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| author | Philipp Gesang <phg42.2a@gmail.com> | 2014-08-10 14:36:13 +0200 |
|---|---|---|
| committer | Philipp Gesang <phg42.2a@gmail.com> | 2014-08-10 14:38:31 +0200 |
| commit | ab2be7b7e82ea1b0103b70b327137a939df6b8fa (patch) | |
| tree | 50f1d02ac2fc071dd420710646b107f2fbd56a50 /src/luaotfload-main.lua | |
| parent | 32296e68a23ddb5f035e6991733466ea82231c95 (diff) | |
| download | luaotfload-ab2be7b7e82ea1b0103b70b327137a939df6b8fa.tar.gz | |
[conf, main] add support for and preliminary implementation of verbose font definers
The definers ``info_patch`` and ``info_generic`` wrap the two existing
font definers in a function that emits verbose information about the
definitions taking place.
Diffstat (limited to 'src/luaotfload-main.lua')
| -rw-r--r-- | src/luaotfload-main.lua | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/src/luaotfload-main.lua b/src/luaotfload-main.lua index 773a3cf..b5cb1d3 100644 --- a/src/luaotfload-main.lua +++ b/src/luaotfload-main.lua @@ -4,7 +4,7 @@ -- REQUIREMENTS: luatex v.0.79 or later; packages lualibs, luatexbase -- AUTHOR: Élie Roux, Khaled Hosny, Philipp Gesang -- VERSION: same as Luaotfload --- MODIFIED: 2014-07-24 22:08:34+0200 +-- MODIFIED: 2014-08-08 23:14:37+0200 ----------------------------------------------------------------------- -- --- Note: @@ -672,13 +672,13 @@ create_callback("luaotfload.patch_font", "simple", dummy_function) --doc]]-- -local read_font_file = fonts.definers.read -local definers = { - generic = read_font_file, - --- spec -> size -> id -> tmfdata - patch = function (specification, size, id) - local tfmdata = read_font_file (specification, size, id) +local definers = { } --- (string, spec -> size -> id -> tmfdata) hash_t +do + local read = fonts.definers.read + + local patch = function (specification, size, id) + local tfmdata = read (specification, size, id) if type (tfmdata) == "table" and tfmdata.shared then --- We need to test for the “shared” field here --- or else the fontspec capheight callback will @@ -686,8 +686,30 @@ local definers = { call_callback ("luaotfload.patch_font", tfmdata, specification) end return tfmdata - end, -} + end + + local mk_info = function (name) + local definer = name == "patch" and patch or read + return function (specification, size, id) + logreport ("both", 0, "main", "active font definer: %q", name) + logreport ("both", 0, "main", " > defining font no. %d", id) + logreport ("both", 0, "main", " > spec %q", specification) + logreport ("both", 0, "main", " > at size %.2f pt", size / 2^16) + local tfmdata = definer (specification, size, id) + if not tfmdata then + logreport ("both", 0, "main", "font definition failed") + return + end + logreport ("both", 0, "main", "font definition successful") + return tfmdata + end + end + + definers.patch = patch + definers.generic = read + definers.info_patch = mk_info "patch" + definers.info_generic = mk_info "generic" +end reset_callback "define_font" |