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224 Commits

Author SHA1 Message Date
Behdad Esfahbod 6c48ec830f [ot] Remove font funcs that do nothing 2015-11-04 20:47:42 -08:00
Behdad Esfahbod 75ea2daa1d [ot] Port ot font funcs to allocated object 2015-11-04 20:43:59 -08:00
Behdad Esfahbod df698f3299 [ot-font] Fix hmtx table length checking, *again* 
Exactly the same problem that I fixed in
63ef0b41dc

I rewrote the table checking yesterday in
67f8821fb2
and introduced the exact same issue again. :(
Good thing we have ongoing fuzzing going now.  Was discovered
immediately by libFuzzer.  Thanks kcc!

https://github.com/behdad/harfbuzz/issues/139#issuecomment-153449473
Fixes https://github.com/behdad/harfbuzz/issues/156
 2015-11-03 12:15:12 -08:00
Behdad Esfahbod 67f8821fb2 [ot] Make bad-hmtx handling match FreeType 
Also route fuzzing-related tests through hb-ot-font, to reduce dependency
on FreeType behavior for badly-broken fonts.  Fixes failing test with
FreeType master.
 2015-11-02 15:37:29 -08:00
Behdad Esfahbod 63ef0b41dc [ot-font] Fix hmtx wrong table length check 
Discovered by libFuzzer.  Ouch!

https://github.com/behdad/harfbuzz/issues/139#issuecomment-148289957
 2015-10-15 12:54:28 -03:00
Behdad Esfahbod ed13e2ce50 [ot-font] Fix leak 
https://github.com/behdad/harfbuzz/issues/139#issuecomment-147616887
 2015-10-13 10:32:56 -03:00
Behdad Esfahbod 3224a594dc Minor 2015-10-07 17:33:02 -04:00
Behdad Esfahbod 2cee5b68a0 [ot-font] Fix short-offset calculation 2015-08-24 13:45:12 +01:00
Behdad Esfahbod b50fcfa829 [ot-font] Implement glyph_extents() for TrueType fonts 
This brings ot-fonts into almost-complete shape and mostly in par with
ft font.
 2015-08-23 14:42:20 +01:00
Sascha Brawer 01c3a88543 Fix "Since:" tags 
Based on data from http://upstream-tracker.org/versions/harfbuzz.html
Resolves #103
 2015-06-01 13:25:27 +02:00
Behdad Esfahbod f1b44303df Fix unary minus operator applied to unsigned int 
Applying unary minus operator to unsigned int causes the following
warning on MSVS:

  warning C4146: unary minus operator applied to unsigned type, result still unsigned

Based on patch from Koji Ishi.

Fixes https://github.com/behdad/harfbuzz/pull/110
 2015-05-21 14:00:15 -07:00
Behdad Esfahbod dba482fc44 [ot-font] Accept MS Symbol cmap if nothing else found 2015-04-17 13:08:08 -07:00
Behdad Esfahbod b931e0b0ce Fix warnings 
Part of https://github.com/behdad/harfbuzz/pull/68
 2015-04-08 14:43:33 -07:00
Behdad Esfahbod 156852991e [ot-font] Add hb_ot_face_cmap_accelerator_t 2014-09-25 17:45:49 +03:00
Behdad Esfahbod d088ccaf11 [ot-font] Minor 2014-09-25 17:26:56 +03:00
Behdad Esfahbod d7c160a153 [ot-font] Handle missing vertical metrics tables 2014-09-25 17:15:35 +03:00
Behdad Esfahbod be1cca2702 [ot-font] Add metrics_accel_t 2014-09-25 16:53:24 +03:00
Behdad Esfahbod d41b809e9d [ot-font] Start adding vertical support 2014-09-25 13:22:01 +03:00
Behdad Esfahbod 8a93195021 [ot] Prefer Windows platform cmap tables / accept all Unicode encodingIDs 
Some fonts on the Mac ship with (0,1).
 2014-08-22 12:06:57 -04:00
Behdad Esfahbod 23afcff1d1 [ot-font] Implement Unicode variation selectors 2014-06-27 17:22:36 -04:00
Behdad Esfahbod 0d75793fae [ot] Implement cmap subtable format 12 2014-05-12 17:51:15 -04:00
Behdad Esfahbod 3608a6847e [ot] Hook up cmap table to hb_ot_font_funcs() 2014-05-12 13:46:29 -04:00
Behdad Esfahbod 41ca1fbebf [ot] Start implementing cmap table 2014-05-09 15:35:56 -04:00
Behdad Esfahbod 903648437c Start fleshing out builtin font functions 2014-03-24 15:19:15 -07:00