6fddc2bbf9
[subset] subset layout tables (G*) by default.
2021-04-22 15:08:49 -07:00
425ba1f4ab
[subset] fixes infinite loop in hb_set_get_max().
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Fixes https://oss-fuzz.com/testcase-detail/5363902507515904
2021-04-20 13:18:07 -06:00
ec4321068b
[subset] fix infinite loop caused by alloc failure in repacker.
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Fixes: https://oss-fuzz.com/testcase-detail/5609112151916544 .
2021-04-20 13:18:07 -06:00
0e845d973e
[subset] fix memory leak in repacker caused by failed alloc.
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Fixes: https://oss-fuzz.com/testcase-detail/5616763250278400 .
2021-04-20 13:18:07 -06:00
3fb62cdc14
[subset] fail on offset overflow in tables that we don't repack.
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Fixes: https://oss-fuzz.com/testcase-detail/5229304507138048
2021-04-19 17:01:05 -06:00
47cbf8f2c4
[test] Silence more compiler warnings
2021-04-16 13:32:02 -06:00
9dc9f0385d
[subset] fix for fuzzer testcase: https://oss-fuzz.com/testcase-detail/5858518134554624
2021-04-09 11:07:28 -06:00
4af5dacedc
[subset] add fuzzer testcase
2021-04-07 13:02:04 -06:00
64122b5a44
[subset] don't visit lookup if covered glyph set has failed.
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If covered glyph set is in error then the same lookup can be recursed into repeatedly potentially causing a fuzzer timeout. Fixes: https://oss-fuzz.com/testcase-detail/5416421032067072 .
2021-04-06 12:34:44 -06:00
4ec18c85e6
[subset] add subsetting tests with drop hints and layout subsetting enabled.
2021-04-06 11:50:44 -06:00
71d6d15600
[subset] clamp distance to prevent shifting outside of the limits of int64.
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Fixes https://oss-fuzz.com/testcase-detail/4961171477233664 .
2021-04-06 11:48:39 -06:00
596f4258d0
[subset] copy Lookup::markFilteringSet when subseting.
2021-04-02 15:33:52 -06:00
c35d786397
[subset] never drop the 'pref' feature.
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Never ever drop feature 'pref', even if it's empty. Harfbuzz uses it to choose the shaper for Khmer.
2021-04-01 16:27:35 -06:00
85b0728783
Add full variable font subsetting test.
2021-04-01 15:26:02 -06:00
b10741ca7f
[subset] when closing glyphs in context lookups don't use a current glyph set if a lookup is already applied.
2021-03-31 21:03:33 -06:00
2773d05740
[subset] Add a test case using NotoNastaliqUrdu.
2021-03-31 21:03:33 -06:00
c5c13006a1
[subset] fix memory leaks found in https://oss-fuzz.com/testcase-detail/5179935334465536
2021-03-31 12:37:45 -06:00
adca4ce071
[subset] fixes https://oss-fuzz.com/testcase-detail/6173520787800064 .
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Caused by incorrect bounds check in glyph closure for context lookups.
2021-03-30 15:44:41 -06:00
752e393ad2
[subset] avoid calling clear on null pool set.
2021-03-30 15:12:52 -06:00
8741914a80
[subset] fix memory leak when map insert fails.
2021-03-29 18:02:32 -06:00
5b6da6d2f0
[subset] add fuzzer test case.
2021-03-29 17:41:07 -06:00
a804a0c903
[subset] add fuzzer test case.
2021-03-29 17:15:22 -06:00
95230e291d
[subset] support subsetting GSUB8
2021-03-29 15:54:11 -06:00
0104409959
Fix repack_tests for distcheck.
2021-03-17 15:53:58 -07:00
b8b8c58b9f
[subset] add tests that check for successful repacking of a real font file.
2021-03-17 15:53:58 -07:00
56ca435787
[subset] fix for collect_features and remove_redundant_lamngsys
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previously remove_redundant_sys () is missing in harfbuzz, after
redundant langsys removal, some features are removed as well in
prune_features() in fonttools. This change is trying to get the same
result between harfbuzz and fonttools.
2021-03-17 14:24:04 -07:00
69d772e522
[subset] Fixed test gsub5 test files.
2021-03-17 15:22:07 -06:00
0e1c0fa404
[subset] optimize glyph closure method: step 5
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add testcase and some fixes
2021-03-17 15:22:07 -06:00
1b79b8cd2d
[subset] update gpos tests to reflect updated behaviour.
2021-03-16 15:23:11 -07:00
b1b1486d07
[subset] update expected files to not include cmap12 pruning.
2021-03-16 14:49:35 -07:00
190b7a98f8
[subset] Update PairPosFormat2 subsetting to match fontTools updated subsetting ( https://github.com/fonttools/fonttools/pull/2221 )
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- subset class def 1 against the coverage table.
- Don't re-use class 0 in class def 2.
- Ignore class 0 glyphs for the purposes of determing format 1 vs format 2 encoding for ClassDef.
Add an additional test case which demonstrates these issues.
2021-03-16 14:49:35 -07:00
4c34478b28
Merge pull request #2899 from harfbuzz/ci-fix
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[ci] Don’t install meson from its master branch
2021-03-16 10:37:49 +02:00
f2d08578e7
[tests] Increase shape-fuzzer timeout
2021-03-16 01:15:40 +02:00
15f3ef0136
[test] Fix output format
2021-03-15 16:01:35 -06:00
7686ff854b
[ot] Keep substituted Default_Ignorables ( #2886 )
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Don’t replace Default_Ignorables with zero-width space if they are
substituted or multiplied, not just when ligated.
After this change, HarfBuzz output matches that of Uniscribe and
CoreText for the new tests.
Fixes https://github.com/harfbuzz/harfbuzz/issues/2883
2021-03-04 13:09:32 -08:00
fd489433a8
[indic] Fix cluster-merging logic with cluster-level=1
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Was producing non-monotonic cluster numbers because our faulty logic
was not merging clusters if something from before base and after base
had switched positions.
Fixes https://github.com/harfbuzz/harfbuzz/issues/2272
2021-03-02 16:30:09 -07:00
1c693e8c28
[test] Fix unused-var warning
2021-02-22 17:11:36 -07:00
1551f3d518
fixing more expected test results
2021-02-19 16:53:21 -07:00
79e4f436e7
Apply rounding correctly when calculating glyph extents for CFF and CFF2; adjust expected test results
2021-02-19 16:53:21 -07:00
d01ebeae21
calculate extents based on scaled then rounded values; undo two of the earlier test result adjustments
2021-02-19 16:53:21 -07:00
1d02e9c63b
two more adjusted expected extents results (still not convinced this is the right thing, though)
2021-02-19 16:53:21 -07:00
cd0babe6a6
adjust expected test result
2021-02-19 16:53:21 -07:00
d8ea552d10
[aat] Improve unsafe-to-break logic
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Reduces false-positives. See comments for new logic.
Fixes https://github.com/harfbuzz/harfbuzz/issues/2860
Adjusts run-tests.sh to allow unhashed absolute filenames.
2021-02-19 16:23:22 -07:00
5ca353a2d0
[subset] fix heap buffer overflow found by fuzzer.
2021-02-16 12:43:02 -07:00
751ed68fee
[indic] Fix shaping of U+0B55 ORIYA SIGN OVERLINE
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Fixes https://github.com/harfbuzz/harfbuzz/issues/2849
2021-02-14 12:47:34 -05:00
00d9276343
Add gpos9 expected files to Makefile.am
2021-02-11 13:41:31 -07:00
08a4997fde
[subset] Add subset support for Extension lookups (GPOS 9, GSUB 7).
2021-02-11 13:41:31 -07:00
eb069f3948
[tests] Update expected output of recently-merged gpos5
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The merged PR was from before landing this:
commit 7a72b20aa2
2021-02-10 19:13:51 -07:00
c7d232ce4e
Merge pull request #2701 from googlefonts/Mark-To-Ligature_grieger
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[subset] GPOS 5 MarkToLigature subsetting support
2021-02-10 18:13:38 -07:00
554aaa0c5d
[build] Fix make distcheck
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A regression from 7b77ce0507
2021-02-10 23:22:02 +02:00
6a3fd94f3b
Merge pull request #2699 from googlefonts/gpos_8
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[subset] Add a more complex layout subsetting test case and fix the issues it exposed.
2021-02-09 20:49:04 -05:00
33a0f0b686
[test] Remove fuzzed test font that triggers virus alert
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Fixes https://github.com/harfbuzz/harfbuzz/issues/2750
2021-02-09 12:55:45 -07:00
f94bf9f06f
[set fuzzer] limit the total number of set members in a fuzzing input.
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Currently the fuzzer can create arbitarily long inputs which once big enough will trigger a timeout.
2021-01-26 10:22:07 -08:00
a4c3732f59
[ENOMEM] fix set clear() causing corruption if the set is in_error().
2021-01-21 12:12:05 -07:00
b2e7bb2a7c
Don’t map BCP 47 to coincidentally similar OT tag
2020-11-22 19:35:47 -08:00
17da41bd06
Update language system tag registry to OT 1.8.4
2020-11-18 11:13:35 -08:00
c2cdcd4901
[tests] warning: unused variable 'num_glyphs'
2020-10-17 21:57:27 +02:00
0792690b73
[use] Skip WJ and ZWJ when clustering
2020-10-16 22:39:46 -07:00
84dd65a874
[test] Remove timeout from test runners
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See https://github.com/harfbuzz/harfbuzz/issues/2707#issuecomment-707744079
This wasn’t inconsistent as well, HB_TEST_SUBSET_FUZZER_TIMEOUT defaulted
to 12 in the test runner, but it was overridden to 50 in meson.build,
and then meson has its own test timeout.
2020-10-15 00:49:02 -07:00
fa771a7f85
[tests] Fix memory leak in test
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To make valgrind bot happy.
2020-10-11 13:15:39 -07:00
1d53268dfe
Fix two-way mapping of "man" and 'MNK '
2020-10-11 11:38:40 -07:00
540d2cdddb
[tests/buffer] Revert unintended whitespace changes
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From 9e5538d6a3
2020-10-09 22:27:55 -06:00
04658ec48f
[tests/buffer] Update tests for previous commit
2020-10-09 22:27:55 -06:00
7c0bc0bb92
Serialize invalid buffer to !! (text) or [] (json)
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There is no generic deserialize - you have to choose glyphs or unicode - so there is no way to deserialize this buffer.
2020-10-09 22:27:55 -06:00
150f391438
Prohibit mixed glyphs/unicode buffers in deserialization
2020-10-09 22:27:55 -06:00
3d3c87e7e7
Put the flags back in and serialize clusters.
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Note that now JSON glyph buffers and Unicode buffers look very similar, except for the g/u property difference.
2020-10-09 22:27:55 -06:00
432a05b2af
(Simple) tests for Unicode serialization/deserialization
2020-10-09 22:27:55 -06:00
be33704c00
Add gpos 5 tests to meson build file.
2020-10-09 16:46:46 -07:00
3a0b05faf1
[subset] GPOS 5 MarkToLigature subsetting support
2020-10-01 15:59:16 -07:00
010accb3d5
[subset] Add additional test cases for the Amiri tests.
2020-09-28 17:39:09 -07:00
3271a7cdaa
[subset] Remove redundant langys from Amiri test font.
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FontTools removes these when subsetting but harfbuzz does not yet support redundant langsys removal. So this gets the Amiri tests passing for now.
2020-09-28 16:46:15 -07:00
9fad540245
[subset] check that sub rules in ContextFormat 1 and 2 intersect the glyphs set before recursing during closure lookups.
2020-09-28 13:24:25 -07:00
7b77ce0507
[subset] Add subsetting integration test using Amiri.
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Demonstrates a failure in subsetting GPOS 8/GSUB 6.
2020-09-24 16:35:59 -07:00
7a72b20aa2
[subset] Subset GDEF during layout subsetting tests.
2020-09-24 15:58:48 -07:00
1f8b1e7f18
[ENOMEM] Return gracefully if stages isn't initialized correctly ( #2639 )
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This happens if calls to 'm.lookups[table_index].push ()' has been
silently failed due to lack of memory.
This change just returns gracefully instead issuing the assert.
Fixes https://crbug.com/oss-fuzz/24494
2020-09-21 11:39:38 +03:30
bbbcad0dbb
Revert "[ENOMEM] don't perform set process operations if the other set is in an error state."
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This reverts commit f3929abafe
2020-09-16 12:23:38 -06:00
f3929abafe
[ENOMEM] don't perform set process operations if the other set is in an error state.
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Running a process while the other set is in an error state can potentially corrupt this sets map map (for example by overwritting all of the major values with 0).
2020-09-16 10:36:30 -07:00
584d3a43b2
Merge pull request #2681 from khaledhosny/myanmar-liga
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[myanmar] Don’t disable liga feature
2020-09-16 15:08:50 +01:00
7d64b09765
[myanmar] Don’t disable liga feature
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This seems to have been carried over from the Indic shaper, but
Uniscribe enables it by default.
See https://github.com/harfbuzz/harfbuzz/issues/2213#issuecomment-686062915
2020-09-12 21:45:19 +02:00
8c3d4de796
[subset] Fix integer underflow in ContextFormat2.
2020-09-11 15:52:46 -07:00
91fe20f0f5
Disambiguate OT tags when primary tag is not first
2020-09-08 09:20:00 -04:00
e3db84a9d0
[use] Test CGJ and ZWNJ
2020-09-02 15:51:15 -07:00
9825e3dd2e
[ENOMEM] fix access to unitialized memory.
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If the serialize() call fails to write the object then we can't safely read varstore_prime fields. Fixes https://oss-fuzz.com/testcase-detail/5137462782066688 .
2020-09-02 11:01:07 -07:00
420a74f772
[USE] Fix assertion failure for joining scripts
2020-08-28 14:11:48 -04:00
1e48225ca3
[ENOMEM] Check whether serialize context isn't in error
2020-08-13 23:22:14 +04:30
6e32145dc9
[meson] Make compatbile with 0.47.0
2020-08-13 18:28:42 +04:30
9562239f05
[ENOMEM] check for error in lookup visited set.
2020-08-13 01:43:11 +04:30
6f754852c1
[ENOMEM] skip asserts in to_bias if serializer is in an error state.
2020-08-12 11:25:30 +04:30
057769b1a3
[fuzzer] minor
2020-08-12 02:40:55 +04:30
0417938011
[fuzzer] Mark alloc_state as unused
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It is really unused when failing-alloc isn't on.
2020-08-12 02:40:55 +04:30
5193357832
Revert "Remove autotools build support"
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This reverts commit 01ac32aab2
2020-08-11 23:51:59 +04:30
ffe06c8f04
[glyf] Guard all the public APIs against null pool runs
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Fixes https://crbug.com/oss-fuzz/24575 and https://crbug.com/oss-fuzz/24737
2020-08-08 13:43:49 +04:30
01ac32aab2
Remove autotools build support
2020-08-07 23:28:12 +04:30
679fac87df
Skip hb_shape if buffer object is immutable
2020-08-06 23:47:35 +04:30
ec17b62457
[var] Apply variations on empty glyphs
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It was ignoring empty glyphs for no good reason, this fixes it.
Fixes #2618
2020-08-06 20:16:11 +04:30
18ab8029d5
[ENOMEM] check vector status in cmap subsetting.
2020-08-02 00:30:17 +04:30
06dbb6acbb
[ENOMEM] in GSUB ChainContext subsetting check maps for allocation errors.
2020-08-01 09:21:22 +04:30
fb1477795c
[ENOMEM] Check result of vector resize in CBDT subsetting.
2020-08-01 09:20:52 +04:30
efd716de3f
[cff] Check for scalars array resize result
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24504
2020-07-31 09:27:27 +04:30
040ed094ef
[ENOMEM] popragate packed/packed_map errors to the serializer.
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Will disable further modifications based on a bad state.
2020-07-31 08:39:26 +04:30
Garret Rieger
Behdad Esfahbod
Qunxin Liu
Khaled Hosny
justvanrossum
David Corbett
Khaled Hosny
Simon Cozens
ebraminio
David Corbett