then - if trace_singles then - report_substitution(feature,lookupname,descriptions,unicode,data) - end - changed[unicode] = data - elseif lookuptype == "alternate" then - local replacement = data[alternate] - if replacement then - changed[unicode] = replacement - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"normal") - end - elseif defaultalt == "first" then - replacement = data[1] - changed[unicode] = replacement - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) - end - elseif defaultalt == "last" then - replacement = data[#data] - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,defaultalt) - end - else - if trace_alternatives then - report_alternate(feature,lookupname,descriptions,unicode,replacement,value,"unknown") - end - end - elseif lookuptype == "ligature" then - ligatures[#ligatures+1] = { unicode, data, lookupname } - if trace_ligatures then - report_ligature(feature,lookupname,descriptions,unicode,data) - end - end - end - end - - local nofligatures = #ligatures - - if nofligatures > 0 then - - local characters = tfmdata.characters - local present = { } - local done = trace_baseinit and trace_ligatures and { } - - for i=1,nofligatures do - local ligature = ligatures[i] - local unicode, tree = ligature[1], ligature[2] - make_1(present,tree,"ctx_"..unicode) - end - - for i=1,nofligatures do - local ligature = ligatures[i] - local unicode, tree, lookupname = ligature[1], ligature[2], ligature[3] - make_2(present,tfmdata,characters,tree,"ctx_"..unicode,unicode,unicode,done,lookupname) - end - - end - -end - -local function preparepositionings(tfmdata,feature,value,validlookups,lookuplist) - local characters = tfmdata.characters - local descriptions = tfmdata.descriptions - local resources = tfmdata.resources - local lookuphash = resources.lookuphash - local traceindeed = trace_baseinit and trace_kerns - - -- check out this sharedkerns trickery - - for l=1,#lookuplist do - local lookupname = lookuplist[l] - local lookupdata = lookuphash[lookupname] - for unicode, data in next, lookupdata do - local character = characters[unicode] - local kerns = character.kerns - if not kerns then - kerns = { } - character.kerns = kerns - end - if traceindeed then - for otherunicode, kern in next, data do - if not kerns[otherunicode] and kern ~= 0 then - kerns[otherunicode] = kern - report_prepare("%s: base kern %s + %s => %s",cref(feature,lookup), - gref(descriptions,unicode),gref(descriptions,otherunicode),kern) - end - end - else - for otherunicode, kern in next, data do - if not kerns[otherunicode] and kern ~= 0 then - kerns[otherunicode] = kern - end - end - end - end - end - -end - -local function initializehashes(tfmdata) - nodeinitializers.features(tfmdata) -end - -basemethods.shared = { - initializehashes = initializehashes, - preparesubstitutions = preparesubstitutions, - preparepositionings = preparepositionings, -} - -basemethod = "independent" - -local function featuresinitializer(tfmdata,value) - if true then -- value then - local t = trace_preparing and os.clock() - local features = tfmdata.shared.features - if features then - applybasemethod("initializehashes",tfmdata) - local collectlookups = otf.collectlookups - local rawdata = tfmdata.shared.rawdata - local properties = tfmdata.properties - local script = properties.script - local language = properties.language - local basesubstitutions = rawdata.resources.features.gsub - local basepositionings = rawdata.resources.features.gpos - if basesubstitutions then - for feature, data in next, basesubstitutions do - local value = features[feature] - if value then - local validlookups, lookuplist = collectlookups(rawdata,feature,script,language) - if validlookups then - applybasemethod("preparesubstitutions",tfmdata,feature,value,validlookups,lookuplist) - registerbasefeature(feature,value) - end - end - end - end - if basepositions then - for feature, data in next, basepositions do - local value = features[feature] - if value then - local validlookups, lookuplist = collectlookups(rawdata,feature,script,language) - if validlookups then - applybasemethod("preparepositionings",tfmdata,feature,features[feature],validlookups,lookuplist) - registerbasefeature(feature,value) - end - end - end - end - registerbasehash(tfmdata) - end - if trace_preparing then - report_prepare("preparation time is %0.3f seconds for %s",os.clock()-t,tfmdata.properties.fullname or "?") - end - end -end - -registerotffeature { - name = "features", - description = "features", - default = true, - initializers = { - -- position = 1, -- after setscript (temp hack ... we need to force script / language to 1 - base = featuresinitializer, - } -} - --- independent : collect lookups independently (takes more runtime ... neglectable) --- shared : shares lookups with node mode (takes more memory unless also a node mode variant is used ... noticeable) - -directives.register("fonts.otf.loader.basemethod", function(v) - if basemethods[v] then - basemethod = v - end -end) -- cgit v1.2.3