diff options
Diffstat (limited to 'tex/context/base/font-otf.lua')
| -rw-r--r-- | tex/context/base/font-otf.lua | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tex/context/base/font-otf.lua b/tex/context/base/font-otf.lua index b2ca54615..e52946059 100644 --- a/tex/context/base/font-otf.lua +++ b/tex/context/base/font-otf.lua @@ -99,8 +99,27 @@ registerdirective("fonts.otf.loader.syncspace", function(v) syncspace = registerdirective("fonts.otf.loader.forcenotdef", function(v) forcenotdef = v end) registerdirective("fonts.otf.loader.overloadkerns", function(v) overloadkerns = v end) +function otf.fileformat(filename) + local leader = lower(io.loadchunk(filename,4)) + local suffix = lower(file.suffix(filename)) + if leader == "otto" then + return "opentype", "otf", suffix == "otf" + elseif leader == "ttcf" then + return "truetype", "ttc", suffix == "ttc" + elseif suffix == "ttc" then + return "truetype", "ttc", true + else + return "truetype", "ttf", suffix == "ttf" + end +end + local function otf_format(filename) - return formats[lower(file.suffix(filename))] + local format, suffix, okay = otf.fileformat(filename) + if not okay then + report_otf("font %a is actually an %a file",filename,format) + end + -- return formats[lower(file.suffix(filename))] + return suffix end local function load_featurefile(raw,featurefile) |