6c459c8fef
Minor
2012-08-02 03:45:53 -04:00
1336ecdf8e
[GSUB/GPOS] Use Coverage digests as gatekeeper
...
Gives me a good 10% speedup for the Devanagari test case. Less so
for less lookup-intensive tests.
For the Devanagari test case, the false positive rate of the GSUB digest
is 4%.
2012-08-01 21:46:36 -04:00
c2e42c3db6
Minor
2012-07-30 19:54:50 -04:00
03f67bc012
More refactoring glyph class access
2012-07-30 19:47:53 -04:00
300c7307eb
[OT] Don't crash if no GDEF available
2012-07-30 19:37:44 -04:00
05bd1b6342
[GSUB/GPOS] Move glyph props matching around
2012-07-30 19:30:01 -04:00
2fca1426ca
[GSUB] Don't erase glyph classes if GDEF does not have glyph classes
2012-07-30 18:46:41 -04:00
7fbbf86efe
[GSUB] Minor
2012-07-30 18:36:42 -04:00
fe20c0f84f
[GSUB] Fix mark component stuff when ligatures form ligatures!
...
See comments.
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=437633
2012-07-30 00:00:59 -04:00
e6f7479fe3
[GSUB] Simplify would-apply
2012-07-28 18:34:58 -04:00
0b99429ead
[GSUB/GPOS] Add get_coverage() and use it to speed up main loop
...
And use it to speed up the hotspot by checking coverage directly in
the main loop, not 10 functions deep in.
Gives me a solid 20% boost with Indic test suite. Less so for less
lookup-intensive scenarios.
Remove the "fast_path" hack from before.
2012-07-28 17:46:35 -04:00
0981068b75
[GSUB/GPOS] Reject Context/ChainContext lookups with zero input
2012-07-28 17:01:59 -04:00
ec8d249469
Make data members of various OpenType structs protected instead of private
...
Should fix warnings generated when building with -Wunused-private-field.
Based on patch from Jonathan Kew.
2012-07-24 15:40:37 -04:00
49c5ec5144
Minor refactoring
2012-07-23 20:14:13 -04:00
c3e6fdc379
[Indic] Improve check on ligatures
...
Only skip actual ligatures, not marks in-between ligature components.
2012-07-23 20:11:42 -04:00
d1af9e82e5
[GSUB/GPOS] Const correctness
2012-07-23 19:55:35 -04:00
8932858123
Minor
2012-07-19 21:02:38 -04:00
e72b360ac6
Refactor / finish would_apply() operation
...
Untested.
2012-07-19 14:44:46 -04:00
60da763dfa
[GSUB/GDEF] Guess glyph classes after substitution only if no GDEF
...
Brings down Khmer failures with Daun Penh font from 36% to 20%.
2012-07-16 16:14:40 -04:00
6d08c7f1b3
Revert "Towards templatizing common Lookup types"
...
This reverts commit 727135f3a9
2012-07-11 18:01:27 -04:00
727135f3a9
Towards templatizing common Lookup types
2012-07-11 18:00:28 -04:00
b12e2549cb
Minor
2012-06-09 03:05:20 -04:00
f19e0b0099
Match input before backtrack
...
Makes more sense, optimization-wise.
2012-06-09 02:26:57 -04:00
ce47613889
Micro-optimize
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I know...
2012-06-09 01:43:15 -04:00
7b84c536c1
In MarkBase attachment, only attach to first of a MultipleSubst sequence
...
This is apparently what Uniscribe does. Test case is:
SEEN FATHA TEH ALEF
with Arabic Typesetting. Originally reported by Khaled Hosny.
2012-06-08 22:04:23 -04:00
e085fcf7ca
Remove unused buffer->replace_glyphs_be16
2012-06-08 21:45:00 -04:00
3ec77d6ae0
Don't use replace_glyphs_be for MultipleSubst
2012-06-08 21:44:06 -04:00
4b7192125f
Minor
2012-06-08 21:41:46 -04:00
68b76121f8
Fix regressions introduced by sed. Ouch!
...
Introduced in 99c2695759
2012-06-08 10:47:00 -04:00
2a3d911fe0
Fix alignment-requirement missmatch
...
Detected by clang and lots of cmdline options.
2012-06-07 17:31:46 -04:00
ed2f1363a3
Fix substitution glyph class propagation
...
The old code was doing nothing.
Still got to find an example font+string that makes this matter, but
need this for fixing synthetic GDEF anyway.
2012-05-22 22:12:22 -04:00
99c2695759
Add accessort to buffer for current info, current pos, and prev info
2012-05-13 15:45:18 +02:00
6736f3c5b0
Minor
2012-05-13 15:21:06 +02:00
5df809b655
[GSUB/GPOS] Remove context_length
...
The spec doesn't say contextual matching should be done this way,
and AOTS doesn't do it either. It was inherited from old HarfBuzz.
Remove it.
2012-05-13 15:17:51 +02:00
28b9d502bb
Minor
2012-05-13 15:04:00 +02:00
5f131d3226
[GSUB/GPOS/Indic] Apply GSUB/GPOS within syllables only
...
This does not apply to the context matchings.
This regresses tests right now. And we are not sure whether this is
the right thing to do for GPOS. But we'll figure out.
2012-05-11 17:29:40 +02:00
8fd83aaf6e
[GSUB/GPOS] Fix wrong buffer access in backward skippy mask matching
2012-05-11 17:18:37 +02:00
203d71069c
[GSUB/GPOS] Check all glyph masks when matching input
2012-05-11 16:01:44 +02:00
cee7187447
[Indic] Move syllable tracking from Indic to generic layer
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This is to incorporate it into GSUB/GPOS processing.
2012-05-11 11:41:39 +02:00
55fe2cf79b
Make APPLY debug output print current index and codepoint
...
Yay!
2012-05-11 03:56:33 +02:00
98619ce4fa
Minor
2012-05-11 02:34:06 +02:00
acea183e98
Add return annotation for APPLY
2012-05-11 02:33:11 +02:00
0ab8c86217
Annotate SANITIZE return values
...
More to come, for APPLY, CLOSURE, etc.
2012-05-11 02:11:52 +02:00
6f45538017
More massaging trace messaging
2012-05-10 23:24:43 +02:00
208109703c
Better trace message support infrastructure
...
We have varargs in the trace interface now. To be used soon...
2012-05-10 23:06:58 +02:00
a9844d41c6
Combine lig_id and lig_comp into one byte, to free up one for Indic
2012-05-09 17:53:13 +02:00
5caece67ab
Make closure() return void
2012-04-23 23:03:12 -04:00
5b93e8d94f
Update copyright headers
2012-04-23 22:26:27 -04:00
6a9be5bd35
Rename hb_glyph_map_t to hb_set_t
2012-04-23 22:23:17 -04:00
31081f7390
Implement closure() for Context and ChainContext lookups
2012-04-23 16:54:58 -04:00
3e32cd9570
Minor
2012-04-23 13:22:50 -04:00
650ac00da3
Minor refactoring
2012-04-23 13:17:09 -04:00
f94b0aa646
Add "closure" operation stubs to GSUB
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Filling in.
2012-04-23 13:04:38 -04:00
41ae674f68
Don't create hb_apply_context_t per glyph!
...
I couldn't measure significant performance gains out of this; maybe
about 5% (with one million Malayalam strings). Still, not bad.
But reminds me that optimizing this codebase without profiling first
is simply not going to work. Oh well...
2012-04-11 17:13:50 -04:00
03408ce73d
Fix more possible buffer overruns
...
I have this function, but can't clean up it to my satisfaction.
2012-01-18 21:28:34 -05:00
7d479900cd
Refactor the two remaining uses of _hb_ot_layout_skip_mark()
2012-01-18 21:19:32 -05:00
506ffeb8e7
Further mark skippy fixes from Jonathan Kew
...
We should be in good shape now.
2012-01-18 16:07:53 -05:00
a4a48fe6d4
Fix mark skipping regression
...
Ouch!
2012-01-17 18:08:41 -05:00
4ab9731154
Refactor mark skipping
2012-01-16 22:20:31 -05:00
370f03e9c6
Minor
2012-01-16 17:06:59 -05:00
4d3aeb8cb2
[GSUB/GPOS] Fix mark skip indexing issues
...
Mozilla bug 701637 and 714067 combined.
Patch from Jonathan Kew.
2012-01-16 16:43:26 -05:00
7a750ac33e
Rename table files from eg maxp-private.hh to maxp-table.hh
2011-08-17 14:19:59 +02:00
c605bbbb6d
Remove C++ guards from source files
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Where causing issues for people with MSVC.
2011-08-04 20:00:53 -04:00
cc06c243d8
Streamline debugging infrastructure even more
2011-07-25 20:34:17 -04:00
651e8dd79e
Start cleaning up buffer var allocation
...
I've messed up a lot of stuff recently, different parts of the
shaping process are stumbling on eachother's toes because
manually tracking what's in which buffer var is hard. I'm
going to add some internal API to track those such that mistakes
are discovered as soon as they are introduced.
2011-07-25 14:54:08 -04:00
18c42850c9
Shrink space used for ligature ids
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This frees 16bits in the glyph_info struct during the ot_layout process.
We can use the freed space in the shapers now.
2011-07-25 00:43:39 -04:00
d8787493c9
Minor
2011-07-25 00:36:01 -04:00
468e9cb25c
Move buffer methods into the object
2011-07-22 14:49:14 -04:00
744970af4d
[API] Add support for vertical text
...
Design not final yet, and in fact I'm going to change it immediately,
but this is an standalone change for itself.
2011-05-17 17:12:34 -04:00
abcfe9b59b
Remove hb_ot_layout_context_t, simplify code
2011-05-11 00:02:02 -04:00
2409d5f8d7
Update Copyright headers
2011-04-21 17:14:28 -04:00
cc1a8a938b
Fix ChanContext backtrack matching with GPOS
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Reported on mailing list by Keith Stribley and Khaled Hosny.
2011-01-06 14:58:52 -05:00
7eb875118d
Mozilla Bug 618592 - freeze on typekit
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Fix apply_lookup() for zero-input broken fonts.
2010-12-13 14:13:35 -05:00
300cb41417
Add XXX marks
2010-11-17 12:57:23 -05:00
11e3ec444a
Fix a few more "unreachable code" warnings
2010-11-03 15:11:04 -04:00
2304856340
Remove another couple lines of dead code
2010-11-03 12:47:27 -04:00
c2709119c8
Move things around some more
2010-11-02 19:12:59 -04:00
8c69e65abe
Rename lookup_flags to lookup_props since it's more than just flags
2010-11-02 19:12:59 -04:00
98370e89d1
WIP removing external synthesized GDEF support and implementing it internally
2010-11-02 19:12:58 -04:00
8eeed7eddc
Remove LONGTERMTODO item that I'll never fix
2010-10-27 12:07:49 -04:00
acdba3f90b
Prefer C linkage
2010-07-23 15:39:27 -04:00
f7acd8df51
Do alternate glyph selection!
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Kinda hand-wavy right now. Not tested.
2010-05-20 17:26:35 +01:00
36b73c80df
Shortening buffer accessors: rename buffer->in_pos to buffer->i
2010-05-14 22:10:39 -04:00
29427c5c51
Shortening buffer accessors: rename buffer->out_length to buffer->out_len
2010-05-14 22:08:22 -04:00
6960350be9
Shortening buffer accessors: rename buffer->in_length to buffer->len
2010-05-14 22:07:46 -04:00
9d5e26df08
Shortening buffer accessors: rename buffer->out_string to buffer->out_info
2010-05-14 22:03:11 -04:00
7e7007a1c9
Shortening buffer accessors: rename buffer->in_string to buffer->info
2010-05-14 22:02:37 -04:00
8e6b6bb293
Merge buffer->out_pos and buffer->out_length
2010-05-14 21:58:22 -04:00
22f668eb9a
Remove the unused BUFFER macro
2010-05-14 21:41:04 -04:00
7e53ebe478
Remove the IN_CURGLYPH() macro
2010-05-14 21:38:46 -04:00
d784da1923
Remove the IN_CURINFO() macro
2010-05-14 21:37:18 -04:00
281f59b4fb
Remove IN_INFO() and IN_NEXTGLYPH() macros
2010-05-14 21:34:22 -04:00
6e489cdf76
Remove the IN_GLYPH() macro
2010-05-14 21:07:35 -04:00
27da6dd89a
Remove OUT_GLYPH() and OUT_INFO() macros
2010-05-14 20:17:50 -04:00
cc6ae7ff91
Fix lookahead matching. Oops!
2010-05-14 20:09:48 -04:00
d7cfb3b2d1
s/\<context\>/c/g
2010-05-13 14:18:49 -04:00
1d5e780136
Add a few other buffer methods
2010-05-12 23:43:00 -04:00
22da7fd94d
Rename a few files to be C++ sources
...
In anticipation for buffer revamp coming.
2010-05-12 18:23:21 -04:00
458ecbb60b
Fix tracing order
2010-05-10 21:11:35 -04:00
dacebcadae
Simplify unions
2010-05-10 19:45:41 -04:00
0eb9fc6e37
Change DEFINE_SIZE_VAR to DEFINE_SIZE_ARRAY
2010-05-10 19:01:17 -04:00
596e471aa5
Cleanup DEFINE_SIZE_VAR2
2010-05-10 18:48:29 -04:00
b961518b96
Simplify array access
2010-05-10 18:20:54 -04:00
ed07422c33
Further cleanup of sizeof
2010-05-10 18:08:46 -04:00
40cbefe858
Remove unnecessary casts
2010-05-10 17:47:22 -04:00
bea34c7cbb
Further cleanup of DEFINE_SIZE
2010-05-10 17:28:16 -04:00
b3651231bf
Remove ASSERT_SIZE in favor of the safer DEFINE_SIZE_STATIC
2010-05-10 16:59:57 -04:00
569da92bc6
Cleanup ASSERT_SIZE_VAR
2010-05-10 16:46:36 -04:00
e45d3f86f9
Start cleaning up get_size()
...
So we know when the size is static and when dynamic.
2010-05-06 19:33:31 -04:00
b157617644
Remove the last of SANITIZE macros: SANITIZE_SELF
2010-05-06 14:48:27 -04:00
4f252fedc7
Remove SANITIZE macro
2010-05-06 13:30:23 -04:00
41a93d2c1f
Remove SANITIZE_WITH_BASE
2010-05-06 12:55:14 -04:00
f5fab0c718
Remove SANITIZE_MEM
2010-05-06 10:26:52 -04:00
1cd1e117d0
Remove SANITIZE_ARRAY
2010-05-05 20:15:14 -04:00
583d7f9586
Cosmetic
2010-05-05 01:49:22 -04:00
705e215268
Minor
2010-05-05 01:40:25 -04:00
4169710911
Simplify chaining
2010-05-05 01:37:58 -04:00
1911b9d21b
Remove APPLY_ARG_DEF and APPLY_ARG
2010-05-05 01:32:04 -04:00
6c42cddfe5
Port apply to use hb_trace_t
2010-05-05 01:30:48 -04:00
969c9705ae
Move context_length into apply_context
2010-05-05 01:23:44 -04:00
94a23aaeca
Move buffer into apply_context
2010-05-05 01:13:09 -04:00
63493f956d
Move layout_context into apply_context
2010-05-05 01:01:05 -04:00
fff9aa263d
Minor
2010-05-05 00:32:21 -04:00
39840474af
Remove SANITIZE_ARG_DEF and SANITIZE_ARG
2010-05-05 00:23:19 -04:00
bb029af943
Remove SANITIZE_THIS
2010-05-04 15:28:52 -04:00
4d4cce9626
Remove SANITIZE_THIS2
2010-05-04 14:57:55 -04:00
26bfcb64e4
Cosmetic
2010-05-04 14:49:45 -04:00
be74284673
Remove SANITIZE_THIS3
2010-05-04 14:47:05 -04:00
64d3fc8d0d
Cosmetic: Rename HB_LIKELY/HB_UNLIKELY to likely/unlikely
2010-05-03 22:51:19 -04:00
33d13fdda9
Rename HB_GNUC_UNUSED -> HB_UNUSED
2010-04-29 13:56:44 -04:00
7d3a126334
Define HB_FUNC for portability to non-gcc
2010-04-29 13:54:01 -04:00
6617eada95
Rename apply_context -> context
2010-04-29 02:25:30 -04:00
b4c7fab762
Rename
2010-04-29 02:24:25 -04:00
1376fb7bf9
[apply] Use a context object to reduce number of parameters passed around
2010-04-29 02:19:21 -04:00
173fde7087
Further simplify tracing
2010-04-29 01:47:30 -04:00
bc20045743
Simplify trace code
2010-04-29 01:40:26 -04:00
807c5b03a2
[sanitize] Make debug code always available to the compiler
...
Such that we don't break debug build all the time.
2010-04-28 23:28:07 -04:00
74e313c016
[gsubgpos] Make debug code always available to the compiler
...
Such that we don't break debug build all the time.
2010-04-28 15:15:09 -04:00
a92f0fda7f
Fix debug build
2010-04-28 13:09:40 -04:00
efb324a46f
Remove GET_FOR_DATA macros
...
The major-version check is now handled by sanitize. If major
doesn't match, we reject and fall back to the Null object.
2010-04-23 16:28:27 -04:00
d632ec4000
Cosmetic
2010-04-22 18:42:05 -04:00
a3263aa773
Convert the last set of cast macros to templates
2010-04-22 18:42:01 -04:00
3b2c2df41b
Cleanup Extension sanitize()
2010-04-22 16:51:42 -04:00
1856184b93
Fail sanitize on major version mismatch
...
We handle major-version differences via get_for_data(), so sanitize
should never see a major version mismatch.
2010-04-22 14:21:17 -04:00
9fc8684fd8
Cleanup ContextFormat3 sanitize
2010-04-22 13:37:58 -04:00
81f2af40f9
Simplify Extension offset now that our int types have no alignment
2010-04-22 00:58:49 -04:00
c755cb3e3a
Change header comment
2010-04-22 00:11:43 -04:00
0dfcc13a46
Rename ConstCharP to CharP (overloaded now)
2010-04-21 23:41:26 -04:00
2cb08458f6
Rename const_array() to array() (overloaded)
2010-04-21 22:37:31 -04:00
e961c86c57
Convert NEXT() and ARRAY_AFTER() macros to templates
2010-04-21 15:56:11 -04:00
Behdad Esfahbod