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
45def99eae
[subset] Fix to debug message.
2018-03-20 19:47:36 -06:00
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
Rod Sheeter
b3f1a045a8
[subset] kick the build
2018-02-28 11:41:24 -08:00
Rod Sheeter
20d5739923
[subset] extract a method to flip off composite instruction flag
2018-02-28 11:15:08 -08:00
Rod Sheeter
6836a82142
[subset] remove WE_HAVE_INSTRUCTIONS from composites when dropping hints
2018-02-27 20:51:12 -08:00
Rod Sheeter
903771b6c7
[subset] clearer name for trim() and better comment about composite handling, per review feedback
2018-02-26 19:50:06 -08:00
Rod Sheeter
d78393b554
Merge branch 'master' of https://github.com/harfbuzz/harfbuzz into drophints
2018-02-23 17:53:26 -08:00
Rod Sheeter
1454d82a9d
[subset] keep glyph trim separate of more general get_offset
2018-02-23 17:49:23 -08:00
Rod Sheeter
0ac8c0c1e6
[subset] zero glyf and loca memory before writing so pads are clean. Test just the part of maxp we care about
2018-02-23 17:43:00 -08:00
Garret Rieger
99967e21c6
[subset] Fix memory leak in hb-subset-glyf.
2018-02-23 15:45:45 -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
a998eeee4a
[subset] sanity check glyph data writes during glyph subsetting to ensure they are inbounds.
2018-02-20 18:01:16 -08:00
Garret Rieger
0ab73e5942
[subset] Sanity check that loca writes are inbounds.
2018-02-20 18:01:16 -08:00
Garret Rieger
2130392dcc
[subset] Add support for updating reference gids in components to their new values.
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
d008b62887
Merge remote-tracking branch 'upstream/master' into fixed
2018-02-14 10:38:52 -08:00
Behdad Esfahbod
fd0bde6325
[subset] Fix loca offsets
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Was writing source font's offsets. Ouch.
2018-02-13 16:35:30 -08:00
Behdad Esfahbod
97a2f03200
[subset] Allocate bulk memory with malloc(), not calloc()
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We use calloc() to allocate simple structs and set them to zero.
For bulk memory, use malloc() that doesn't zero.
2018-02-12 18:51:10 -08:00
Garret Rieger
e8318188c0
[subset] Fix loca generation, was previously writing the original glyph starting offset.
2018-02-12 11:38:28 -08:00
Garret Rieger
427f9e4b90
Don't force loca version to long.
2018-02-12 11:18:28 -08:00
Behdad Esfahbod
7039803b51
Fix djgpp bot
2018-02-10 15:47:50 -06:00
Ebrahim Byagowi
203b647530
Favor use of static instead HB_INTERNAL
2018-02-10 15:44:09 -06:00
Behdad Esfahbod
c31fcf4c58
[subset] Replace auto_array with prealloced_array
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auto_array has constructor/destructor. Cannot be used in POD object, as the clang
bots all noticed...
2018-02-10 14:20:10 -06:00
Behdad Esfahbod
931d67900e
Fix some other bots
2018-02-10 14:11:16 -06:00
Ebrahim Byagowi
844f48ea9a
Fix symbol exporting and libstdc++ linkage of hb-subset ( #769 )
2018-02-10 23:13:12 +03:30
Garret Rieger
d18decd201
In glyf subsetting add suport for writing out a short loca table when possible.
2018-02-09 18:41:21 -08:00
Garret Rieger
0089443756
Keep a second set of glyph ids in subset plan which is sorted by glyph id and always has gid 0
2018-02-09 16:22:09 -08:00
Garret Rieger
1582eabee6
Update head table with loca format selected by glyf+loca subsetting.
2018-02-09 12:52:08 -08:00
Rod Sheeter
59c658c8d5
capture codepoints sorted so we can use them for cmap later. one day we will have a map
2018-02-08 19:22:47 -08:00
Garret Rieger
5a34114f96
Add an extra entry to the end of the loca table to identify the end of the last glyph's data.
2018-02-08 18:32:24 -08:00
Garret Rieger
aac7d96212
Apply per table subsetting while building the new face in hb_subset.
2018-02-08 18:18:16 -08:00
Garret Rieger
8e9fd6f1ab
Implement basic loca (long version only) subsetting.
2018-02-08 17:31:11 -06:00
Garret Rieger
f9c665fed1
Update interface to hb-subset-glyf to subset glyf and loca.
2018-02-08 17:31:11 -06:00
Garret Rieger
217ed5e3c8
Cleanups in hb-subset-glyf and hb-subset-plan.
2018-02-08 17:31:11 -06:00
Garret Rieger
4e1abe2ce0
Refactor subset glyf to remove multiple calls to glyf.fini()
2018-02-07 17:28:43 -06:00
Garret Rieger
0a5d1440f8
Add implementation of glyf subsetting.
2018-02-07 17:28:43 -06:00
Garret Rieger
53aa0e9542
Add an instance of glyf::accelerator_t to hb-subset-glyf.
2018-02-07 12:41:21 -05:00
Garret Rieger
6a45e5df24
Add skeleton of hb-subset-glyf, call if from hb_subset(...)
2018-02-07 12:41:21 -05:00