diff options
Diffstat (limited to 'Master/texmf-dist/tex/generic/context/luatex/luatex-fonts-ext.lua')
-rw-r--r-- | Master/texmf-dist/tex/generic/context/luatex/luatex-fonts-ext.lua | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/Master/texmf-dist/tex/generic/context/luatex/luatex-fonts-ext.lua b/Master/texmf-dist/tex/generic/context/luatex/luatex-fonts-ext.lua index b60d0451228..7d9c58ccbfe 100644 --- a/Master/texmf-dist/tex/generic/context/luatex/luatex-fonts-ext.lua +++ b/Master/texmf-dist/tex/generic/context/luatex/luatex-fonts-ext.lua @@ -12,7 +12,7 @@ if context then end local fonts = fonts -local otffeatures = fonts.constructors.newfeatures("otf") +local otffeatures = fonts.constructors.features.otf -- A few generic extensions. @@ -270,3 +270,60 @@ otffeatures.register { node = reencode, } } + +local function ignore(tfmdata,key,value) + if value then + tfmdata.mathparameters = nil + end +end + +otffeatures.register { + name = "ignoremathconstants", + description = "ignore math constants table", + initializers = { + base = ignore, + node = ignore, + } +} + +local setmetatableindex = table.setmetatableindex + +local function additalictowidth(tfmdata,key,value) + local characters = tfmdata.characters + local resources = tfmdata.resources + local additions = { } + local private = resources.private + for unicode, old_c in next, characters do + -- maybe check for math + local oldwidth = old_c.width + local olditalic = old_c.italic + if olditalic and olditalic ~= 0 then + private = private + 1 + local new_c = { + width = oldwidth + olditalic, + height = old_c.height, + depth = old_c.depth, + commands = { + { "slot", 1, private }, + { "right", olditalic }, + }, + } + setmetatableindex(new_c,old_c) + characters[unicode] = new_c + additions[private] = old_c + end + end + for k, v in next, additions do + characters[k] = v + end + resources.private = private +end + +otffeatures.register { + name = "italicwidths", + description = "add italic to width", + manipulators = { + base = additalictowidth, + -- node = additalictowidth, -- only makes sense for math + } +} |