diff options
Diffstat (limited to 'tex/context/base/math-act.lua')
| -rw-r--r-- | tex/context/base/math-act.lua | 112 |
1 files changed, 59 insertions, 53 deletions
diff --git a/tex/context/base/math-act.lua b/tex/context/base/math-act.lua index d7b39b4c5..4a26d0192 100644 --- a/tex/context/base/math-act.lua +++ b/tex/context/base/math-act.lua @@ -605,62 +605,68 @@ blocks["digitsextendedarabicindic"] = { first = 0x006F0, last = 0x006F -- todo: tounicode function mathematics.injectfallbacks(target,original) - local specification = target.specification - if specification then - local fallbacks = specification.fallbacks - if fallbacks then - local definitions = fonts.collections.definitions[fallbacks] - if definitions then - local definedfont = fonts.definers.internal - local copiedglyph = fonts.handlers.vf.math.copy_glyph - local fonts = target.fonts - local size = specification.size -- target.size - local characters = target.characters - if not fonts then - fonts = { } - target.fonts = fonts - target.type = "virtual" - target.properties.virtualized = true - end - if #fonts == 0 then - fonts[1] = { id = 0, size = size } -- sel, will be resolved later - end - local done = { } - for i=1,#definitions do - local definition = definitions[i] - local name = definition.font - local start = definition.start - local stop = definition.stop - local check = definition.check - local force = definition.force - local rscale = definition.rscale or 1 - local offset = definition.offset or start - local id = definedfont { name = name, size = size * rscale } - local index = #fonts + 1 - fonts[index] = { id = id, size = size } - local chars = fontchars[id] - if check then - for unicode = start, stop do - local unic = unicode + offset - start - if not chars[unicode] then - -- not in font - elseif force or (not done[unic] and not characters[unic]) then - if trace_collecting then - report_math("remapping math character, vector %a, font %a, character %C, %s",fallbacks,name,unic,"checked") + local properties = original.properties + if properties and properties.hasmath then + local specification = target.specification + if specification then + local fallbacks = specification.fallbacks + if fallbacks then + local definitions = fonts.collections.definitions[fallbacks] + if definitions then + if trace_collecting then + report_math("adding fallback characters to font %a",specification.hash) + end + local definedfont = fonts.definers.internal + local copiedglyph = fonts.handlers.vf.math.copy_glyph + local fonts = target.fonts + local size = specification.size -- target.size + local characters = target.characters + if not fonts then + fonts = { } + target.fonts = fonts + target.type = "virtual" + target.properties.virtualized = true + end + if #fonts == 0 then + fonts[1] = { id = 0, size = size } -- sel, will be resolved later + end + local done = { } + for i=1,#definitions do + local definition = definitions[i] + local name = definition.font + local start = definition.start + local stop = definition.stop + local check = definition.check + local force = definition.force + local rscale = definition.rscale or 1 + local offset = definition.offset or start + local id = definedfont { name = name, size = size * rscale } + local index = #fonts + 1 + fonts[index] = { id = id, size = size } + local chars = fontchars[id] + if check then + for unicode = start, stop do + local unic = unicode + offset - start + if not chars[unicode] then + -- not in font + elseif force or (not done[unic] and not characters[unic]) then + if trace_collecting then + report_math("remapping math character, vector %a, font %a, character %C, %s",fallbacks,name,unic,"checked") + end + characters[unic] = copiedglyph(target,characters,chars,unicode,index) + done[unic] = true end - characters[unic] = copiedglyph(target,characters,chars,unicode,index) - done[unic] = true end - end - else - for unicode = start, stop do - local unic = unicode + offset - start - if force or (not done[unic] and not characters[unic]) then - if trace_collecting then - report_math("remapping math character, vector %a, font %a, character %C, %s",fallbacks,name,unic,"unchecked") + else + for unicode = start, stop do + local unic = unicode + offset - start + if force or (not done[unic] and not characters[unic]) then + if trace_collecting then + report_math("remapping math character, vector %a, font %a, character %C, %s",fallbacks,name,unic,"unchecked") + end + characters[unic] = copiedglyph(target,characters,chars,unicode,index) + done[unic] = true end - characters[unic] = copiedglyph(target,characters,chars,unicode,index) - done[unic] = true end end end |