diff options
Diffstat (limited to 'tex/context/base/font-ctx.lua')
| -rw-r--r-- | tex/context/base/font-ctx.lua | 33 |
1 files changed, 26 insertions, 7 deletions
diff --git a/tex/context/base/font-ctx.lua b/tex/context/base/font-ctx.lua index 7d7b1253b..1bc3f3db9 100644 --- a/tex/context/base/font-ctx.lua +++ b/tex/context/base/font-ctx.lua @@ -48,6 +48,8 @@ local texattribute = tex.attribute local otffeatures = fonts.constructors.newfeatures("otf") local registerotffeature = otffeatures.register +local baseprocessors = otffeatures.processors.base +local baseinitializers = otffeatures.initializers.base specifiers.contextsetups = specifiers.contextsetups or { } specifiers.contextnumbers = specifiers.contextnumbers or { } @@ -137,32 +139,49 @@ setmetatableindex(xheightdata, function(t,k) end) -- this cannot be a feature initializer as there is no auto namespace --- so we never enter the loop then +-- so we never enter the loop then; we can store the defaults in the tma +-- file (features.gpos.mkmk = 1 etc) + +local needsnodemode = { + gpos_mark2mark = true, + gpos_mark2base = true, + gpos_mark2ligature = true, +} local function modechecker(tfmdata,features,mode) -- we cannot adapt features as they are shared! if mode == "auto" then - local script = features.script - local language = features.language local rawdata = tfmdata.shared.rawdata - local sequences = rawdata and rawdata.resources.sequences - if script and language and sequences and #sequences > 0 then + local resources = rawdata and rawdata.resources + local sequences = resources.sequences + if sequences and #sequences > 0 then + local script = features.script or "dflt" + local language = features.language or "dflt" for feature, value in next, features do if value then local found = false for i=1,#sequences do - local features = sequences[i].features + local sequence = sequences[i] + local features = sequence.features if features then local scripts = features[feature] if scripts then local languages = scripts[script] if languages and languages[language] then if found then + -- more than one lookup + if trace_automode then + report_defining("forcing node mode in font %s for feature %s, script %s, language %s (multiple lookups)",file.basename(tfmdata.properties.name),feature,script,language) + end features.mode = "node" + return "node" + elseif needsnodemode[sequence.type] then if trace_automode then - report_defining("forcing node mode due to features %s, script %s, language %s",feature,script,language) + report_defining("forcing node mode in font %s for feature %s, script %s, language %s (no base support)",file.basename(tfmdata.properties.name),feature,script,language) end + features.mode = "node" return "node" else + -- at least one lookup found = true end end |