Behdad Esfahbod
1945b400da
[cpluscplus] Wrap hb-subset types as well
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Also changes signature of get_user_data of hb.h types to take const
object. This is safe.
2022-07-25 10:45:55 -06:00
Behdad Esfahbod
0722b627f4
[buffer] Return delta from sync_so_far
2022-07-24 17:35:44 -06:00
Behdad Esfahbod
c55c019771
[buffer] Add assertions of buffer sync status to message_impl
2022-07-24 16:30:33 -06:00
Behdad Esfahbod
da9edce84c
[buffer] Add sync_so_far()
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This removes separate out-buffer, at the cost of possibly changing
idx.
2022-07-24 16:30:19 -06:00
Khaled Hosny
98e90cc67c
[docs] Reduce warnings
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Use markdown syntax for inline code blocks instead of %true, %false, and
%NULL.
2022-06-30 08:44:40 +02:00
Behdad Esfahbod
689c77530a
[buffer] Actually remove TODO item
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In reality, one side is smaller and one side is larger. The existing code
handles that just fine.
2022-06-10 07:37:45 -06:00
Behdad Esfahbod
d09e962b9f
[buffer] Update a TODO item
2022-06-10 07:36:43 -06:00
Behdad Esfahbod
f78a25098a
[gi] Remove Xconstructor annotations
2022-06-05 00:55:35 -06:00
Behdad Esfahbod
55b911d863
[buffer] Mark getter functions as taking const buffer
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Fixes https://github.com/harfbuzz/harfbuzz/issues/2873
2022-06-01 08:13:06 -06:00
Behdad Esfahbod
e246723f0c
[shape] Fail shaping internally if buffer ops exceeded
2022-06-01 05:00:06 -06:00
Behdad Esfahbod
9c0c31dfaa
[buffer] When deleting glyphs, check cluster backwards as well
2022-06-01 04:52:10 -06:00
Behdad Esfahbod
f7f61aeb6f
[buffer] Add TODO item
2022-06-01 04:48:59 -06:00
Behdad Esfahbod
9a2a857043
[ot-shape] Don't verify buffer if shaping failed
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Fixes all of fuzzing verify failures, which were result of buffer failure
on super-long results, which fails unsafe-to-break because shorter strings
don't fail shaping.
2022-05-31 06:35:42 -06:00
Behdad Esfahbod
2e186d9f24
[buffer] Improve hash function of segment_properties_t
2022-05-20 13:19:48 -06:00
Behdad Esfahbod
d35c73cd37
[buffer] Whitespace
2022-03-22 13:09:50 -06:00
Behdad Esfahbod
03085132ba
[buffer] Fix out-buffer under memory-alloc failure
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This was broken in July refactoring of the buffer, and exposed to
ReverseChainSingleSubstFormat1 in 3807061d63
Fixes:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38800
https://bugs.chromium.org/p/chromium/issues/detail?id=1303552
2022-03-21 18:09:06 -06:00
Behdad Esfahbod
b263371b09
Merge pull request #3398 from harfbuzz/buffer-verify
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Add HB_BUFFER_FLAG_VERIFY
2022-02-12 15:06:47 -06:00
Khaled Hosny
98da330638
3.3.0
2022-01-31 18:39:06 +02:00
Behdad Esfahbod
7c704d8982
[buffer] Make hb_buffer_append() take a const argument
2022-01-28 13:53:44 -07:00
Behdad Esfahbod
d98a0fc88e
[buffer] Consolidate glyph-flags implementation
2022-01-22 11:53:18 -07:00
Behdad Esfahbod
f91ce56e08
[buffer] Add default cluster value in find_min_cluster
2022-01-22 11:53:18 -07:00
Behdad Esfahbod
56d081955c
[buffer] Rename _unsafe_to_break_set_mask to _infos_set_glyph_flags
2022-01-22 11:53:18 -07:00
Behdad Esfahbod
3122c2cdc4
[buffer] Add HB_GLYPH_FLAG_UNSAFE_TO_CONCAT
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Fixes https://github.com/harfbuzz/harfbuzz/issues/1463
2022-01-22 11:53:18 -07:00
Behdad Esfahbod
bea5369c6d
[buffer] Rename swap_buffers() to sync()
2022-01-04 10:52:05 -07:00
Behdad Esfahbod
d1e7df5c3f
[buffer] Add enter()/leave() pair around shape()
2022-01-04 07:32:04 -07:00
Behdad Esfahbod
43be5ba442
[buffer] Group shape-related members together
2022-01-04 07:26:53 -07:00
Behdad Esfahbod
52f5711ed0
[buffer] Add hb_buffer_create_similar()
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Fixes https://github.com/harfbuzz/harfbuzz/issues/1555
2022-01-03 11:57:42 -07:00
Behdad Esfahbod
f643b81ffc
[buffer] Clean up internal state bookkeeping
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hb_buffer_reset() was NOT resetting cluster_level. Ouch! Fix that.
Part of https://github.com/harfbuzz/harfbuzz/issues/1555
2022-01-03 11:45:31 -07:00
Behdad Esfahbod
36e9f467a4
[buffer] Overlay segment-properties in hb_buffer_append()
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Part of https://github.com/harfbuzz/harfbuzz/issues/1555
2022-01-03 11:23:14 -07:00
Behdad Esfahbod
6a66992842
Add hb_segment_properties_overlay()
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New API:
+ hb_segment_properties_overlay()
2022-01-03 11:21:29 -07:00
Behdad Esfahbod
1b78e04c78
[buffer] Add ::reverse_groups()
2021-12-10 12:45:43 -07:00
Behdad Esfahbod
4cd96e73e4
[buffer] Inline revers_range() / reverse()
2021-12-10 12:33:21 -07:00
Behdad Esfahbod
70f8c57e5c
[buffer] Rename find_min_cluster
2021-12-04 19:49:23 -08:00
Khaled Hosny
77eeec53a9
3.1.0
2021-11-03 23:31:03 +02:00
Behdad Esfahbod
da500568de
[API] Add hb_buffer_[sg]et_not_found_glyph() and --not-found-glyph
...
Instead of using gid=0 when a character is not found in the font,
client can now set a custom value. This is useful for shaper-driven
font fallback and to differentiate that from .notdef glyph.
Fixes https://github.com/harfbuzz/harfbuzz/issues/1360
2021-10-26 08:02:29 -06:00
Behdad Esfahbod
4b5a81f13c
[buffer] Fix hb_buffer_append() pre/post-context logic
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Part of https://github.com/harfbuzz/harfbuzz/pull/3150
2021-08-25 15:20:54 -06:00
Khaled Hosny
430224b1a0
[buffer] Handle pre/post-context in buffer_append
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Fixes https://github.com/harfbuzz/harfbuzz/issues/1843
2021-08-24 02:11:17 +02:00
Behdad Esfahbod
09c3b82f5e
[buffer] When shifting forward, leave no gap
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Trying to see if this fixes the fuzzer issue:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36236
2021-08-04 11:55:53 -06:00
Behdad Esfahbod
3e266e5f64
[buffer] Update comments
2021-07-12 17:36:36 -06:00
Behdad Esfahbod
3807061d63
[ot-layout] Don't remove_output() before reverse substitution
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No need anymore, because of new swap_buffers() semantics.
Just assert instead.
2021-07-12 17:36:22 -06:00
Behdad Esfahbod
10a9960f0a
[buffer] Restructure swap_buffers()
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Is more of a "commit" operation now. Will rename when ready.
2021-07-12 17:36:22 -06:00
Behdad Esfahbod
05c17787c4
[buffer] Rewind cursor in clear_output()
2021-07-12 16:55:08 -06:00
Behdad Esfahbod
69310f14a6
[buffer] Change nil buffer have_output to false
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Seems like a historical artefact that it was true.
2021-07-09 16:45:55 -07:00
Behdad Esfahbod
2337f0d047
Internally use hb_malloc/.../hb_free instead of malloc/.../free
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Redefining those stock names as macros was conflicting with gcc 10
headers.
Fixes https://github.com/harfbuzz/harfbuzz/issues/3044
2021-07-08 10:54:09 -07:00
Behdad Esfahbod
93e6a9bc4e
Revert "Remove unneeded buffer clear_output / remove_output calls"
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This reverts commit 06175b7143
.
One of the sanitizers is failing. Pushing again as PR to debug.
I have suspicions.
2021-06-15 15:38:49 -06:00
Behdad Esfahbod
06175b7143
Remove unneeded buffer clear_output / remove_output calls
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Made sure clear_output is always paired with swap_buffers.
Trying to see if we can move towards RAII-like buffer iterators
instead of the buffer keeping an iterator internally.
2021-06-15 14:33:27 -06:00
Behdad Esfahbod
c61ce962cf
[buffer] In hb_buffer_get_positions(), return NULL if inside message callback
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As discussed in https://github.com/harfbuzz/harfbuzz/issues/2468#issuecomment-645666066
Part of fixing https://github.com/harfbuzz/harfbuzz/issues/2468
2021-06-10 17:36:38 -06:00
Behdad Esfahbod
34a1204f10
[buffer] HB_NODISCARD output_glyph()
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Also, generalize and use replace_glyphs() in morx where output_glyph() was used
in a loop.
2021-03-15 16:01:35 -06:00
Behdad Esfahbod
b05e5d9a79
[buffer] HB_NODISCARD next_glyphs()
2021-03-15 14:08:08 -06:00
Behdad Esfahbod
05d2d37f9a
[buffer] HB_NODISCARD ensure()
2021-03-15 13:56:46 -06:00