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8224 Commits

Author SHA1 Message Date
Ebrahim Byagowi 5cc09c462b [ot-glyph] Initial cff1 support 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi 3dcba9f215 [ot-glyph] Redesign the API 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi b8b3ff1a02 [glyph] Don't copy, write directly into result 2020-01-10 14:25:07 +03:30
Ebrahim Byagowi f883c31cce Implement glyph outline path API 
Got help from https://github.com/opentypejs/opentype.js/blob/4e0bb99/src/tables/glyf.js#L222
 2020-01-10 14:25:06 +03:30
Michiharu Ariza d2ab1ec65b fixes oss-fuzz 19978: Null-dereference READ (#2091) 2020-01-10 07:54:16 +03:30
Ebrahim Byagowi 5e55a6d691
[subset/hvar] minor 
not super excited about state of the code around, assuming was needed
so let's add this may unlikely check also.
 2020-01-09 23:40:40 +03:30
Ebrahim Byagowi 257a197ae7
Fail serialize when map has incorrect value 
fixes https://crbug.com/oss-fuzz/19956

am not super happy with the fix, guess we should do some check
before the memcpy anyway as @blueshade7 thinks also,
so let's have it or revert it when we have a better approach for the case.
 2020-01-09 22:55:45 +03:30
Qunxin Liu 1db2c1d0da fix for cmap4 and OS_2 subsetting: maximum character code allowed is 0xFFFF 2020-01-09 10:00:32 -08:00
Ebrahim Byagowi 7950beecfc
[subset] Fix null pointer dereference in hvar/vvar subset (#2085) 
Rest of the code assumes there is at least one subtable, lets return here if not.

* https://crbug.com/oss-fuzz/19827
* https://crbug.com/oss-fuzz/19847
 2020-01-06 21:25:00 +03:30
Ebrahim Byagowi 8ed27757b1
Remove _POSIX_C_SOURCE definition from the project 
Added fpr suncc support but apparently is causing more issues
even on suncc so let's see if we can go without it.

Fixes #2084
 2020-01-06 19:01:13 +03:30
Ebrahim Byagowi e7d1aeb610
[hvar] minor, fix unlikely statement 2020-01-06 12:48:22 +03:30
Ebrahim Byagowi 57b1534198
[glyf] minor, fix unlikely statements 2020-01-06 12:46:50 +03:30
Ebrahim Byagowi 9e48c6e9ef minor, use private API of hb_set_t where possible 2019-12-31 15:57:39 +03:30
Ebrahim Byagowi ce114d6b27 minor, tweak spaces 2019-12-31 15:53:02 +03:30
Ebrahim Byagowi 33c3d63a0a
Merge pull request #1594 from harfbuzz/var-subset 
Issue 1558: [subset] TrueType/CFF2 variable font
 2019-12-31 13:52:50 +03:30
Khaled Hosny 68c1798a67 [coretext] Use kCTFontOpenTypeFeatureTag 
Instead of trying to map OpenType features to AAT feature selectors
which only works for a small subset of OpenType features, use the
simpler kCTFontOpenTypeFeatureTag with OpenType feature tags directly.

With this change, features like cvXX can be enabled in coretext shaper,
while they were previously ignored due to missing mapping.

This seems to work even with AAT fonts that don’t have OpenType layout
tables, which suggests that CoreText is doing the mapping itself in this
case.

kCTFontOpenTypeFeatureTag seems to have been introduced in macOS 10.10
and iOS 8.0, though, so its use is conditional on version check for now.
Not sure how to check iOS version, so I left this out.
 2019-12-22 06:27:48 -08:00
Marcel Fabian Krüger b28c282585 Check to avoid overflows 2019-12-16 18:08:22 -08:00
Marcel Fabian Krüger d70afb1e5a Clamp max_ops to upper bound in hb-sanitize.hh 2019-12-16 18:08:22 -08:00
Evgeniy Reizner b79ceac3c6 Prefer UINT_MAX instead of uint overflow. 
Also, prefer HB_FEATURE_GLOBAL_START and HB_FEATURE_GLOBAL_END.
 2019-12-15 11:46:05 -08:00
Evgeniy Reizner b618e0ae13 Remove non-breaking spaces from comments. 
`0xC2A0` was used, for some reasons. It's not really a problem, but Qt Creator
constatly trying to replace them with regular spaces, so I have to edit those
files separately.
 2019-12-15 10:12:22 -08:00
Evgeniy Reizner 780d640c02 Remove unnecessary check in hb_buffer_t::set_masks. 
Bounds are already checked by the caller.

Closes #2073
 2019-12-15 10:08:38 -08:00
Evgeniy Reizner 34ed8e7218 Prefer _hb_glyph_info_is_unicode_mark where possible. 2019-12-13 08:55:34 +03:30
Ebrahim Byagowi 3e1a2632dc
[unscribe] fix leak issue 
with no user_data provided, `free` will be called with `(0)` thus silently having a leak
 2019-12-12 15:48:27 +03:30
Daeren 4ef597e170 Fix unary minus operator applied to unsigned int 
Applying unary minus operator to unsigned int causes the following error on MSVS: error C4146
This patch fixes the error.
 2019-12-11 09:19:28 -06:00
Daeren 1770493cf5 Fix unary minus operator applied to unsigned int 
Applying unary minus operator to unsigned int causes the following error on MSVS: error C4146
This patch fixes the error.
 2019-12-11 09:19:19 -06:00
Behdad Esfahbod a061e47fcc Change a few HB_INTERNAL static methods to static inline 2019-12-10 13:31:50 -06:00
Behdad Esfahbod dd3972a364 [GSUB] Simplify Extension is_reverse() 
We don't allow extension lookups to chain to another extension lookup.
Simplify code for that.
 2019-12-10 13:28:39 -06:00
Behdad Esfahbod 858b627984 [machinery] Remove CastR<>() 2019-12-10 13:18:32 -06:00
Behdad Esfahbod b84ceb2fcf [machinery] Remove CastP 2019-12-10 13:02:48 -06:00
Behdad Esfahbod 85574ec287 [machinery] Minor 2019-12-10 12:52:32 -06:00
Behdad Esfahbod 6a60ca117c [algs] Fold last other bsearch() in 
Now truly have only one bsearch implementation.
 2019-12-10 12:32:59 -06:00
Behdad Esfahbod 39afe608b4 [algs] Fold one more custom bsearch() in 
One more to go.
 2019-12-10 12:13:40 -06:00
Behdad Esfahbod b1dc676eaa [algs] Reduce one more bsearch() impl 
Ouch, there were three more left.  Down one.  Two to go.
 2019-12-10 12:13:40 -06:00
Behdad Esfahbod f47cbade18 [aat] Adjust fallback positioning logic 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1528

Wish could add a test...

$ ./hb-view --font-file Thonburi.ttc --unicodes U+0E17,U+0E35,U+0E48,U+0E4A --shaper ot

                   ▃

         ▂▃▃▄▃▂▁▊        ▃  ▃       ▎
      ▗   ▅▆▆▅          ▌ ▆▆▅▆▙ ▌▗
     ▗                  ▙ ▂  ▎▗   ▟
     ▅▆▆▆▇▇▇▇▇▇▇▆▆▅▄     ▇▅▅▅ ▙▆▇
    ▁▁▂▁       ▁▁
         ▖                    ▖ ▂▂
  ▉   ▁        ▆▆        ▌   ▆  ▙▄ ▁▁
   ▙            ▉      ▃▖           ▟
      ▊         ▉      ▅▟           ▗▄
      ▊         ▉     ▗ ▏           ▇▆
      ▊    ▟    ▉      ▆             ▖
      ▊         ▉        ▌        ▂
      ▊   ▏     ▉           ▌ ▗   ▄▟
      ▊                        ▆
 2019-12-09 18:11:04 -06:00
Behdad Esfahbod fa7edf87c9 [bsearch] Massage API some more 2019-12-09 17:51:41 -06:00
Behdad Esfahbod 70aa5071d8 [algs] Adjust return value of hb_ctz(0) to be 32 instead of 0 2019-12-09 17:48:10 -06:00
Behdad Esfahbod eefb78f674 Minor 2019-12-09 17:46:56 -06:00
Behdad Esfahbod 9fb030585a Rename start/end to first/last in RangeRecord 
Because that's what they are.
 2019-12-09 17:46:08 -06:00
Ebrahim Byagowi 9b1d5c4a59
[number] fix where strtod_l not available 2019-12-09 12:29:28 +03:30
Ebrahim Byagowi 5c8f960289
[number] minor, include the renamed header 2019-12-09 10:48:43 +03:30
Behdad Esfahbod 48eef2724c [algs/array] Consolidate the last two bsearch implementations! 
Yay!  Seems to work.
 2019-12-06 05:04:11 +00:00
Behdad Esfahbod ed35dea8c0 Fourth try... sighs 2019-12-06 04:37:11 +00:00
Behdad Esfahbod 9168310bb4 Fix build, third times... 2019-12-06 04:28:06 +00:00
Behdad Esfahbod 34f5cc2cc8 Second try at fixing build 2019-12-06 04:09:33 +00:00
Behdad Esfahbod 14ce5ab0b7 First try at fixing build errors 2019-12-06 03:54:46 +00:00
Behdad Esfahbod 2274270c6a [algs] Streamline bsearch some more 2019-12-06 03:42:21 +00:00
Behdad Esfahbod bd55d4b49f [algs] Streamline bsearch() API more towards hb_array_t::bsearch_impl() 
Preparing to merge the two finally!
 2019-12-06 03:35:24 +00:00
Behdad Esfahbod fd6df520a1 [array] Isolate bsearch implementation more 2019-12-06 03:01:34 +00:00
Behdad Esfahbod 06d3c2019f [array] Simplify bfind() positioning 
I had copied the old scheme from fontconfig's fccharset.c.  I just
convinced myself that this change is correct and produces exact
same results.  But I also am skeptical.  Anyone else feel like
convincing themselves as well please?
 2019-12-06 02:52:54 +00:00
Ebrahim Byagowi d67ba649a3 Rename hb_array_t::in_range to hb_array_t::check_range 2019-12-06 02:27:23 +00:00