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11628 Commits

Author SHA1 Message Date
Behdad Esfahbod 499248c533 [blob] Use min_size, instead of null_size in .as<T>() 
Part of https://github.com/harfbuzz/harfbuzz/pull/2067
 2021-04-16 13:14:48 -06:00
Khaled Hosny a4fb5da984 [ci] Enable DirectWrite in win32 tarballs 2021-04-16 09:38:44 -06:00
Khaled Hosny f2240d12c2 [ci] Use -j2 for make and ninja in distcheck job 
Lets see if this makes it faster without crashing gcc.
 2021-04-15 18:47:51 -06:00
Khaled Hosny f5c922b709 [ci] Try to stop distcheck job from crashing gcc 2021-04-15 18:47:51 -06:00
Khaled Hosny e116058bba [directwrite] Use correct UTF-16 string length 
Fixes https://github.com/harfbuzz/harfbuzz/issues/2474
 2021-04-15 09:30:40 -06:00
Ben Denckla 668acff1f0 similarly improve comments on Hebrew ccc 18 & 19 
Should have committed this along with commit 9658435a25 but forgot.
 2021-04-13 11:01:22 -06:00
Ben Denckla 43d955207b improve comments on Hebrew ccc 18 & 19 
improve comments to reflect that:
ccc 18 includes both "flavors" of qamats: qamats [gadol] and qamats qatan
ccc 19 includes both "flavors" of holam: holam [not haser for vav] and holam haser for vav
This code and its comments may have been written before these code points were added to Unicode.
I.e. originally, these comments may have been complete, but they may have become incomplete in the meantime.
 2021-04-13 11:01:22 -06:00
Ambient Lighter 4cc4cd3b24
[docs] Fix spelling typo (#2945) 2021-04-10 14:11:23 +03:00
Qunxin Liu 9dc9f0385d [subset] fix for fuzzer testcase: https://oss-fuzz.com/testcase-detail/5858518134554624 2021-04-09 11:07:28 -06:00
Qunxin Liu 430a67ceab [subset] COLRv1 struct definitions 2021-04-08 11:27:01 -06:00
Qunxin Liu 553ffaf682 [subset] fix for fuzzer testcase: https://oss-fuzz.com/testcase-detail/6382598554255360 
avoid writing to null pointer
 2021-04-08 09:54:48 -06:00
Qunxin Liu 4af5dacedc [subset] add fuzzer testcase 2021-04-07 13:02:04 -06:00
Garret Rieger 8b686afeb5 [subset] add unlikely(). 2021-04-06 12:34:44 -06:00
Garret Rieger 64122b5a44 [subset] don't visit lookup if covered glyph set has failed. 
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
Garret Rieger 4ec18c85e6 [subset] add subsetting tests with drop hints and layout subsetting enabled. 2021-04-06 11:50:44 -06:00
Garret Rieger 6f98a8ed46 [subset] Anchor should only use format 1 when hints are dropped. 
Refactor Anchor to have a subset method instead of copy. This also allows
use to use serialize_subset in several places which simplifies calculating
offset bases.
 2021-04-06 11:50:44 -06:00
Garret Rieger 71d6d15600 [subset] clamp distance to prevent shifting outside of the limits of int64. 
Fixes https://oss-fuzz.com/testcase-detail/4961171477233664.
 2021-04-06 11:48:39 -06:00
Khaled Hosny fcacd17748 [ot] Update _hb_glyph_info_is_default_ignorable_and_not_hidden() 
Used _hb_glyph_info_substituted() similar to the change made to
_hb_glyph_info_is_default_ignorable() in
7686ff854b.
 2021-04-06 11:47:06 -06:00
Garret Rieger 596f4258d0 [subset] copy Lookup::markFilteringSet when subseting. 2021-04-02 15:33:52 -06:00
Behdad Esfahbod d3a2f999e4 Fix up build 
This was left out; oops.
 2021-04-02 08:33:03 -06:00
Garret Rieger c35d786397 [subset] never drop the 'pref' feature. 
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
Behdad Esfahbod 092094f705 Use as_array() and range loops in a few places 2021-04-01 16:02:54 -06:00
Garret Rieger 55e7f3fe32 [subset] Match FeatureVariationRecord dropping from fontTools. 
Only drop records with no matching features that are at the end of the list. See: cab7d13dc0
 2021-04-01 15:26:02 -06:00
Garret Rieger f0c78e0282 [subset] don't drop features referenced in a feature variation substitution. 2021-04-01 15:26:02 -06:00
Garret Rieger dae99b7769 [subset] don't keep FeatureVariationRecord's with no subsittutions. 2021-04-01 15:26:02 -06:00
Garret Rieger 85b0728783 Add full variable font subsetting test. 2021-04-01 15:26:02 -06:00
Behdad Esfahbod c4b49075f6 Update CMakeLists.txt 
Keep the warning.
 2021-04-01 11:47:33 -06:00
Timo Suoranta 9945f32746 Test fix to export target include directories 2021-04-01 11:47:33 -06:00
Garret Rieger 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
Garret Rieger 2773d05740 [subset] Add a test case using NotoNastaliqUrdu. 2021-03-31 21:03:33 -06:00
Garret Rieger 8ef4257dc8 [sanitize] change max ops to track number of bytes processed. 
Counting bytes as the operations is likely to be a better proxy for how
much work processing the table will cost vs. the current approach of
counting the number of sub-objects.

This should allow checks for max features, max scripts, etc. to be removed.

I tested this change against the full collection of fonts at https://github.com/google/fonts
and a max ops factor of 3 was sufficient to successfully sanitize all of them.
 2021-03-31 19:03:30 -06:00
Behdad Esfahbod 70110f6aaa Modify OffsetTo<>::sanitize() overflow check 
The code in question was introduced in 70eb2ff682.
Rewrite it to not call sanitizer check_range() as we want to use
check_range() for byte accounting.

Part of https://github.com/harfbuzz/harfbuzz/pull/2923
 2021-03-31 17:04:02 -06:00
Behdad Esfahbod 4dba749d83 Add SortedArray{16,32}Of<> 2021-03-31 16:09:39 -06:00
Behdad Esfahbod 5639e253f9 Add Array16Of<> 2021-03-31 16:04:43 -06:00
Behdad Esfahbod 2520a82df9 s/LArrayOf/Array32Of/g 2021-03-31 15:41:54 -06:00
Behdad Esfahbod 5efe360986 Rename (Unsized)OffsetListOf 2021-03-31 15:33:22 -06:00
Behdad Esfahbod 6c4e0491d7 s/OffsetArrayOf/Array16OfOffset16To/g 2021-03-31 15:31:32 -06:00
Behdad Esfahbod 1fc6b69aed s/UnsizedOffsetArrayOf/UnsizedArray16OfOffsetTo/g 2021-03-31 15:30:35 -06:00
Behdad Esfahbod 2a54c9f744 . 2021-03-31 15:26:42 -06:00
Behdad Esfahbod c539afb08b [CFF] Use NNOffsetTo<> instead of OffsetTo<> 
I'm pretty sure that's what is intended.
 2021-03-31 13:28:25 -06:00
Behdad Esfahbod 9b4b58493b Fixup for recent OffsetTo<> changes 2021-03-31 13:27:21 -06:00
Behdad Esfahbod ad28f973f3 Rename offset types to be explicit about their size 
Add Offset16To<>, Offset24To<>, and Offset32To<> for most use-cases.
 2021-03-31 13:00:07 -06:00
Garret Rieger c5c13006a1 [subset] fix memory leaks found in https://oss-fuzz.com/testcase-detail/5179935334465536 2021-03-31 12:37:45 -06:00
Behdad Esfahbod bd2950b393 Make VariationStore::get_delta(outer, inner) private 2021-03-31 11:36:36 -06:00
Behdad Esfahbod 934675a429 Use VarIdx in VariationDevice 2021-03-31 11:34:41 -06:00
Behdad Esfahbod 0f7f7536b9 [hvar] Change variation-index types from "unsigned int" to uint32_t 2021-03-31 11:31:49 -06:00
Behdad Esfahbod 9ffc46b8ff Add VarIdx 2021-03-31 11:26:18 -06:00
Behdad Esfahbod 2179281c40 Add Offset24 2021-03-31 11:20:21 -06:00
Behdad Esfahbod b3159ed8d2 [util] Silence compiler warning 2021-03-30 20:52:56 -06:00
Andrzej Perczak cab9d5a57d hb-config: Include config-override earlier 
Currently config-override.h is included at the end of this file. This caused a problem for me while undefing HB_DISABLE_DEPRECATED, namely HB_IF_NOT_DEPRECATED was defined before actual undef took place and broke the whole build. I believe it would break builds for some other defines, too. Moving config-override.h include right after predefined configs is more sane and fixes all potential problems with includes.
 2021-03-30 20:50:02 -06:00