Commit Graph

76 Commits

Author SHA1 Message Date
Garret Rieger a8e7f9b958 [subset] Get cmap tests passing again. 2018-05-04 11:20:03 -07:00
Garret Rieger 4fa1c6705a [subset] Check instruction offsets in glyph to ensure they are in bounds. 2018-04-19 17:19:38 -06:00
Garret Rieger e29c8e33f3 [subset] Add a test for previous cmap breakage. 2018-04-19 12:51:51 -06:00
Garret Rieger 5dadbb0fa0 [subset] Add implementation of cmap format 12 codepoint listing. (#988) 2018-04-17 15:00:23 +02:00
Garret Rieger 21a181af2b [subset] sketch out support for a call that lists all codepoints present in a font. Implement support for it in format 4 cmap sub table. 2018-04-16 16:29:26 -06:00
Garret Rieger 1c3372786c [subset] fix infinite loop bug in looping through tables for subsetting. 2018-03-27 13:47:42 -06:00
Garret Rieger 07851aae9d [subset] Couple of fixes for fuzzer discovered issues. (#924)
* [subset] sanitize individual DeviceRecord's as part of hdmx sanitization.

* [subset] Fix out of bounds read with non-two byte align glyphs.

* [subset] Just use size_device_record >= DeviceRecord::min_size.

* [subset] Add TODO.

* [subset] Re-order checks in hdmx sanitize.
2018-03-26 19:56:56 -07:00
Garret Rieger 1396614040 [subset] don't use pointers returned from push after array has resized in hb-subset-glyf.cc 2018-03-20 19:47:36 -06:00
Garret Rieger 3531efdb4c [subset] Fixed out of bounds read when subsetting hdmx. 2018-03-20 19:47:36 -06:00
Garret Rieger e597436b99 [subset] Disable glyf accelerator_t methods if it didn't successfully init. 2018-03-20 19:47:36 -06:00
Garret Rieger 7251181b56 [subset] Fix infinite loop in there are more then 32 tables. 2018-03-20 19:47:36 -06:00
Garret Rieger 31281d6a17 [subset] Add a test demonstrating a seg fault while subsetting hmtx. 2018-03-20 19:47:36 -06:00
Garret Rieger ec47cd95ba [subset] Unit test to check that post subsetting drops glyph names. 2018-03-07 11:36:54 -08:00
Garret Rieger d9263f0230 [subset] add unit tests for vmtx subsetting. 2018-03-07 10:08:47 -08:00
Rod Sheeter ffcb5cbf71 [subset] update the test file for composite, fix an offset calculation 2018-02-27 20:17:04 -08:00
Rod Sheeter 9bd6d25254 [subset] clone trim logic from fonttools glyf handling 2018-02-23 13:05:58 -08:00
Rod Sheeter 4f07437dfe [subset] sketch out dropping in-glyf instructions. Sometimes yields differnet size glyphs than fonttools, possibly due to padding not being corrected 2018-02-21 22:23:05 -08:00
Garret Rieger df9e22656d [subset] add a glyf subsetting test for a font with composite glyphs. 2018-02-16 18:29:29 -08:00
Rod Sheeter fa87770372 [subset] First pass at hmtx 2018-02-14 14:53:10 -08:00
Garret Rieger 865b6971ad [subset] Add a test for OS/2 fixes during subsetting. 2018-02-14 10:19:50 -08:00
Rod Sheeter 89ee20f1a3 basic wiring for a (failing) cmap test 2018-02-12 16:01:15 -08:00
Garret Rieger 89dbebd4ad Add a basic test for glyf subsetting. 2018-02-08 17:31:11 -06:00
Frédéric Wang 51da7a1cd6 MATH table: Add API to access math variants. 2016-09-26 15:18:16 +01:00
Frédéric Wang d7182d1296 MATH Table: Add API to access glyph info. 2016-09-26 11:32:25 +01:00
Frédéric Wang 319ff59161 MATH Table: Add API to access math contants. 2016-09-26 10:49:09 +01:00
Frédéric Wang 5fbcb992bd MATH Table: Add API to check availability of math data. 2016-09-26 10:27:33 +01:00