diff options
Diffstat (limited to 'tex/generic/context/luatex/luatex-fonts-merged.lua')
| -rw-r--r-- | tex/generic/context/luatex/luatex-fonts-merged.lua | 9783 |
1 files changed, 5059 insertions, 4724 deletions
diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua index 32f25b931..dce8a123e 100644 --- a/tex/generic/context/luatex/luatex-fonts-merged.lua +++ b/tex/generic/context/luatex/luatex-fonts-merged.lua @@ -1,6 +1,6 @@ -- merged file : c:/data/develop/context/sources/luatex-fonts-merged.lua -- parent file : c:/data/develop/context/sources/luatex-fonts.lua --- merge date : 2020-04-30 11:10 +-- merge date : 2020-05-07 10:57 do -- begin closure to overcome local limits and interference @@ -4437,14 +4437,14 @@ utilities.parsers=utilities.parsers or { end, settings_to_hash=function(s) local t={} - for k,v in gmatch(s,"([^%s,=]+)=([^%s,]+)") do + for k,v in gmatch((gsub(s,"^{(.*)}$","%1")),"([^%s,=]+)=([^%s,]+)") do t[k]=v end return t end, settings_to_hash_colon_too=function(s) local t={} - for k,v in gmatch(s,"([^%s,=:]+)[=:]([^%s,]+)") do + for k,v in gmatch((gsub(s,"^{(.*)}$","%1")),"([^%s,=:]+)[=:]([^%s,]+)") do t[k]=v end return t @@ -8923,31 +8923,40 @@ function constructors.beforecopyingcharacters(target,original) end function constructors.aftercopyingcharacters(target,original) end -constructors.sharefonts=false -constructors.nofsharedfonts=0 -local sharednames={} +local nofinstances=0 +local instances=setmetatableindex(function(t,k) + nofinstances=nofinstances+1 + t[k]=nofinstances + return nofinstances +end) function constructors.trytosharefont(target,tfmdata) - if constructors.sharefonts then - local characters=target.characters - local n=1 - local t={ target.psname } - local u=sortedkeys(characters) - for i=1,#u do - local k=u[i] - n=n+1;t[n]=k - n=n+1;t[n]=characters[k].index or k - end - local h=md5.HEX(concat(t," ")) - local s=sharednames[h] - if s then - if trace_defining then - report_defining("font %a uses backend resources of font %a",target.fullname,s) - end - target.fullname=s - constructors.nofsharedfonts=constructors.nofsharedfonts+1 - target.properties.sharedwith=s + local properties=target.properties + local instance=properties.instance + if instance then + local fullname=target.fullname + local fontname=target.fontname + local psname=target.psname + local format=tfmdata.properties.format + if format=="opentype" then + target.streamprovider=1 + elseif format=="truetype" then + target.streamprovider=2 else - sharednames[h]=target.fullname + target.streamprovider=0 + end + if target.streamprovider>0 then + if fullname then + fullname=fullname..":"..instances[instance] + target.fullname=fullname + end + if fontname then + fontname=fontname..":"..instances[instance] + target.fontname=fontname + end + if psname then + psname=psname..":"..instances[instance] + target.psname=psname + end end end end @@ -12395,17 +12404,11 @@ local function readtable(tag,f,fontdata,specification,...) reader(f,fontdata,specification,...) end end -local variablefonts_supported=(context and true) or (logs and logs.application and true) or false local function readdata(f,offset,specification) local fontdata,tables=loadtables(f,specification,offset) if specification.glyphs then prepareglyps(fontdata) end - if not variablefonts_supported then - specification.instance=nil - specification.variable=nil - specification.factors=nil - end fontdata.temporary={} readtable("name",f,fontdata,specification) local askedname=specification.askedname @@ -12420,60 +12423,58 @@ local function readdata(f,offset,specification) readtable("stat",f,fontdata,specification) readtable("avar",f,fontdata,specification) readtable("fvar",f,fontdata,specification) - if variablefonts_supported then - local variabledata=fontdata.variabledata - if variabledata then - local instances=variabledata.instances - local axis=variabledata.axis - if axis and (not instances or #instances==0) then - instances={} - variabledata.instances=instances - local function add(n,subfamily,value) - local values={} - for i=1,#axis do - local a=axis[i] - values[i]={ - axis=a.tag, - value=i==n and value or a.default, - } - end - instances[#instances+1]={ - subfamily=subfamily, - values=values, - } - end + local variabledata=fontdata.variabledata + if variabledata then + local instances=variabledata.instances + local axis=variabledata.axis + if axis and (not instances or #instances==0) then + instances={} + variabledata.instances=instances + local function add(n,subfamily,value) + local values={} for i=1,#axis do local a=axis[i] - local tag=a.tag - add(i,"default"..tag,a.default) - add(i,"minimum"..tag,a.minimum) - add(i,"maximum"..tag,a.maximum) - end - end - end - if not specification.factors then - local instance=specification.instance - if type(instance)=="string" then - local factors=helpers.getfactors(fontdata,instance) - if factors then - specification.factors=factors - fontdata.factors=factors - fontdata.instance=instance - report("user instance: %s, factors: % t",instance,factors) - else - report("user instance: %s, bad factors",instance) + values[i]={ + axis=a.tag, + value=i==n and value or a.default, + } end + instances[#instances+1]={ + subfamily=subfamily, + values=values, + } + end + for i=1,#axis do + local a=axis[i] + local tag=a.tag + add(i,"default"..tag,a.default) + add(i,"minimum"..tag,a.minimum) + add(i,"maximum"..tag,a.maximum) end end - if not fontdata.factors then - if fontdata.variabledata then - local factors=helpers.getfactors(fontdata,true) - if factors then - specification.factors=factors - fontdata.factors=factors - end + end + if not specification.factors then + local instance=specification.instance + if type(instance)=="string" then + local factors=helpers.getfactors(fontdata,instance) + if factors then + specification.factors=factors + fontdata.factors=factors + fontdata.instance=instance + report("user instance: %s, factors: % t",instance,factors) else + report("user instance: %s, bad factors",instance) + end + end + end + if not fontdata.factors then + if fontdata.variabledata then + local factors=helpers.getfactors(fontdata,true) + if factors then + specification.factors=factors + fontdata.factors=factors end + else end end readtable("os/2",f,fontdata,specification) @@ -12804,1272 +12805,6 @@ end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['font-oti']={ - 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 lower=string.lower -local fonts=fonts -local constructors=fonts.constructors -local otf=constructors.handlers.otf -local otffeatures=constructors.features.otf -local registerotffeature=otffeatures.register -local otftables=otf.tables or {} -otf.tables=otftables -local allocate=utilities.storage.allocate -registerotffeature { - name="features", - description="initialization of feature handler", - default=true, -} -local function setmode(tfmdata,value) - if value then - tfmdata.properties.mode=lower(value) - end -end -otf.modeinitializer=setmode -local function setlanguage(tfmdata,value) - if value then - local cleanvalue=lower(value) - local languages=otftables and otftables.languages - local properties=tfmdata.properties - if not languages then - properties.language=cleanvalue - elseif languages[value] then - properties.language=cleanvalue - else - properties.language="dflt" - end - end -end -local function setscript(tfmdata,value) - if value then - local cleanvalue=lower(value) - local scripts=otftables and otftables.scripts - local properties=tfmdata.properties - if not scripts then - properties.script=cleanvalue - elseif scripts[value] then - properties.script=cleanvalue - else - properties.script="dflt" - end - end -end -registerotffeature { - name="mode", - description="mode", - initializers={ - base=setmode, - node=setmode, - plug=setmode, - } -} -registerotffeature { - name="language", - description="language", - initializers={ - base=setlanguage, - node=setlanguage, - plug=setlanguage, - } -} -registerotffeature { - name="script", - description="script", - initializers={ - base=setscript, - node=setscript, - plug=setscript, - } -} -otftables.featuretypes=allocate { - gpos_single="position", - gpos_pair="position", - gpos_cursive="position", - gpos_mark2base="position", - gpos_mark2ligature="position", - gpos_mark2mark="position", - gpos_context="position", - gpos_contextchain="position", - gsub_single="substitution", - gsub_multiple="substitution", - gsub_alternate="substitution", - gsub_ligature="substitution", - gsub_context="substitution", - gsub_contextchain="substitution", - gsub_reversecontextchain="substitution", - gsub_reversesub="substitution", -} -function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts) - if featuretype=="position" then - local default=scripts.dflt - if default then - if autoscript=="position" or autoscript==true then - return default - else - report_otf("script feature %s not applied, enable default positioning") - end - else - end - elseif featuretype=="substitution" then - local default=scripts.dflt - if default then - if autoscript=="substitution" or autoscript==true then - return default - end - end - end -end -function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages) - if featuretype=="position" then - local default=languages.dflt - if default then - if autolanguage=="position" or autolanguage==true then - return default - else - report_otf("language feature %s not applied, enable default positioning") - end - else - end - elseif featuretype=="substitution" then - local default=languages.dflt - if default then - if autolanguage=="substitution" or autolanguage==true then - return default - end - end - end -end - -end -- closure - -do -- begin closure to overcome local limits and interference - -if not modules then modules={} end modules ["font-ott"]={ - 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 type,next,tonumber,tostring,rawget,rawset=type,next,tonumber,tostring,rawget,rawset -local gsub,lower,format,match,gmatch,find=string.gsub,string.lower,string.format,string.match,string.gmatch,string.find -local sequenced=table.sequenced -local is_boolean=string.is_boolean -local setmetatableindex=table.setmetatableindex -local setmetatablenewindex=table.setmetatablenewindex -local allocate=utilities.storage.allocate -local fonts=fonts -local otf=fonts.handlers.otf -local otffeatures=otf.features -local tables=otf.tables or {} -otf.tables=tables -local statistics=otf.statistics or {} -otf.statistics=statistics -local scripts=allocate { - ["adlm"]="adlam", - ["aghb"]="caucasian albanian", - ["ahom"]="ahom", - ["arab"]="arabic", - ["armi"]="imperial aramaic", - ["armn"]="armenian", - ["avst"]="avestan", - ["bali"]="balinese", - ["bamu"]="bamum", - ["bass"]="bassa vah", - ["batk"]="batak", - ["beng"]="bengali", - ["bhks"]="bhaiksuki", - ["bng2"]="bengali variant 2", - ["bopo"]="bopomofo", - ["brah"]="brahmi", - ["brai"]="braille", - ["bugi"]="buginese", - ["buhd"]="buhid", - ["byzm"]="byzantine music", - ["cakm"]="chakma", - ["cans"]="canadian syllabics", - ["cari"]="carian", - ["cham"]="cham", - ["cher"]="cherokee", - ["copt"]="coptic", - ["cprt"]="cypriot syllabary", - ["cyrl"]="cyrillic", - ["dev2"]="devanagari variant 2", - ["deva"]="devanagari", - ["dogr"]="dogra", - ["dsrt"]="deseret", - ["dupl"]="duployan", - ["egyp"]="egyptian heiroglyphs", - ["elba"]="elbasan", - ["ethi"]="ethiopic", - ["geor"]="georgian", - ["gjr2"]="gujarati variant 2", - ["glag"]="glagolitic", - ["gong"]="gunjala gondi", - ["gonm"]="masaram gondi", - ["goth"]="gothic", - ["gran"]="grantha", - ["grek"]="greek", - ["gujr"]="gujarati", - ["gur2"]="gurmukhi variant 2", - ["guru"]="gurmukhi", - ["hang"]="hangul", - ["hani"]="cjk ideographic", - ["hano"]="hanunoo", - ["hatr"]="hatran", - ["hebr"]="hebrew", - ["hluw"]="anatolian hieroglyphs", - ["hmng"]="pahawh hmong", - ["hung"]="old hungarian", - ["ital"]="old italic", - ["jamo"]="hangul jamo", - ["java"]="javanese", - ["kali"]="kayah li", - ["kana"]="hiragana and katakana", - ["khar"]="kharosthi", - ["khmr"]="khmer", - ["khoj"]="khojki", - ["knd2"]="kannada variant 2", - ["knda"]="kannada", - ["kthi"]="kaithi", - ["lana"]="tai tham", - ["lao" ]="lao", - ["latn"]="latin", - ["lepc"]="lepcha", - ["limb"]="limbu", - ["lina"]="linear a", - ["linb"]="linear b", - ["lisu"]="lisu", - ["lyci"]="lycian", - ["lydi"]="lydian", - ["mahj"]="mahajani", - ["maka"]="makasar", - ["mand"]="mandaic and mandaean", - ["mani"]="manichaean", - ["marc"]="marchen", - ["math"]="mathematical alphanumeric symbols", - ["medf"]="medefaidrin", - ["mend"]="mende kikakui", - ["merc"]="meroitic cursive", - ["mero"]="meroitic hieroglyphs", - ["mlm2"]="malayalam variant 2", - ["mlym"]="malayalam", - ["modi"]="modi", - ["mong"]="mongolian", - ["mroo"]="mro", - ["mtei"]="meitei Mayek", - ["mult"]="multani", - ["musc"]="musical symbols", - ["mym2"]="myanmar variant 2", - ["mymr"]="myanmar", - ["narb"]="old north arabian", - ["nbat"]="nabataean", - ["newa"]="newa", - ["nko" ]='n"ko', - ["nshu"]="nüshu", - ["ogam"]="ogham", - ["olck"]="ol chiki", - ["orkh"]="old turkic and orkhon runic", - ["ory2"]="odia variant 2", - ["orya"]="oriya", - ["osge"]="osage", - ["osma"]="osmanya", - ["palm"]="palmyrene", - ["pauc"]="pau cin hau", - ["perm"]="old permic", - ["phag"]="phags-pa", - ["phli"]="inscriptional pahlavi", - ["phlp"]="psalter pahlavi", - ["phnx"]="phoenician", - ["plrd"]="miao", - ["prti"]="inscriptional parthian", - ["rjng"]="rejang", - ["rohg"]="hanifi rohingya", - ["runr"]="runic", - ["samr"]="samaritan", - ["sarb"]="old south arabian", - ["saur"]="saurashtra", - ["sgnw"]="sign writing", - ["shaw"]="shavian", - ["shrd"]="sharada", - ["sidd"]="siddham", - ["sind"]="khudawadi", - ["sinh"]="sinhala", - ["sogd"]="sogdian", - ["sogo"]="old sogdian", - ["sora"]="sora sompeng", - ["soyo"]="soyombo", - ["sund"]="sundanese", - ["sylo"]="syloti nagri", - ["syrc"]="syriac", - ["tagb"]="tagbanwa", - ["takr"]="takri", - ["tale"]="tai le", - ["talu"]="tai lu", - ["taml"]="tamil", - ["tang"]="tangut", - ["tavt"]="tai viet", - ["tel2"]="telugu variant 2", - ["telu"]="telugu", - ["tfng"]="tifinagh", - ["tglg"]="tagalog", - ["thaa"]="thaana", - ["thai"]="thai", - ["tibt"]="tibetan", - ["tirh"]="tirhuta", - ["tml2"]="tamil variant 2", - ["ugar"]="ugaritic cuneiform", - ["vai" ]="vai", - ["wara"]="warang citi", - ["xpeo"]="old persian cuneiform", - ["xsux"]="sumero-akkadian cuneiform", - ["yi" ]="yi", - ["zanb"]="zanabazar square", -} -local languages=allocate { - ["aba" ]="abaza", - ["abk" ]="abkhazian", - ["ach" ]="acholi", - ["acr" ]="achi", - ["ady" ]="adyghe", - ["afk" ]="afrikaans", - ["afr" ]="afar", - ["agw" ]="agaw", - ["aio" ]="aiton", - ["aka" ]="akan", - ["als" ]="alsatian", - ["alt" ]="altai", - ["amh" ]="amharic", - ["ang" ]="anglo-saxon", - ["apph"]="phonetic transcription—americanist conventions", - ["ara" ]="arabic", - ["arg" ]="aragonese", - ["ari" ]="aari", - ["ark" ]="rakhine", - ["asm" ]="assamese", - ["ast" ]="asturian", - ["ath" ]="athapaskan", - ["avr" ]="avar", - ["awa" ]="awadhi", - ["aym" ]="aymara", - ["azb" ]="torki", - ["aze" ]="azerbaijani", - ["bad" ]="badaga", - ["bad0"]="banda", - ["bag" ]="baghelkhandi", - ["bal" ]="balkar", - ["ban" ]="balinese", - ["bar" ]="bavarian", - ["bau" ]="baulé", - ["bbc" ]="batak toba", - ["bbr" ]="berber", - ["bch" ]="bench", - ["bcr" ]="bible cree", - ["bdy" ]="bandjalang", - ["bel" ]="belarussian", - ["bem" ]="bemba", - ["ben" ]="bengali", - ["bgc" ]="haryanvi", - ["bgq" ]="bagri", - ["bgr" ]="bulgarian", - ["bhi" ]="bhili", - ["bho" ]="bhojpuri", - ["bik" ]="bikol", - ["bil" ]="bilen", - ["bis" ]="bislama", - ["bjj" ]="kanauji", - ["bkf" ]="blackfoot", - ["bli" ]="baluchi", - ["blk" ]="pa'o karen", - ["bln" ]="balante", - ["blt" ]="balti", - ["bmb" ]="bambara (bamanankan)", - ["bml" ]="bamileke", - ["bos" ]="bosnian", - ["bpy" ]="bishnupriya manipuri", - ["bre" ]="breton", - ["brh" ]="brahui", - ["bri" ]="braj bhasha", - ["brm" ]="burmese", - ["brx" ]="bodo", - ["bsh" ]="bashkir", - ["bsk" ]="burushaski", - ["bti" ]="beti", - ["bts" ]="batak simalungun", - ["bug" ]="bugis", - ["byv" ]="medumba", - ["cak" ]="kaqchikel", - ["cat" ]="catalan", - ["cbk" ]="zamboanga chavacano", - ["cchn"]="chinantec", - ["ceb" ]="cebuano", - ["cgg" ]="chiga", - ["cha" ]="chamorro", - ["che" ]="chechen", - ["chg" ]="chaha gurage", - ["chh" ]="chattisgarhi", - ["chi" ]="chichewa (chewa, nyanja)", - ["chk" ]="chukchi", - ["chk0"]="chuukese", - ["cho" ]="choctaw", - ["chp" ]="chipewyan", - ["chr" ]="cherokee", - ["chu" ]="chuvash", - ["chy" ]="cheyenne", - ["cja" ]="western cham", - ["cjm" ]="eastern cham", - ["cmr" ]="comorian", - ["cop" ]="coptic", - ["cor" ]="cornish", - ["cos" ]="corsican", - ["cpp" ]="creoles", - ["cre" ]="cree", - ["crr" ]="carrier", - ["crt" ]="crimean tatar", - ["csb" ]="kashubian", - ["csl" ]="church slavonic", - ["csy" ]="czech", - ["ctg" ]="chittagonian", - ["cuk" ]="san blas kuna", - ["dan" ]="danish", - ["dar" ]="dargwa", - ["dax" ]="dayi", - ["dcr" ]="woods cree", - ["deu" ]="german", - ["dgo" ]="dogri", - ["dgr" ]="dogri", - ["dhg" ]="dhangu", - ["dhv" ]="divehi (dhivehi, maldivian)", - ["diq" ]="dimli", - ["div" ]="divehi (dhivehi, maldivian)", - ["djr" ]="zarma", - ["djr0"]="djambarrpuyngu", - ["dng" ]="dangme", - ["dnj" ]="dan", - ["dnk" ]="dinka", - ["dri" ]="dari", - ["duj" ]="dhuwal", - ["dun" ]="dungan", - ["dzn" ]="dzongkha", - ["ebi" ]="ebira", - ["ecr" ]="eastern cree", - ["edo" ]="edo", - ["efi" ]="efik", - ["ell" ]="greek", - ["emk" ]="eastern maninkakan", - ["eng" ]="english", - ["erz" ]="erzya", - ["esp" ]="spanish", - ["esu" ]="central yupik", - ["eti" ]="estonian", - ["euq" ]="basque", - ["evk" ]="evenki", - ["evn" ]="even", - ["ewe" ]="ewe", - ["fan" ]="french antillean", - ["fan0"]=" fang", - ["far" ]="persian", - ["fat" ]="fanti", - ["fin" ]="finnish", - ["fji" ]="fijian", - ["fle" ]="dutch (flemish)", - ["fmp" ]="fe’fe’", - ["fne" ]="forest nenets", - ["fon" ]="fon", - ["fos" ]="faroese", - ["fra" ]="french", - ["frc" ]="cajun french", - ["fri" ]="frisian", - ["frl" ]="friulian", - ["frp" ]="arpitan", - ["fta" ]="futa", - ["ful" ]="fulah", - ["fuv" ]="nigerian fulfulde", - ["gad" ]="ga", - ["gae" ]="scottish gaelic (gaelic)", - ["gag" ]="gagauz", - ["gal" ]="galician", - ["gar" ]="garshuni", - ["gaw" ]="garhwali", - ["gez" ]="ge'ez", - ["gih" ]="githabul", - ["gil" ]="gilyak", - ["gil0"]="kiribati (gilbertese)", - ["gkp" ]="kpelle (guinea)", - ["glk" ]="gilaki", - ["gmz" ]="gumuz", - ["gnn" ]="gumatj", - ["gog" ]="gogo", - ["gon" ]="gondi", - ["grn" ]="greenlandic", - ["gro" ]="garo", - ["gua" ]="guarani", - ["guc" ]="wayuu", - ["guf" ]="gupapuyngu", - ["guj" ]="gujarati", - ["guz" ]="gusii", - ["hai" ]="haitian (haitian creole)", - ["hal" ]="halam", - ["har" ]="harauti", - ["hau" ]="hausa", - ["haw" ]="hawaiian", - ["hay" ]="haya", - ["haz" ]="hazaragi", - ["hbn" ]="hammer-banna", - ["her" ]="herero", - ["hil" ]="hiligaynon", - ["hin" ]="hindi", - ["hma" ]="high mari", - ["hmn" ]="hmong", - ["hmo" ]="hiri motu", - ["hnd" ]="hindko", - ["ho" ]="ho", - ["hri" ]="harari", - ["hrv" ]="croatian", - ["hun" ]="hungarian", - ["hye" ]="armenian", - ["hye0"]="armenian east", - ["iba" ]="iban", - ["ibb" ]="ibibio", - ["ibo" ]="igbo", - ["ido" ]="ido", - ["ijo" ]="ijo languages", - ["ile" ]="interlingue", - ["ilo" ]="ilokano", - ["ina" ]="interlingua", - ["ind" ]="indonesian", - ["ing" ]="ingush", - ["inu" ]="inuktitut", - ["ipk" ]="inupiat", - ["ipph"]="phonetic transcription—ipa conventions", - ["iri" ]="irish", - ["irt" ]="irish traditional", - ["isl" ]="icelandic", - ["ism" ]="inari sami", - ["ita" ]="italian", - ["iwr" ]="hebrew", - ["jam" ]="jamaican creole", - ["jan" ]="japanese", - ["jav" ]="javanese", - ["jbo" ]="lojban", - ["jct" ]="krymchak", - ["jii" ]="yiddish", - ["jud" ]="ladino", - ["jul" ]="jula", - ["kab" ]="kabardian", - ["kab0"]="kabyle", - ["kac" ]="kachchi", - ["kal" ]="kalenjin", - ["kan" ]="kannada", - ["kar" ]="karachay", - ["kat" ]="georgian", - ["kaz" ]="kazakh", - ["kde" ]="makonde", - ["kea" ]="kabuverdianu (crioulo)", - ["keb" ]="kebena", - ["kek" ]="kekchi", - ["kge" ]="khutsuri georgian", - ["kha" ]="khakass", - ["khk" ]="khanty-kazim", - ["khm" ]="khmer", - ["khs" ]="khanty-shurishkar", - ["kht" ]="khamti shan", - ["khv" ]="khanty-vakhi", - ["khw" ]="khowar", - ["kik" ]="kikuyu (gikuyu)", - ["kir" ]="kirghiz (kyrgyz)", - ["kis" ]="kisii", - ["kiu" ]="kirmanjki", - ["kjd" ]="southern kiwai", - ["kjp" ]="eastern pwo karen", - ["kjz" ]="bumthangkha", - ["kkn" ]="kokni", - ["klm" ]="kalmyk", - ["kmb" ]="kamba", - ["kmn" ]="kumaoni", - ["kmo" ]="komo", - ["kms" ]="komso", - ["kmz" ]="khorasani turkic", - ["knr" ]="kanuri", - ["kod" ]="kodagu", - ["koh" ]="korean old hangul", - ["kok" ]="konkani", - ["kom" ]="komi", - ["kon" ]="kikongo", - ["kon0"]="kongo", - ["kop" ]="komi-permyak", - ["kor" ]="korean", - ["kos" ]="kosraean", - ["koz" ]="komi-zyrian", - ["kpl" ]="kpelle", - ["kri" ]="krio", - ["krk" ]="karakalpak", - ["krl" ]="karelian", - ["krm" ]="karaim", - ["krn" ]="karen", - ["krt" ]="koorete", - ["ksh" ]="kashmiri", - ["ksh0"]="ripuarian", - ["ksi" ]="khasi", - ["ksm" ]="kildin sami", - ["ksw" ]="s’gaw karen", - ["kua" ]="kuanyama", - ["kui" ]="kui", - ["kul" ]="kulvi", - ["kum" ]="kumyk", - ["kur" ]="kurdish", - ["kuu" ]="kurukh", - ["kuy" ]="kuy", - ["kyk" ]="koryak", - ["kyu" ]="western kayah", - ["lad" ]="ladin", - ["lah" ]="lahuli", - ["lak" ]="lak", - ["lam" ]="lambani", - ["lao" ]="lao", - ["lat" ]="latin", - ["laz" ]="laz", - ["lcr" ]="l-cree", - ["ldk" ]="ladakhi", - ["lez" ]="lezgi", - ["lij" ]="ligurian", - ["lim" ]="limburgish", - ["lin" ]="lingala", - ["lis" ]="lisu", - ["ljp" ]="lampung", - ["lki" ]="laki", - ["lma" ]="low mari", - ["lmb" ]="limbu", - ["lmo" ]="lombard", - ["lmw" ]="lomwe", - ["lom" ]="loma", - ["lrc" ]="luri", - ["lsb" ]="lower sorbian", - ["lsm" ]="lule sami", - ["lth" ]="lithuanian", - ["ltz" ]="luxembourgish", - ["lua" ]="luba-lulua", - ["lub" ]="luba-katanga", - ["lug" ]="ganda", - ["luh" ]="luyia", - ["luo" ]="luo", - ["lvi" ]="latvian", - ["mad" ]="madura", - ["mag" ]="magahi", - ["mah" ]="marshallese", - ["maj" ]="majang", - ["mak" ]="makhuwa", - ["mal" ]="malayalam reformed", - ["mam" ]="mam", - ["man" ]="mansi", - ["map" ]="mapudungun", - ["mar" ]="marathi", - ["maw" ]="marwari", - ["mbn" ]="mbundu", - ["mbo" ]="mbo", - ["mch" ]="manchu", - ["mcr" ]="moose cree", - ["mde" ]="mende", - ["mdr" ]="mandar", - ["men" ]="me'en", - ["mer" ]="meru", - ["mfa" ]="pattani malay", - ["mfe" ]="morisyen", - ["min" ]="minangkabau", - ["miz" ]="mizo", - ["mkd" ]="macedonian", - ["mkr" ]="makasar", - ["mkw" ]="kituba", - ["mle" ]="male", - ["mlg" ]="malagasy", - ["mln" ]="malinke", - ["mlr" ]="malayalam reformed", - ["mly" ]="malay", - ["mnd" ]="mandinka", - ["mng" ]="mongolian", - ["mni" ]="manipuri", - ["mnk" ]="maninka", - ["mnx" ]="manx", - ["moh" ]="mohawk", - ["mok" ]="moksha", - ["mol" ]="moldavian", - ["mon" ]="mon", - ["mor" ]="moroccan", - ["mos" ]="mossi", - ["mri" ]="maori", - ["mth" ]="maithili", - ["mts" ]="maltese", - ["mun" ]="mundari", - ["mus" ]="muscogee", - ["mwl" ]="mirandese", - ["mww" ]="hmong daw", - ["myn" ]="mayan", - ["mzn" ]="mazanderani", - ["nag" ]="naga-assamese", - ["nah" ]="nahuatl", - ["nan" ]="nanai", - ["nap" ]="neapolitan", - ["nas" ]="naskapi", - ["nau" ]="nauruan", - ["nav" ]="navajo", - ["ncr" ]="n-cree", - ["ndb" ]="ndebele", - ["ndc" ]="ndau", - ["ndg" ]="ndonga", - ["nds" ]="low saxon", - ["nep" ]="nepali", - ["new" ]="newari", - ["nga" ]="ngbaka", - ["ngr" ]="nagari", - ["nhc" ]="norway house cree", - ["nis" ]="nisi", - ["niu" ]="niuean", - ["nkl" ]="nyankole", - ["nko" ]="n'ko", - ["nld" ]="dutch", - ["noe" ]="nimadi", - ["nog" ]="nogai", - ["nor" ]="norwegian", - ["nov" ]="novial", - ["nsm" ]="northern sami", - ["nso" ]="sotho, northern", - ["nta" ]="northern tai", - ["nto" ]="esperanto", - ["nym" ]="nyamwezi", - ["nyn" ]="norwegian nynorsk", - ["nza" ]="mbembe tigon", - ["oci" ]="occitan", - ["ocr" ]="oji-cree", - ["ojb" ]="ojibway", - ["ori" ]="odia", - ["oro" ]="oromo", - ["oss" ]="ossetian", - ["paa" ]="palestinian aramaic", - ["pag" ]="pangasinan", - ["pal" ]="pali", - ["pam" ]="pampangan", - ["pan" ]="punjabi", - ["pap" ]="palpa", - ["pap0"]="papiamentu", - ["pas" ]="pashto", - ["pau" ]="palauan", - ["pcc" ]="bouyei", - ["pcd" ]="picard", - ["pdc" ]="pennsylvania german", - ["pgr" ]="polytonic greek", - ["phk" ]="phake", - ["pih" ]="norfolk", - ["pil" ]="filipino", - ["plg" ]="palaung", - ["plk" ]="polish", - ["pms" ]="piemontese", - ["pnb" ]="western panjabi", - ["poh" ]="pocomchi", - ["pon" ]="pohnpeian", - ["pro" ]="provencal", - ["ptg" ]="portuguese", - ["pwo" ]="western pwo karen", - ["qin" ]="chin", - ["quc" ]="k’iche’", - ["quh" ]="quechua (bolivia)", - ["quz" ]="quechua", - ["qvi" ]="quechua (ecuador)", - ["qwh" ]="quechua (peru)", - ["raj" ]="rajasthani", - ["rar" ]="rarotongan", - ["rbu" ]="russian buriat", - ["rcr" ]="r-cree", - ["rej" ]="rejang", - ["ria" ]="riang", - ["rif" ]="tarifit", - ["rit" ]="ritarungo", - ["rkw" ]="arakwal", - ["rms" ]="romansh", - ["rmy" ]="vlax romani", - ["rom" ]="romanian", - ["roy" ]="romany", - ["rsy" ]="rusyn", - ["rtm" ]="rotuman", - ["rua" ]="kinyarwanda", - ["run" ]="rundi", - ["rup" ]="aromanian", - ["rus" ]="russian", - ["sad" ]="sadri", - ["san" ]="sanskrit", - ["sas" ]="sasak", - ["sat" ]="santali", - ["say" ]="sayisi", - ["scn" ]="sicilian", - ["sco" ]="scots", - ["scs" ]="north slavey", - ["sek" ]="sekota", - ["sel" ]="selkup", - ["sga" ]="old irish", - ["sgo" ]="sango", - ["sgs" ]="samogitian", - ["shi" ]="tachelhit", - ["shn" ]="shan", - ["sib" ]="sibe", - ["sid" ]="sidamo", - ["sig" ]="silte gurage", - ["sks" ]="skolt sami", - ["sky" ]="slovak", - ["sla" ]="slavey", - ["slv" ]="slovenian", - ["sml" ]="somali", - ["smo" ]="samoan", - ["sna" ]="sena", - ["sna0"]="shona", - ["snd" ]="sindhi", - ["snh" ]="sinhala (sinhalese)", - ["snk" ]="soninke", - ["sog" ]="sodo gurage", - ["sop" ]="songe", - ["sot" ]="sotho, southern", - ["sqi" ]="albanian", - ["srb" ]="serbian", - ["srd" ]="sardinian", - ["srk" ]="saraiki", - ["srr" ]="serer", - ["ssl" ]="south slavey", - ["ssm" ]="southern sami", - ["stq" ]="saterland frisian", - ["suk" ]="sukuma", - ["sun" ]="sundanese", - ["sur" ]="suri", - ["sva" ]="svan", - ["sve" ]="swedish", - ["swa" ]="swadaya aramaic", - ["swk" ]="swahili", - ["swz" ]="swati", - ["sxt" ]="sutu", - ["sxu" ]="upper saxon", - ["syl" ]="sylheti", - ["syr" ]="syriac", - ["syre"]="estrangela syriac", - ["syrj"]="western syriac", - ["syrn"]="eastern syriac", - ["szl" ]="silesian", - ["tab" ]="tabasaran", - ["taj" ]="tajiki", - ["tam" ]="tamil", - ["tat" ]="tatar", - ["tcr" ]="th-cree", - ["tdd" ]="dehong dai", - ["tel" ]="telugu", - ["tet" ]="tetum", - ["tgl" ]="tagalog", - ["tgn" ]="tongan", - ["tgr" ]="tigre", - ["tgy" ]="tigrinya", - ["tha" ]="thai", - ["tht" ]="tahitian", - ["tib" ]="tibetan", - ["tiv" ]="tiv", - ["tkm" ]="turkmen", - ["tmh" ]="tamashek", - ["tmn" ]="temne", - ["tna" ]="tswana", - ["tne" ]="tundra nenets", - ["tng" ]="tonga", - ["tod" ]="todo", - ["tod0"]="toma", - ["tpi" ]="tok pisin", - ["trk" ]="turkish", - ["tsg" ]="tsonga", - ["tsj" ]="tshangla", - ["tua" ]="turoyo aramaic", - ["tul" ]="tulu", - ["tum" ]="tulu", - ["tuv" ]="tuvin", - ["tvl" ]="tuvalu", - ["twi" ]="twi", - ["tyz" ]="tày", - ["tzm" ]="tamazight", - ["tzo" ]="tzotzil", - ["udm" ]="udmurt", - ["ukr" ]="ukrainian", - ["umb" ]="umbundu", - ["urd" ]="urdu", - ["usb" ]="upper sorbian", - ["uyg" ]="uyghur", - ["uzb" ]="uzbek", - ["vec" ]="venetian", - ["ven" ]="venda", - ["vit" ]="vietnamese", - ["vol" ]="volapük", - ["vro" ]="võro", - ["wa" ]="wa", - ["wag" ]="wagdi", - ["war" ]="waray-waray", - ["wcr" ]="west-cree", - ["wel" ]="welsh", - ["wlf" ]="wolof", - ["wln" ]="walloon", - ["wtm" ]="mewati", - ["xbd" ]="lü", - ["xhs" ]="xhosa", - ["xjb" ]="minjangbal", - ["xkf" ]="khengkha", - ["xog" ]="soga", - ["xpe" ]="kpelle (liberia)", - ["yak" ]="sakha", - ["yao" ]="yao", - ["yap" ]="yapese", - ["yba" ]="yoruba", - ["ycr" ]="y-cree", - ["yic" ]="yi classic", - ["yim" ]="yi modern", - ["zea" ]="zealandic", - ["zgh" ]="standard morrocan tamazigh", - ["zha" ]="zhuang", - ["zhh" ]="chinese, hong kong sar", - ["zhp" ]="chinese phonetic", - ["zhs" ]="chinese simplified", - ["zht" ]="chinese traditional", - ["znd" ]="zande", - ["zul" ]="zulu", - ["zza" ]="zazaki", -} -local features=allocate { - ["aalt"]="access all alternates", - ["abvf"]="above-base forms", - ["abvm"]="above-base mark positioning", - ["abvs"]="above-base substitutions", - ["afrc"]="alternative fractions", - ["akhn"]="akhands", - ["blwf"]="below-base forms", - ["blwm"]="below-base mark positioning", - ["blws"]="below-base substitutions", - ["c2pc"]="petite capitals from capitals", - ["c2sc"]="small capitals from capitals", - ["calt"]="contextual alternates", - ["case"]="case-sensitive forms", - ["ccmp"]="glyph composition/decomposition", - ["cfar"]="conjunct form after ro", - ["cjct"]="conjunct forms", - ["clig"]="contextual ligatures", - ["cpct"]="centered cjk punctuation", - ["cpsp"]="capital spacing", - ["cswh"]="contextual swash", - ["curs"]="cursive positioning", - ["dflt"]="default processing", - ["dist"]="distances", - ["dlig"]="discretionary ligatures", - ["dnom"]="denominators", - ["dtls"]="dotless forms", - ["expt"]="expert forms", - ["falt"]="final glyph alternates", - ["fin2"]="terminal forms #2", - ["fin3"]="terminal forms #3", - ["fina"]="terminal forms", - ["flac"]="flattened accents over capitals", - ["frac"]="fractions", - ["fwid"]="full width", - ["half"]="half forms", - ["haln"]="halant forms", - ["halt"]="alternate half width", - ["hist"]="historical forms", - ["hkna"]="horizontal kana alternates", - ["hlig"]="historical ligatures", - ["hngl"]="hangul", - ["hojo"]="hojo kanji forms", - ["hwid"]="half width", - ["init"]="initial forms", - ["isol"]="isolated forms", - ["ital"]="italics", - ["jalt"]="justification alternatives", - ["jp04"]="jis2004 forms", - ["jp78"]="jis78 forms", - ["jp83"]="jis83 forms", - ["jp90"]="jis90 forms", - ["kern"]="kerning", - ["lfbd"]="left bounds", - ["liga"]="standard ligatures", - ["ljmo"]="leading jamo forms", - ["lnum"]="lining figures", - ["locl"]="localized forms", - ["ltra"]="left-to-right alternates", - ["ltrm"]="left-to-right mirrored forms", - ["mark"]="mark positioning", - ["med2"]="medial forms #2", - ["medi"]="medial forms", - ["mgrk"]="mathematical greek", - ["mkmk"]="mark to mark positioning", - ["mset"]="mark positioning via substitution", - ["nalt"]="alternate annotation forms", - ["nlck"]="nlc kanji forms", - ["nukt"]="nukta forms", - ["numr"]="numerators", - ["onum"]="old style figures", - ["opbd"]="optical bounds", - ["ordn"]="ordinals", - ["ornm"]="ornaments", - ["palt"]="proportional alternate width", - ["pcap"]="petite capitals", - ["pkna"]="proportional kana", - ["pnum"]="proportional figures", - ["pref"]="pre-base forms", - ["pres"]="pre-base substitutions", - ["pstf"]="post-base forms", - ["psts"]="post-base substitutions", - ["pwid"]="proportional widths", - ["qwid"]="quarter widths", - ["rand"]="randomize", - ["rclt"]="required contextual alternates", - ["rkrf"]="rakar forms", - ["rlig"]="required ligatures", - ["rphf"]="reph form", - ["rtbd"]="right bounds", - ["rtla"]="right-to-left alternates", - ["rtlm"]="right to left mirrored forms", - ["rvrn"]="required variation alternates", - ["ruby"]="ruby notation forms", - ["salt"]="stylistic alternates", - ["sinf"]="scientific inferiors", - ["size"]="optical size", - ["smcp"]="small capitals", - ["smpl"]="simplified forms", - ["ssty"]="script style", - ["stch"]="stretching glyph decomposition", - ["subs"]="subscript", - ["sups"]="superscript", - ["swsh"]="swash", - ["titl"]="titling", - ["tjmo"]="trailing jamo forms", - ["tnam"]="traditional name forms", - ["tnum"]="tabular figures", - ["trad"]="traditional forms", - ["twid"]="third widths", - ["unic"]="unicase", - ["valt"]="alternate vertical metrics", - ["vatu"]="vattu variants", - ["vert"]="vertical writing", - ["vhal"]="alternate vertical half metrics", - ["vjmo"]="vowel jamo forms", - ["vkna"]="vertical kana alternates", - ["vkrn"]="vertical kerning", - ["vpal"]="proportional alternate vertical metrics", - ["vrtr"]="vertical alternates for rotation", - ["vrt2"]="vertical rotation", - ["zero"]="slashed zero", - ["trep"]="traditional tex replacements", - ["tlig"]="traditional tex ligatures", - ["ss.."]="stylistic set ..", - ["cv.."]="character variant ..", - ["js.."]="justification ..", - ["dv.."]="devanagari ..", - ["ml.."]="malayalam ..", -} -local baselines=allocate { - ["hang"]="hanging baseline", - ["icfb"]="ideographic character face bottom edge baseline", - ["icft"]="ideographic character face tope edige baseline", - ["ideo"]="ideographic em-box bottom edge baseline", - ["idtp"]="ideographic em-box top edge baseline", - ["math"]="mathematical centered baseline", - ["romn"]="roman baseline" -} -tables.scripts=scripts -tables.languages=languages -tables.features=features -tables.baselines=baselines -local acceptscripts=true directives.register("otf.acceptscripts",function(v) acceptscripts=v end) -local acceptlanguages=true directives.register("otf.acceptlanguages",function(v) acceptlanguages=v end) -local report_checks=logs.reporter("fonts","checks") -if otffeatures.features then - for k,v in next,otffeatures.features do - features[k]=v - end - otffeatures.features=features -end -local function swapped(h) - local r={} - for k,v in next,h do - r[gsub(v,"[^a-z0-9]","")]=k - end - return r -end -local verbosescripts=allocate(swapped(scripts )) -local verboselanguages=allocate(swapped(languages)) -local verbosefeatures=allocate(swapped(features )) -local verbosebaselines=allocate(swapped(baselines)) -local function resolve(t,k) - if k then - k=gsub(lower(k),"[^a-z0-9]","") - local v=rawget(t,k) - if v then - return v - end - end -end -setmetatableindex(verbosescripts,resolve) -setmetatableindex(verboselanguages,resolve) -setmetatableindex(verbosefeatures,resolve) -setmetatableindex(verbosebaselines,resolve) -setmetatableindex(scripts,function(t,k) - if k then - k=lower(k) - if k=="dflt" then - return k - end - local v=rawget(t,k) - if v then - return v - end - k=gsub(k," ","") - v=rawget(t,v) - if v then - return v - elseif acceptscripts then - report_checks("registering extra script %a",k) - rawset(t,k,k) - return k - end - end - return "dflt" -end) -setmetatableindex(languages,function(t,k) - if k then - k=lower(k) - if k=="dflt" then - return k - end - local v=rawget(t,k) - if v then - return v - end - k=gsub(k," ","") - v=rawget(t,v) - if v then - return v - elseif acceptlanguages then - report_checks("registering extra language %a",k) - rawset(t,k,k) - return k - end - end - return "dflt" -end) -if setmetatablenewindex then - setmetatablenewindex(languages,"ignore") - setmetatablenewindex(scripts,"ignore") - setmetatablenewindex(baselines,"ignore") -end -local function resolve(t,k) - if k then - k=lower(k) - local v=rawget(t,k) - if v then - return v - end - k=gsub(k," ","") - local v=rawget(t,k) - if v then - return v - end - local tag,dd=match(k,"(..)(%d+)") - if tag and dd then - local v=rawget(t,tag) - if v then - return v - else - local v=rawget(t,tag.."..") - if v then - return (gsub(v,"%.%.",tonumber(dd))) - end - end - end - end - return k -end -setmetatableindex(features,resolve) -local function assign(t,k,v) - if k and v then - v=lower(v) - rawset(t,k,v) - end -end -if setmetatablenewindex then - setmetatablenewindex(features,assign) -end -local checkers={ - rand=function(v) - return v==true and "random" or v - end -} -if not storage then - return -end -local usedfeatures=statistics.usedfeatures or {} -statistics.usedfeatures=usedfeatures -table.setmetatableindex(usedfeatures,function(t,k) if k then local v={} t[k]=v return v end end) -storage.register("fonts/otf/usedfeatures",usedfeatures,"fonts.handlers.otf.statistics.usedfeatures" ) -local normalizedaxis=otf.readers.helpers.normalizedaxis or function(s) return s end -function otffeatures.normalize(features,wrap) - if features then - local h={} - for key,value in next,features do - local k=lower(key) - if k=="language" then - local v=gsub(lower(value),"[^a-z0-9]","") - h.language=rawget(verboselanguages,v) or (languages[v] and v) or "dflt" - elseif k=="script" then - local v=gsub(lower(value),"[^a-z0-9]","") - h.script=rawget(verbosescripts,v) or (scripts[v] and v) or "dflt" - elseif k=="axis" then - h[k]=normalizedaxis(value) - if not callbacks.supported.glyph_stream_provider then - h.variableshapes=true - end - else - local uk=usedfeatures[key] - local uv=uk[value] - if uv then - else - uv=tonumber(value) - if uv then - elseif type(value)=="string" then - local b=is_boolean(value) - if type(b)=="nil" then - if wrap and find(value,",") then - uv="{"..lower(value).."}" - else - uv=lower(value) - end - else - uv=b - end - elseif type(value)=="table" then - uv=sequenced(t,",") - else - uv=value - end - if not rawget(features,k) then - k=rawget(verbosefeatures,k) or k - end - local c=checkers[k] - if c then - uv=c(uv) or vc - end - uk[value]=uv - end - h[k]=uv - end - end - return h - end -end - -end -- closure - -do -- begin closure to overcome local limits and interference - if not modules then modules={} end modules ['font-cff']={ version=1.001, comment="companion to font-ini.mkiv", @@ -14522,6 +13257,9 @@ do parsedictionaries=function(data,dictionaries,what) stack={} strings=data.strings + if trace_charstrings then + report("charstring format %a",what) + end for i=1,#dictionaries do top=0 result=what=="cff" and { @@ -15323,6 +14061,7 @@ do end end else + top=top-nofregions*n end end local actions={ [0]=unsupported, @@ -20694,2643 +19433,1263 @@ end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['font-oup']={ +if not modules then modules={} end modules ['font-oti']={ 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 next,type=next,type -local P,R,S=lpeg.P,lpeg.R,lpeg.S -local lpegmatch=lpeg.match -local insert,remove,copy,unpack=table.insert,table.remove,table.copy,table.unpack -local formatters=string.formatters -local sortedkeys=table.sortedkeys -local sortedhash=table.sortedhash -local tohash=table.tohash -local setmetatableindex=table.setmetatableindex -local report_error=logs.reporter("otf reader","error") -local report_markwidth=logs.reporter("otf reader","markwidth") -local report_cleanup=logs.reporter("otf reader","cleanup") -local report_optimizations=logs.reporter("otf reader","merges") -local report_unicodes=logs.reporter("otf reader","unicodes") -local trace_markwidth=false trackers.register("otf.markwidth",function(v) trace_markwidth=v end) -local trace_cleanup=false trackers.register("otf.cleanups",function(v) trace_cleanups=v end) -local trace_optimizations=false trackers.register("otf.optimizations",function(v) trace_optimizations=v end) -local trace_unicodes=false trackers.register("otf.unicodes",function(v) trace_unicodes=v end) -local readers=fonts.handlers.otf.readers -local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000 -local f_private=formatters["P%05X"] -local f_unicode=formatters["U%05X"] -local f_index=formatters["I%05X"] -local f_character_y=formatters["%C"] -local f_character_n=formatters["[ %C ]"] -local check_duplicates=true -local check_soft_hyphen=true -directives.register("otf.checksofthyphen",function(v) - check_soft_hyphen=v -end) -local function replaced(list,index,replacement) - if type(list)=="number" then - return replacement - elseif type(replacement)=="table" then - local t={} - local n=index-1 - for i=1,n do - t[i]=list[i] - end - for i=1,#replacement do - n=n+1 - t[n]=replacement[i] - end - for i=index+1,#list do - n=n+1 - t[n]=list[i] - end - else - list[index]=replacement - return list - end -end -local function unifyresources(fontdata,indices) - local descriptions=fontdata.descriptions - local resources=fontdata.resources - if not descriptions or not resources then - return - end - local nofindices=#indices - local variants=fontdata.resources.variants - if variants then - for selector,unicodes in next,variants do - for unicode,index in next,unicodes do - unicodes[unicode]=indices[index] - end - end - end - local function remark(marks) - if marks then - local newmarks={} - for k,v in next,marks do - local u=indices[k] - if u then - newmarks[u]=v - elseif trace_optimizations then - report_optimizations("discarding mark %i",k) - end - end - return newmarks - end - end - local marks=resources.marks - if marks then - resources.marks=remark(marks) - end - local markclasses=resources.markclasses - if markclasses then - for class,marks in next,markclasses do - markclasses[class]=remark(marks) - end - end - local marksets=resources.marksets - if marksets then - for class,marks in next,marksets do - marksets[class]=remark(marks) - end - end - local done={} - local duplicates=check_duplicates and resources.duplicates - if duplicates and not next(duplicates) then - duplicates=false - end - local function recover(cover) - for i=1,#cover do - local c=cover[i] - if not done[c] then - local t={} - for k,v in next,c do - local ug=indices[k] - if ug then - t[ug]=v - else - report_error("case %i, bad index in unifying %s: %s of %s",1,"coverage",k,nofindices) - end - end - cover[i]=t - done[c]=d - end - end - end - local function recursed(c,kind) - local t={} - for g,d in next,c do - if type(d)=="table" then - local ug=indices[g] - if ug then - t[ug]=recursed(d,kind) - else - report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g,nofindices) - end - else - t[g]=indices[d] - end - end - return t - end - local function unifythem(sequences) - if not sequences then - return - end - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local features=sequence.features - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gsub_single" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - local ud1=indices[d1] - if ud1 then - t1[ug1]=ud1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=ud1 - end - end - else - report_error("case %i, bad index in unifying %s: %s of %s",3,kind,d1,nofindices) - end - else - report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) - end - end - else - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - t1[ug1]=indices[d1] - else - report_error("fuzzy case %i in unifying %s: %i",2,kind,g1) - end - end - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gpos_pair" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - local t2=done[d1] - if not t2 then - t2={} - for g2,d2 in next,d1 do - local ug2=indices[g2] - if ug2 then - t2[ug2]=d2 - else - report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g2,nofindices,nofindices) - end - end - done[d1]=t2 - end - t1[ug1]=t2 - else - report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) - end - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gsub_ligature" then - local c=step.coverage - if c then - step.coverage=recursed(c,kind) - end - elseif kind=="gsub_alternate" or kind=="gsub_multiple" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - for i=1,#d1 do - local d1i=d1[i] - local d1u=indices[d1i] - if d1u then - d1[i]=d1u - else - report_error("case %i, bad index in unifying %s: %s of %s",1,kind,i,d1i,nofindices) - end - end - local ug1=indices[g1] - if ug1 then - t1[ug1]=d1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=copy(d1) - end - end - else - report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) - end - end - else - for g1,d1 in next,c do - for i=1,#d1 do - local d1i=d1[i] - local d1u=indices[d1i] - if d1u then - d1[i]=d1u - else - report_error("case %i, bad index in unifying %s: %s of %s",2,kind,d1i,nofindices) - end - end - t1[indices[g1]]=d1 - end - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gpos_single" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - t1[ug1]=d1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=d1 - end - end - else - report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) - end - end - else - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - t1[ug1]=d1 - else - report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) - end - end - end - done[c]=t1 - end - step.coverage=t1 - end - elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" or kind=="gpos_mark2ligature" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - t1[ug1]=d1 - else - report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) - end - end - done[c]=t1 - end - step.coverage=t1 - end - local c=step.baseclasses - if c then - local t1=done[c] - if not t1 then - for g1,d1 in next,c do - local t2=done[d1] - if not t2 then - t2={} - for g2,d2 in next,d1 do - local ug2=indices[g2] - if ug2 then - t2[ug2]=d2 - else - report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g2,nofindices) - end - end - done[d1]=t2 - end - c[g1]=t2 - end - done[c]=c - end - end - elseif kind=="gpos_cursive" then - local c=step.coverage - if c then - local t1=done[c] - if not t1 then - t1={} - if duplicates then - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - t1[ug1]=d1 - local dg1=duplicates[ug1] - if dg1 then - for u in next,dg1 do - t1[u]=copy(d1) - end - end - else - report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) - end - end - else - for g1,d1 in next,c do - local ug1=indices[g1] - if ug1 then - t1[ug1]=d1 - else - report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) - end - end - end - done[c]=t1 - end - step.coverage=t1 - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local before=rule.before if before then recover(before) end - local after=rule.after if after then recover(after) end - local current=rule.current if current then recover(current) end - local replacements=rule.replacements - if replacements then - if not done[replacements] then - local r={} - for k,v in next,replacements do - r[indices[k]]=indices[v] - end - rule.replacements=r - done[replacements]=r - end - end - end - end - end - end - end - end - unifythem(resources.sequences) - unifythem(resources.sublookups) -end -local function copyduplicates(fontdata) - if check_duplicates then - local descriptions=fontdata.descriptions - local resources=fontdata.resources - local duplicates=resources.duplicates - if check_soft_hyphen then - local ds=descriptions[0xAD] - if not ds or ds.width==0 then - if ds then - descriptions[0xAD]=nil - if trace_unicodes then - report_unicodes("patching soft hyphen") - end - else - if trace_unicodes then - report_unicodes("adding soft hyphen") - end - end - if not duplicates then - duplicates={} - resources.duplicates=duplicates - end - local dh=duplicates[0x2D] - if dh then - dh[#dh+1]={ [0xAD]=true } - else - duplicates[0x2D]={ [0xAD]=true } - end - end - end - if duplicates then - for u,d in next,duplicates do - local du=descriptions[u] - if du then - local t={ f_character_y(u),"@",f_index(du.index),"->" } - local n=0 - local m=25 - for u in next,d do - if descriptions[u] then - if n<m then - t[n+4]=f_character_n(u) - end - else - local c=copy(du) - c.unicode=u - descriptions[u]=c - if n<m then - t[n+4]=f_character_y(u) - end - end - n=n+1 - end - if trace_unicodes then - if n<=m then - report_unicodes("%i : % t",n,t) - else - report_unicodes("%i : % t ...",n,t) - end - end - else - end - end - end - end -end -local ignore={ - ["notdef"]=true, - [".notdef"]=true, - ["null"]=true, - [".null"]=true, - ["nonmarkingreturn"]=true, +local lower=string.lower +local fonts=fonts +local constructors=fonts.constructors +local otf=constructors.handlers.otf +local otffeatures=constructors.features.otf +local registerotffeature=otffeatures.register +local otftables=otf.tables or {} +otf.tables=otftables +local allocate=utilities.storage.allocate +registerotffeature { + name="features", + description="initialization of feature handler", + default=true, } -local function checklookups(fontdata,missing,nofmissing) - local descriptions=fontdata.descriptions - local resources=fontdata.resources - if missing and nofmissing and nofmissing<=0 then - return - end - local singles={} - local alternates={} - local ligatures={} - if not missing then - missing={} - nofmissing=0 - for u,d in next,descriptions do - if not d.unicode then - nofmissing=nofmissing+1 - missing[u]=true - end - end - end - local function collectthem(sequences) - if not sequences then - return - end - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gsub_single" then - local c=step.coverage - if c then - singles[#singles+1]=c - end - elseif kind=="gsub_alternate" then - local c=step.coverage - if c then - alternates[#alternates+1]=c - end - elseif kind=="gsub_ligature" then - local c=step.coverage - if c then - ligatures[#ligatures+1]=c - end - end - end - end - end - end - collectthem(resources.sequences) - collectthem(resources.sublookups) - local loops=0 - while true do - loops=loops+1 - local old=nofmissing - for i=1,#singles do - local c=singles[i] - for g1,g2 in next,c do - if missing[g1] then - local u2=descriptions[g2].unicode - if u2 then - missing[g1]=false - descriptions[g1].unicode=u2 - nofmissing=nofmissing-1 - end - end - if missing[g2] then - local u1=descriptions[g1].unicode - if u1 then - missing[g2]=false - descriptions[g2].unicode=u1 - nofmissing=nofmissing-1 - end - end - end - end - for i=1,#alternates do - local c=alternates[i] - for g1,d1 in next,c do - if missing[g1] then - for i=1,#d1 do - local g2=d1[i] - local u2=descriptions[g2].unicode - if u2 then - missing[g1]=false - descriptions[g1].unicode=u2 - nofmissing=nofmissing-1 - end - end - end - if not missing[g1] then - for i=1,#d1 do - local g2=d1[i] - if missing[g2] then - local u1=descriptions[g1].unicode - if u1 then - missing[g2]=false - descriptions[g2].unicode=u1 - nofmissing=nofmissing-1 - end - end - end - end - end - end - if nofmissing<=0 then - if trace_unicodes then - report_unicodes("all missings done in %s loops",loops) - end - return - elseif old==nofmissing then - break - end - end - local t,n - local function recursed(c) - for g,d in next,c do - if g~="ligature" then - local u=descriptions[g].unicode - if u then - n=n+1 - t[n]=u - recursed(d) - n=n-1 - end - elseif missing[d] then - local l={} - local m=0 - for i=1,n do - local u=t[i] - if type(u)=="table" then - for i=1,#u do - m=m+1 - l[m]=u[i] - end - else - m=m+1 - l[m]=u - end - end - missing[d]=false - descriptions[d].unicode=l - nofmissing=nofmissing-1 - end - end - end - if nofmissing>0 then - t={} - n=0 - local loops=0 - while true do - loops=loops+1 - local old=nofmissing - for i=1,#ligatures do - recursed(ligatures[i]) - end - if nofmissing<=0 then - if trace_unicodes then - report_unicodes("all missings done in %s loops",loops) - end - return - elseif old==nofmissing then - break - end - end - t=nil - n=0 - end - if trace_unicodes and nofmissing>0 then - local done={} - for i,r in next,missing do - if r then - local data=descriptions[i] - local name=data and data.name or f_index(i) - if not ignore[name] then - done[name]=true - end - end - end - if next(done) then - report_unicodes("not unicoded: % t",sortedkeys(done)) - end +local function setmode(tfmdata,value) + if value then + tfmdata.properties.mode=lower(value) end end -local firstprivate=fonts.privateoffsets and fonts.privateoffsets.textbase or 0xF0000 -local puafirst=0xE000 -local pualast=0xF8FF -local function unifymissing(fontdata) - if not fonts.mappings then - require("font-map") - require("font-agl") - end - local unicodes={} - local resources=fontdata.resources - resources.unicodes=unicodes - for unicode,d in next,fontdata.descriptions do - if unicode<privateoffset then - if unicode>=puafirst and unicode<=pualast then - else - local name=d.name - if name then - unicodes[name]=unicode - end - end +otf.modeinitializer=setmode +local function setlanguage(tfmdata,value) + if value then + local cleanvalue=lower(value) + local languages=otftables and otftables.languages + local properties=tfmdata.properties + if not languages then + properties.language=cleanvalue + elseif languages[value] then + properties.language=cleanvalue else + properties.language="dflt" end end - fonts.mappings.addtounicode(fontdata,fontdata.filename,checklookups) - resources.unicodes=nil -end -local function unifyglyphs(fontdata,usenames) - local private=fontdata.private or privateoffset - local glyphs=fontdata.glyphs - local indices={} - local descriptions={} - local names=usenames and {} - local resources=fontdata.resources - local zero=glyphs[0] - local zerocode=zero.unicode - if not zerocode then - zerocode=private - zero.unicode=zerocode - private=private+1 - end - descriptions[zerocode]=zero - if names then - local name=glyphs[0].name or f_private(zerocode) - indices[0]=name - names[name]=zerocode - else - indices[0]=zerocode - end - if names then - for index=1,#glyphs do - local glyph=glyphs[index] - local unicode=glyph.unicode - if not unicode then - unicode=private - local name=glyph.name or f_private(unicode) - indices[index]=name - names[name]=unicode - private=private+1 - elseif unicode>=firstprivate then - unicode=private - local name=glyph.name or f_private(unicode) - indices[index]=name - names[name]=unicode - private=private+1 - elseif unicode>=puafirst and unicode<=pualast then - local name=glyph.name or f_private(unicode) - indices[index]=name - names[name]=unicode - elseif descriptions[unicode] then - unicode=private - local name=glyph.name or f_private(unicode) - indices[index]=name - names[name]=unicode - private=private+1 - else - local name=glyph.name or f_unicode(unicode) - indices[index]=name - names[name]=unicode - end - descriptions[unicode]=glyph - end - elseif trace_unicodes then - for index=1,#glyphs do - local glyph=glyphs[index] - local unicode=glyph.unicode - if not unicode then - unicode=private - indices[index]=unicode - private=private+1 - elseif unicode>=firstprivate then - local name=glyph.name - if name then - report_unicodes("moving glyph %a indexed %05X from private %U to %U ",name,index,unicode,private) - else - report_unicodes("moving glyph indexed %05X from private %U to %U ",index,unicode,private) - end - unicode=private - indices[index]=unicode - private=private+1 - elseif unicode>=puafirst and unicode<=pualast then - local name=glyph.name - if name then - report_unicodes("keeping private unicode %U for glyph %a indexed %05X",unicode,name,index) - else - report_unicodes("keeping private unicode %U for glyph indexed %05X",unicode,index) - end - indices[index]=unicode - elseif descriptions[unicode] then - local name=glyph.name - if name then - report_unicodes("assigning duplicate unicode %U to %U for glyph %a indexed %05X ",unicode,private,name,index) - else - report_unicodes("assigning duplicate unicode %U to %U for glyph indexed %05X ",unicode,private,index) - end - unicode=private - indices[index]=unicode - private=private+1 - else - indices[index]=unicode - end - descriptions[unicode]=glyph - end - else - for index=1,#glyphs do - local glyph=glyphs[index] - local unicode=glyph.unicode - if not unicode then - unicode=private - indices[index]=unicode - private=private+1 - elseif unicode>=firstprivate then - local name=glyph.name - unicode=private - indices[index]=unicode - private=private+1 - elseif unicode>=puafirst and unicode<=pualast then - local name=glyph.name - indices[index]=unicode - elseif descriptions[unicode] then - local name=glyph.name - unicode=private - indices[index]=unicode - private=private+1 - else - indices[index]=unicode - end - descriptions[unicode]=glyph - end - end - for index=1,#glyphs do - local math=glyphs[index].math - if math then - local list=math.vparts - if list then - for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end - end - local list=math.hparts - if list then - for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end - end - local list=math.vvariants - if list then - for i=1,#list do list[i]=indices[list[i]] end - end - local list=math.hvariants - if list then - for i=1,#list do list[i]=indices[list[i]] end - end - end - end - local colorpalettes=resources.colorpalettes - if colorpalettes then - for index=1,#glyphs do - local colors=glyphs[index].colors - if colors then - for i=1,#colors do - local c=colors[i] - c.slot=indices[c.slot] - end - end - end - end - fontdata.private=private - fontdata.glyphs=nil - fontdata.names=names - fontdata.descriptions=descriptions - fontdata.hashmethod=hashmethod - return indices,names -end -local p_crappyname do - local p_hex=R("af","AF","09") - local p_digit=R("09") - local p_done=S("._-")^0+P(-1) - local p_alpha=R("az","AZ") - local p_ALPHA=R("AZ") - p_crappyname=( - lpeg.utfchartabletopattern({ "uni","u" },true)*S("Xx_")^0*p_hex^1 -+lpeg.utfchartabletopattern({ "identity","glyph","jamo" },true)*p_hex^1 -+lpeg.utfchartabletopattern({ "index","afii" },true)*p_digit^1 -+p_digit*p_hex^3+p_alpha*p_digit^1 -+P("aj")*p_digit^1+P("eh_")*(p_digit^1+p_ALPHA*p_digit^1)+(1-P("_"))^1*P("_uni")*p_hex^1+P("_")*P(1)^1 - )*p_done end -local forcekeep=false -directives.register("otf.keepnames",function(v) - report_cleanup("keeping weird glyph names, expect larger files and more memory usage") - forcekeep=v -end) -local function stripredundant(fontdata) - local descriptions=fontdata.descriptions - if descriptions then - local n=0 - local c=0 - if (not context and fonts.privateoffsets.keepnames) or forcekeep then - for unicode,d in next,descriptions do - if d.class=="base" then - d.class=nil - c=c+1 - end - end +local function setscript(tfmdata,value) + if value then + local cleanvalue=lower(value) + local scripts=otftables and otftables.scripts + local properties=tfmdata.properties + if not scripts then + properties.script=cleanvalue + elseif scripts[value] then + properties.script=cleanvalue else - for unicode,d in next,descriptions do - local name=d.name - if name and lpegmatch(p_crappyname,name) then - d.name=nil - n=n+1 - end - if d.class=="base" then - d.class=nil - c=c+1 - end - end - end - if trace_cleanup then - if n>0 then - report_cleanup("%s bogus names removed (verbose unicode)",n) - end - if c>0 then - report_cleanup("%s base class tags removed (default is base)",c) - end - end - end -end -readers.stripredundant=stripredundant -function readers.getcomponents(fontdata) - local resources=fontdata.resources - if resources then - local sequences=resources.sequences - if sequences then - local collected={} - for i=1,#sequences do - local sequence=sequences[i] - if sequence.type=="gsub_ligature" then - local steps=sequence.steps - if steps then - local l={} - local function traverse(p,k,v) - if k=="ligature" then - collected[v]={ unpack(l) } - else - insert(l,k) - for k,vv in next,v do - traverse(p,k,vv) - end - remove(l) - end - end - for i=1,#steps do - local c=steps[i].coverage - if c then - for k,v in next,c do - traverse(k,k,v) - end - end - end - end - end - end - if next(collected) then - while true do - local done=false - for k,v in next,collected do - for i=1,#v do - local vi=v[i] - if vi==k then - collected[k]=nil - break - else - local c=collected[vi] - if c then - done=true - local t={} - local n=i-1 - for j=1,n do - t[j]=v[j] - end - for j=1,#c do - n=n+1 - t[n]=c[j] - end - for j=i+1,#v do - n=n+1 - t[n]=v[j] - end - collected[k]=t - break - end - end - end - end - if not done then - break - end - end - return collected - end + properties.script="dflt" end end end -readers.unifymissing=unifymissing -function readers.rehash(fontdata,hashmethod) - if not (fontdata and fontdata.glyphs) then - return - end - if hashmethod=="indices" then - fontdata.hashmethod="indices" - elseif hashmethod=="names" then - fontdata.hashmethod="names" - local indices=unifyglyphs(fontdata,true) - unifyresources(fontdata,indices) - copyduplicates(fontdata) - unifymissing(fontdata) - else - fontdata.hashmethod="unicodes" - local indices=unifyglyphs(fontdata) - unifyresources(fontdata,indices) - copyduplicates(fontdata) - unifymissing(fontdata) - stripredundant(fontdata) - end -end -function readers.checkhash(fontdata) - local hashmethod=fontdata.hashmethod - if hashmethod=="unicodes" then - fontdata.names=nil - elseif hashmethod=="names" and fontdata.names then - unifyresources(fontdata,fontdata.names) - copyduplicates(fontdata) - fontdata.hashmethod="unicodes" - fontdata.names=nil - else - readers.rehash(fontdata,"unicodes") - end -end -function readers.addunicodetable(fontdata) - local resources=fontdata.resources - local unicodes=resources.unicodes - if not unicodes then - local descriptions=fontdata.descriptions - if descriptions then - unicodes={} - resources.unicodes=unicodes - for u,d in next,descriptions do - local n=d.name - if n then - unicodes[n]=u - end +registerotffeature { + name="mode", + description="mode", + initializers={ + base=setmode, + node=setmode, + plug=setmode, + } +} +registerotffeature { + name="language", + description="language", + initializers={ + base=setlanguage, + node=setlanguage, + plug=setlanguage, + } +} +registerotffeature { + name="script", + description="script", + initializers={ + base=setscript, + node=setscript, + plug=setscript, + } +} +otftables.featuretypes=allocate { + gpos_single="position", + gpos_pair="position", + gpos_cursive="position", + gpos_mark2base="position", + gpos_mark2ligature="position", + gpos_mark2mark="position", + gpos_context="position", + gpos_contextchain="position", + gsub_single="substitution", + gsub_multiple="substitution", + gsub_alternate="substitution", + gsub_ligature="substitution", + gsub_context="substitution", + gsub_contextchain="substitution", + gsub_reversecontextchain="substitution", + gsub_reversesub="substitution", +} +function otffeatures.checkeddefaultscript(featuretype,autoscript,scripts) + if featuretype=="position" then + local default=scripts.dflt + if default then + if autoscript=="position" or autoscript==true then + return default + else + report_otf("script feature %s not applied, enable default positioning") end - end - end -end -local concat,sort=table.concat,table.sort -local next,type,tostring=next,type,tostring -local criterium=1 -local threshold=0 -local trace_packing=false trackers.register("otf.packing",function(v) trace_packing=v end) -local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) -local report_otf=logs.reporter("fonts","otf loading") -local function tabstr_normal(t) - local s={} - local n=0 - for k,v in next,t do - n=n+1 - if type(v)=="table" then - s[n]=k..">"..tabstr_normal(v) - elseif v==true then - s[n]=k.."+" - elseif v then - s[n]=k.."="..v else - s[n]=k.."-" end - end - if n==0 then - return "" - elseif n==1 then - return s[1] - else - sort(s) - return concat(s,",") - end -end -local function tabstr_flat(t) - local s={} - local n=0 - for k,v in next,t do - n=n+1 - s[n]=k.."="..v - end - if n==0 then - return "" - elseif n==1 then - return s[1] - else - sort(s) - return concat(s,",") - end -end -local function tabstr_mixed(t) - local s={} - local n=#t - if n==0 then - return "" - elseif n==1 then - local k=t[1] - if k==true then - return "++" - elseif k==false then - return "--" - else - return tostring(k) - end - else - for i=1,n do - local k=t[i] - if k==true then - s[i]="++" - elseif k==false then - s[i]="--" - else - s[i]=k + elseif featuretype=="substitution" then + local default=scripts.dflt + if default then + if autoscript=="substitution" or autoscript==true then + return default end end - return concat(s,",") end end -local function tabstr_boolean(t) - local s={} - local n=0 - for k,v in next,t do - n=n+1 - if v then - s[n]=k.."+" - else - s[n]=k.."-" - end - end - if n==0 then - return "" - elseif n==1 then - return s[1] - else - sort(s) - return concat(s,",") - end -end -function readers.pack(data) - if data then - local h,t,c={},{},{} - local hh,tt,cc={},{},{} - local nt,ntt=0,0 - local function pack_normal(v) - local tag=tabstr_normal(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_normal_cc(v) - local tag=tabstr_normal(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - v[1]=0 - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_flat(v) - local tag=tabstr_flat(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_indexed(v) - local tag=concat(v," ") - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_mixed(v) - local tag=tabstr_mixed(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_boolean(v) - local tag=tabstr_boolean(v) - local ht=h[tag] - if ht then - c[ht]=c[ht]+1 - return ht - else - nt=nt+1 - t[nt]=v - h[tag]=nt - c[nt]=1 - return nt - end - end - local function pack_final(v) - if c[v]<=criterium then - return t[v] - else - local hv=hh[v] - if hv then - return hv - else - ntt=ntt+1 - tt[ntt]=t[v] - hh[v]=ntt - cc[ntt]=c[v] - return ntt - end - end - end - local function pack_final_cc(v) - if c[v]<=criterium then - return t[v] - else - local hv=hh[v] - if hv then - return hv - else - ntt=ntt+1 - tt[ntt]=t[v] - hh[v]=ntt - cc[ntt]=c[v] - return ntt - end - end - end - local function success(stage,pass) - if nt==0 then - if trace_loading or trace_packing then - report_otf("pack quality: nothing to pack") - end - return false - elseif nt>=threshold then - local one=0 - local two=0 - local rest=0 - if pass==1 then - for k,v in next,c do - if v==1 then - one=one+1 - elseif v==2 then - two=two+1 - else - rest=rest+1 - end - end - else - for k,v in next,cc do - if v>20 then - rest=rest+1 - elseif v>10 then - two=two+1 - else - one=one+1 - end - end - data.tables=tt - end - if trace_loading or trace_packing then - report_otf("pack quality: stage %s, pass %s, %s packed, 1-10:%s, 11-20:%s, rest:%s (criterium: %s)", - stage,pass,one+two+rest,one,two,rest,criterium) - end - return true - else - if trace_loading or trace_packing then - report_otf("pack quality: stage %s, pass %s, %s packed, aborting pack (threshold: %s)", - stage,pass,nt,threshold) - end - return false - end - end - local function packers(pass) - if pass==1 then - return pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc +function otffeatures.checkeddefaultlanguage(featuretype,autolanguage,languages) + if featuretype=="position" then + local default=languages.dflt + if default then + if autolanguage=="position" or autolanguage==true then + return default else - return pack_final,pack_final,pack_final,pack_final,pack_final,pack_final_cc - end - end - local resources=data.resources - local sequences=resources.sequences - local sublookups=resources.sublookups - local features=resources.features - local palettes=resources.colorpalettes - local variable=resources.variabledata - local chardata=characters and characters.data - local descriptions=data.descriptions or data.glyphs - if not descriptions then - return - end - for pass=1,2 do - if trace_packing then - report_otf("start packing: stage 1, pass %s",pass) - end - local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass) - for unicode,description in next,descriptions do - local boundingbox=description.boundingbox - if boundingbox then - description.boundingbox=pack_indexed(boundingbox) - end - local math=description.math - if math then - local kerns=math.kerns - if kerns then - for tag,kern in next,kerns do - kerns[tag]=pack_normal(kern) - end - end - end - end - local function packthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local order=sequence.order - local features=sequence.features - local flags=sequence.flags - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format~="pair" then - for g1,d1 in next,c do - c[g1]=pack_normal(d1) - end - elseif step.shared then - local shared={} - for g1,d1 in next,c do - for g2,d2 in next,d1 do - if not shared[d2] then - local f=d2[1] if f and f~=true then d2[1]=pack_indexed(f) end - local s=d2[2] if s and s~=true then d2[2]=pack_indexed(s) end - shared[d2]=true - end - end - end - if pass==2 then - step.shared=nil - end - else - for g1,d1 in next,c do - for g2,d2 in next,d1 do - local f=d2[1] if f and f~=true then d2[1]=pack_indexed(f) end - local s=d2[2] if s and s~=true then d2[2]=pack_indexed(s) end - end - end - end - end - elseif kind=="gpos_single" then - local c=step.coverage - if c then - if step.format=="single" then - for g1,d1 in next,c do - if d1 and d1~=true then - c[g1]=pack_indexed(d1) - end - end - else - step.coverage=pack_normal(c) - end - end - elseif kind=="gpos_cursive" then - local c=step.coverage - if c then - for g1,d1 in next,c do - local f=d1[2] if f then d1[2]=pack_indexed(f) end - local s=d1[3] if s then d1[3]=pack_indexed(s) end - end - end - elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - d1[g2]=pack_indexed(d2) - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - d1[2]=pack_indexed(d1[2]) - end - end - elseif kind=="gpos_mark2ligature" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - for g3,d3 in next,d2 do - d2[g3]=pack_indexed(d3) - end - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - d1[2]=pack_indexed(d1[2]) - end - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local r=rule.before if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end - local r=rule.after if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end - local r=rule.current if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end - local r=rule.replacements if r then rule.replacements=pack_flat (r) end - end - end - end - end - if order then - sequence.order=pack_indexed(order) - end - if features then - for script,feature in next,features do - features[script]=pack_normal(feature) - end - end - if flags then - sequence.flags=pack_normal(flags) - end - end - end - if sequences then - packthem(sequences) - end - if sublookups then - packthem(sublookups) - end - if features then - for k,list in next,features do - for feature,spec in next,list do - list[feature]=pack_normal(spec) - end - end - end - if palettes then - for i=1,#palettes do - local p=palettes[i] - for j=1,#p do - p[j]=pack_indexed(p[j]) - end - end - end - if variable then - local instances=variable.instances - if instances then - for i=1,#instances do - local v=instances[i].values - for j=1,#v do - v[j]=pack_normal(v[j]) - end - end - end - local function packdeltas(main) - if main then - local deltas=main.deltas - if deltas then - for i=1,#deltas do - local di=deltas[i] - local d=di.deltas - for j=1,#d do - d[j]=pack_indexed(d[j]) - end - di.regions=pack_indexed(di.regions) - end - end - local regions=main.regions - if regions then - for i=1,#regions do - local r=regions[i] - for j=1,#r do - r[j]=pack_normal(r[j]) - end - end - end - end - end - packdeltas(variable.global) - packdeltas(variable.horizontal) - packdeltas(variable.vertical) - packdeltas(variable.metrics) - end - if not success(1,pass) then - return + report_otf("language feature %s not applied, enable default positioning") end + else end - if nt>0 then - for pass=1,2 do - if trace_packing then - report_otf("start packing: stage 2, pass %s",pass) - end - local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass) - for unicode,description in next,descriptions do - local math=description.math - if math then - local kerns=math.kerns - if kerns then - math.kerns=pack_normal(kerns) - end - end - end - local function packthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local features=sequence.features - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format=="pair" then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - d1[g2]=pack_normal(d2) - end - end - end - end - elseif kind=="gpos_mark2ligature" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - d1[g2]=pack_normal(d2) - end - end - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local r=rule.before if r then rule.before=pack_normal(r) end - local r=rule.after if r then rule.after=pack_normal(r) end - local r=rule.current if r then rule.current=pack_normal(r) end - end - end - end - end - if features then - sequence.features=pack_normal(features) - end - end - end - if sequences then - packthem(sequences) - end - if sublookups then - packthem(sublookups) - end - if variable then - local function unpackdeltas(main) - if main then - local regions=main.regions - if regions then - main.regions=pack_normal(regions) - end - end - end - unpackdeltas(variable.global) - unpackdeltas(variable.horizontal) - unpackdeltas(variable.vertical) - unpackdeltas(variable.metrics) - end - end - for pass=1,2 do - if trace_packing then - report_otf("start packing: stage 3, pass %s",pass) - end - local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass) - local function packthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local features=sequence.features - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format=="pair" then - for g1,d1 in next,c do - c[g1]=pack_normal(d1) - end - end - end - elseif kind=="gpos_cursive" then - local c=step.coverage - if c then - for g1,d1 in next,c do - c[g1]=pack_normal_cc(d1) - end - end - end - end - end - end - end - if sequences then - packthem(sequences) - end - if sublookups then - packthem(sublookups) - end + elseif featuretype=="substitution" then + local default=languages.dflt + if default then + if autolanguage=="substitution" or autolanguage==true then + return default end end end end -local unpacked_mt={ - __index=function(t,k) - t[k]=false - return k - end + +end -- closure + +do -- begin closure to overcome local limits and interference + +if not modules then modules={} end modules ["font-ott"]={ + 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", } -function readers.unpack(data) - if data then - local tables=data.tables - if tables then - local resources=data.resources - local descriptions=data.descriptions or data.glyphs - local sequences=resources.sequences - local sublookups=resources.sublookups - local features=resources.features - local palettes=resources.colorpalettes - local variable=resources.variabledata - local unpacked={} - setmetatable(unpacked,unpacked_mt) - for unicode,description in next,descriptions do - local tv=tables[description.boundingbox] - if tv then - description.boundingbox=tv - end - local math=description.math - if math then - local kerns=math.kerns - if kerns then - local tm=tables[kerns] - if tm then - math.kerns=tm - kerns=unpacked[tm] - end - if kerns then - for k,kern in next,kerns do - local tv=tables[kern] - if tv then - kerns[k]=tv - end - end - end - end - end - end - local function unpackthem(sequences) - for i=1,#sequences do - local sequence=sequences[i] - local kind=sequence.type - local steps=sequence.steps - local order=sequence.order - local features=sequence.features - local flags=sequence.flags - local markclass=sequence.markclass - if features then - local tv=tables[features] - if tv then - sequence.features=tv - features=tv - end - for script,feature in next,features do - local tv=tables[feature] - if tv then - features[script]=tv - end - end - end - if steps then - for i=1,#steps do - local step=steps[i] - if kind=="gpos_pair" then - local c=step.coverage - if c then - if step.format=="pair" then - for g1,d1 in next,c do - local tv=tables[d1] - if tv then - c[g1]=tv - d1=tv - end - for g2,d2 in next,d1 do - local tv=tables[d2] - if tv then - d1[g2]=tv - d2=tv - end - local f=tables[d2[1]] if f then d2[1]=f end - local s=tables[d2[2]] if s then d2[2]=s end - end - end - else - for g1,d1 in next,c do - local tv=tables[d1] - if tv then - c[g1]=tv - end - end - end - end - elseif kind=="gpos_single" then - local c=step.coverage - if c then - if step.format=="single" then - for g1,d1 in next,c do - local tv=tables[d1] - if tv then - c[g1]=tv - end - end - else - local tv=tables[c] - if tv then - step.coverage=tv - end - end - end - elseif kind=="gpos_cursive" then - local c=step.coverage - if c then - for g1,d1 in next,c do - local tv=tables[d1] - if tv then - d1=tv - c[g1]=d1 - end - local f=tables[d1[2]] if f then d1[2]=f end - local s=tables[d1[3]] if s then d1[3]=s end - end - end - elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - local tv=tables[d2] - if tv then - d1[g2]=tv - end - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - local tv=tables[d1[2]] - if tv then - d1[2]=tv - end - end - end - elseif kind=="gpos_mark2ligature" then - local c=step.baseclasses - if c then - for g1,d1 in next,c do - for g2,d2 in next,d1 do - local tv=tables[d2] - if tv then - d2=tv - d1[g2]=d2 - end - for g3,d3 in next,d2 do - local tv=tables[d2[g3]] - if tv then - d2[g3]=tv - end - end - end - end - end - local c=step.coverage - if c then - for g1,d1 in next,c do - local tv=tables[d1[2]] - if tv then - d1[2]=tv - end - end - end - end - local rules=step.rules - if rules then - for i=1,#rules do - local rule=rules[i] - local before=rule.before - if before then - local tv=tables[before] - if tv then - rule.before=tv - before=tv - end - for i=1,#before do - local tv=tables[before[i]] - if tv then - before[i]=tv - end - end - end - local after=rule.after - if after then - local tv=tables[after] - if tv then - rule.after=tv - after=tv - end - for i=1,#after do - local tv=tables[after[i]] - if tv then - after[i]=tv - end - end - end - local current=rule.current - if current then - local tv=tables[current] - if tv then - rule.current=tv - current=tv - end - for i=1,#current do - local tv=tables[current[i]] - if tv then - current[i]=tv - end - end - end - local replacements=rule.replacements - if replacements then - local tv=tables[replacements] - if tv then - rule.replacements=tv - end - end - end - end - end - end - if order then - local tv=tables[order] - if tv then - sequence.order=tv - end - end - if flags then - local tv=tables[flags] - if tv then - sequence.flags=tv - end - end - end - end - if sequences then - unpackthem(sequences) - end - if sublookups then - unpackthem(sublookups) - end - if features then - for k,list in next,features do - for feature,spec in next,list do - local tv=tables[spec] - if tv then - list[feature]=tv - end - end - end - end - if palettes then - for i=1,#palettes do - local p=palettes[i] - for j=1,#p do - local tv=tables[p[j]] - if tv then - p[j]=tv - end - end - end - end - if variable then - local instances=variable.instances - if instances then - for i=1,#instances do - local v=instances[i].values - for j=1,#v do - local tv=tables[v[j]] - if tv then - v[j]=tv - end - end - end - end - local function unpackdeltas(main) - if main then - local deltas=main.deltas - if deltas then - for i=1,#deltas do - local di=deltas[i] - local d=di.deltas - local r=di.regions - for j=1,#d do - local tv=tables[d[j]] - if tv then - d[j]=tv - end - end - local tv=di.regions - if tv then - di.regions=tv - end - end - end - local regions=main.regions - if regions then - local tv=tables[regions] - if tv then - main.regions=tv - regions=tv - end - for i=1,#regions do - local r=regions[i] - for j=1,#r do - local tv=tables[r[j]] - if tv then - r[j]=tv - end - end - end - end - end - end - unpackdeltas(variable.global) - unpackdeltas(variable.horizontal) - unpackdeltas(variable.vertical) - unpackdeltas(variable.metrics) - end - data.tables=nil - end - end -end -local mt={ - __index=function(t,k) - if k=="height" then - local ht=t.boundingbox[4] - return ht<0 and 0 or ht - elseif k=="depth" then - local dp=-t.boundingbox[2] - return dp<0 and 0 or dp - elseif k=="width" then - return 0 - elseif k=="name" then - return forcenotdef and ".notdef" - end - end +local type,next,tonumber,tostring,rawget,rawset=type,next,tonumber,tostring,rawget,rawset +local gsub,lower,format,match,gmatch,find=string.gsub,string.lower,string.format,string.match,string.gmatch,string.find +local sequenced=table.sequenced +local is_boolean=string.is_boolean +local setmetatableindex=table.setmetatableindex +local setmetatablenewindex=table.setmetatablenewindex +local allocate=utilities.storage.allocate +local fonts=fonts +local otf=fonts.handlers.otf +local otffeatures=otf.features +local tables=otf.tables or {} +otf.tables=tables +local statistics=otf.statistics or {} +otf.statistics=statistics +local scripts=allocate { + ["adlm"]="adlam", + ["aghb"]="caucasian albanian", + ["ahom"]="ahom", + ["arab"]="arabic", + ["armi"]="imperial aramaic", + ["armn"]="armenian", + ["avst"]="avestan", + ["bali"]="balinese", + ["bamu"]="bamum", + ["bass"]="bassa vah", + ["batk"]="batak", + ["beng"]="bengali", + ["bhks"]="bhaiksuki", + ["bng2"]="bengali variant 2", + ["bopo"]="bopomofo", + ["brah"]="brahmi", + ["brai"]="braille", + ["bugi"]="buginese", + ["buhd"]="buhid", + ["byzm"]="byzantine music", + ["cakm"]="chakma", + ["cans"]="canadian syllabics", + ["cari"]="carian", + ["cham"]="cham", + ["cher"]="cherokee", + ["copt"]="coptic", + ["cprt"]="cypriot syllabary", + ["cyrl"]="cyrillic", + ["dev2"]="devanagari variant 2", + ["deva"]="devanagari", + ["dogr"]="dogra", + ["dsrt"]="deseret", + ["dupl"]="duployan", + ["egyp"]="egyptian heiroglyphs", + ["elba"]="elbasan", + ["ethi"]="ethiopic", + ["geor"]="georgian", + ["gjr2"]="gujarati variant 2", + ["glag"]="glagolitic", + ["gong"]="gunjala gondi", + ["gonm"]="masaram gondi", + ["goth"]="gothic", + ["gran"]="grantha", + ["grek"]="greek", + ["gujr"]="gujarati", + ["gur2"]="gurmukhi variant 2", + ["guru"]="gurmukhi", + ["hang"]="hangul", + ["hani"]="cjk ideographic", + ["hano"]="hanunoo", + ["hatr"]="hatran", + ["hebr"]="hebrew", + ["hluw"]="anatolian hieroglyphs", + ["hmng"]="pahawh hmong", + ["hung"]="old hungarian", + ["ital"]="old italic", + ["jamo"]="hangul jamo", + ["java"]="javanese", + ["kali"]="kayah li", + ["kana"]="hiragana and katakana", + ["khar"]="kharosthi", + ["khmr"]="khmer", + ["khoj"]="khojki", + ["knd2"]="kannada variant 2", + ["knda"]="kannada", + ["kthi"]="kaithi", + ["lana"]="tai tham", + ["lao" ]="lao", + ["latn"]="latin", + ["lepc"]="lepcha", + ["limb"]="limbu", + ["lina"]="linear a", + ["linb"]="linear b", + ["lisu"]="lisu", + ["lyci"]="lycian", + ["lydi"]="lydian", + ["mahj"]="mahajani", + ["maka"]="makasar", + ["mand"]="mandaic and mandaean", + ["mani"]="manichaean", + ["marc"]="marchen", + ["math"]="mathematical alphanumeric symbols", + ["medf"]="medefaidrin", + ["mend"]="mende kikakui", + ["merc"]="meroitic cursive", + ["mero"]="meroitic hieroglyphs", + ["mlm2"]="malayalam variant 2", + ["mlym"]="malayalam", + ["modi"]="modi", + ["mong"]="mongolian", + ["mroo"]="mro", + ["mtei"]="meitei Mayek", + ["mult"]="multani", + ["musc"]="musical symbols", + ["mym2"]="myanmar variant 2", + ["mymr"]="myanmar", + ["narb"]="old north arabian", + ["nbat"]="nabataean", + ["newa"]="newa", + ["nko" ]='n"ko', + ["nshu"]="nüshu", + ["ogam"]="ogham", + ["olck"]="ol chiki", + ["orkh"]="old turkic and orkhon runic", + ["ory2"]="odia variant 2", + ["orya"]="oriya", + ["osge"]="osage", + ["osma"]="osmanya", + ["palm"]="palmyrene", + ["pauc"]="pau cin hau", + ["perm"]="old permic", + ["phag"]="phags-pa", + ["phli"]="inscriptional pahlavi", + ["phlp"]="psalter pahlavi", + ["phnx"]="phoenician", + ["plrd"]="miao", + ["prti"]="inscriptional parthian", + ["rjng"]="rejang", + ["rohg"]="hanifi rohingya", + ["runr"]="runic", + ["samr"]="samaritan", + ["sarb"]="old south arabian", + ["saur"]="saurashtra", + ["sgnw"]="sign writing", + ["shaw"]="shavian", + ["shrd"]="sharada", + ["sidd"]="siddham", + ["sind"]="khudawadi", + ["sinh"]="sinhala", + ["sogd"]="sogdian", + ["sogo"]="old sogdian", + ["sora"]="sora sompeng", + ["soyo"]="soyombo", + ["sund"]="sundanese", + ["sylo"]="syloti nagri", + ["syrc"]="syriac", + ["tagb"]="tagbanwa", + ["takr"]="takri", + ["tale"]="tai le", + ["talu"]="tai lu", + ["taml"]="tamil", + ["tang"]="tangut", + ["tavt"]="tai viet", + ["tel2"]="telugu variant 2", + ["telu"]="telugu", + ["tfng"]="tifinagh", + ["tglg"]="tagalog", + ["thaa"]="thaana", + ["thai"]="thai", + ["tibt"]="tibetan", + ["tirh"]="tirhuta", + ["tml2"]="tamil variant 2", + ["ugar"]="ugaritic cuneiform", + ["vai" ]="vai", + ["wara"]="warang citi", + ["xpeo"]="old persian cuneiform", + ["xsux"]="sumero-akkadian cuneiform", + ["yi" ]="yi", + ["zanb"]="zanabazar square", } -local function sameformat(sequence,steps,first,nofsteps,kind) - return true -end -local function mergesteps_1(lookup,strict) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - if strict then - local f=first.format - for i=2,nofsteps do - if steps[i].format~=f then - if trace_optimizations then - report_optimizations("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name) - end - return 0 - end - end - end - if trace_optimizations then - report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - end - local target=first.coverage - for i=2,nofsteps do - local c=steps[i].coverage - if c then - for k,v in next,c do - if not target[k] then - target[k]=v - end - end - end +local languages=allocate { + ["aba" ]="abaza", + ["abk" ]="abkhazian", + ["ach" ]="acholi", + ["acr" ]="achi", + ["ady" ]="adyghe", + ["afk" ]="afrikaans", + ["afr" ]="afar", + ["agw" ]="agaw", + ["aio" ]="aiton", + ["aka" ]="akan", + ["als" ]="alsatian", + ["alt" ]="altai", + ["amh" ]="amharic", + ["ang" ]="anglo-saxon", + ["apph"]="phonetic transcription—americanist conventions", + ["ara" ]="arabic", + ["arg" ]="aragonese", + ["ari" ]="aari", + ["ark" ]="rakhine", + ["asm" ]="assamese", + ["ast" ]="asturian", + ["ath" ]="athapaskan", + ["avr" ]="avar", + ["awa" ]="awadhi", + ["aym" ]="aymara", + ["azb" ]="torki", + ["aze" ]="azerbaijani", + ["bad" ]="badaga", + ["bad0"]="banda", + ["bag" ]="baghelkhandi", + ["bal" ]="balkar", + ["ban" ]="balinese", + ["bar" ]="bavarian", + ["bau" ]="baulé", + ["bbc" ]="batak toba", + ["bbr" ]="berber", + ["bch" ]="bench", + ["bcr" ]="bible cree", + ["bdy" ]="bandjalang", + ["bel" ]="belarussian", + ["bem" ]="bemba", + ["ben" ]="bengali", + ["bgc" ]="haryanvi", + ["bgq" ]="bagri", + ["bgr" ]="bulgarian", + ["bhi" ]="bhili", + ["bho" ]="bhojpuri", + ["bik" ]="bikol", + ["bil" ]="bilen", + ["bis" ]="bislama", + ["bjj" ]="kanauji", + ["bkf" ]="blackfoot", + ["bli" ]="baluchi", + ["blk" ]="pa'o karen", + ["bln" ]="balante", + ["blt" ]="balti", + ["bmb" ]="bambara (bamanankan)", + ["bml" ]="bamileke", + ["bos" ]="bosnian", + ["bpy" ]="bishnupriya manipuri", + ["bre" ]="breton", + ["brh" ]="brahui", + ["bri" ]="braj bhasha", + ["brm" ]="burmese", + ["brx" ]="bodo", + ["bsh" ]="bashkir", + ["bsk" ]="burushaski", + ["bti" ]="beti", + ["bts" ]="batak simalungun", + ["bug" ]="bugis", + ["byv" ]="medumba", + ["cak" ]="kaqchikel", + ["cat" ]="catalan", + ["cbk" ]="zamboanga chavacano", + ["cchn"]="chinantec", + ["ceb" ]="cebuano", + ["cgg" ]="chiga", + ["cha" ]="chamorro", + ["che" ]="chechen", + ["chg" ]="chaha gurage", + ["chh" ]="chattisgarhi", + ["chi" ]="chichewa (chewa, nyanja)", + ["chk" ]="chukchi", + ["chk0"]="chuukese", + ["cho" ]="choctaw", + ["chp" ]="chipewyan", + ["chr" ]="cherokee", + ["chu" ]="chuvash", + ["chy" ]="cheyenne", + ["cja" ]="western cham", + ["cjm" ]="eastern cham", + ["cmr" ]="comorian", + ["cop" ]="coptic", + ["cor" ]="cornish", + ["cos" ]="corsican", + ["cpp" ]="creoles", + ["cre" ]="cree", + ["crr" ]="carrier", + ["crt" ]="crimean tatar", + ["csb" ]="kashubian", + ["csl" ]="church slavonic", + ["csy" ]="czech", + ["ctg" ]="chittagonian", + ["cuk" ]="san blas kuna", + ["dan" ]="danish", + ["dar" ]="dargwa", + ["dax" ]="dayi", + ["dcr" ]="woods cree", + ["deu" ]="german", + ["dgo" ]="dogri", + ["dgr" ]="dogri", + ["dhg" ]="dhangu", + ["dhv" ]="divehi (dhivehi, maldivian)", + ["diq" ]="dimli", + ["div" ]="divehi (dhivehi, maldivian)", + ["djr" ]="zarma", + ["djr0"]="djambarrpuyngu", + ["dng" ]="dangme", + ["dnj" ]="dan", + ["dnk" ]="dinka", + ["dri" ]="dari", + ["duj" ]="dhuwal", + ["dun" ]="dungan", + ["dzn" ]="dzongkha", + ["ebi" ]="ebira", + ["ecr" ]="eastern cree", + ["edo" ]="edo", + ["efi" ]="efik", + ["ell" ]="greek", + ["emk" ]="eastern maninkakan", + ["eng" ]="english", + ["erz" ]="erzya", + ["esp" ]="spanish", + ["esu" ]="central yupik", + ["eti" ]="estonian", + ["euq" ]="basque", + ["evk" ]="evenki", + ["evn" ]="even", + ["ewe" ]="ewe", + ["fan" ]="french antillean", + ["fan0"]=" fang", + ["far" ]="persian", + ["fat" ]="fanti", + ["fin" ]="finnish", + ["fji" ]="fijian", + ["fle" ]="dutch (flemish)", + ["fmp" ]="fe’fe’", + ["fne" ]="forest nenets", + ["fon" ]="fon", + ["fos" ]="faroese", + ["fra" ]="french", + ["frc" ]="cajun french", + ["fri" ]="frisian", + ["frl" ]="friulian", + ["frp" ]="arpitan", + ["fta" ]="futa", + ["ful" ]="fulah", + ["fuv" ]="nigerian fulfulde", + ["gad" ]="ga", + ["gae" ]="scottish gaelic (gaelic)", + ["gag" ]="gagauz", + ["gal" ]="galician", + ["gar" ]="garshuni", + ["gaw" ]="garhwali", + ["gez" ]="ge'ez", + ["gih" ]="githabul", + ["gil" ]="gilyak", + ["gil0"]="kiribati (gilbertese)", + ["gkp" ]="kpelle (guinea)", + ["glk" ]="gilaki", + ["gmz" ]="gumuz", + ["gnn" ]="gumatj", + ["gog" ]="gogo", + ["gon" ]="gondi", + ["grn" ]="greenlandic", + ["gro" ]="garo", + ["gua" ]="guarani", + ["guc" ]="wayuu", + ["guf" ]="gupapuyngu", + ["guj" ]="gujarati", + ["guz" ]="gusii", + ["hai" ]="haitian (haitian creole)", + ["hal" ]="halam", + ["har" ]="harauti", + ["hau" ]="hausa", + ["haw" ]="hawaiian", + ["hay" ]="haya", + ["haz" ]="hazaragi", + ["hbn" ]="hammer-banna", + ["her" ]="herero", + ["hil" ]="hiligaynon", + ["hin" ]="hindi", + ["hma" ]="high mari", + ["hmn" ]="hmong", + ["hmo" ]="hiri motu", + ["hnd" ]="hindko", + ["ho" ]="ho", + ["hri" ]="harari", + ["hrv" ]="croatian", + ["hun" ]="hungarian", + ["hye" ]="armenian", + ["hye0"]="armenian east", + ["iba" ]="iban", + ["ibb" ]="ibibio", + ["ibo" ]="igbo", + ["ido" ]="ido", + ["ijo" ]="ijo languages", + ["ile" ]="interlingue", + ["ilo" ]="ilokano", + ["ina" ]="interlingua", + ["ind" ]="indonesian", + ["ing" ]="ingush", + ["inu" ]="inuktitut", + ["ipk" ]="inupiat", + ["ipph"]="phonetic transcription—ipa conventions", + ["iri" ]="irish", + ["irt" ]="irish traditional", + ["isl" ]="icelandic", + ["ism" ]="inari sami", + ["ita" ]="italian", + ["iwr" ]="hebrew", + ["jam" ]="jamaican creole", + ["jan" ]="japanese", + ["jav" ]="javanese", + ["jbo" ]="lojban", + ["jct" ]="krymchak", + ["jii" ]="yiddish", + ["jud" ]="ladino", + ["jul" ]="jula", + ["kab" ]="kabardian", + ["kab0"]="kabyle", + ["kac" ]="kachchi", + ["kal" ]="kalenjin", + ["kan" ]="kannada", + ["kar" ]="karachay", + ["kat" ]="georgian", + ["kaz" ]="kazakh", + ["kde" ]="makonde", + ["kea" ]="kabuverdianu (crioulo)", + ["keb" ]="kebena", + ["kek" ]="kekchi", + ["kge" ]="khutsuri georgian", + ["kha" ]="khakass", + ["khk" ]="khanty-kazim", + ["khm" ]="khmer", + ["khs" ]="khanty-shurishkar", + ["kht" ]="khamti shan", + ["khv" ]="khanty-vakhi", + ["khw" ]="khowar", + ["kik" ]="kikuyu (gikuyu)", + ["kir" ]="kirghiz (kyrgyz)", + ["kis" ]="kisii", + ["kiu" ]="kirmanjki", + ["kjd" ]="southern kiwai", + ["kjp" ]="eastern pwo karen", + ["kjz" ]="bumthangkha", + ["kkn" ]="kokni", + ["klm" ]="kalmyk", + ["kmb" ]="kamba", + ["kmn" ]="kumaoni", + ["kmo" ]="komo", + ["kms" ]="komso", + ["kmz" ]="khorasani turkic", + ["knr" ]="kanuri", + ["kod" ]="kodagu", + ["koh" ]="korean old hangul", + ["kok" ]="konkani", + ["kom" ]="komi", + ["kon" ]="kikongo", + ["kon0"]="kongo", + ["kop" ]="komi-permyak", + ["kor" ]="korean", + ["kos" ]="kosraean", + ["koz" ]="komi-zyrian", + ["kpl" ]="kpelle", + ["kri" ]="krio", + ["krk" ]="karakalpak", + ["krl" ]="karelian", + ["krm" ]="karaim", + ["krn" ]="karen", + ["krt" ]="koorete", + ["ksh" ]="kashmiri", + ["ksh0"]="ripuarian", + ["ksi" ]="khasi", + ["ksm" ]="kildin sami", + ["ksw" ]="s’gaw karen", + ["kua" ]="kuanyama", + ["kui" ]="kui", + ["kul" ]="kulvi", + ["kum" ]="kumyk", + ["kur" ]="kurdish", + ["kuu" ]="kurukh", + ["kuy" ]="kuy", + ["kyk" ]="koryak", + ["kyu" ]="western kayah", + ["lad" ]="ladin", + ["lah" ]="lahuli", + ["lak" ]="lak", + ["lam" ]="lambani", + ["lao" ]="lao", + ["lat" ]="latin", + ["laz" ]="laz", + ["lcr" ]="l-cree", + ["ldk" ]="ladakhi", + ["lez" ]="lezgi", + ["lij" ]="ligurian", + ["lim" ]="limburgish", + ["lin" ]="lingala", + ["lis" ]="lisu", + ["ljp" ]="lampung", + ["lki" ]="laki", + ["lma" ]="low mari", + ["lmb" ]="limbu", + ["lmo" ]="lombard", + ["lmw" ]="lomwe", + ["lom" ]="loma", + ["lrc" ]="luri", + ["lsb" ]="lower sorbian", + ["lsm" ]="lule sami", + ["lth" ]="lithuanian", + ["ltz" ]="luxembourgish", + ["lua" ]="luba-lulua", + ["lub" ]="luba-katanga", + ["lug" ]="ganda", + ["luh" ]="luyia", + ["luo" ]="luo", + ["lvi" ]="latvian", + ["mad" ]="madura", + ["mag" ]="magahi", + ["mah" ]="marshallese", + ["maj" ]="majang", + ["mak" ]="makhuwa", + ["mal" ]="malayalam reformed", + ["mam" ]="mam", + ["man" ]="mansi", + ["map" ]="mapudungun", + ["mar" ]="marathi", + ["maw" ]="marwari", + ["mbn" ]="mbundu", + ["mbo" ]="mbo", + ["mch" ]="manchu", + ["mcr" ]="moose cree", + ["mde" ]="mende", + ["mdr" ]="mandar", + ["men" ]="me'en", + ["mer" ]="meru", + ["mfa" ]="pattani malay", + ["mfe" ]="morisyen", + ["min" ]="minangkabau", + ["miz" ]="mizo", + ["mkd" ]="macedonian", + ["mkr" ]="makasar", + ["mkw" ]="kituba", + ["mle" ]="male", + ["mlg" ]="malagasy", + ["mln" ]="malinke", + ["mlr" ]="malayalam reformed", + ["mly" ]="malay", + ["mnd" ]="mandinka", + ["mng" ]="mongolian", + ["mni" ]="manipuri", + ["mnk" ]="maninka", + ["mnx" ]="manx", + ["moh" ]="mohawk", + ["mok" ]="moksha", + ["mol" ]="moldavian", + ["mon" ]="mon", + ["mor" ]="moroccan", + ["mos" ]="mossi", + ["mri" ]="maori", + ["mth" ]="maithili", + ["mts" ]="maltese", + ["mun" ]="mundari", + ["mus" ]="muscogee", + ["mwl" ]="mirandese", + ["mww" ]="hmong daw", + ["myn" ]="mayan", + ["mzn" ]="mazanderani", + ["nag" ]="naga-assamese", + ["nah" ]="nahuatl", + ["nan" ]="nanai", + ["nap" ]="neapolitan", + ["nas" ]="naskapi", + ["nau" ]="nauruan", + ["nav" ]="navajo", + ["ncr" ]="n-cree", + ["ndb" ]="ndebele", + ["ndc" ]="ndau", + ["ndg" ]="ndonga", + ["nds" ]="low saxon", + ["nep" ]="nepali", + ["new" ]="newari", + ["nga" ]="ngbaka", + ["ngr" ]="nagari", + ["nhc" ]="norway house cree", + ["nis" ]="nisi", + ["niu" ]="niuean", + ["nkl" ]="nyankole", + ["nko" ]="n'ko", + ["nld" ]="dutch", + ["noe" ]="nimadi", + ["nog" ]="nogai", + ["nor" ]="norwegian", + ["nov" ]="novial", + ["nsm" ]="northern sami", + ["nso" ]="sotho, northern", + ["nta" ]="northern tai", + ["nto" ]="esperanto", + ["nym" ]="nyamwezi", + ["nyn" ]="norwegian nynorsk", + ["nza" ]="mbembe tigon", + ["oci" ]="occitan", + ["ocr" ]="oji-cree", + ["ojb" ]="ojibway", + ["ori" ]="odia", + ["oro" ]="oromo", + ["oss" ]="ossetian", + ["paa" ]="palestinian aramaic", + ["pag" ]="pangasinan", + ["pal" ]="pali", + ["pam" ]="pampangan", + ["pan" ]="punjabi", + ["pap" ]="palpa", + ["pap0"]="papiamentu", + ["pas" ]="pashto", + ["pau" ]="palauan", + ["pcc" ]="bouyei", + ["pcd" ]="picard", + ["pdc" ]="pennsylvania german", + ["pgr" ]="polytonic greek", + ["phk" ]="phake", + ["pih" ]="norfolk", + ["pil" ]="filipino", + ["plg" ]="palaung", + ["plk" ]="polish", + ["pms" ]="piemontese", + ["pnb" ]="western panjabi", + ["poh" ]="pocomchi", + ["pon" ]="pohnpeian", + ["pro" ]="provencal", + ["ptg" ]="portuguese", + ["pwo" ]="western pwo karen", + ["qin" ]="chin", + ["quc" ]="k’iche’", + ["quh" ]="quechua (bolivia)", + ["quz" ]="quechua", + ["qvi" ]="quechua (ecuador)", + ["qwh" ]="quechua (peru)", + ["raj" ]="rajasthani", + ["rar" ]="rarotongan", + ["rbu" ]="russian buriat", + ["rcr" ]="r-cree", + ["rej" ]="rejang", + ["ria" ]="riang", + ["rif" ]="tarifit", + ["rit" ]="ritarungo", + ["rkw" ]="arakwal", + ["rms" ]="romansh", + ["rmy" ]="vlax romani", + ["rom" ]="romanian", + ["roy" ]="romany", + ["rsy" ]="rusyn", + ["rtm" ]="rotuman", + ["rua" ]="kinyarwanda", + ["run" ]="rundi", + ["rup" ]="aromanian", + ["rus" ]="russian", + ["sad" ]="sadri", + ["san" ]="sanskrit", + ["sas" ]="sasak", + ["sat" ]="santali", + ["say" ]="sayisi", + ["scn" ]="sicilian", + ["sco" ]="scots", + ["scs" ]="north slavey", + ["sek" ]="sekota", + ["sel" ]="selkup", + ["sga" ]="old irish", + ["sgo" ]="sango", + ["sgs" ]="samogitian", + ["shi" ]="tachelhit", + ["shn" ]="shan", + ["sib" ]="sibe", + ["sid" ]="sidamo", + ["sig" ]="silte gurage", + ["sks" ]="skolt sami", + ["sky" ]="slovak", + ["sla" ]="slavey", + ["slv" ]="slovenian", + ["sml" ]="somali", + ["smo" ]="samoan", + ["sna" ]="sena", + ["sna0"]="shona", + ["snd" ]="sindhi", + ["snh" ]="sinhala (sinhalese)", + ["snk" ]="soninke", + ["sog" ]="sodo gurage", + ["sop" ]="songe", + ["sot" ]="sotho, southern", + ["sqi" ]="albanian", + ["srb" ]="serbian", + ["srd" ]="sardinian", + ["srk" ]="saraiki", + ["srr" ]="serer", + ["ssl" ]="south slavey", + ["ssm" ]="southern sami", + ["stq" ]="saterland frisian", + ["suk" ]="sukuma", + ["sun" ]="sundanese", + ["sur" ]="suri", + ["sva" ]="svan", + ["sve" ]="swedish", + ["swa" ]="swadaya aramaic", + ["swk" ]="swahili", + ["swz" ]="swati", + ["sxt" ]="sutu", + ["sxu" ]="upper saxon", + ["syl" ]="sylheti", + ["syr" ]="syriac", + ["syre"]="estrangela syriac", + ["syrj"]="western syriac", + ["syrn"]="eastern syriac", + ["szl" ]="silesian", + ["tab" ]="tabasaran", + ["taj" ]="tajiki", + ["tam" ]="tamil", + ["tat" ]="tatar", + ["tcr" ]="th-cree", + ["tdd" ]="dehong dai", + ["tel" ]="telugu", + ["tet" ]="tetum", + ["tgl" ]="tagalog", + ["tgn" ]="tongan", + ["tgr" ]="tigre", + ["tgy" ]="tigrinya", + ["tha" ]="thai", + ["tht" ]="tahitian", + ["tib" ]="tibetan", + ["tiv" ]="tiv", + ["tkm" ]="turkmen", + ["tmh" ]="tamashek", + ["tmn" ]="temne", + ["tna" ]="tswana", + ["tne" ]="tundra nenets", + ["tng" ]="tonga", + ["tod" ]="todo", + ["tod0"]="toma", + ["tpi" ]="tok pisin", + ["trk" ]="turkish", + ["tsg" ]="tsonga", + ["tsj" ]="tshangla", + ["tua" ]="turoyo aramaic", + ["tul" ]="tulu", + ["tum" ]="tulu", + ["tuv" ]="tuvin", + ["tvl" ]="tuvalu", + ["twi" ]="twi", + ["tyz" ]="tày", + ["tzm" ]="tamazight", + ["tzo" ]="tzotzil", + ["udm" ]="udmurt", + ["ukr" ]="ukrainian", + ["umb" ]="umbundu", + ["urd" ]="urdu", + ["usb" ]="upper sorbian", + ["uyg" ]="uyghur", + ["uzb" ]="uzbek", + ["vec" ]="venetian", + ["ven" ]="venda", + ["vit" ]="vietnamese", + ["vol" ]="volapük", + ["vro" ]="võro", + ["wa" ]="wa", + ["wag" ]="wagdi", + ["war" ]="waray-waray", + ["wcr" ]="west-cree", + ["wel" ]="welsh", + ["wlf" ]="wolof", + ["wln" ]="walloon", + ["wtm" ]="mewati", + ["xbd" ]="lü", + ["xhs" ]="xhosa", + ["xjb" ]="minjangbal", + ["xkf" ]="khengkha", + ["xog" ]="soga", + ["xpe" ]="kpelle (liberia)", + ["yak" ]="sakha", + ["yao" ]="yao", + ["yap" ]="yapese", + ["yba" ]="yoruba", + ["ycr" ]="y-cree", + ["yic" ]="yi classic", + ["yim" ]="yi modern", + ["zea" ]="zealandic", + ["zgh" ]="standard morrocan tamazigh", + ["zha" ]="zhuang", + ["zhh" ]="chinese, hong kong sar", + ["zhp" ]="chinese phonetic", + ["zhs" ]="chinese simplified", + ["zht" ]="chinese traditional", + ["znd" ]="zande", + ["zul" ]="zulu", + ["zza" ]="zazaki", +} +local features=allocate { + ["aalt"]="access all alternates", + ["abvf"]="above-base forms", + ["abvm"]="above-base mark positioning", + ["abvs"]="above-base substitutions", + ["afrc"]="alternative fractions", + ["akhn"]="akhands", + ["blwf"]="below-base forms", + ["blwm"]="below-base mark positioning", + ["blws"]="below-base substitutions", + ["c2pc"]="petite capitals from capitals", + ["c2sc"]="small capitals from capitals", + ["calt"]="contextual alternates", + ["case"]="case-sensitive forms", + ["ccmp"]="glyph composition/decomposition", + ["cfar"]="conjunct form after ro", + ["cjct"]="conjunct forms", + ["clig"]="contextual ligatures", + ["cpct"]="centered cjk punctuation", + ["cpsp"]="capital spacing", + ["cswh"]="contextual swash", + ["curs"]="cursive positioning", + ["dflt"]="default processing", + ["dist"]="distances", + ["dlig"]="discretionary ligatures", + ["dnom"]="denominators", + ["dtls"]="dotless forms", + ["expt"]="expert forms", + ["falt"]="final glyph alternates", + ["fin2"]="terminal forms #2", + ["fin3"]="terminal forms #3", + ["fina"]="terminal forms", + ["flac"]="flattened accents over capitals", + ["frac"]="fractions", + ["fwid"]="full width", + ["half"]="half forms", + ["haln"]="halant forms", + ["halt"]="alternate half width", + ["hist"]="historical forms", + ["hkna"]="horizontal kana alternates", + ["hlig"]="historical ligatures", + ["hngl"]="hangul", + ["hojo"]="hojo kanji forms", + ["hwid"]="half width", + ["init"]="initial forms", + ["isol"]="isolated forms", + ["ital"]="italics", + ["jalt"]="justification alternatives", + ["jp04"]="jis2004 forms", + ["jp78"]="jis78 forms", + ["jp83"]="jis83 forms", + ["jp90"]="jis90 forms", + ["kern"]="kerning", + ["lfbd"]="left bounds", + ["liga"]="standard ligatures", + ["ljmo"]="leading jamo forms", + ["lnum"]="lining figures", + ["locl"]="localized forms", + ["ltra"]="left-to-right alternates", + ["ltrm"]="left-to-right mirrored forms", + ["mark"]="mark positioning", + ["med2"]="medial forms #2", + ["medi"]="medial forms", + ["mgrk"]="mathematical greek", + ["mkmk"]="mark to mark positioning", + ["mset"]="mark positioning via substitution", + ["nalt"]="alternate annotation forms", + ["nlck"]="nlc kanji forms", + ["nukt"]="nukta forms", + ["numr"]="numerators", + ["onum"]="old style figures", + ["opbd"]="optical bounds", + ["ordn"]="ordinals", + ["ornm"]="ornaments", + ["palt"]="proportional alternate width", + ["pcap"]="petite capitals", + ["pkna"]="proportional kana", + ["pnum"]="proportional figures", + ["pref"]="pre-base forms", + ["pres"]="pre-base substitutions", + ["pstf"]="post-base forms", + ["psts"]="post-base substitutions", + ["pwid"]="proportional widths", + ["qwid"]="quarter widths", + ["rand"]="randomize", + ["rclt"]="required contextual alternates", + ["rkrf"]="rakar forms", + ["rlig"]="required ligatures", + ["rphf"]="reph form", + ["rtbd"]="right bounds", + ["rtla"]="right-to-left alternates", + ["rtlm"]="right to left mirrored forms", + ["rvrn"]="required variation alternates", + ["ruby"]="ruby notation forms", + ["salt"]="stylistic alternates", + ["sinf"]="scientific inferiors", + ["size"]="optical size", + ["smcp"]="small capitals", + ["smpl"]="simplified forms", + ["ssty"]="script style", + ["stch"]="stretching glyph decomposition", + ["subs"]="subscript", + ["sups"]="superscript", + ["swsh"]="swash", + ["titl"]="titling", + ["tjmo"]="trailing jamo forms", + ["tnam"]="traditional name forms", + ["tnum"]="tabular figures", + ["trad"]="traditional forms", + ["twid"]="third widths", + ["unic"]="unicase", + ["valt"]="alternate vertical metrics", + ["vatu"]="vattu variants", + ["vert"]="vertical writing", + ["vhal"]="alternate vertical half metrics", + ["vjmo"]="vowel jamo forms", + ["vkna"]="vertical kana alternates", + ["vkrn"]="vertical kerning", + ["vpal"]="proportional alternate vertical metrics", + ["vrtr"]="vertical alternates for rotation", + ["vrt2"]="vertical rotation", + ["zero"]="slashed zero", + ["trep"]="traditional tex replacements", + ["tlig"]="traditional tex ligatures", + ["ss.."]="stylistic set ..", + ["cv.."]="character variant ..", + ["js.."]="justification ..", + ["dv.."]="devanagari ..", + ["ml.."]="malayalam ..", +} +local baselines=allocate { + ["hang"]="hanging baseline", + ["icfb"]="ideographic character face bottom edge baseline", + ["icft"]="ideographic character face tope edige baseline", + ["ideo"]="ideographic em-box bottom edge baseline", + ["idtp"]="ideographic em-box top edge baseline", + ["math"]="mathematical centered baseline", + ["romn"]="roman baseline" +} +tables.scripts=scripts +tables.languages=languages +tables.features=features +tables.baselines=baselines +local acceptscripts=true directives.register("otf.acceptscripts",function(v) acceptscripts=v end) +local acceptlanguages=true directives.register("otf.acceptlanguages",function(v) acceptlanguages=v end) +local report_checks=logs.reporter("fonts","checks") +if otffeatures.features then + for k,v in next,otffeatures.features do + features[k]=v end - lookup.nofsteps=1 - lookup.merged=true - lookup.steps={ first } - return nofsteps-1 + otffeatures.features=features end -local function mergesteps_2(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - if strict then - local f=first.format - for i=2,nofsteps do - if steps[i].format~=f then - if trace_optimizations then - report_optimizations("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name) - end - return 0 - end - end - end - if trace_optimizations then - report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - end - local target=first.coverage - for i=2,nofsteps do - local c=steps[i].coverage - if c then - for k,v in next,c do - local tk=target[k] - if tk then - for kk,vv in next,v do - if tk[kk]==nil then - tk[kk]=vv - end - end - else - target[k]=v - end - end - end +local function swapped(h) + local r={} + for k,v in next,h do + r[gsub(v,"[^a-z0-9]","")]=k end - lookup.nofsteps=1 - lookup.merged=true - lookup.steps={ first } - return nofsteps-1 + return r end -local function mergesteps_3(lookup,strict) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - if trace_optimizations then - report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - end - local coverage={} - for i=1,nofsteps do - local c=steps[i].coverage - if c then - for k,v in next,c do - local tk=coverage[k] - if tk then - if trace_optimizations then - report_optimizations("quitting merge due to multiple checks") - end - return nofsteps - else - coverage[k]=v - end - end - end - end - local first=steps[1] - local baseclasses={} - for i=1,nofsteps do - local offset=i*10 - local step=steps[i] - for k,v in sortedhash(step.baseclasses) do - baseclasses[offset+k]=v - end - for k,v in next,step.coverage do - v[1]=offset+v[1] +local verbosescripts=allocate(swapped(scripts )) +local verboselanguages=allocate(swapped(languages)) +local verbosefeatures=allocate(swapped(features )) +local verbosebaselines=allocate(swapped(baselines)) +local function resolve(t,k) + if k then + k=gsub(lower(k),"[^a-z0-9]","") + local v=rawget(t,k) + if v then + return v end end - first.baseclasses=baseclasses - first.coverage=coverage - lookup.nofsteps=1 - lookup.merged=true - lookup.steps={ first } - return nofsteps-1 end -local function nested(old,new) - for k,v in next,old do - if k=="ligature" then - if not new.ligature then - new.ligature=v - end - else - local n=new[k] - if n then - nested(v,n) - else - new[k]=v - end +setmetatableindex(verbosescripts,resolve) +setmetatableindex(verboselanguages,resolve) +setmetatableindex(verbosefeatures,resolve) +setmetatableindex(verbosebaselines,resolve) +setmetatableindex(scripts,function(t,k) + if k then + k=lower(k) + if k=="dflt" then + return k end - end -end -local function mergesteps_4(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - if trace_optimizations then - report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - end - local target=first.coverage - for i=2,nofsteps do - local c=steps[i].coverage - if c then - for k,v in next,c do - local tk=target[k] - if tk then - nested(v,tk) - else - target[k]=v - end - end + local v=rawget(t,k) + if v then + return v end - end - lookup.nofsteps=1 - lookup.steps={ first } - return nofsteps-1 -end -local function mergesteps_5(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local first=steps[1] - if trace_optimizations then - report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) - end - local target=first.coverage - local hash=nil - for k,v in next,target do - hash=v[1] - break - end - for i=2,nofsteps do - local c=steps[i].coverage - if c then - for k,v in next,c do - local tk=target[k] - if tk then - if not tk[2] then - tk[2]=v[2] - end - if not tk[3] then - tk[3]=v[3] - end - else - target[k]=v - v[1]=hash - end - end + k=gsub(k," ","") + v=rawget(t,v) + if v then + return v + elseif acceptscripts then + report_checks("registering extra script %a",k) + rawset(t,k,k) + return k end end - lookup.nofsteps=1 - lookup.merged=true - lookup.steps={ first } - return nofsteps-1 -end -local function checkkerns(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local kerned=0 - for i=1,nofsteps do - local step=steps[i] - if step.format=="pair" then - local coverage=step.coverage - local kerns=true - for g1,d1 in next,coverage do - if d1==true then - elseif not d1 then - elseif d1[1]~=0 or d1[2]~=0 or d1[4]~=0 then - kerns=false - break - end - end - if kerns then - if trace_optimizations then - report_optimizations("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name) - end - local c={} - for g1,d1 in next,coverage do - if d1 and d1~=true then - c[g1]=d1[3] - end - end - step.coverage=c - step.format="move" - kerned=kerned+1 - end + return "dflt" +end) +setmetatableindex(languages,function(t,k) + if k then + k=lower(k) + if k=="dflt" then + return k end - end - return kerned -end -local function checkpairs(lookup) - local steps=lookup.steps - local nofsteps=lookup.nofsteps - local kerned=0 - local function onlykerns(step) - local coverage=step.coverage - for g1,d1 in next,coverage do - for g2,d2 in next,d1 do - if d2[2] then - return false - else - local v=d2[1] - if v==true then - elseif v and (v[1]~=0 or v[2]~=0 or v[4]~=0) then - return false - end - end - end + local v=rawget(t,k) + if v then + return v end - return coverage - end - for i=1,nofsteps do - local step=steps[i] - if step.format=="pair" then - local coverage=onlykerns(step) - if coverage then - if trace_optimizations then - report_optimizations("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name) - end - for g1,d1 in next,coverage do - local d={} - for g2,d2 in next,d1 do - local v=d2[1] - if v==true then - elseif v then - d[g2]=v[3] - end - end - coverage[g1]=d - end - step.format="move" - kerned=kerned+1 - end + k=gsub(k," ","") + v=rawget(t,v) + if v then + return v + elseif acceptlanguages then + report_checks("registering extra language %a",k) + rawset(t,k,k) + return k end end - return kerned + return "dflt" +end) +if setmetatablenewindex then + setmetatablenewindex(languages,"ignore") + setmetatablenewindex(scripts,"ignore") + setmetatablenewindex(baselines,"ignore") end -local compact_pairs=true -local compact_singles=true -local merge_pairs=true -local merge_singles=true -local merge_substitutions=true -local merge_alternates=true -local merge_multiples=true -local merge_ligatures=true -local merge_cursives=true -local merge_marks=true -directives.register("otf.compact.pairs",function(v) compact_pairs=v end) -directives.register("otf.compact.singles",function(v) compact_singles=v end) -directives.register("otf.merge.pairs",function(v) merge_pairs=v end) -directives.register("otf.merge.singles",function(v) merge_singles=v end) -directives.register("otf.merge.substitutions",function(v) merge_substitutions=v end) -directives.register("otf.merge.alternates",function(v) merge_alternates=v end) -directives.register("otf.merge.multiples",function(v) merge_multiples=v end) -directives.register("otf.merge.ligatures",function(v) merge_ligatures=v end) -directives.register("otf.merge.cursives",function(v) merge_cursives=v end) -directives.register("otf.merge.marks",function(v) merge_marks=v end) -function readers.compact(data) - if not data or data.compacted then - return - else - data.compacted=true - end - local resources=data.resources - local merged=0 - local kerned=0 - local allsteps=0 - local function compact(what) - local lookups=resources[what] - if lookups then - for i=1,#lookups do - local lookup=lookups[i] - local nofsteps=lookup.nofsteps - local kind=lookup.type - allsteps=allsteps+nofsteps - if nofsteps>1 then - local merg=merged - if kind=="gsub_single" then - if merge_substitutions then - merged=merged+mergesteps_1(lookup) - end - elseif kind=="gsub_alternate" then - if merge_alternates then - merged=merged+mergesteps_1(lookup) - end - elseif kind=="gsub_multiple" then - if merge_multiples then - merged=merged+mergesteps_1(lookup) - end - elseif kind=="gsub_ligature" then - if merge_ligatures then - merged=merged+mergesteps_4(lookup) - end - elseif kind=="gpos_single" then - if merge_singles then - merged=merged+mergesteps_1(lookup,true) - end - if compact_singles then - kerned=kerned+checkkerns(lookup) - end - elseif kind=="gpos_pair" then - if merge_pairs then - merged=merged+mergesteps_2(lookup) - end - if compact_pairs then - kerned=kerned+checkpairs(lookup) - end - elseif kind=="gpos_cursive" then - if merge_cursives then - merged=merged+mergesteps_5(lookup) - end - elseif kind=="gpos_mark2mark" or kind=="gpos_mark2base" or kind=="gpos_mark2ligature" then - if merge_marks then - merged=merged+mergesteps_3(lookup) - end - end - if merg~=merged then - lookup.merged=true - end - elseif nofsteps==1 then - local kern=kerned - if kind=="gpos_single" then - if compact_singles then - kerned=kerned+checkkerns(lookup) - end - elseif kind=="gpos_pair" then - if compact_pairs then - kerned=kerned+checkpairs(lookup) - end - end - if kern~=kerned then - end - end - end - elseif trace_optimizations then - report_optimizations("no lookups in %a",what) - end - end - compact("sequences") - compact("sublookups") - if trace_optimizations then - if merged>0 then - report_optimizations("%i steps of %i removed due to merging",merged,allsteps) +local function resolve(t,k) + if k then + k=lower(k) + local v=rawget(t,k) + if v then + return v end - if kerned>0 then - report_optimizations("%i steps of %i steps turned from pairs into kerns",kerned,allsteps) + k=gsub(k," ","") + local v=rawget(t,k) + if v then + return v end - end -end -local function mergesteps(t,k) - if k=="merged" then - local merged={} - for i=1,#t do - local step=t[i] - local coverage=step.coverage - for k in next,coverage do - local m=merged[k] - if m then - m[2]=i - else - merged[k]={ i,i } + local tag,dd=match(k,"(..)(%d+)") + if tag and dd then + local v=rawget(t,tag) + if v then + return v + else + local v=rawget(t,tag.."..") + if v then + return (gsub(v,"%.%.",tonumber(dd))) end end end - t.merged=merged - return merged end + return k end -local function checkmerge(sequence) - local steps=sequence.steps - if steps then - setmetatableindex(steps,mergesteps) +setmetatableindex(features,resolve) +local function assign(t,k,v) + if k and v then + v=lower(v) + rawset(t,k,v) end end -local function checkflags(sequence,resources) - if not sequence.skiphash then - local flags=sequence.flags - if flags then - local skipmark=flags[1] - local skipligature=flags[2] - local skipbase=flags[3] - local markclass=sequence.markclass - local skipsome=skipmark or skipligature or skipbase or markclass or false - if skipsome then - sequence.skiphash=setmetatableindex(function(t,k) - local c=resources.classes[k] - local v=c==skipmark - or (markclass and c=="mark" and not markclass[k]) - or c==skipligature - or c==skipbase - or false - t[k]=v - return v - end) - else - sequence.skiphash=false - end - else - sequence.skiphash=false - end - end +if setmetatablenewindex then + setmetatablenewindex(features,assign) end -local function checksteps(sequence) - local steps=sequence.steps - if steps then - for i=1,#steps do - steps[i].index=i - end +local checkers={ + rand=function(v) + return v==true and "random" or v end +} +if not storage then + return end -if fonts.helpers then - fonts.helpers.checkmerge=checkmerge - fonts.helpers.checkflags=checkflags - fonts.helpers.checksteps=checksteps -end -function readers.expand(data) - if not data or data.expanded then - return - else - data.expanded=true - end - local resources=data.resources - local sublookups=resources.sublookups - local sequences=resources.sequences - local markclasses=resources.markclasses - local descriptions=data.descriptions - if descriptions then - local defaultwidth=resources.defaultwidth or 0 - local defaultheight=resources.defaultheight or 0 - local defaultdepth=resources.defaultdepth or 0 - local basename=trace_markwidth and file.basename(resources.filename) - for u,d in next,descriptions do - local bb=d.boundingbox - local wd=d.width - if not wd then - d.width=defaultwidth - elseif trace_markwidth and wd~=0 and d.class=="mark" then - report_markwidth("mark %a with width %b found in %a",d.name or "<noname>",wd,basename) - end - if bb then - local ht=bb[4] - local dp=-bb[2] - if ht==0 or ht<0 then - else - d.height=ht - end - if dp==0 or dp<0 then +local usedfeatures=statistics.usedfeatures or {} +statistics.usedfeatures=usedfeatures +table.setmetatableindex(usedfeatures,function(t,k) if k then local v={} t[k]=v return v end end) +storage.register("fonts/otf/usedfeatures",usedfeatures,"fonts.handlers.otf.statistics.usedfeatures" ) +local normalizedaxis=otf.readers.helpers.normalizedaxis or function(s) return s end +function otffeatures.normalize(features,wrap) + if features then + local h={} + for key,value in next,features do + local k=lower(key) + if k=="language" then + local v=gsub(lower(value),"[^a-z0-9]","") + h.language=rawget(verboselanguages,v) or (languages[v] and v) or "dflt" + elseif k=="script" then + local v=gsub(lower(value),"[^a-z0-9]","") + h.script=rawget(verbosescripts,v) or (scripts[v] and v) or "dflt" + elseif k=="axis" then + h[k]=normalizedaxis(value) + else + local uk=usedfeatures[key] + local uv=uk[value] + if uv then else - d.depth=dp - end - end - end - end - local function expandlookups(sequences) - if sequences then - for i=1,#sequences do - local sequence=sequences[i] - local steps=sequence.steps - if steps then - local nofsteps=sequence.nofsteps - local kind=sequence.type - local markclass=sequence.markclass - if markclass then - if not markclasses then - report_warning("missing markclasses") - sequence.markclass=false + uv=tonumber(value) + if uv then + elseif type(value)=="string" then + local b=is_boolean(value) + if type(b)=="nil" then + if wrap and find(value,",") then + uv="{"..lower(value).."}" + else + uv=lower(value) + end else - sequence.markclass=markclasses[markclass] + uv=b end + elseif type(value)=="table" then + uv=sequenced(t,",") + else + uv=value end - for i=1,nofsteps do - local step=steps[i] - local baseclasses=step.baseclasses - if baseclasses then - local coverage=step.coverage - for k,v in next,coverage do - v[1]=baseclasses[v[1]] - end - elseif kind=="gpos_cursive" then - local coverage=step.coverage - for k,v in next,coverage do - v[1]=coverage - end - end - local rules=step.rules - if rules then - local rulehash={ n=0 } - local rulesize=0 - local coverage={} - local lookuptype=sequence.type - local nofrules=#rules - step.coverage=coverage - for currentrule=1,nofrules do - local rule=rules[currentrule] - local current=rule.current - local before=rule.before - local after=rule.after - local replacements=rule.replacements or false - local sequence={} - local nofsequences=0 - if before then - for n=1,#before do - nofsequences=nofsequences+1 - sequence[nofsequences]=before[n] - end - end - local start=nofsequences+1 - for n=1,#current do - nofsequences=nofsequences+1 - sequence[nofsequences]=current[n] - end - local stop=nofsequences - if after then - for n=1,#after do - nofsequences=nofsequences+1 - sequence[nofsequences]=after[n] - end - end - local lookups=rule.lookups or false - local subtype=nil - if lookups then - for i=1,#lookups do - local lookups=lookups[i] - if lookups then - for k,v in next,lookups do - local lookup=sublookups[v] - if lookup then - lookups[k]=lookup - if not subtype then - subtype=lookup.type - end - else - end - end - end - end - end - if sequence[1] then - sequence.n=#sequence - local ruledata={ - currentrule, - lookuptype, - sequence, - start, - stop, - lookups, - replacements, - subtype, - } - rulesize=rulesize+1 - rulehash[rulesize]=ruledata - rulehash.n=rulesize - if true then - for unic in next,sequence[start] do - local cu=coverage[unic] - if cu then - local n=#cu+1 - cu[n]=ruledata - cu.n=n - else - coverage[unic]={ ruledata,n=1 } - end - end - else - for unic in next,sequence[start] do - local cu=coverage[unic] - if cu then - else - coverage[unic]=rulehash - end - end - end - end - end - end + if not rawget(features,k) then + k=rawget(verbosefeatures,k) or k end - checkmerge(sequence) - checkflags(sequence,resources) - checksteps(sequence) + local c=checkers[k] + if c then + uv=c(uv) or vc + end + uk[value]=uv end + h[k]=uv end end + return h end - expandlookups(sequences) - expandlookups(sublookups) end end -- closure @@ -25992,6 +23351,2649 @@ end -- closure do -- begin closure to overcome local limits and interference +if not modules then modules={} end modules ['font-oup']={ + 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 next,type=next,type +local P,R,S=lpeg.P,lpeg.R,lpeg.S +local lpegmatch=lpeg.match +local insert,remove,copy,unpack=table.insert,table.remove,table.copy,table.unpack +local formatters=string.formatters +local sortedkeys=table.sortedkeys +local sortedhash=table.sortedhash +local tohash=table.tohash +local setmetatableindex=table.setmetatableindex +local report_error=logs.reporter("otf reader","error") +local report_markwidth=logs.reporter("otf reader","markwidth") +local report_cleanup=logs.reporter("otf reader","cleanup") +local report_optimizations=logs.reporter("otf reader","merges") +local report_unicodes=logs.reporter("otf reader","unicodes") +local trace_markwidth=false trackers.register("otf.markwidth",function(v) trace_markwidth=v end) +local trace_cleanup=false trackers.register("otf.cleanups",function(v) trace_cleanups=v end) +local trace_optimizations=false trackers.register("otf.optimizations",function(v) trace_optimizations=v end) +local trace_unicodes=false trackers.register("otf.unicodes",function(v) trace_unicodes=v end) +local readers=fonts.handlers.otf.readers +local privateoffset=fonts.constructors and fonts.constructors.privateoffset or 0xF0000 +local f_private=formatters["P%05X"] +local f_unicode=formatters["U%05X"] +local f_index=formatters["I%05X"] +local f_character_y=formatters["%C"] +local f_character_n=formatters["[ %C ]"] +local check_duplicates=true +local check_soft_hyphen=true +directives.register("otf.checksofthyphen",function(v) + check_soft_hyphen=v +end) +local function replaced(list,index,replacement) + if type(list)=="number" then + return replacement + elseif type(replacement)=="table" then + local t={} + local n=index-1 + for i=1,n do + t[i]=list[i] + end + for i=1,#replacement do + n=n+1 + t[n]=replacement[i] + end + for i=index+1,#list do + n=n+1 + t[n]=list[i] + end + else + list[index]=replacement + return list + end +end +local function unifyresources(fontdata,indices) + local descriptions=fontdata.descriptions + local resources=fontdata.resources + if not descriptions or not resources then + return + end + local nofindices=#indices + local variants=fontdata.resources.variants + if variants then + for selector,unicodes in next,variants do + for unicode,index in next,unicodes do + unicodes[unicode]=indices[index] + end + end + end + local function remark(marks) + if marks then + local newmarks={} + for k,v in next,marks do + local u=indices[k] + if u then + newmarks[u]=v + elseif trace_optimizations then + report_optimizations("discarding mark %i",k) + end + end + return newmarks + end + end + local marks=resources.marks + if marks then + resources.marks=remark(marks) + end + local markclasses=resources.markclasses + if markclasses then + for class,marks in next,markclasses do + markclasses[class]=remark(marks) + end + end + local marksets=resources.marksets + if marksets then + for class,marks in next,marksets do + marksets[class]=remark(marks) + end + end + local done={} + local duplicates=check_duplicates and resources.duplicates + if duplicates and not next(duplicates) then + duplicates=false + end + local function recover(cover) + for i=1,#cover do + local c=cover[i] + if not done[c] then + local t={} + for k,v in next,c do + local ug=indices[k] + if ug then + t[ug]=v + else + report_error("case %i, bad index in unifying %s: %s of %s",1,"coverage",k,nofindices) + end + end + cover[i]=t + done[c]=d + end + end + end + local function recursed(c,kind) + local t={} + for g,d in next,c do + if type(d)=="table" then + local ug=indices[g] + if ug then + t[ug]=recursed(d,kind) + else + report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g,nofindices) + end + else + t[g]=indices[d] + end + end + return t + end + local function unifythem(sequences) + if not sequences then + return + end + for i=1,#sequences do + local sequence=sequences[i] + local kind=sequence.type + local steps=sequence.steps + local features=sequence.features + if steps then + for i=1,#steps do + local step=steps[i] + if kind=="gsub_single" then + local c=step.coverage + if c then + local t1=done[c] + if not t1 then + t1={} + if duplicates then + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + local ud1=indices[d1] + if ud1 then + t1[ug1]=ud1 + local dg1=duplicates[ug1] + if dg1 then + for u in next,dg1 do + t1[u]=ud1 + end + end + else + report_error("case %i, bad index in unifying %s: %s of %s",3,kind,d1,nofindices) + end + else + report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) + end + end + else + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + t1[ug1]=indices[d1] + else + report_error("fuzzy case %i in unifying %s: %i",2,kind,g1) + end + end + end + done[c]=t1 + end + step.coverage=t1 + end + elseif kind=="gpos_pair" then + local c=step.coverage + if c then + local t1=done[c] + if not t1 then + t1={} + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + local t2=done[d1] + if not t2 then + t2={} + for g2,d2 in next,d1 do + local ug2=indices[g2] + if ug2 then + t2[ug2]=d2 + else + report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g2,nofindices,nofindices) + end + end + done[d1]=t2 + end + t1[ug1]=t2 + else + report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) + end + end + done[c]=t1 + end + step.coverage=t1 + end + elseif kind=="gsub_ligature" then + local c=step.coverage + if c then + step.coverage=recursed(c,kind) + end + elseif kind=="gsub_alternate" or kind=="gsub_multiple" then + local c=step.coverage + if c then + local t1=done[c] + if not t1 then + t1={} + if duplicates then + for g1,d1 in next,c do + for i=1,#d1 do + local d1i=d1[i] + local d1u=indices[d1i] + if d1u then + d1[i]=d1u + else + report_error("case %i, bad index in unifying %s: %s of %s",1,kind,i,d1i,nofindices) + end + end + local ug1=indices[g1] + if ug1 then + t1[ug1]=d1 + local dg1=duplicates[ug1] + if dg1 then + for u in next,dg1 do + t1[u]=copy(d1) + end + end + else + report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) + end + end + else + for g1,d1 in next,c do + for i=1,#d1 do + local d1i=d1[i] + local d1u=indices[d1i] + if d1u then + d1[i]=d1u + else + report_error("case %i, bad index in unifying %s: %s of %s",2,kind,d1i,nofindices) + end + end + t1[indices[g1]]=d1 + end + end + done[c]=t1 + end + step.coverage=t1 + end + elseif kind=="gpos_single" then + local c=step.coverage + if c then + local t1=done[c] + if not t1 then + t1={} + if duplicates then + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + t1[ug1]=d1 + local dg1=duplicates[ug1] + if dg1 then + for u in next,dg1 do + t1[u]=d1 + end + end + else + report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) + end + end + else + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + t1[ug1]=d1 + else + report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) + end + end + end + done[c]=t1 + end + step.coverage=t1 + end + elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" or kind=="gpos_mark2ligature" then + local c=step.coverage + if c then + local t1=done[c] + if not t1 then + t1={} + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + t1[ug1]=d1 + else + report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) + end + end + done[c]=t1 + end + step.coverage=t1 + end + local c=step.baseclasses + if c then + local t1=done[c] + if not t1 then + for g1,d1 in next,c do + local t2=done[d1] + if not t2 then + t2={} + for g2,d2 in next,d1 do + local ug2=indices[g2] + if ug2 then + t2[ug2]=d2 + else + report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g2,nofindices) + end + end + done[d1]=t2 + end + c[g1]=t2 + end + done[c]=c + end + end + elseif kind=="gpos_cursive" then + local c=step.coverage + if c then + local t1=done[c] + if not t1 then + t1={} + if duplicates then + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + t1[ug1]=d1 + local dg1=duplicates[ug1] + if dg1 then + for u in next,dg1 do + t1[u]=copy(d1) + end + end + else + report_error("case %i, bad index in unifying %s: %s of %s",1,kind,g1,nofindices) + end + end + else + for g1,d1 in next,c do + local ug1=indices[g1] + if ug1 then + t1[ug1]=d1 + else + report_error("case %i, bad index in unifying %s: %s of %s",2,kind,g1,nofindices) + end + end + end + done[c]=t1 + end + step.coverage=t1 + end + end + local rules=step.rules + if rules then + for i=1,#rules do + local rule=rules[i] + local before=rule.before if before then recover(before) end + local after=rule.after if after then recover(after) end + local current=rule.current if current then recover(current) end + local replacements=rule.replacements + if replacements then + if not done[replacements] then + local r={} + for k,v in next,replacements do + r[indices[k]]=indices[v] + end + rule.replacements=r + done[replacements]=r + end + end + end + end + end + end + end + end + unifythem(resources.sequences) + unifythem(resources.sublookups) +end +local function copyduplicates(fontdata) + if check_duplicates then + local descriptions=fontdata.descriptions + local resources=fontdata.resources + local duplicates=resources.duplicates + if check_soft_hyphen then + local ds=descriptions[0xAD] + if not ds or ds.width==0 then + if ds then + descriptions[0xAD]=nil + if trace_unicodes then + report_unicodes("patching soft hyphen") + end + else + if trace_unicodes then + report_unicodes("adding soft hyphen") + end + end + if not duplicates then + duplicates={} + resources.duplicates=duplicates + end + local dh=duplicates[0x2D] + if dh then + dh[#dh+1]={ [0xAD]=true } + else + duplicates[0x2D]={ [0xAD]=true } + end + end + end + if duplicates then + for u,d in next,duplicates do + local du=descriptions[u] + if du then + local t={ f_character_y(u),"@",f_index(du.index),"->" } + local n=0 + local m=25 + for u in next,d do + if descriptions[u] then + if n<m then + t[n+4]=f_character_n(u) + end + else + local c=copy(du) + c.unicode=u + descriptions[u]=c + if n<m then + t[n+4]=f_character_y(u) + end + end + n=n+1 + end + if trace_unicodes then + if n<=m then + report_unicodes("%i : % t",n,t) + else + report_unicodes("%i : % t ...",n,t) + end + end + else + end + end + end + end +end +local ignore={ + ["notdef"]=true, + [".notdef"]=true, + ["null"]=true, + [".null"]=true, + ["nonmarkingreturn"]=true, +} +local function checklookups(fontdata,missing,nofmissing) + local descriptions=fontdata.descriptions + local resources=fontdata.resources + if missing and nofmissing and nofmissing<=0 then + return + end + local singles={} + local alternates={} + local ligatures={} + if not missing then + missing={} + nofmissing=0 + for u,d in next,descriptions do + if not d.unicode then + nofmissing=nofmissing+1 + missing[u]=true + end + end + end + local function collectthem(sequences) + if not sequences then + return + end + for i=1,#sequences do + local sequence=sequences[i] + local kind=sequence.type + local steps=sequence.steps + if steps then + for i=1,#steps do + local step=steps[i] + if kind=="gsub_single" then + local c=step.coverage + if c then + singles[#singles+1]=c + end + elseif kind=="gsub_alternate" then + local c=step.coverage + if c then + alternates[#alternates+1]=c + end + elseif kind=="gsub_ligature" then + local c=step.coverage + if c then + ligatures[#ligatures+1]=c + end + end + end + end + end + end + collectthem(resources.sequences) + collectthem(resources.sublookups) + local loops=0 + while true do + loops=loops+1 + local old=nofmissing + for i=1,#singles do + local c=singles[i] + for g1,g2 in next,c do + if missing[g1] then + local u2=descriptions[g2].unicode + if u2 then + missing[g1]=false + descriptions[g1].unicode=u2 + nofmissing=nofmissing-1 + end + end + if missing[g2] then + local u1=descriptions[g1].unicode + if u1 then + missing[g2]=false + descriptions[g2].unicode=u1 + nofmissing=nofmissing-1 + end + end + end + end + for i=1,#alternates do + local c=alternates[i] + for g1,d1 in next,c do + if missing[g1] then + for i=1,#d1 do + local g2=d1[i] + local u2=descriptions[g2].unicode + if u2 then + missing[g1]=false + descriptions[g1].unicode=u2 + nofmissing=nofmissing-1 + end + end + end + if not missing[g1] then + for i=1,#d1 do + local g2=d1[i] + if missing[g2] then + local u1=descriptions[g1].unicode + if u1 then + missing[g2]=false + descriptions[g2].unicode=u1 + nofmissing=nofmissing-1 + end + end + end + end + end + end + if nofmissing<=0 then + if trace_unicodes then + report_unicodes("all missings done in %s loops",loops) + end + return + elseif old==nofmissing then + break + end + end + local t,n + local function recursed(c) + for g,d in next,c do + if g~="ligature" then + local u=descriptions[g].unicode + if u then + n=n+1 + t[n]=u + recursed(d) + n=n-1 + end + elseif missing[d] then + local l={} + local m=0 + for i=1,n do + local u=t[i] + if type(u)=="table" then + for i=1,#u do + m=m+1 + l[m]=u[i] + end + else + m=m+1 + l[m]=u + end + end + missing[d]=false + descriptions[d].unicode=l + nofmissing=nofmissing-1 + end + end + end + if nofmissing>0 then + t={} + n=0 + local loops=0 + while true do + loops=loops+1 + local old=nofmissing + for i=1,#ligatures do + recursed(ligatures[i]) + end + if nofmissing<=0 then + if trace_unicodes then + report_unicodes("all missings done in %s loops",loops) + end + return + elseif old==nofmissing then + break + end + end + t=nil + n=0 + end + if trace_unicodes and nofmissing>0 then + local done={} + for i,r in next,missing do + if r then + local data=descriptions[i] + local name=data and data.name or f_index(i) + if not ignore[name] then + done[name]=true + end + end + end + if next(done) then + report_unicodes("not unicoded: % t",sortedkeys(done)) + end + end +end +local firstprivate=fonts.privateoffsets and fonts.privateoffsets.textbase or 0xF0000 +local puafirst=0xE000 +local pualast=0xF8FF +local function unifymissing(fontdata) + if not fonts.mappings then + require("font-map") + require("font-agl") + end + local unicodes={} + local resources=fontdata.resources + resources.unicodes=unicodes + for unicode,d in next,fontdata.descriptions do + if unicode<privateoffset then + if unicode>=puafirst and unicode<=pualast then + else + local name=d.name + if name then + unicodes[name]=unicode + end + end + else + end + end + fonts.mappings.addtounicode(fontdata,fontdata.filename,checklookups) + resources.unicodes=nil +end +local function unifyglyphs(fontdata,usenames) + local private=fontdata.private or privateoffset + local glyphs=fontdata.glyphs + local indices={} + local descriptions={} + local names=usenames and {} + local resources=fontdata.resources + local zero=glyphs[0] + local zerocode=zero.unicode + if not zerocode then + zerocode=private + zero.unicode=zerocode + private=private+1 + end + descriptions[zerocode]=zero + if names then + local name=glyphs[0].name or f_private(zerocode) + indices[0]=name + names[name]=zerocode + else + indices[0]=zerocode + end + if names then + for index=1,#glyphs do + local glyph=glyphs[index] + local unicode=glyph.unicode + if not unicode then + unicode=private + local name=glyph.name or f_private(unicode) + indices[index]=name + names[name]=unicode + private=private+1 + elseif unicode>=firstprivate then + unicode=private + local name=glyph.name or f_private(unicode) + indices[index]=name + names[name]=unicode + private=private+1 + elseif unicode>=puafirst and unicode<=pualast then + local name=glyph.name or f_private(unicode) + indices[index]=name + names[name]=unicode + elseif descriptions[unicode] then + unicode=private + local name=glyph.name or f_private(unicode) + indices[index]=name + names[name]=unicode + private=private+1 + else + local name=glyph.name or f_unicode(unicode) + indices[index]=name + names[name]=unicode + end + descriptions[unicode]=glyph + end + elseif trace_unicodes then + for index=1,#glyphs do + local glyph=glyphs[index] + local unicode=glyph.unicode + if not unicode then + unicode=private + indices[index]=unicode + private=private+1 + elseif unicode>=firstprivate then + local name=glyph.name + if name then + report_unicodes("moving glyph %a indexed %05X from private %U to %U ",name,index,unicode,private) + else + report_unicodes("moving glyph indexed %05X from private %U to %U ",index,unicode,private) + end + unicode=private + indices[index]=unicode + private=private+1 + elseif unicode>=puafirst and unicode<=pualast then + local name=glyph.name + if name then + report_unicodes("keeping private unicode %U for glyph %a indexed %05X",unicode,name,index) + else + report_unicodes("keeping private unicode %U for glyph indexed %05X",unicode,index) + end + indices[index]=unicode + elseif descriptions[unicode] then + local name=glyph.name + if name then + report_unicodes("assigning duplicate unicode %U to %U for glyph %a indexed %05X ",unicode,private,name,index) + else + report_unicodes("assigning duplicate unicode %U to %U for glyph indexed %05X ",unicode,private,index) + end + unicode=private + indices[index]=unicode + private=private+1 + else + indices[index]=unicode + end + descriptions[unicode]=glyph + end + else + for index=1,#glyphs do + local glyph=glyphs[index] + local unicode=glyph.unicode + if not unicode then + unicode=private + indices[index]=unicode + private=private+1 + elseif unicode>=firstprivate then + local name=glyph.name + unicode=private + indices[index]=unicode + private=private+1 + elseif unicode>=puafirst and unicode<=pualast then + local name=glyph.name + indices[index]=unicode + elseif descriptions[unicode] then + local name=glyph.name + unicode=private + indices[index]=unicode + private=private+1 + else + indices[index]=unicode + end + descriptions[unicode]=glyph + end + end + for index=1,#glyphs do + local math=glyphs[index].math + if math then + local list=math.vparts + if list then + for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end + end + local list=math.hparts + if list then + for i=1,#list do local l=list[i] l.glyph=indices[l.glyph] end + end + local list=math.vvariants + if list then + for i=1,#list do list[i]=indices[list[i]] end + end + local list=math.hvariants + if list then + for i=1,#list do list[i]=indices[list[i]] end + end + end + end + local colorpalettes=resources.colorpalettes + if colorpalettes then + for index=1,#glyphs do + local colors=glyphs[index].colors + if colors then + for i=1,#colors do + local c=colors[i] + c.slot=indices[c.slot] + end + end + end + end + fontdata.private=private + fontdata.glyphs=nil + fontdata.names=names + fontdata.descriptions=descriptions + fontdata.hashmethod=hashmethod + return indices,names +end +local p_crappyname do + local p_hex=R("af","AF","09") + local p_digit=R("09") + local p_done=S("._-")^0+P(-1) + local p_alpha=R("az","AZ") + local p_ALPHA=R("AZ") + p_crappyname=( + lpeg.utfchartabletopattern({ "uni","u" },true)*S("Xx_")^0*p_hex^1 ++lpeg.utfchartabletopattern({ "identity","glyph","jamo" },true)*p_hex^1 ++lpeg.utfchartabletopattern({ "index","afii" },true)*p_digit^1 ++p_digit*p_hex^3+p_alpha*p_digit^1 ++P("aj")*p_digit^1+P("eh_")*(p_digit^1+p_ALPHA*p_digit^1)+(1-P("_"))^1*P("_uni")*p_hex^1+P("_")*P(1)^1 + )*p_done +end +local forcekeep=false +directives.register("otf.keepnames",function(v) + report_cleanup("keeping weird glyph names, expect larger files and more memory usage") + forcekeep=v +end) +local function stripredundant(fontdata) + local descriptions=fontdata.descriptions + if descriptions then + local n=0 + local c=0 + if (not context and fonts.privateoffsets.keepnames) or forcekeep then + for unicode,d in next,descriptions do + if d.class=="base" then + d.class=nil + c=c+1 + end + end + else + for unicode,d in next,descriptions do + local name=d.name + if name and lpegmatch(p_crappyname,name) then + d.name=nil + n=n+1 + end + if d.class=="base" then + d.class=nil + c=c+1 + end + end + end + if trace_cleanup then + if n>0 then + report_cleanup("%s bogus names removed (verbose unicode)",n) + end + if c>0 then + report_cleanup("%s base class tags removed (default is base)",c) + end + end + end +end +readers.stripredundant=stripredundant +function readers.getcomponents(fontdata) + local resources=fontdata.resources + if resources then + local sequences=resources.sequences + if sequences then + local collected={} + for i=1,#sequences do + local sequence=sequences[i] + if sequence.type=="gsub_ligature" then + local steps=sequence.steps + if steps then + local l={} + local function traverse(p,k,v) + if k=="ligature" then + collected[v]={ unpack(l) } + else + insert(l,k) + for k,vv in next,v do + traverse(p,k,vv) + end + remove(l) + end + end + for i=1,#steps do + local c=steps[i].coverage + if c then + for k,v in next,c do + traverse(k,k,v) + end + end + end + end + end + end + if next(collected) then + while true do + local done=false + for k,v in next,collected do + for i=1,#v do + local vi=v[i] + if vi==k then + collected[k]=nil + break + else + local c=collected[vi] + if c then + done=true + local t={} + local n=i-1 + for j=1,n do + t[j]=v[j] + end + for j=1,#c do + n=n+1 + t[n]=c[j] + end + for j=i+1,#v do + n=n+1 + t[n]=v[j] + end + collected[k]=t + break + end + end + end + end + if not done then + break + end + end + return collected + end + end + end +end +readers.unifymissing=unifymissing +function readers.rehash(fontdata,hashmethod) + if not (fontdata and fontdata.glyphs) then + return + end + if hashmethod=="indices" then + fontdata.hashmethod="indices" + elseif hashmethod=="names" then + fontdata.hashmethod="names" + local indices=unifyglyphs(fontdata,true) + unifyresources(fontdata,indices) + copyduplicates(fontdata) + unifymissing(fontdata) + else + fontdata.hashmethod="unicodes" + local indices=unifyglyphs(fontdata) + unifyresources(fontdata,indices) + copyduplicates(fontdata) + unifymissing(fontdata) + stripredundant(fontdata) + end +end +function readers.checkhash(fontdata) + local hashmethod=fontdata.hashmethod + if hashmethod=="unicodes" then + fontdata.names=nil + elseif hashmethod=="names" and fontdata.names then + unifyresources(fontdata,fontdata.names) + copyduplicates(fontdata) + fontdata.hashmethod="unicodes" + fontdata.names=nil + else + readers.rehash(fontdata,"unicodes") + end +end +function readers.addunicodetable(fontdata) + local resources=fontdata.resources + local unicodes=resources.unicodes + if not unicodes then + local descriptions=fontdata.descriptions + if descriptions then + unicodes={} + resources.unicodes=unicodes + for u,d in next,descriptions do + local n=d.name + if n then + unicodes[n]=u + end + end + end + end +end +local concat,sort=table.concat,table.sort +local next,type,tostring=next,type,tostring +local criterium=1 +local threshold=0 +local trace_packing=false trackers.register("otf.packing",function(v) trace_packing=v end) +local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) +local report_otf=logs.reporter("fonts","otf loading") +local function tabstr_normal(t) + local s={} + local n=0 + for k,v in next,t do + n=n+1 + if type(v)=="table" then + s[n]=k..">"..tabstr_normal(v) + elseif v==true then + s[n]=k.."+" + elseif v then + s[n]=k.."="..v + else + s[n]=k.."-" + end + end + if n==0 then + return "" + elseif n==1 then + return s[1] + else + sort(s) + return concat(s,",") + end +end +local function tabstr_flat(t) + local s={} + local n=0 + for k,v in next,t do + n=n+1 + s[n]=k.."="..v + end + if n==0 then + return "" + elseif n==1 then + return s[1] + else + sort(s) + return concat(s,",") + end +end +local function tabstr_mixed(t) + local s={} + local n=#t + if n==0 then + return "" + elseif n==1 then + local k=t[1] + if k==true then + return "++" + elseif k==false then + return "--" + else + return tostring(k) + end + else + for i=1,n do + local k=t[i] + if k==true then + s[i]="++" + elseif k==false then + s[i]="--" + else + s[i]=k + end + end + return concat(s,",") + end +end +local function tabstr_boolean(t) + local s={} + local n=0 + for k,v in next,t do + n=n+1 + if v then + s[n]=k.."+" + else + s[n]=k.."-" + end + end + if n==0 then + return "" + elseif n==1 then + return s[1] + else + sort(s) + return concat(s,",") + end +end +function readers.pack(data) + if data then + local h,t,c={},{},{} + local hh,tt,cc={},{},{} + local nt,ntt=0,0 + local function pack_normal(v) + local tag=tabstr_normal(v) + local ht=h[tag] + if ht then + c[ht]=c[ht]+1 + return ht + else + nt=nt+1 + t[nt]=v + h[tag]=nt + c[nt]=1 + return nt + end + end + local function pack_normal_cc(v) + local tag=tabstr_normal(v) + local ht=h[tag] + if ht then + c[ht]=c[ht]+1 + return ht + else + v[1]=0 + nt=nt+1 + t[nt]=v + h[tag]=nt + c[nt]=1 + return nt + end + end + local function pack_flat(v) + local tag=tabstr_flat(v) + local ht=h[tag] + if ht then + c[ht]=c[ht]+1 + return ht + else + nt=nt+1 + t[nt]=v + h[tag]=nt + c[nt]=1 + return nt + end + end + local function pack_indexed(v) + local tag=concat(v," ") + local ht=h[tag] + if ht then + c[ht]=c[ht]+1 + return ht + else + nt=nt+1 + t[nt]=v + h[tag]=nt + c[nt]=1 + return nt + end + end + local function pack_mixed(v) + local tag=tabstr_mixed(v) + local ht=h[tag] + if ht then + c[ht]=c[ht]+1 + return ht + else + nt=nt+1 + t[nt]=v + h[tag]=nt + c[nt]=1 + return nt + end + end + local function pack_boolean(v) + local tag=tabstr_boolean(v) + local ht=h[tag] + if ht then + c[ht]=c[ht]+1 + return ht + else + nt=nt+1 + t[nt]=v + h[tag]=nt + c[nt]=1 + return nt + end + end + local function pack_final(v) + if c[v]<=criterium then + return t[v] + else + local hv=hh[v] + if hv then + return hv + else + ntt=ntt+1 + tt[ntt]=t[v] + hh[v]=ntt + cc[ntt]=c[v] + return ntt + end + end + end + local function pack_final_cc(v) + if c[v]<=criterium then + return t[v] + else + local hv=hh[v] + if hv then + return hv + else + ntt=ntt+1 + tt[ntt]=t[v] + hh[v]=ntt + cc[ntt]=c[v] + return ntt + end + end + end + local function success(stage,pass) + if nt==0 then + if trace_loading or trace_packing then + report_otf("pack quality: nothing to pack") + end + return false + elseif nt>=threshold then + local one=0 + local two=0 + local rest=0 + if pass==1 then + for k,v in next,c do + if v==1 then + one=one+1 + elseif v==2 then + two=two+1 + else + rest=rest+1 + end + end + else + for k,v in next,cc do + if v>20 then + rest=rest+1 + elseif v>10 then + two=two+1 + else + one=one+1 + end + end + data.tables=tt + end + if trace_loading or trace_packing then + report_otf("pack quality: stage %s, pass %s, %s packed, 1-10:%s, 11-20:%s, rest:%s (criterium: %s)", + stage,pass,one+two+rest,one,two,rest,criterium) + end + return true + else + if trace_loading or trace_packing then + report_otf("pack quality: stage %s, pass %s, %s packed, aborting pack (threshold: %s)", + stage,pass,nt,threshold) + end + return false + end + end + local function packers(pass) + if pass==1 then + return pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc + else + return pack_final,pack_final,pack_final,pack_final,pack_final,pack_final_cc + end + end + local resources=data.resources + local sequences=resources.sequences + local sublookups=resources.sublookups + local features=resources.features + local palettes=resources.colorpalettes + local variable=resources.variabledata + local chardata=characters and characters.data + local descriptions=data.descriptions or data.glyphs + if not descriptions then + return + end + for pass=1,2 do + if trace_packing then + report_otf("start packing: stage 1, pass %s",pass) + end + local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass) + for unicode,description in next,descriptions do + local boundingbox=description.boundingbox + if boundingbox then + description.boundingbox=pack_indexed(boundingbox) + end + local math=description.math + if math then + local kerns=math.kerns + if kerns then + for tag,kern in next,kerns do + kerns[tag]=pack_normal(kern) + end + end + end + end + local function packthem(sequences) + for i=1,#sequences do + local sequence=sequences[i] + local kind=sequence.type + local steps=sequence.steps + local order=sequence.order + local features=sequence.features + local flags=sequence.flags + if steps then + for i=1,#steps do + local step=steps[i] + if kind=="gpos_pair" then + local c=step.coverage + if c then + if step.format~="pair" then + for g1,d1 in next,c do + c[g1]=pack_normal(d1) + end + elseif step.shared then + local shared={} + for g1,d1 in next,c do + for g2,d2 in next,d1 do + if not shared[d2] then + local f=d2[1] if f and f~=true then d2[1]=pack_indexed(f) end + local s=d2[2] if s and s~=true then d2[2]=pack_indexed(s) end + shared[d2]=true + end + end + end + if pass==2 then + step.shared=nil + end + else + for g1,d1 in next,c do + for g2,d2 in next,d1 do + local f=d2[1] if f and f~=true then d2[1]=pack_indexed(f) end + local s=d2[2] if s and s~=true then d2[2]=pack_indexed(s) end + end + end + end + end + elseif kind=="gpos_single" then + local c=step.coverage + if c then + if step.format=="single" then + for g1,d1 in next,c do + if d1 and d1~=true then + c[g1]=pack_indexed(d1) + end + end + else + step.coverage=pack_normal(c) + end + end + elseif kind=="gpos_cursive" then + local c=step.coverage + if c then + for g1,d1 in next,c do + local f=d1[2] if f then d1[2]=pack_indexed(f) end + local s=d1[3] if s then d1[3]=pack_indexed(s) end + end + end + elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then + local c=step.baseclasses + if c then + for g1,d1 in next,c do + for g2,d2 in next,d1 do + d1[g2]=pack_indexed(d2) + end + end + end + local c=step.coverage + if c then + for g1,d1 in next,c do + d1[2]=pack_indexed(d1[2]) + end + end + elseif kind=="gpos_mark2ligature" then + local c=step.baseclasses + if c then + for g1,d1 in next,c do + for g2,d2 in next,d1 do + for g3,d3 in next,d2 do + d2[g3]=pack_indexed(d3) + end + end + end + end + local c=step.coverage + if c then + for g1,d1 in next,c do + d1[2]=pack_indexed(d1[2]) + end + end + end + local rules=step.rules + if rules then + for i=1,#rules do + local rule=rules[i] + local r=rule.before if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end + local r=rule.after if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end + local r=rule.current if r then for i=1,#r do r[i]=pack_boolean(r[i]) end end + local r=rule.replacements if r then rule.replacements=pack_flat (r) end + end + end + end + end + if order then + sequence.order=pack_indexed(order) + end + if features then + for script,feature in next,features do + features[script]=pack_normal(feature) + end + end + if flags then + sequence.flags=pack_normal(flags) + end + end + end + if sequences then + packthem(sequences) + end + if sublookups then + packthem(sublookups) + end + if features then + for k,list in next,features do + for feature,spec in next,list do + list[feature]=pack_normal(spec) + end + end + end + if palettes then + for i=1,#palettes do + local p=palettes[i] + for j=1,#p do + p[j]=pack_indexed(p[j]) + end + end + end + if variable then + local instances=variable.instances + if instances then + for i=1,#instances do + local v=instances[i].values + for j=1,#v do + v[j]=pack_normal(v[j]) + end + end + end + local function packdeltas(main) + if main then + local deltas=main.deltas + if deltas then + for i=1,#deltas do + local di=deltas[i] + local d=di.deltas + for j=1,#d do + d[j]=pack_indexed(d[j]) + end + di.regions=pack_indexed(di.regions) + end + end + local regions=main.regions + if regions then + for i=1,#regions do + local r=regions[i] + for j=1,#r do + r[j]=pack_normal(r[j]) + end + end + end + end + end + packdeltas(variable.global) + packdeltas(variable.horizontal) + packdeltas(variable.vertical) + packdeltas(variable.metrics) + end + if not success(1,pass) then + return + end + end + if nt>0 then + for pass=1,2 do + if trace_packing then + report_otf("start packing: stage 2, pass %s",pass) + end + local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass) + for unicode,description in next,descriptions do + local math=description.math + if math then + local kerns=math.kerns + if kerns then + math.kerns=pack_normal(kerns) + end + end + end + local function packthem(sequences) + for i=1,#sequences do + local sequence=sequences[i] + local kind=sequence.type + local steps=sequence.steps + local features=sequence.features + if steps then + for i=1,#steps do + local step=steps[i] + if kind=="gpos_pair" then + local c=step.coverage + if c then + if step.format=="pair" then + for g1,d1 in next,c do + for g2,d2 in next,d1 do + d1[g2]=pack_normal(d2) + end + end + end + end + elseif kind=="gpos_mark2ligature" then + local c=step.baseclasses + if c then + for g1,d1 in next,c do + for g2,d2 in next,d1 do + d1[g2]=pack_normal(d2) + end + end + end + end + local rules=step.rules + if rules then + for i=1,#rules do + local rule=rules[i] + local r=rule.before if r then rule.before=pack_normal(r) end + local r=rule.after if r then rule.after=pack_normal(r) end + local r=rule.current if r then rule.current=pack_normal(r) end + end + end + end + end + if features then + sequence.features=pack_normal(features) + end + end + end + if sequences then + packthem(sequences) + end + if sublookups then + packthem(sublookups) + end + if variable then + local function unpackdeltas(main) + if main then + local regions=main.regions + if regions then + main.regions=pack_normal(regions) + end + end + end + unpackdeltas(variable.global) + unpackdeltas(variable.horizontal) + unpackdeltas(variable.vertical) + unpackdeltas(variable.metrics) + end + end + for pass=1,2 do + if trace_packing then + report_otf("start packing: stage 3, pass %s",pass) + end + local pack_normal,pack_indexed,pack_flat,pack_boolean,pack_mixed,pack_normal_cc=packers(pass) + local function packthem(sequences) + for i=1,#sequences do + local sequence=sequences[i] + local kind=sequence.type + local steps=sequence.steps + local features=sequence.features + if steps then + for i=1,#steps do + local step=steps[i] + if kind=="gpos_pair" then + local c=step.coverage + if c then + if step.format=="pair" then + for g1,d1 in next,c do + c[g1]=pack_normal(d1) + end + end + end + elseif kind=="gpos_cursive" then + local c=step.coverage + if c then + for g1,d1 in next,c do + c[g1]=pack_normal_cc(d1) + end + end + end + end + end + end + end + if sequences then + packthem(sequences) + end + if sublookups then + packthem(sublookups) + end + end + end + end +end +local unpacked_mt={ + __index=function(t,k) + t[k]=false + return k + end +} +function readers.unpack(data) + if data then + local tables=data.tables + if tables then + local resources=data.resources + local descriptions=data.descriptions or data.glyphs + local sequences=resources.sequences + local sublookups=resources.sublookups + local features=resources.features + local palettes=resources.colorpalettes + local variable=resources.variabledata + local unpacked={} + setmetatable(unpacked,unpacked_mt) + for unicode,description in next,descriptions do + local tv=tables[description.boundingbox] + if tv then + description.boundingbox=tv + end + local math=description.math + if math then + local kerns=math.kerns + if kerns then + local tm=tables[kerns] + if tm then + math.kerns=tm + kerns=unpacked[tm] + end + if kerns then + for k,kern in next,kerns do + local tv=tables[kern] + if tv then + kerns[k]=tv + end + end + end + end + end + end + local function unpackthem(sequences) + for i=1,#sequences do + local sequence=sequences[i] + local kind=sequence.type + local steps=sequence.steps + local order=sequence.order + local features=sequence.features + local flags=sequence.flags + local markclass=sequence.markclass + if features then + local tv=tables[features] + if tv then + sequence.features=tv + features=tv + end + for script,feature in next,features do + local tv=tables[feature] + if tv then + features[script]=tv + end + end + end + if steps then + for i=1,#steps do + local step=steps[i] + if kind=="gpos_pair" then + local c=step.coverage + if c then + if step.format=="pair" then + for g1,d1 in next,c do + local tv=tables[d1] + if tv then + c[g1]=tv + d1=tv + end + for g2,d2 in next,d1 do + local tv=tables[d2] + if tv then + d1[g2]=tv + d2=tv + end + local f=tables[d2[1]] if f then d2[1]=f end + local s=tables[d2[2]] if s then d2[2]=s end + end + end + else + for g1,d1 in next,c do + local tv=tables[d1] + if tv then + c[g1]=tv + end + end + end + end + elseif kind=="gpos_single" then + local c=step.coverage + if c then + if step.format=="single" then + for g1,d1 in next,c do + local tv=tables[d1] + if tv then + c[g1]=tv + end + end + else + local tv=tables[c] + if tv then + step.coverage=tv + end + end + end + elseif kind=="gpos_cursive" then + local c=step.coverage + if c then + for g1,d1 in next,c do + local tv=tables[d1] + if tv then + d1=tv + c[g1]=d1 + end + local f=tables[d1[2]] if f then d1[2]=f end + local s=tables[d1[3]] if s then d1[3]=s end + end + end + elseif kind=="gpos_mark2base" or kind=="gpos_mark2mark" then + local c=step.baseclasses + if c then + for g1,d1 in next,c do + for g2,d2 in next,d1 do + local tv=tables[d2] + if tv then + d1[g2]=tv + end + end + end + end + local c=step.coverage + if c then + for g1,d1 in next,c do + local tv=tables[d1[2]] + if tv then + d1[2]=tv + end + end + end + elseif kind=="gpos_mark2ligature" then + local c=step.baseclasses + if c then + for g1,d1 in next,c do + for g2,d2 in next,d1 do + local tv=tables[d2] + if tv then + d2=tv + d1[g2]=d2 + end + for g3,d3 in next,d2 do + local tv=tables[d2[g3]] + if tv then + d2[g3]=tv + end + end + end + end + end + local c=step.coverage + if c then + for g1,d1 in next,c do + local tv=tables[d1[2]] + if tv then + d1[2]=tv + end + end + end + end + local rules=step.rules + if rules then + for i=1,#rules do + local rule=rules[i] + local before=rule.before + if before then + local tv=tables[before] + if tv then + rule.before=tv + before=tv + end + for i=1,#before do + local tv=tables[before[i]] + if tv then + before[i]=tv + end + end + end + local after=rule.after + if after then + local tv=tables[after] + if tv then + rule.after=tv + after=tv + end + for i=1,#after do + local tv=tables[after[i]] + if tv then + after[i]=tv + end + end + end + local current=rule.current + if current then + local tv=tables[current] + if tv then + rule.current=tv + current=tv + end + for i=1,#current do + local tv=tables[current[i]] + if tv then + current[i]=tv + end + end + end + local replacements=rule.replacements + if replacements then + local tv=tables[replacements] + if tv then + rule.replacements=tv + end + end + end + end + end + end + if order then + local tv=tables[order] + if tv then + sequence.order=tv + end + end + if flags then + local tv=tables[flags] + if tv then + sequence.flags=tv + end + end + end + end + if sequences then + unpackthem(sequences) + end + if sublookups then + unpackthem(sublookups) + end + if features then + for k,list in next,features do + for feature,spec in next,list do + local tv=tables[spec] + if tv then + list[feature]=tv + end + end + end + end + if palettes then + for i=1,#palettes do + local p=palettes[i] + for j=1,#p do + local tv=tables[p[j]] + if tv then + p[j]=tv + end + end + end + end + if variable then + local instances=variable.instances + if instances then + for i=1,#instances do + local v=instances[i].values + for j=1,#v do + local tv=tables[v[j]] + if tv then + v[j]=tv + end + end + end + end + local function unpackdeltas(main) + if main then + local deltas=main.deltas + if deltas then + for i=1,#deltas do + local di=deltas[i] + local d=di.deltas + local r=di.regions + for j=1,#d do + local tv=tables[d[j]] + if tv then + d[j]=tv + end + end + local tv=di.regions + if tv then + di.regions=tv + end + end + end + local regions=main.regions + if regions then + local tv=tables[regions] + if tv then + main.regions=tv + regions=tv + end + for i=1,#regions do + local r=regions[i] + for j=1,#r do + local tv=tables[r[j]] + if tv then + r[j]=tv + end + end + end + end + end + end + unpackdeltas(variable.global) + unpackdeltas(variable.horizontal) + unpackdeltas(variable.vertical) + unpackdeltas(variable.metrics) + end + data.tables=nil + end + end +end +local mt={ + __index=function(t,k) + if k=="height" then + local ht=t.boundingbox[4] + return ht<0 and 0 or ht + elseif k=="depth" then + local dp=-t.boundingbox[2] + return dp<0 and 0 or dp + elseif k=="width" then + return 0 + elseif k=="name" then + return forcenotdef and ".notdef" + end + end +} +local function sameformat(sequence,steps,first,nofsteps,kind) + return true +end +local function mergesteps_1(lookup,strict) + local steps=lookup.steps + local nofsteps=lookup.nofsteps + local first=steps[1] + if strict then + local f=first.format + for i=2,nofsteps do + if steps[i].format~=f then + if trace_optimizations then + report_optimizations("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name) + end + return 0 + end + end + end + if trace_optimizations then + report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) + end + local target=first.coverage + for i=2,nofsteps do + local c=steps[i].coverage + if c then + for k,v in next,c do + if not target[k] then + target[k]=v + end + end + end + end + lookup.nofsteps=1 + lookup.merged=true + lookup.steps={ first } + return nofsteps-1 +end +local function mergesteps_2(lookup) + local steps=lookup.steps + local nofsteps=lookup.nofsteps + local first=steps[1] + if strict then + local f=first.format + for i=2,nofsteps do + if steps[i].format~=f then + if trace_optimizations then + report_optimizations("not merging %a steps of %a lookup %a, different formats",nofsteps,lookup.type,lookup.name) + end + return 0 + end + end + end + if trace_optimizations then + report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) + end + local target=first.coverage + for i=2,nofsteps do + local c=steps[i].coverage + if c then + for k,v in next,c do + local tk=target[k] + if tk then + for kk,vv in next,v do + if tk[kk]==nil then + tk[kk]=vv + end + end + else + target[k]=v + end + end + end + end + lookup.nofsteps=1 + lookup.merged=true + lookup.steps={ first } + return nofsteps-1 +end +local function mergesteps_3(lookup,strict) + local steps=lookup.steps + local nofsteps=lookup.nofsteps + if trace_optimizations then + report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) + end + local coverage={} + for i=1,nofsteps do + local c=steps[i].coverage + if c then + for k,v in next,c do + local tk=coverage[k] + if tk then + if trace_optimizations then + report_optimizations("quitting merge due to multiple checks") + end + return nofsteps + else + coverage[k]=v + end + end + end + end + local first=steps[1] + local baseclasses={} + for i=1,nofsteps do + local offset=i*10 + local step=steps[i] + for k,v in sortedhash(step.baseclasses) do + baseclasses[offset+k]=v + end + for k,v in next,step.coverage do + v[1]=offset+v[1] + end + end + first.baseclasses=baseclasses + first.coverage=coverage + lookup.nofsteps=1 + lookup.merged=true + lookup.steps={ first } + return nofsteps-1 +end +local function nested(old,new) + for k,v in next,old do + if k=="ligature" then + if not new.ligature then + new.ligature=v + end + else + local n=new[k] + if n then + nested(v,n) + else + new[k]=v + end + end + end +end +local function mergesteps_4(lookup) + local steps=lookup.steps + local nofsteps=lookup.nofsteps + local first=steps[1] + if trace_optimizations then + report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) + end + local target=first.coverage + for i=2,nofsteps do + local c=steps[i].coverage + if c then + for k,v in next,c do + local tk=target[k] + if tk then + nested(v,tk) + else + target[k]=v + end + end + end + end + lookup.nofsteps=1 + lookup.steps={ first } + return nofsteps-1 +end +local function mergesteps_5(lookup) + local steps=lookup.steps + local nofsteps=lookup.nofsteps + local first=steps[1] + if trace_optimizations then + report_optimizations("merging %a steps of %a lookup %a",nofsteps,lookup.type,lookup.name) + end + local target=first.coverage + local hash=nil + for k,v in next,target do + hash=v[1] + break + end + for i=2,nofsteps do + local c=steps[i].coverage + if c then + for k,v in next,c do + local tk=target[k] + if tk then + if not tk[2] then + tk[2]=v[2] + end + if not tk[3] then + tk[3]=v[3] + end + else + target[k]=v + v[1]=hash + end + end + end + end + lookup.nofsteps=1 + lookup.merged=true + lookup.steps={ first } + return nofsteps-1 +end +local function checkkerns(lookup) + local steps=lookup.steps + local nofsteps=lookup.nofsteps + local kerned=0 + for i=1,nofsteps do + local step=steps[i] + if step.format=="pair" then + local coverage=step.coverage + local kerns=true + for g1,d1 in next,coverage do + if d1==true then + elseif not d1 then + elseif d1[1]~=0 or d1[2]~=0 or d1[4]~=0 then + kerns=false + break + end + end + if kerns then + if trace_optimizations then + report_optimizations("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name) + end + local c={} + for g1,d1 in next,coverage do + if d1 and d1~=true then + c[g1]=d1[3] + end + end + step.coverage=c + step.format="move" + kerned=kerned+1 + end + end + end + return kerned +end +local function checkpairs(lookup) + local steps=lookup.steps + local nofsteps=lookup.nofsteps + local kerned=0 + local function onlykerns(step) + local coverage=step.coverage + for g1,d1 in next,coverage do + for g2,d2 in next,d1 do + if d2[2] then + return false + else + local v=d2[1] + if v==true then + elseif v and (v[1]~=0 or v[2]~=0 or v[4]~=0) then + return false + end + end + end + end + return coverage + end + for i=1,nofsteps do + local step=steps[i] + if step.format=="pair" then + local coverage=onlykerns(step) + if coverage then + if trace_optimizations then + report_optimizations("turning pairs of step %a of %a lookup %a into kerns",i,lookup.type,lookup.name) + end + for g1,d1 in next,coverage do + local d={} + for g2,d2 in next,d1 do + local v=d2[1] + if v==true then + elseif v then + d[g2]=v[3] + end + end + coverage[g1]=d + end + step.format="move" + kerned=kerned+1 + end + end + end + return kerned +end +local compact_pairs=true +local compact_singles=true +local merge_pairs=true +local merge_singles=true +local merge_substitutions=true +local merge_alternates=true +local merge_multiples=true +local merge_ligatures=true +local merge_cursives=true +local merge_marks=true +directives.register("otf.compact.pairs",function(v) compact_pairs=v end) +directives.register("otf.compact.singles",function(v) compact_singles=v end) +directives.register("otf.merge.pairs",function(v) merge_pairs=v end) +directives.register("otf.merge.singles",function(v) merge_singles=v end) +directives.register("otf.merge.substitutions",function(v) merge_substitutions=v end) +directives.register("otf.merge.alternates",function(v) merge_alternates=v end) +directives.register("otf.merge.multiples",function(v) merge_multiples=v end) +directives.register("otf.merge.ligatures",function(v) merge_ligatures=v end) +directives.register("otf.merge.cursives",function(v) merge_cursives=v end) +directives.register("otf.merge.marks",function(v) merge_marks=v end) +function readers.compact(data) + if not data or data.compacted then + return + else + data.compacted=true + end + local resources=data.resources + local merged=0 + local kerned=0 + local allsteps=0 + local function compact(what) + local lookups=resources[what] + if lookups then + for i=1,#lookups do + local lookup=lookups[i] + local nofsteps=lookup.nofsteps + local kind=lookup.type + allsteps=allsteps+nofsteps + if nofsteps>1 then + local merg=merged + if kind=="gsub_single" then + if merge_substitutions then + merged=merged+mergesteps_1(lookup) + end + elseif kind=="gsub_alternate" then + if merge_alternates then + merged=merged+mergesteps_1(lookup) + end + elseif kind=="gsub_multiple" then + if merge_multiples then + merged=merged+mergesteps_1(lookup) + end + elseif kind=="gsub_ligature" then + if merge_ligatures then + merged=merged+mergesteps_4(lookup) + end + elseif kind=="gpos_single" then + if merge_singles then + merged=merged+mergesteps_1(lookup,true) + end + if compact_singles then + kerned=kerned+checkkerns(lookup) + end + elseif kind=="gpos_pair" then + if merge_pairs then + merged=merged+mergesteps_2(lookup) + end + if compact_pairs then + kerned=kerned+checkpairs(lookup) + end + elseif kind=="gpos_cursive" then + if merge_cursives then + merged=merged+mergesteps_5(lookup) + end + elseif kind=="gpos_mark2mark" or kind=="gpos_mark2base" or kind=="gpos_mark2ligature" then + if merge_marks then + merged=merged+mergesteps_3(lookup) + end + end + if merg~=merged then + lookup.merged=true + end + elseif nofsteps==1 then + local kern=kerned + if kind=="gpos_single" then + if compact_singles then + kerned=kerned+checkkerns(lookup) + end + elseif kind=="gpos_pair" then + if compact_pairs then + kerned=kerned+checkpairs(lookup) + end + end + if kern~=kerned then + end + end + end + elseif trace_optimizations then + report_optimizations("no lookups in %a",what) + end + end + compact("sequences") + compact("sublookups") + if trace_optimizations then + if merged>0 then + report_optimizations("%i steps of %i removed due to merging",merged,allsteps) + end + if kerned>0 then + report_optimizations("%i steps of %i steps turned from pairs into kerns",kerned,allsteps) + end + end +end +local function mergesteps(t,k) + if k=="merged" then + local merged={} + for i=1,#t do + local step=t[i] + local coverage=step.coverage + for k in next,coverage do + local m=merged[k] + if m then + m[2]=i + else + merged[k]={ i,i } + end + end + end + t.merged=merged + return merged + end +end +local function checkmerge(sequence) + local steps=sequence.steps + if steps then + setmetatableindex(steps,mergesteps) + end +end +local function checkflags(sequence,resources) + if not sequence.skiphash then + local flags=sequence.flags + if flags then + local skipmark=flags[1] + local skipligature=flags[2] + local skipbase=flags[3] + local markclass=sequence.markclass + local skipsome=skipmark or skipligature or skipbase or markclass or false + if skipsome then + sequence.skiphash=setmetatableindex(function(t,k) + local c=resources.classes[k] + local v=c==skipmark + or (markclass and c=="mark" and not markclass[k]) + or c==skipligature + or c==skipbase + or false + t[k]=v + return v + end) + else + sequence.skiphash=false + end + else + sequence.skiphash=false + end + end +end +local function checksteps(sequence) + local steps=sequence.steps + if steps then + for i=1,#steps do + steps[i].index=i + end + end +end +if fonts.helpers then + fonts.helpers.checkmerge=checkmerge + fonts.helpers.checkflags=checkflags + fonts.helpers.checksteps=checksteps +end +function readers.expand(data) + if not data or data.expanded then + return + else + data.expanded=true + end + local resources=data.resources + local sublookups=resources.sublookups + local sequences=resources.sequences + local markclasses=resources.markclasses + local descriptions=data.descriptions + if descriptions then + local defaultwidth=resources.defaultwidth or 0 + local defaultheight=resources.defaultheight or 0 + local defaultdepth=resources.defaultdepth or 0 + local basename=trace_markwidth and file.basename(resources.filename) + for u,d in next,descriptions do + local bb=d.boundingbox + local wd=d.width + if not wd then + d.width=defaultwidth + elseif trace_markwidth and wd~=0 and d.class=="mark" then + report_markwidth("mark %a with width %b found in %a",d.name or "<noname>",wd,basename) + end + if bb then + local ht=bb[4] + local dp=-bb[2] + if ht==0 or ht<0 then + else + d.height=ht + end + if dp==0 or dp<0 then + else + d.depth=dp + end + end + end + end + local function expandlookups(sequences) + if sequences then + for i=1,#sequences do + local sequence=sequences[i] + local steps=sequence.steps + if steps then + local nofsteps=sequence.nofsteps + local kind=sequence.type + local markclass=sequence.markclass + if markclass then + if not markclasses then + report_warning("missing markclasses") + sequence.markclass=false + else + sequence.markclass=markclasses[markclass] + end + end + for i=1,nofsteps do + local step=steps[i] + local baseclasses=step.baseclasses + if baseclasses then + local coverage=step.coverage + for k,v in next,coverage do + v[1]=baseclasses[v[1]] + end + elseif kind=="gpos_cursive" then + local coverage=step.coverage + for k,v in next,coverage do + v[1]=coverage + end + end + local rules=step.rules + if rules then + local rulehash={ n=0 } + local rulesize=0 + local coverage={} + local lookuptype=sequence.type + local nofrules=#rules + step.coverage=coverage + for currentrule=1,nofrules do + local rule=rules[currentrule] + local current=rule.current + local before=rule.before + local after=rule.after + local replacements=rule.replacements or false + local sequence={} + local nofsequences=0 + if before then + for n=1,#before do + nofsequences=nofsequences+1 + sequence[nofsequences]=before[n] + end + end + local start=nofsequences+1 + for n=1,#current do + nofsequences=nofsequences+1 + sequence[nofsequences]=current[n] + end + local stop=nofsequences + if after then + for n=1,#after do + nofsequences=nofsequences+1 + sequence[nofsequences]=after[n] + end + end + local lookups=rule.lookups or false + local subtype=nil + if lookups then + for i=1,#lookups do + local lookups=lookups[i] + if lookups then + for k,v in next,lookups do + local lookup=sublookups[v] + if lookup then + lookups[k]=lookup + if not subtype then + subtype=lookup.type + end + else + end + end + end + end + end + if sequence[1] then + sequence.n=#sequence + local ruledata={ + currentrule, + lookuptype, + sequence, + start, + stop, + lookups, + replacements, + subtype, + } + rulesize=rulesize+1 + rulehash[rulesize]=ruledata + rulehash.n=rulesize + if true then + for unic in next,sequence[start] do + local cu=coverage[unic] + if cu then + local n=#cu+1 + cu[n]=ruledata + cu.n=n + else + coverage[unic]={ ruledata,n=1 } + end + end + else + for unic in next,sequence[start] do + local cu=coverage[unic] + if cu then + else + coverage[unic]=rulehash + end + end + end + end + end + end + end + checkmerge(sequence) + checkflags(sequence,resources) + checksteps(sequence) + end + end + end + end + expandlookups(sequences) + expandlookups(sublookups) +end + +end -- closure + +do -- begin closure to overcome local limits and interference + if not modules then modules={} end modules ['font-ota']={ version=1.001, comment="companion to font-ini.mkiv", @@ -29979,6 +29981,765 @@ end -- closure do -- begin closure to overcome local limits and interference +if not modules then modules={} end modules ['font-otc']={ + 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 insert,sortedkeys,sortedhash,tohash=table.insert,table.sortedkeys,table.sortedhash,table.tohash +local type,next,tonumber=type,next,tonumber +local lpegmatch=lpeg.match +local utfbyte,utflen=utf.byte,utf.len +local sortedhash=table.sortedhash +local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) +local report_otf=logs.reporter("fonts","otf loading") +local fonts=fonts +local otf=fonts.handlers.otf +local registerotffeature=otf.features.register +local setmetatableindex=table.setmetatableindex +local fonthelpers=fonts.helpers +local checkmerge=fonthelpers.checkmerge +local checkflags=fonthelpers.checkflags +local checksteps=fonthelpers.checksteps +local normalized={ + substitution="substitution", + single="substitution", + ligature="ligature", + alternate="alternate", + multiple="multiple", + kern="kern", + pair="pair", + single="single", + chainsubstitution="chainsubstitution", + chainposition="chainposition", +} +local types={ + substitution="gsub_single", + ligature="gsub_ligature", + alternate="gsub_alternate", + multiple="gsub_multiple", + kern="gpos_pair", + pair="gpos_pair", + single="gpos_single", + chainsubstitution="gsub_contextchain", + chainposition="gpos_contextchain", +} +local names={ + gsub_single="gsub", + gsub_multiple="gsub", + gsub_alternate="gsub", + gsub_ligature="gsub", + gsub_context="gsub", + gsub_contextchain="gsub", + gsub_reversecontextchain="gsub", + gpos_single="gpos", + gpos_pair="gpos", + gpos_cursive="gpos", + gpos_mark2base="gpos", + gpos_mark2ligature="gpos", + gpos_mark2mark="gpos", + gpos_context="gpos", + gpos_contextchain="gpos", +} +setmetatableindex(types,function(t,k) t[k]=k return k end) +local everywhere={ ["*"]={ ["*"]=true } } +local noflags={ false,false,false,false } +local function getrange(sequences,category) + local count=#sequences + local first=nil + local last=nil + for i=1,count do + local t=sequences[i].type + if t and names[t]==category then + if not first then + first=i + end + last=i + end + end + return first or 1,last or count +end +local function validspecification(specification,name) + local dataset=specification.dataset + if dataset then + elseif specification[1] then + dataset=specification + specification={ dataset=dataset } + else + dataset={ { data=specification.data } } + specification.data=nil + specification.dataset=dataset + end + local first=dataset[1] + if first then + first=first.data + end + if not first then + report_otf("invalid feature specification, no dataset") + return + end + if type(name)~="string" then + name=specification.name or first.name + end + if type(name)~="string" then + report_otf("invalid feature specification, no name") + return + end + local n=#dataset + if n>0 then + for i=1,n do + setmetatableindex(dataset[i],specification) + end + return specification,name + end +end +local function addfeature(data,feature,specifications) + if not specifications then + report_otf("missing specification") + return + end + local descriptions=data.descriptions + local resources=data.resources + local features=resources.features + local sequences=resources.sequences + if not features or not sequences then + report_otf("missing specification") + return + end + local alreadydone=resources.alreadydone + if not alreadydone then + alreadydone={} + resources.alreadydone=alreadydone + end + if alreadydone[specifications] then + return + else + alreadydone[specifications]=true + end + local fontfeatures=resources.features or everywhere + local unicodes=resources.unicodes + local splitter=lpeg.splitter(" ",unicodes) + local done=0 + local skip=0 + local aglunicodes=false + local privateslot=fonthelpers.privateslot + local specifications=validspecification(specifications,feature) + if not specifications then + return + end + local p=lpeg.P("P")*(lpeg.patterns.hexdigit^1/function(s) return tonumber(s,16) end)*lpeg.P(-1) + local function tounicode(code) + if not code then + return + end + if type(code)=="number" then + return code + end + local u=unicodes[code] + if u then + return u + end + if utflen(code)==1 then + u=utfbyte(code) + if u then + return u + end + end + if privateslot then + u=privateslot(code) + if u then + return u + end + end + local u=lpegmatch(p,code) + if u then + return u + end + if not aglunicodes then + aglunicodes=fonts.encodings.agl.unicodes + end + local u=aglunicodes[code] + if u then + return u + end + end + local coverup=otf.coverup + local coveractions=coverup.actions + local stepkey=coverup.stepkey + local register=coverup.register + local function prepare_substitution(list,featuretype,nocheck) + local coverage={} + local cover=coveractions[featuretype] + for code,replacement in next,list do + local unicode=tounicode(code) + local description=descriptions[unicode] + if not nocheck and not description then + skip=skip+1 + else + if type(replacement)=="table" then + replacement=replacement[1] + end + replacement=tounicode(replacement) + if replacement and (nocheck or descriptions[replacement]) then + cover(coverage,unicode,replacement) + done=done+1 + else + skip=skip+1 + end + end + end + return coverage + end + local function prepare_alternate(list,featuretype,nocheck) + local coverage={} + local cover=coveractions[featuretype] + for code,replacement in next,list do + local unicode=tounicode(code) + local description=descriptions[unicode] + if not nocheck and not description then + skip=skip+1 + elseif type(replacement)=="table" then + local r={} + for i=1,#replacement do + local u=tounicode(replacement[i]) + r[i]=(nocheck or descriptions[u]) and u or unicode + end + cover(coverage,unicode,r) + done=done+1 + else + local u=tounicode(replacement) + if u then + cover(coverage,unicode,{ u }) + done=done+1 + else + skip=skip+1 + end + end + end + return coverage + end + local function prepare_multiple(list,featuretype,nocheck) + local coverage={} + local cover=coveractions[featuretype] + for code,replacement in next,list do + local unicode=tounicode(code) + local description=descriptions[unicode] + if not nocheck and not description then + skip=skip+1 + elseif type(replacement)=="table" then + local r={} + local n=0 + for i=1,#replacement do + local u=tounicode(replacement[i]) + if nocheck or descriptions[u] then + n=n+1 + r[n]=u + end + end + if n>0 then + cover(coverage,unicode,r) + done=done+1 + else + skip=skip+1 + end + else + local u=tounicode(replacement) + if u then + cover(coverage,unicode,{ u }) + done=done+1 + else + skip=skip+1 + end + end + end + return coverage + end + local function prepare_ligature(list,featuretype,nocheck) + local coverage={} + local cover=coveractions[featuretype] + for code,ligature in next,list do + local unicode=tounicode(code) + local description=descriptions[unicode] + if not nocheck and not description then + skip=skip+1 + else + if type(ligature)=="string" then + ligature={ lpegmatch(splitter,ligature) } + end + local present=true + for i=1,#ligature do + local l=ligature[i] + local u=tounicode(l) + if nocheck or descriptions[u] then + ligature[i]=u + else + present=false + break + end + end + if present then + cover(coverage,unicode,ligature) + done=done+1 + else + skip=skip+1 + end + end + end + return coverage + end + local function resetspacekerns() + data.properties.hasspacekerns=true + data.resources .spacekerns=nil + end + local function prepare_kern(list,featuretype) + local coverage={} + local cover=coveractions[featuretype] + local isspace=false + for code,replacement in next,list do + local unicode=tounicode(code) + local description=descriptions[unicode] + if description and type(replacement)=="table" then + local r={} + for k,v in next,replacement do + local u=tounicode(k) + if u then + r[u]=v + if u==32 then + isspace=true + end + end + end + if next(r) then + cover(coverage,unicode,r) + done=done+1 + if unicode==32 then + isspace=true + end + else + skip=skip+1 + end + else + skip=skip+1 + end + end + if isspace then + resetspacekerns() + end + return coverage + end + local function prepare_pair(list,featuretype) + local coverage={} + local cover=coveractions[featuretype] + if cover then + for code,replacement in next,list do + local unicode=tounicode(code) + local description=descriptions[unicode] + if description and type(replacement)=="table" then + local r={} + for k,v in next,replacement do + local u=tounicode(k) + if u then + r[u]=v + if u==32 then + isspace=true + end + end + end + if next(r) then + cover(coverage,unicode,r) + done=done+1 + if unicode==32 then + isspace=true + end + else + skip=skip+1 + end + else + skip=skip+1 + end + end + if isspace then + resetspacekerns() + end + else + report_otf("unknown cover type %a",featuretype) + end + return coverage + end + local prepare_single=prepare_pair + local function prepare_chain(list,featuretype,sublookups) + local rules=list.rules + local coverage={} + if rules then + local rulehash={} + local rulesize=0 + local lookuptype=types[featuretype] + for nofrules=1,#rules do + local rule=rules[nofrules] + local current=rule.current + local before=rule.before + local after=rule.after + local replacements=rule.replacements or false + local sequence={} + local nofsequences=0 + if before then + for n=1,#before do + nofsequences=nofsequences+1 + sequence[nofsequences]=before[n] + end + end + local start=nofsequences+1 + for n=1,#current do + nofsequences=nofsequences+1 + sequence[nofsequences]=current[n] + end + local stop=nofsequences + if after then + for n=1,#after do + nofsequences=nofsequences+1 + sequence[nofsequences]=after[n] + end + end + local lookups=rule.lookups or false + local subtype=nil + if lookups and sublookups then + for k,v in sortedhash(lookups) do + local t=type(v) + if t=="table" then + for i=1,#v do + local vi=v[i] + if type(vi)~="table" then + v[i]={ vi } + end + end + elseif t=="number" then + local lookup=sublookups[v] + if lookup then + lookups[k]={ lookup } + if not subtype then + subtype=lookup.type + end + elseif v==0 then + lookups[k]={ { type="gsub_remove" } } + else + lookups[k]=false + end + else + lookups[k]=false + end + end + end + if nofsequences>0 then + local hashed={} + for i=1,nofsequences do + local t={} + local s=sequence[i] + for i=1,#s do + local u=tounicode(s[i]) + if u then + t[u]=true + end + end + hashed[i]=t + end + sequence=hashed + rulesize=rulesize+1 + rulehash[rulesize]={ + nofrules, + lookuptype, + sequence, + start, + stop, + lookups, + replacements, + subtype, + } + for unic in sortedhash(sequence[start]) do + local cu=coverage[unic] + if not cu then + coverage[unic]=rulehash + end + end + sequence.n=nofsequences + end + end + rulehash.n=rulesize + end + return coverage + end + local dataset=specifications.dataset + local function report(name,category,position,first,last,sequences) + report_otf("injecting name %a of category %a at position %i in [%i,%i] of [%i,%i]", + name,category,position,first,last,1,#sequences) + end + local function inject(specification,sequences,sequence,first,last,category,name) + local position=specification.position or false + if not position then + position=specification.prepend + if position==true then + if trace_loading then + report(name,category,first,first,last,sequences) + end + insert(sequences,first,sequence) + return + end + end + if not position then + position=specification.append + if position==true then + if trace_loading then + report(name,category,last+1,first,last,sequences) + end + insert(sequences,last+1,sequence) + return + end + end + local kind=type(position) + if kind=="string" then + local index=false + for i=first,last do + local s=sequences[i] + local f=s.features + if f then + for k in sortedhash(f) do + if k==position then + index=i + break + end + end + if index then + break + end + end + end + if index then + position=index + else + position=last+1 + end + elseif kind=="number" then + if position<0 then + position=last-position+1 + end + if position>last then + position=last+1 + elseif position<first then + position=first + end + else + position=last+1 + end + if trace_loading then + report(name,category,position,first,last,sequences) + end + insert(sequences,position,sequence) + end + for s=1,#dataset do + local specification=dataset[s] + local valid=specification.valid + local feature=specification.name or feature + if not feature or feature=="" then + report_otf("no valid name given for extra feature") + elseif not valid or valid(data,specification,feature) then + local initialize=specification.initialize + if initialize then + specification.initialize=initialize(specification,data) and initialize or nil + end + local askedfeatures=specification.features or everywhere + local askedsteps=specification.steps or specification.subtables or { specification.data } or {} + local featuretype=normalized[specification.type or "substitution"] or "substitution" + local featureflags=specification.flags or noflags + local nocheck=specification.nocheck + local featureorder=specification.order or { feature } + local featurechain=(featuretype=="chainsubstitution" or featuretype=="chainposition") and 1 or 0 + local nofsteps=0 + local steps={} + local sublookups=specification.lookups + local category=nil + checkflags(specification,resources) + if sublookups then + local s={} + for i=1,#sublookups do + local specification=sublookups[i] + local askedsteps=specification.steps or specification.subtables or { specification.data } or {} + local featuretype=normalized[specification.type or "substitution"] or "substitution" + local featureflags=specification.flags or noflags + local nofsteps=0 + local steps={} + for i=1,#askedsteps do + local list=askedsteps[i] + local coverage=nil + local format=nil + if featuretype=="substitution" then + coverage=prepare_substitution(list,featuretype,nocheck) + elseif featuretype=="ligature" then + coverage=prepare_ligature(list,featuretype,nocheck) + elseif featuretype=="alternate" then + coverage=prepare_alternate(list,featuretype,nocheck) + elseif featuretype=="multiple" then + coverage=prepare_multiple(list,featuretype,nocheck) + elseif featuretype=="kern" or featuretype=="move" then + format=featuretype + coverage=prepare_kern(list,featuretype) + elseif featuretype=="pair" then + format="pair" + coverage=prepare_pair(list,featuretype) + elseif featuretype=="single" then + format="single" + coverage=prepare_single(list,featuretype) + end + if coverage and next(coverage) then + nofsteps=nofsteps+1 + steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) + end + end + checkmerge(specification) + checksteps(specification) + s[i]={ + [stepkey]=steps, + nofsteps=nofsteps, + flags=featureflags, + type=types[featuretype], + } + end + sublookups=s + end + for i=1,#askedsteps do + local list=askedsteps[i] + local coverage=nil + local format=nil + if featuretype=="substitution" then + category="gsub" + coverage=prepare_substitution(list,featuretype,nocheck) + elseif featuretype=="ligature" then + category="gsub" + coverage=prepare_ligature(list,featuretype,nocheck) + elseif featuretype=="alternate" then + category="gsub" + coverage=prepare_alternate(list,featuretype,nocheck) + elseif featuretype=="multiple" then + category="gsub" + coverage=prepare_multiple(list,featuretype,nocheck) + elseif featuretype=="kern" or featuretype=="move" then + category="gpos" + format=featuretype + coverage=prepare_kern(list,featuretype) + elseif featuretype=="pair" then + category="gpos" + format="pair" + coverage=prepare_pair(list,featuretype) + elseif featuretype=="single" then + category="gpos" + format="single" + coverage=prepare_single(list,featuretype) + elseif featuretype=="chainsubstitution" then + category="gsub" + coverage=prepare_chain(list,featuretype,sublookups) + elseif featuretype=="chainposition" then + category="gpos" + coverage=prepare_chain(list,featuretype,sublookups) + else + report_otf("not registering feature %a, unknown category",feature) + return + end + if coverage and next(coverage) then + nofsteps=nofsteps+1 + steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) + end + end + if nofsteps>0 then + for k,v in next,askedfeatures do + if v[1] then + askedfeatures[k]=tohash(v) + end + end + if featureflags[1] then featureflags[1]="mark" end + if featureflags[2] then featureflags[2]="ligature" end + if featureflags[3] then featureflags[3]="base" end + local steptype=types[featuretype] + local sequence={ + chain=featurechain, + features={ [feature]=askedfeatures }, + flags=featureflags, + name=feature, + order=featureorder, + [stepkey]=steps, + nofsteps=nofsteps, + type=steptype, + } + checkflags(sequence,resources) + checkmerge(sequence) + checksteps(sequence) + local first,last=getrange(sequences,category) + inject(specification,sequences,sequence,first,last,category,feature) + local features=fontfeatures[category] + if not features then + features={} + fontfeatures[category]=features + end + local k=features[feature] + if not k then + k={} + features[feature]=k + end + for script,languages in next,askedfeatures do + local kk=k[script] + if not kk then + kk={} + k[script]=kk + end + for language,value in next,languages do + kk[language]=value + end + end + end + end + end + if trace_loading then + report_otf("registering feature %a, affected glyphs %a, skipped glyphs %a",feature,done,skip) + end +end +otf.enhancers.addfeature=addfeature +local extrafeatures={} +local knownfeatures={} +function otf.addfeature(name,specification) + if type(name)=="table" then + specification=name + end + if type(specification)~="table" then + report_otf("invalid feature specification, no valid table") + return + end + specification,name=validspecification(specification,name) + if name and specification then + local slot=knownfeatures[name] + if not slot then + slot=#extrafeatures+1 + knownfeatures[name]=slot + elseif specification.overload==false then + slot=#extrafeatures+1 + knownfeatures[name]=slot + else + end + specification.name=name + extrafeatures[slot]=specification + end +end +local function enhance(data,filename,raw) + for slot=1,#extrafeatures do + local specification=extrafeatures[slot] + addfeature(data,specification.name,specification) + end +end +otf.enhancers.enhance=enhance +otf.enhancers.register("check extra features",enhance) + +end -- closure + +do -- begin closure to overcome local limits and interference + if not modules then modules={} end modules ['font-osd']={ version=1.001, comment="companion to font-ini.mkiv", @@ -32416,9 +33177,6 @@ if not modules then modules={} end modules ['font-ocl']={ copyright="PRAGMA ADE / ConTeXt Development Team", license="see context related readme files" } -if CONTEXTLMTXMODE and CONTEXTLMTXMODE>0 then - return -end local tostring,tonumber,next=tostring,tonumber,next local round,max=math.round,math.round local gsub,find=string.gsub,string.find @@ -32486,7 +33244,7 @@ local function convert(t,k) t[k]=v return v end -local start={ "pdf","mode","font" } +local mode={ "pdf","mode","font" } local push={ "pdf","page","q" } local pop={ "pdf","page","Q" } local function initializeoverlay(tfmdata,kind,value) @@ -32531,10 +33289,11 @@ local function initializeoverlay(tfmdata,kind,value) local s=#colorlist local goback=w~=0 and leftcommand[w] or nil local t={ + mode, not u and actualb or { "pdf","page",(getactualtext(tounicode(u))) }, push, } - local n=2 + local n=3 local l=nil for i=1,s do local entry=colorlist[i] @@ -32654,20 +33413,15 @@ do local loaddata=io.loaddata local savedata=io.savedata local remove=os.remove - if context and xml.convert then - local xmlconvert=xml.convert - local xmlfirst=xml.first - function otfsvg.filterglyph(entry,index) - local svg=xmlconvert(entry.data) - local root=svg and xmlfirst(svg,"/svg[@id='glyph"..index.."']") - local data=root and tostring(root) - return data - end - else +if context then + +--removed + +else function otfsvg.filterglyph(entry,index) return entry.data end - end +end local runner=sandbox and sandbox.registerrunner { name="otfsvg", program="inkscape", @@ -32680,6 +33434,14 @@ do return io.popen("inkscape --export-area-drawing --shell > temp-otf-svg-shape.log","w") end end + local new=nil + local function inkscapeformat(suffix) + if new==nil then + new=os.resultof("inkscape --version") or "" + new=new=="" or not find(new,"Inkscape%s*0") + end + return new and "filename" or suffix + end function otfsvg.topdf(svgshapes,tfmdata) local pdfshapes={} local inkscape=runner() @@ -32688,7 +33450,7 @@ do local nofshapes=#svgshapes local f_svgfile=formatters["temp-otf-svg-shape-%i.svg"] local f_pdffile=formatters["temp-otf-svg-shape-%i.pdf"] - local f_convert=formatters["%s --export-pdf=%s\n"] + local f_convert=formatters["%s --export-%s=%s\n"] local filterglyph=otfsvg.filterglyph local nofdone=0 local processed={} @@ -32702,7 +33464,7 @@ do local svgfile=f_svgfile(index) local pdffile=f_pdffile(index) savedata(svgfile,data) - inkscape:write(f_convert(svgfile,pdffile)) + inkscape:write(f_convert(svgfile,inkscapeformat("pdf"),pdffile)) processed[index]=true nofdone=nofdone+1 if nofdone%25==0 then @@ -32891,765 +33653,6 @@ end -- closure do -- begin closure to overcome local limits and interference -if not modules then modules={} end modules ['font-otc']={ - 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 insert,sortedkeys,sortedhash,tohash=table.insert,table.sortedkeys,table.sortedhash,table.tohash -local type,next,tonumber=type,next,tonumber -local lpegmatch=lpeg.match -local utfbyte,utflen=utf.byte,utf.len -local sortedhash=table.sortedhash -local trace_loading=false trackers.register("otf.loading",function(v) trace_loading=v end) -local report_otf=logs.reporter("fonts","otf loading") -local fonts=fonts -local otf=fonts.handlers.otf -local registerotffeature=otf.features.register -local setmetatableindex=table.setmetatableindex -local fonthelpers=fonts.helpers -local checkmerge=fonthelpers.checkmerge -local checkflags=fonthelpers.checkflags -local checksteps=fonthelpers.checksteps -local normalized={ - substitution="substitution", - single="substitution", - ligature="ligature", - alternate="alternate", - multiple="multiple", - kern="kern", - pair="pair", - single="single", - chainsubstitution="chainsubstitution", - chainposition="chainposition", -} -local types={ - substitution="gsub_single", - ligature="gsub_ligature", - alternate="gsub_alternate", - multiple="gsub_multiple", - kern="gpos_pair", - pair="gpos_pair", - single="gpos_single", - chainsubstitution="gsub_contextchain", - chainposition="gpos_contextchain", -} -local names={ - gsub_single="gsub", - gsub_multiple="gsub", - gsub_alternate="gsub", - gsub_ligature="gsub", - gsub_context="gsub", - gsub_contextchain="gsub", - gsub_reversecontextchain="gsub", - gpos_single="gpos", - gpos_pair="gpos", - gpos_cursive="gpos", - gpos_mark2base="gpos", - gpos_mark2ligature="gpos", - gpos_mark2mark="gpos", - gpos_context="gpos", - gpos_contextchain="gpos", -} -setmetatableindex(types,function(t,k) t[k]=k return k end) -local everywhere={ ["*"]={ ["*"]=true } } -local noflags={ false,false,false,false } -local function getrange(sequences,category) - local count=#sequences - local first=nil - local last=nil - for i=1,count do - local t=sequences[i].type - if t and names[t]==category then - if not first then - first=i - end - last=i - end - end - return first or 1,last or count -end -local function validspecification(specification,name) - local dataset=specification.dataset - if dataset then - elseif specification[1] then - dataset=specification - specification={ dataset=dataset } - else - dataset={ { data=specification.data } } - specification.data=nil - specification.dataset=dataset - end - local first=dataset[1] - if first then - first=first.data - end - if not first then - report_otf("invalid feature specification, no dataset") - return - end - if type(name)~="string" then - name=specification.name or first.name - end - if type(name)~="string" then - report_otf("invalid feature specification, no name") - return - end - local n=#dataset - if n>0 then - for i=1,n do - setmetatableindex(dataset[i],specification) - end - return specification,name - end -end -local function addfeature(data,feature,specifications) - if not specifications then - report_otf("missing specification") - return - end - local descriptions=data.descriptions - local resources=data.resources - local features=resources.features - local sequences=resources.sequences - if not features or not sequences then - report_otf("missing specification") - return - end - local alreadydone=resources.alreadydone - if not alreadydone then - alreadydone={} - resources.alreadydone=alreadydone - end - if alreadydone[specifications] then - return - else - alreadydone[specifications]=true - end - local fontfeatures=resources.features or everywhere - local unicodes=resources.unicodes - local splitter=lpeg.splitter(" ",unicodes) - local done=0 - local skip=0 - local aglunicodes=false - local privateslot=fonthelpers.privateslot - local specifications=validspecification(specifications,feature) - if not specifications then - return - end - local p=lpeg.P("P")*(lpeg.patterns.hexdigit^1/function(s) return tonumber(s,16) end)*lpeg.P(-1) - local function tounicode(code) - if not code then - return - end - if type(code)=="number" then - return code - end - local u=unicodes[code] - if u then - return u - end - if utflen(code)==1 then - u=utfbyte(code) - if u then - return u - end - end - if privateslot then - u=privateslot(code) - if u then - return u - end - end - local u=lpegmatch(p,code) - if u then - return u - end - if not aglunicodes then - aglunicodes=fonts.encodings.agl.unicodes - end - local u=aglunicodes[code] - if u then - return u - end - end - local coverup=otf.coverup - local coveractions=coverup.actions - local stepkey=coverup.stepkey - local register=coverup.register - local function prepare_substitution(list,featuretype,nocheck) - local coverage={} - local cover=coveractions[featuretype] - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if not nocheck and not description then - skip=skip+1 - else - if type(replacement)=="table" then - replacement=replacement[1] - end - replacement=tounicode(replacement) - if replacement and (nocheck or descriptions[replacement]) then - cover(coverage,unicode,replacement) - done=done+1 - else - skip=skip+1 - end - end - end - return coverage - end - local function prepare_alternate(list,featuretype,nocheck) - local coverage={} - local cover=coveractions[featuretype] - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if not nocheck and not description then - skip=skip+1 - elseif type(replacement)=="table" then - local r={} - for i=1,#replacement do - local u=tounicode(replacement[i]) - r[i]=(nocheck or descriptions[u]) and u or unicode - end - cover(coverage,unicode,r) - done=done+1 - else - local u=tounicode(replacement) - if u then - cover(coverage,unicode,{ u }) - done=done+1 - else - skip=skip+1 - end - end - end - return coverage - end - local function prepare_multiple(list,featuretype,nocheck) - local coverage={} - local cover=coveractions[featuretype] - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if not nocheck and not description then - skip=skip+1 - elseif type(replacement)=="table" then - local r={} - local n=0 - for i=1,#replacement do - local u=tounicode(replacement[i]) - if nocheck or descriptions[u] then - n=n+1 - r[n]=u - end - end - if n>0 then - cover(coverage,unicode,r) - done=done+1 - else - skip=skip+1 - end - else - local u=tounicode(replacement) - if u then - cover(coverage,unicode,{ u }) - done=done+1 - else - skip=skip+1 - end - end - end - return coverage - end - local function prepare_ligature(list,featuretype,nocheck) - local coverage={} - local cover=coveractions[featuretype] - for code,ligature in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if not nocheck and not description then - skip=skip+1 - else - if type(ligature)=="string" then - ligature={ lpegmatch(splitter,ligature) } - end - local present=true - for i=1,#ligature do - local l=ligature[i] - local u=tounicode(l) - if nocheck or descriptions[u] then - ligature[i]=u - else - present=false - break - end - end - if present then - cover(coverage,unicode,ligature) - done=done+1 - else - skip=skip+1 - end - end - end - return coverage - end - local function resetspacekerns() - data.properties.hasspacekerns=true - data.resources .spacekerns=nil - end - local function prepare_kern(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - local isspace=false - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if description and type(replacement)=="table" then - local r={} - for k,v in next,replacement do - local u=tounicode(k) - if u then - r[u]=v - if u==32 then - isspace=true - end - end - end - if next(r) then - cover(coverage,unicode,r) - done=done+1 - if unicode==32 then - isspace=true - end - else - skip=skip+1 - end - else - skip=skip+1 - end - end - if isspace then - resetspacekerns() - end - return coverage - end - local function prepare_pair(list,featuretype) - local coverage={} - local cover=coveractions[featuretype] - if cover then - for code,replacement in next,list do - local unicode=tounicode(code) - local description=descriptions[unicode] - if description and type(replacement)=="table" then - local r={} - for k,v in next,replacement do - local u=tounicode(k) - if u then - r[u]=v - if u==32 then - isspace=true - end - end - end - if next(r) then - cover(coverage,unicode,r) - done=done+1 - if unicode==32 then - isspace=true - end - else - skip=skip+1 - end - else - skip=skip+1 - end - end - if isspace then - resetspacekerns() - end - else - report_otf("unknown cover type %a",featuretype) - end - return coverage - end - local prepare_single=prepare_pair - local function prepare_chain(list,featuretype,sublookups) - local rules=list.rules - local coverage={} - if rules then - local rulehash={} - local rulesize=0 - local lookuptype=types[featuretype] - for nofrules=1,#rules do - local rule=rules[nofrules] - local current=rule.current - local before=rule.before - local after=rule.after - local replacements=rule.replacements or false - local sequence={} - local nofsequences=0 - if before then - for n=1,#before do - nofsequences=nofsequences+1 - sequence[nofsequences]=before[n] - end - end - local start=nofsequences+1 - for n=1,#current do - nofsequences=nofsequences+1 - sequence[nofsequences]=current[n] - end - local stop=nofsequences - if after then - for n=1,#after do - nofsequences=nofsequences+1 - sequence[nofsequences]=after[n] - end - end - local lookups=rule.lookups or false - local subtype=nil - if lookups and sublookups then - for k,v in sortedhash(lookups) do - local t=type(v) - if t=="table" then - for i=1,#v do - local vi=v[i] - if type(vi)~="table" then - v[i]={ vi } - end - end - elseif t=="number" then - local lookup=sublookups[v] - if lookup then - lookups[k]={ lookup } - if not subtype then - subtype=lookup.type - end - elseif v==0 then - lookups[k]={ { type="gsub_remove" } } - else - lookups[k]=false - end - else - lookups[k]=false - end - end - end - if nofsequences>0 then - local hashed={} - for i=1,nofsequences do - local t={} - local s=sequence[i] - for i=1,#s do - local u=tounicode(s[i]) - if u then - t[u]=true - end - end - hashed[i]=t - end - sequence=hashed - rulesize=rulesize+1 - rulehash[rulesize]={ - nofrules, - lookuptype, - sequence, - start, - stop, - lookups, - replacements, - subtype, - } - for unic in sortedhash(sequence[start]) do - local cu=coverage[unic] - if not cu then - coverage[unic]=rulehash - end - end - sequence.n=nofsequences - end - end - rulehash.n=rulesize - end - return coverage - end - local dataset=specifications.dataset - local function report(name,category,position,first,last,sequences) - report_otf("injecting name %a of category %a at position %i in [%i,%i] of [%i,%i]", - name,category,position,first,last,1,#sequences) - end - local function inject(specification,sequences,sequence,first,last,category,name) - local position=specification.position or false - if not position then - position=specification.prepend - if position==true then - if trace_loading then - report(name,category,first,first,last,sequences) - end - insert(sequences,first,sequence) - return - end - end - if not position then - position=specification.append - if position==true then - if trace_loading then - report(name,category,last+1,first,last,sequences) - end - insert(sequences,last+1,sequence) - return - end - end - local kind=type(position) - if kind=="string" then - local index=false - for i=first,last do - local s=sequences[i] - local f=s.features - if f then - for k in sortedhash(f) do - if k==position then - index=i - break - end - end - if index then - break - end - end - end - if index then - position=index - else - position=last+1 - end - elseif kind=="number" then - if position<0 then - position=last-position+1 - end - if position>last then - position=last+1 - elseif position<first then - position=first - end - else - position=last+1 - end - if trace_loading then - report(name,category,position,first,last,sequences) - end - insert(sequences,position,sequence) - end - for s=1,#dataset do - local specification=dataset[s] - local valid=specification.valid - local feature=specification.name or feature - if not feature or feature=="" then - report_otf("no valid name given for extra feature") - elseif not valid or valid(data,specification,feature) then - local initialize=specification.initialize - if initialize then - specification.initialize=initialize(specification,data) and initialize or nil - end - local askedfeatures=specification.features or everywhere - local askedsteps=specification.steps or specification.subtables or { specification.data } or {} - local featuretype=normalized[specification.type or "substitution"] or "substitution" - local featureflags=specification.flags or noflags - local nocheck=specification.nocheck - local featureorder=specification.order or { feature } - local featurechain=(featuretype=="chainsubstitution" or featuretype=="chainposition") and 1 or 0 - local nofsteps=0 - local steps={} - local sublookups=specification.lookups - local category=nil - checkflags(specification,resources) - if sublookups then - local s={} - for i=1,#sublookups do - local specification=sublookups[i] - local askedsteps=specification.steps or specification.subtables or { specification.data } or {} - local featuretype=normalized[specification.type or "substitution"] or "substitution" - local featureflags=specification.flags or noflags - local nofsteps=0 - local steps={} - for i=1,#askedsteps do - local list=askedsteps[i] - local coverage=nil - local format=nil - if featuretype=="substitution" then - coverage=prepare_substitution(list,featuretype,nocheck) - elseif featuretype=="ligature" then - coverage=prepare_ligature(list,featuretype,nocheck) - elseif featuretype=="alternate" then - coverage=prepare_alternate(list,featuretype,nocheck) - elseif featuretype=="multiple" then - coverage=prepare_multiple(list,featuretype,nocheck) - elseif featuretype=="kern" or featuretype=="move" then - format=featuretype - coverage=prepare_kern(list,featuretype) - elseif featuretype=="pair" then - format="pair" - coverage=prepare_pair(list,featuretype) - elseif featuretype=="single" then - format="single" - coverage=prepare_single(list,featuretype) - end - if coverage and next(coverage) then - nofsteps=nofsteps+1 - steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) - end - end - checkmerge(specification) - checksteps(specification) - s[i]={ - [stepkey]=steps, - nofsteps=nofsteps, - flags=featureflags, - type=types[featuretype], - } - end - sublookups=s - end - for i=1,#askedsteps do - local list=askedsteps[i] - local coverage=nil - local format=nil - if featuretype=="substitution" then - category="gsub" - coverage=prepare_substitution(list,featuretype,nocheck) - elseif featuretype=="ligature" then - category="gsub" - coverage=prepare_ligature(list,featuretype,nocheck) - elseif featuretype=="alternate" then - category="gsub" - coverage=prepare_alternate(list,featuretype,nocheck) - elseif featuretype=="multiple" then - category="gsub" - coverage=prepare_multiple(list,featuretype,nocheck) - elseif featuretype=="kern" or featuretype=="move" then - category="gpos" - format=featuretype - coverage=prepare_kern(list,featuretype) - elseif featuretype=="pair" then - category="gpos" - format="pair" - coverage=prepare_pair(list,featuretype) - elseif featuretype=="single" then - category="gpos" - format="single" - coverage=prepare_single(list,featuretype) - elseif featuretype=="chainsubstitution" then - category="gsub" - coverage=prepare_chain(list,featuretype,sublookups) - elseif featuretype=="chainposition" then - category="gpos" - coverage=prepare_chain(list,featuretype,sublookups) - else - report_otf("not registering feature %a, unknown category",feature) - return - end - if coverage and next(coverage) then - nofsteps=nofsteps+1 - steps[nofsteps]=register(coverage,featuretype,format,feature,nofsteps,descriptions,resources) - end - end - if nofsteps>0 then - for k,v in next,askedfeatures do - if v[1] then - askedfeatures[k]=tohash(v) - end - end - if featureflags[1] then featureflags[1]="mark" end - if featureflags[2] then featureflags[2]="ligature" end - if featureflags[3] then featureflags[3]="base" end - local steptype=types[featuretype] - local sequence={ - chain=featurechain, - features={ [feature]=askedfeatures }, - flags=featureflags, - name=feature, - order=featureorder, - [stepkey]=steps, - nofsteps=nofsteps, - type=steptype, - } - checkflags(sequence,resources) - checkmerge(sequence) - checksteps(sequence) - local first,last=getrange(sequences,category) - inject(specification,sequences,sequence,first,last,category,feature) - local features=fontfeatures[category] - if not features then - features={} - fontfeatures[category]=features - end - local k=features[feature] - if not k then - k={} - features[feature]=k - end - for script,languages in next,askedfeatures do - local kk=k[script] - if not kk then - kk={} - k[script]=kk - end - for language,value in next,languages do - kk[language]=value - end - end - end - end - end - if trace_loading then - report_otf("registering feature %a, affected glyphs %a, skipped glyphs %a",feature,done,skip) - end -end -otf.enhancers.addfeature=addfeature -local extrafeatures={} -local knownfeatures={} -function otf.addfeature(name,specification) - if type(name)=="table" then - specification=name - end - if type(specification)~="table" then - report_otf("invalid feature specification, no valid table") - return - end - specification,name=validspecification(specification,name) - if name and specification then - local slot=knownfeatures[name] - if not slot then - slot=#extrafeatures+1 - knownfeatures[name]=slot - elseif specification.overload==false then - slot=#extrafeatures+1 - knownfeatures[name]=slot - else - end - specification.name=name - extrafeatures[slot]=specification - end -end -local function enhance(data,filename,raw) - for slot=1,#extrafeatures do - local specification=extrafeatures[slot] - addfeature(data,specification.name,specification) - end -end -otf.enhancers.enhance=enhance -otf.enhancers.register("check extra features",enhance) - -end -- closure - -do -- begin closure to overcome local limits and interference - if not modules then modules={} end modules ['font-onr']={ version=1.001, comment="companion to font-ini.mkiv", @@ -35828,6 +35831,373 @@ end -- closure do -- begin closure to overcome local limits and interference +if not modules then modules={} end modules ['font-shp']={ + 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 tonumber,next=tonumber,next +local concat=table.concat +local formatters=string.formatters +local otf=fonts.handlers.otf +local afm=fonts.handlers.afm +local pfb=fonts.handlers.pfb +local hashes=fonts.hashes +local identifiers=hashes.identifiers +local version=0.009 +local shapescache=containers.define("fonts","shapes",version,true) +local streamscache=containers.define("fonts","streams",version,true) +local compact_streams=false +directives.register("fonts.streams.compact",function(v) compact_streams=v end) +local function packoutlines(data,makesequence) + local subfonts=data.subfonts + if subfonts then + for i=1,#subfonts do + packoutlines(subfonts[i],makesequence) + end + return + end + local common=data.segments + if common then + return + end + local glyphs=data.glyphs + if not glyphs then + return + end + if makesequence then + for index=0,#glyphs do + local glyph=glyphs[index] + if glyph then + local segments=glyph.segments + if segments then + local sequence={} + local nofsequence=0 + for i=1,#segments do + local segment=segments[i] + local nofsegment=#segment + nofsequence=nofsequence+1 + sequence[nofsequence]=segment[nofsegment] + for i=1,nofsegment-1 do + nofsequence=nofsequence+1 + sequence[nofsequence]=segment[i] + end + end + glyph.sequence=sequence + glyph.segments=nil + end + end + end + else + local hash={} + local common={} + local reverse={} + local last=0 + for index=0,#glyphs do + local glyph=glyphs[index] + if glyph then + local segments=glyph.segments + if segments then + for i=1,#segments do + local h=concat(segments[i]," ") + hash[h]=(hash[h] or 0)+1 + end + end + end + end + for index=0,#glyphs do + local glyph=glyphs[index] + if glyph then + local segments=glyph.segments + if segments then + for i=1,#segments do + local segment=segments[i] + local h=concat(segment," ") + if hash[h]>1 then + local idx=reverse[h] + if not idx then + last=last+1 + reverse[h]=last + common[last]=segment + idx=last + end + segments[i]=idx + end + end + end + end + end + if last>0 then + data.segments=common + end + end +end +local function unpackoutlines(data) + local subfonts=data.subfonts + if subfonts then + for i=1,#subfonts do + unpackoutlines(subfonts[i]) + end + return + end + local common=data.segments + if not common then + return + end + local glyphs=data.glyphs + if not glyphs then + return + end + for index=0,#glyphs do + local glyph=glyphs[index] + if glyph then + local segments=glyph.segments + if segments then + for i=1,#segments do + local c=common[segments[i]] + if c then + segments[i]=c + end + end + end + end + end + data.segments=nil +end +local readers=otf.readers +local cleanname=otf.readers.helpers.cleanname +local function makehash(filename,sub,instance) + local name=cleanname(file.basename(filename)) + if instance then + return formatters["%s-%s-%s"](name,sub or 0,cleanname(instance)) + else + return formatters["%s-%s"] (name,sub or 0) + end +end +local function loadoutlines(cache,filename,sub,instance) + local base=file.basename(filename) + local name=file.removesuffix(base) + local kind=file.suffix(filename) + local attr=lfs.attributes(filename) + local size=attr and attr.size or 0 + local time=attr and attr.modification or 0 + local sub=tonumber(sub) + if size>0 and (kind=="otf" or kind=="ttf" or kind=="tcc") then + local hash=makehash(filename,sub,instance) + data=containers.read(cache,hash) + if not data or data.time~=time or data.size~=size then + data=otf.readers.loadshapes(filename,sub,instance) + if data then + data.size=size + data.format=data.format or (kind=="otf" and "opentype") or "truetype" + data.time=time + packoutlines(data) + containers.write(cache,hash,data) + data=containers.read(cache,hash) + end + end + unpackoutlines(data) + elseif size>0 and (kind=="pfb") then + local hash=containers.cleanname(base) + data=containers.read(cache,hash) + if not data or data.time~=time or data.size~=size then + data=afm.readers.loadshapes(filename) + if data then + data.size=size + data.format="type1" + data.time=time + packoutlines(data) + containers.write(cache,hash,data) + data=containers.read(cache,hash) + end + end + unpackoutlines(data) + else + data={ + filename=filename, + size=0, + time=time, + format="unknown", + units=1000, + glyphs={} + } + end + return data +end +local function cachethem(cache,hash,data) + containers.write(cache,hash,data,compact_streams) + return containers.read(cache,hash) +end +local function loadstreams(cache,filename,sub,instance) + local base=file.basename(filename) + local name=file.removesuffix(base) + local kind=file.suffix(filename) + local attr=lfs.attributes(filename) + local size=attr and attr.size or 0 + local time=attr and attr.modification or 0 + local sub=tonumber(sub) + if size>0 and (kind=="otf" or kind=="ttf" or kind=="ttc") then + local hash=makehash(filename,sub,instance) + data=containers.read(cache,hash) + if not data or data.time~=time or data.size~=size then + data=otf.readers.loadshapes(filename,sub,instance,true) + if data then + local glyphs=data.glyphs + local streams={} + if glyphs then + for i=0,#glyphs do + local glyph=glyphs[i] + if glyph then + streams[i]=glyph.stream or "" + else + streams[i]="" + end + end + end + data.streams=streams + data.glyphs=nil + data.size=size + data.format=data.format or (kind=="otf" and "opentype") or "truetype" + data.time=time + data=cachethem(cache,hash,data) + end + end + elseif size>0 and (kind=="pfb") then + local hash=makehash(filename,sub,instance) + data=containers.read(cache,hash) + if not data or data.time~=time or data.size~=size then + local names,encoding,streams,metadata=pfb.loadvector(filename,false,true) + if streams then + local fontbbox=metadata.fontbbox or { 0,0,0,0 } + for i=0,#streams do + streams[i]=streams[i].stream or "\14" + end + data={ + filename=filename, + size=size, + time=time, + format="type1", + streams=streams, + fontheader={ + fontversion=metadata.version, + units=1000, + xmin=fontbbox[1], + ymin=fontbbox[2], + xmax=fontbbox[3], + ymax=fontbbox[4], + }, + horizontalheader={ + ascender=0, + descender=0, + }, + maximumprofile={ + nofglyphs=#streams+1, + }, + names={ + copyright=metadata.copyright, + family=metadata.familyname, + fullname=metadata.fullname, + fontname=metadata.fontname, + subfamily=metadata.subfamilyname, + trademark=metadata.trademark, + notice=metadata.notice, + version=metadata.version, + }, + cffinfo={ + familyname=metadata.familyname, + fullname=metadata.fullname, + italicangle=metadata.italicangle, + monospaced=metadata.isfixedpitch and true or false, + underlineposition=metadata.underlineposition, + underlinethickness=metadata.underlinethickness, + weight=metadata.weight, + }, + } + data=cachethem(cache,hash,data) + end + end + else + data={ + filename=filename, + size=0, + time=time, + format="unknown", + streams={} + } + end + return data +end +local loadedshapes={} +local loadedstreams={} +local function loadoutlinedata(fontdata,streams) + local properties=fontdata.properties + local filename=properties.filename + local subindex=fontdata.subindex + local instance=properties.instance + local hash=makehash(filename,subindex,instance) + local loaded=loadedshapes[hash] + if not loaded then + loaded=loadoutlines(shapescache,filename,subindex,instance) + loadedshapes[hash]=loaded + end + return loaded +end +hashes.shapes=table.setmetatableindex(function(t,k) + local f=identifiers[k] + if f then + return loadoutlinedata(f) + end +end) +local function getstreamhash(fontid) + local fontdata=identifiers[fontid] + if fontdata then + local properties=fontdata.properties + return makehash(properties.filename,properties.subfont,properties.instance) + end +end +local function loadstreamdata(fontdata) + local properties=fontdata.properties + local shared=fontdata.shared + local rawdata=shared and shared.rawdata + local metadata=rawdata and rawdata.metadata + local filename=properties.filename + local subindex=metadata and metadata.subfontindex + local instance=properties.instance + local hash=makehash(filename,subindex,instance) + local loaded=loadedstreams[hash] + if not loaded then + loaded=loadstreams(streamscache,filename,subindex,instance) + loadedstreams[hash]=loaded + end + return loaded +end +hashes.streams=table.setmetatableindex(function(t,k) + local f=identifiers[k] + if f then + return loadstreamdata(f) + end +end) +otf.loadoutlinedata=loadoutlinedata +otf.loadstreamdata=loadstreamdata +otf.loadshapes=loadshapes +otf.getstreamhash=getstreamhash +local streams=fonts.hashes.streams +callback.register("glyph_stream_provider",function(id,index,mode) + if id>0 then + local streams=streams[id].streams + if streams then + return streams[index] or "" + end + end + return "" +end) + +end -- closure + +do -- begin closure to overcome local limits and interference + if not modules then modules={} end modules ['luatex-fonts-def']={ version=1.001, comment="companion to luatex-*.tex", @@ -36374,41 +36744,6 @@ if context then --removed end -if context then - local letter=characters.is_letter - local always=true - local function collapseitalics(tfmdata,key,value) - local threshold=value==true and 100 or tonumber(value) - if threshold and threshold>0 then - if threshold>100 then - threshold=100 - end - for unicode,data in next,tfmdata.characters do - if always or letter[unicode] or letter[data.unicode] then - local italic=data.italic - if italic and italic~=0 then - local width=data.width - if width and width~=0 then - local delta=threshold*italic/100 - data.width=width+delta - data.italic=italic-delta - end - end - end - end - end - end - local dimensions_specification={ - name="collapseitalics", - description="collapse italics", - manipulators={ - base=collapseitalics, - node=collapseitalics, - } - } - registerotffeature(dimensions_specification) - registerafmfeature(dimensions_specification) -end end -- closure |