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2236 commits

Author SHA1 Message Date
Garret Rieger
db23be642f [subset] clamp head *Min/*Max values to fit within 16 bit signed int. 
Fixes fuzzer https://oss-fuzz.com/testcase-detail/4549472192692224.
 2023-05-01 20:28:58 -06:00
Garret Rieger
b3fed4fa64 [repacker] fix fuzzer found memory leak. 
Fixes https://oss-fuzz.com/testcase-detail/5196242811748352
 2023-04-27 17:18:47 -06:00
Behdad Esfahbod
1d31da91ce
Merge pull request #4205 from harfbuzz/gvar-optimize 
Gvar optimize
 2023-04-25 15:34:06 -06:00
Garret Rieger
e41f317199 [subset] Update expectation files for full_instance tests. 2023-04-25 20:54:27 +00:00
Garret Rieger
2175f5d050 [subset] Fix inefficient ItemVariationStore subsetting w/ retain_gids. 
ItemVariationStore is relying on the assumption that the inner_map is populated for all output glyphs, this is not true for subsetting operations with retain gids enabled. Fixes fuzzer timeout: https://oss-fuzz.com/testcase-detail/4575222591520768.
 2023-04-24 18:11:48 -06:00
Garret Rieger
647b024784 [subset] Fix fuzzer issue https://oss-fuzz.com/testcase-detail/6521393809588224 2023-04-18 13:21:46 -06:00
Garret Rieger
3db6baa20e [subset] add test for lig glyph fix. 2023-04-17 14:35:27 -06:00
Garret Rieger
14b9d8d534 [subset] add --no-layout-closure flag. 
Disables layout glyph closure. Fixes #4192.
 2023-04-14 15:12:41 -06:00
Qunxin Liu
96ed20725c [instancer] update bound metrics for CFF2 instancing 2023-04-05 17:27:11 -06:00
Garret Rieger
2cd81fdfb6 [subset] fix memory leak. 
Fixes fuzzer issue https://oss-fuzz.com/testcase-detail/6169920089227264
 2023-03-30 16:19:41 -06:00
Qunxin Liu
c1acfe9966 [instancer] bug fix in TupleVariationData get_size () 
We need to iterate TupleVariationHeader when calculating the total size
 2023-03-27 15:37:06 -06:00
Garret Rieger
be87200106 [subset] fix buffer overflow fuzzer reported issue. 2023-03-25 10:11:46 -04:00
Garret Rieger
79ae6b657f [subset] Fix fuzzer found memory leaks. 2023-03-25 10:11:46 -04:00
Qunxin Liu
ab87d7d225 [instance] add tests for colrv1 full instancing 2023-03-21 11:51:58 -06:00
Garret Rieger
f0f7f22525 [subset] fix fuzzer found null deref. 
https://oss-fuzz.com/testcase-detail/5844352760152064
 2023-03-21 11:41:09 -06:00
Garret Rieger
a84cae424d [subset] Don't add invalid gids (-1) to the glyphset when loading glyph map from the accelerator. 2023-03-15 12:10:18 -06:00
Behdad Esfahbod
09a2662361
Merge pull request #4168 from googlefonts/subset_name_collect 
[subset] name_id closure
 2023-03-14 12:48:12 -06:00
Qunxin Liu
204e155acb [subset] Add tests for collecting name_ids from STAT and FeatureParams 2023-03-14 10:25:31 -07:00
Garret Rieger
3d05b96181 [subset] track which glyphs have allocated memory so we can clean up correctly. 
Fixes https://oss-fuzz.com/testcase-detail/5388270411579392
 2023-03-13 16:03:58 -06:00
Garret Rieger
7a87b17742 Check for failed subset input creation in the fuzzer. 2023-03-13 15:21:25 -06:00
Garret Rieger
28b05e1cb6 [subset] Fix memory leak in glyf subset. 
Fixes fuzzer issue: https://oss-fuzz.com/testcase-detail/6525813890875392.
 2023-03-08 17:02:04 -07:00
Garret Rieger
9286e12525 Don't subset a glyf table with an unknown format. 
Fixes fuzzer issue: https://oss-fuzz.com/testcase-detail/4875306193518592
 2023-03-08 14:51:54 -07:00
Behdad Esfahbod
2d33a6b4df [subset-fuzzer] Protect against overflow 
Fixes
https://github.com/harfbuzz/harfbuzz/issues/4137#issuecomment-1448994447
 2023-02-28 15:31:45 -07:00
Qunxin Liu
a975ec4842 [instancer] apply cvar deltas 2023-02-27 17:05:23 -07:00
Garret Rieger
c0fac016dc [subset] update the subset fuzzer to be able to reach instancing code. 2023-02-27 15:07:04 -07:00
Qunxin Liu
605aed0544 [instancer] bug fix in post table applying mvar deltas 2023-02-24 13:19:37 -07:00
Garret Rieger
918193ebf9 [subset] fix a class of fuzzer timeouts caused by large shared coverage tables. 
More acurately estimates the op count for CoverageFormat2 tables as the population size instead of the size in bytes.
 2023-02-22 16:57:39 -07:00
Garret Rieger
ddd0f7f40b [subset] Add a test for CFF2 instancing. 
Adds option to disable the fonttools comparison check in the test. This is needed since CFF2 instancing is not yet supported in fonttools.
 2023-02-22 14:12:55 -07:00
Behdad Esfahbod
4a735b30c4 [cff2-subset] Update test 2023-02-19 20:39:01 -07:00
Qunxin Liu
af1e605be2 [instancer] bug fix 
It's possible that length of all_points equals to 4 for non-empty
glyphs: a composite glyph which contains only one child glyph that is
empty.
 2023-02-10 12:51:27 -07:00
Jens Kutilek
219e2f12f0 Clarify that those two test fonts are CC0-licensed 2023-02-10 10:06:28 -07:00
Behdad Esfahbod
64fa5cd482 [GPOS] Fix assert fail introduced recently 
Was introduced in 8708b9e081.

If these lookups are recursed to from (Chain)Context out-of-order,
it was possible that last_base > buffer->idx, in which case we
were attaching marks to a base after them... and an assertion
was failing fortunately.

Fixes https://oss-fuzz.com/testcase-detail/6377756666757120
 2023-02-07 15:52:53 -07:00
Behdad Esfahbod
474b99d122 [test-paint] Fix build without FreeType 
Fixes https://github.com/harfbuzz/harfbuzz/issues/4103
 2023-02-04 10:16:11 -07:00
Qunxin Liu
615595689c [subset/COLR] add tests for copying varStore 2023-01-27 12:21:52 -07:00
Khaled Hosny
6c46da7710 [test] Fix shell script quoting 2023-01-27 10:34:50 +02:00
Behdad Esfahbod
e377888990 [ft-colr] Conditionalize on (unreleased0 FreeType 2.13.0 
That's the version that the color API is called stable, and
includes changes that we rely on.
 2023-01-26 13:27:55 -07:00
Matthias Clasen
8d80d1dd18 [paint] Update expected test results 
These tests were affected by recent fixes.
 2023-01-25 19:06:51 -05:00
Qunxin Liu
5e86870378 [instancer] compute head/maxp values using only non-empty glyphs 2023-01-25 14:53:19 -07:00
Andres Salomon
0bbc9d5256 [fonts] move OFL-1.1 license to a higher directory 
There's a bunch of font directories inside of test/ for which the vast
majority of fonts are licensed under the SIL open font license. We currently
have a COPYING file in test/shape/data/in-house/COPYING that says that most
of the fonts are OFL-1.1, but that doesn't apply to the fonts in, say,
test/api/fonts/ or test/fuzzing/fonts/. Since there are so many OFL-1.1
fonts all over test, let's move the COPYING file to the top-level test/
directory.
 2023-01-25 10:07:03 -07:00
Andres Salomon
c622c6b883 [font] update the license url for TestGVAREight.ttf 
The url in the exif data incorrectly links to a proprietary license. However,
permission was granted for distribution under Apache-2 as part of another project,
so link to that project's license instead.

fixes #4062
 2023-01-25 09:27:49 -07:00
Matthias Clasen
eb0a025e49 Add a test for glyph names 
This verifies that hb_font_get_glyph_name
returns false for nonexisting glyphs.
 2023-01-24 21:35:04 -07:00
Matthias Clasen
dd64266ea4 Add a test for glyph extents 
This verifies a recent fix for COLRv1 returning
0,0,-1,1 for extents of non-painting glyphs.
 2023-01-24 18:08:22 -07:00
Qunxin Liu
73e6f6cc88 [instancer] enable the missing test 2023-01-24 17:28:51 -07:00
Qunxin Liu
27f72f0deb [instancer] avoid double free for compiled glyph bytes 
also increase the HB_GLYF_MAX_POINTS limit to 20000 cause the test file has a
.notdef glyph which is a composite glyph and has 10176 points after
get_points() call
 2023-01-24 17:28:51 -07:00
Garret Rieger
e4fff64ce3 [repacker] check duplicate() for success. 
Fixes fuzzer testcase https://oss-fuzz.com/testcase-detail/5475787333828608.
 2023-01-23 18:37:13 -07:00
Behdad Esfahbod
b987918125
Merge pull request #4052 from googlefonts/instancer_recalc_bounds 
[instancer] recalc bounds by default when --instance option is enabled
 2023-01-22 09:08:51 -07:00
Behdad Esfahbod
e4cdaa1d3f [test] Fix build 2023-01-22 08:36:51 -07:00
Behdad Esfahbod
9ba1e400d6 [test] Remove non-free font and its test 
Fixes https://github.com/harfbuzz/harfbuzz/issues/4059
 2023-01-22 08:31:39 -07:00
Behdad Esfahbod
b63159e8bf [PairPosFormat1] Fix stride 
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=55287
and generally the lookup with MediumTypes.
 2023-01-21 15:51:40 -07:00
Khaled Hosny
c08e5d094a [hb-draw] Fix MSVC warning 
warning C4305: 'initializing': truncation from 'double' to 'float'
 2023-01-21 15:27:56 +02:00