diff options
Diffstat (limited to 'tex/context/base/font-syn.lua')
| -rw-r--r-- | tex/context/base/font-syn.lua | 64 |
1 files changed, 58 insertions, 6 deletions
diff --git a/tex/context/base/font-syn.lua b/tex/context/base/font-syn.lua index 8af31f222..5b50ac75f 100644 --- a/tex/context/base/font-syn.lua +++ b/tex/context/base/font-syn.lua @@ -263,12 +263,63 @@ filters.ttf = fontloader.info filters.ttc = fontloader.info filters.dfont = fontloader.info -function fontloader.fullinfo(...) -- check with taco what we get / could get +-- We had this as temporary solution because we needed a bit more info but in the +-- meantime it got an interesting side effect: currently luatex delays loading of e.g. +-- glyphs so here we first load and then discard which is a waste. In the past it did +-- free memory because a full load was done. One of these things that goes unnoticed. +-- +-- function fontloader.fullinfo(...) -- check with taco what we get / could get +-- local ff = fontloader.open(...) +-- if ff then +-- local d = ff -- and fontloader.to_table(ff) +-- d.glyphs, d.subfonts, d.gpos, d.gsub, d.lookups = nil, nil, nil, nil, nil +-- fontloader.close(ff) +-- return d +-- else +-- return nil, "error in loading font" +-- end +-- end + +-- Phillip suggested this faster variant but it's still a hack as fontloader.info should +-- return these keys/values (and maybe some more) but at least we close the loader which +-- might save some memory in the end. +-- +-- function fontloader.fullinfo(name) +-- local ff = fontloader.open(name) +-- if ff then +-- local fields = table.tohash(fontloader.fields(ff),true) +-- local d = { +-- names = fields.names and ff.names, +-- familyname = fields.familyname and ff.familyname, +-- fullname = fields.fullname and ff.fullname, +-- fontname = fields.fontname and ff.fontname, +-- weight = fields.weight and ff.weight, +-- italicangle = fields.italicangle and ff.italicangle, +-- units_per_em = fields.units_per_em and ff.units_per_em, +-- design_range_bottom = fields.design_range_bottom and ff.design_range_bottom, +-- design_range_top = fields.design_range_top and ff.design_range_top, +-- design_size = fields.design_size and ff.design_size, +-- italicangle = fields.italicangle and ff.italicangle, +-- pfminfo = fields.pfminfo and ff.pfminfo, +-- } +-- table.setmetatableindex(d,function(t,k) +-- report_names("warning, trying to access field %a in font table of %a",k,name) +-- end) +-- fontloader.close(ff) +-- return d +-- else +-- return nil, "error in loading font" +-- end +-- end + +-- As we have lazy loading anyway, this one still is full and with less code than +-- the previous one. + +function fontloader.fullinfo(...) local ff = fontloader.open(...) if ff then - local d = ff and fontloader.to_table(ff) - d.glyphs, d.subfonts, d.gpos, d.gsub, d.lookups = nil, nil, nil, nil, nil - fontloader.close(ff) + local d = { } -- ff is userdata so [1] or # fails on it + table.setmetatableindex(d,ff) return d else return nil, "error in loading font" @@ -909,9 +960,10 @@ local function analyzefiles(olddata) end end if result == nil then - local result, message = filters[lower(suffix)](completename) + local lsuffix = lower(suffix) + local result, message = filters[lsuffix](completename) if result then - if result[1] then + if #result > 0 then for r=1,#result do local ok = check_name(data,result[r],storedname,modification,suffix,r-1) -- subfonts start at zero -- if not ok then |