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80 Commits

Author SHA1 Message Date
Behdad Esfahbod 0ddade44cf [syllabic] Merge various insert_dotted_circles implementations 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1810
 2021-01-18 12:00:58 -08:00
Simon Cozens 428c111f13 Fix spacing around casts 2020-11-17 09:05:40 +00:00
Simon Cozens f19018da41 Smaller issues from review 2020-11-17 09:05:40 +00:00
Simon Cozens b50099bff2 Trace reordering in pause functions 2020-11-17 09:05:40 +00:00
Khaled Hosny 7d64b09765 [myanmar] Don’t disable liga feature 
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
Ebrahim Byagowi 0558413f27 Minor, tweak spaces 2019-10-01 13:50:11 +03:30
Ebrahim Byagowi a0b4ac4dce Turn 8 spaces to tab across the project 
According to the current code style of the project
 2019-08-27 02:40:41 +04:30
Khaled Hosny da5118da77 [ot-shape] Enable abvm/blwm features by default 
Core Text seems to apply them to Latin text, but Uniscribe doesn’t.

See https://github.com/harfbuzz/harfbuzz/pull/1908#issuecomment-521819343
 2019-08-16 02:17:32 +02:00
Khaled Hosny 2164bd6f29
[ot-shape] Enable dist feature by default (#1908) 
Fixes https://github.com/harfbuzz/harfbuzz/issues/1907
 2019-08-16 00:28:41 +02:00
Behdad Esfahbod 3724f13ba0 [amalgam] Finish fixing Indic-like shapers 
Part of https://github.com/harfbuzz/harfbuzz/issues/1809
 2019-07-02 15:40:11 -07:00
Behdad Esfahbod d8b5353e07 [amalgam] More 
Part of https://github.com/harfbuzz/harfbuzz/issues/1809
 2019-07-02 15:09:26 -07:00
Behdad Esfahbod d115a9e022 [amalgam] Fix most duplicate-id instances in Indic-like shapers 
Part of https://github.com/harfbuzz/harfbuzz/issues/1809
 2019-07-02 14:58:52 -07:00
Behdad Esfahbod 7aad53657e [config] Add HB_NO_OT_SHAPE / HB_NO_OT 
Part of https://github.com/harfbuzz/harfbuzz/issues/1652
 2019-06-26 13:21:03 -07:00
Behdad Esfahbod 085793d6cd Remove wrong TODOs 2019-04-24 10:15:59 -04:00
Eric Muller 30d7c40f8c Add a flag to hb_buffer_t to prevent the insertion of dotted circles on incorrect character sequences. 
Current behavior unchanged if this flag is not set (and it isn't by default).
 2019-03-11 16:06:41 -07:00
Behdad Esfahbod 25f52f58c2 [myanmar] Remove myanmar_old shaper 
Over time it has become the same as default shaper.  So, remove.
 2018-11-22 14:41:01 -05:00
Behdad Esfahbod 17335a8161 Clean up buffer->swap_buffers() calls 
That function checks for buffer->successful already.  No need
to check at call site.
 2018-11-04 02:25:07 -05:00
Behdad Esfahbod 39bd07aed5 Fix bunch of unused parameter warnings 
Show up with gcc -O0.

There's a few more but those are functions that need to be filled in.

Maybe this is a lost battle...
 2018-10-26 21:22:26 -07:00
Behdad Esfahbod 982c2f4a65 [indic/khmer/myanmar/use] Clarify clear_syllable 
No logic change.
 2018-10-26 15:40:45 -07:00
Behdad Esfahbod bdb53ca24a [myanmar] Implement Zawgyi shaper 
Enabled if script tag 'Qaag' is passed to HarfBuzz.  Disables mark
advance-zeroing and fallback mark-positioning.

Fixes https://github.com/harfbuzz/harfbuzz/issues/1162
 2018-10-11 20:20:29 -04:00
Behdad Esfahbod 00c5c4a79d [myanmar] Shuffle 2018-10-11 20:15:31 -04:00
Behdad Esfahbod 0a371fee4d Minor 2018-10-02 14:48:39 +02:00
Behdad Esfahbod 48c513fec9 Minor 2018-10-02 14:19:34 +02:00
Behdad Esfahbod f048ead84a Some more 2018-09-24 18:04:17 -04:00
Behdad Esfahbod 1676f608c8 Minor refactoring 2018-09-24 18:04:17 -04:00
Behdad Esfahbod 3583fb03b1 Simplify ZWJ-skipping a bit 
Towards disabling ZWJ-skipping in certain GPOS contexts.

Part of https://github.com/flutter/flutter/issues/16886
 2018-09-23 22:33:38 -04:00
Behdad Esfahbod c77ae40852 Rename hb-*private.hh to hb-*.hh 
Sorry for the noise, downstream custom builders.  Please adjust.
 2018-08-25 22:36:36 -07:00
Behdad Esfahbod 7185b273b3 Rename in_error to !successful 
Towards possibly using Null pool for some nil objects.
 2018-05-31 20:03:34 -07:00
Ebrahim Byagowi f24b0b9728 Update the links and revive the dead ones 2018-04-12 13:44:32 +04:30
Behdad Esfahbod effddd03bd [myanmar] Add dump-myanmar-data 2018-02-13 21:38:15 -08:00
Behdad Esfahbod d830d3d244 [indic] Share some copy/pasta code 2018-02-13 19:01:03 -08:00
David Corbett ccb0367dae Let VS1 follow U+1031 MYANMAR VOWEL SIGN E 2018-02-02 12:41:07 -08:00
Behdad Esfahbod 7036f1d22c [ot] Remove shaper name 
In ten years we never used them...
 2017-10-27 14:42:59 -06:00
Behdad Esfahbod 7c561dacc3 [myanmar] Fix unsafe usage of FLAG_SAFE() 
The commit f559c63307 caused
"undefined-shift" errors in Myanmar shaper as we changed the
numeric value of type D from 19 to 32 there, making the
"FLAG_SAFE (info.myanmar_category())" wrong.

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3546
 2017-10-19 11:35:51 -07:00
Behdad Esfahbod dbdbfe3d7b Use nullptr instead of NULL 2017-10-15 12:11:08 +02:00
Behdad Esfahbod ab8d70ec70 [arabic] Implement Unicode Arabic Mark Ordering Algorithm UTR#53 
Fixes https://github.com/behdad/harfbuzz/issues/509
 2017-10-04 14:47:10 +02:00
Behdad Esfahbod f559c63307 [indic] Implement Consonent_With_Stacker 
Fixes https://github.com/behdad/harfbuzz/issues/528
 2017-10-03 15:20:07 +02:00
Behdad Esfahbod 9e005c5d86 [unsafe-to-break] Mark Indic-like clusters as unsafe-to-break 2017-08-10 20:10:53 -07:00
Ebrahim Byagowi 3b0e47ca00 Fix arm-none-eabi build (fixes #451) (#496) 2017-06-19 14:47:09 +04:30
Behdad Esfahbod e2b878055b Disable OTL processing for Hebrew if GPOS doesn't have Hebrew subtable 
New approach to fix this:
69f9fbc420

Previous approach was reverted as it was too broad.  See context:
https://github.com/behdad/harfbuzz/issues/347#issuecomment-267838368

With U+05E9,U+05B8,U+05C1,U+05DC and Arial Unicode, we now (correctly) disable
GDEF and GPOS, so we get results very close to Uniscribe, but slightly different
since our fallback position logic is not exactly the same:

Before:		[gid1166=3+991|gid1142=0+737|gid5798=0+1434]
After:		[gid1166=3+991|gid1142=0@402,-26+0|gid5798=0+1434]
Uniscribe:	[gid1166=3+991|gid1142=0@348,0+0|gid5798=0+1434]
 2016-12-22 14:43:23 -06:00
Behdad Esfahbod a2b03de5b3 [myanmar] Handle U+AA74..U+AA76 
Fixes https://github.com/behdad/harfbuzz/issues/218
 2016-05-06 17:56:07 +01:00
Behdad Esfahbod 8b5bc141cd Add get_nominal_glyph() and get_variation_glyph() instead of get_glyph() 
New API:
- hb_font_get_nominal_glyph_func_t
- hb_font_get_variation_glyph_func_t
- hb_font_funcs_set_nominal_glyph_func()
- hb_font_funcs_set_variation_glyph_func()
- hb_font_get_nominal_glyph()
- hb_font_get_variation_glyph()

Deprecated API:
- hb_font_get_glyph_func_t
- hb_font_funcs_set_glyph_func()

Clients that implement their own font-funcs are encouraged to replace
their get_glyph() implementation with a get_nominal_glyph() and
get_variation_glyph() pair.  The variation version can assume that
variation_selector argument is not zero.
 2016-02-24 19:05:23 +09:00
Behdad Esfahbod b894a85ad1 Fix more hangs in case of buffer allocation errors 
Hopefully
fixes https://github.com/behdad/harfbuzz/issues/214
 2016-02-02 16:39:19 +08:00
Behdad Esfahbod 2813e3049a [indic] Update data tables to Unicode 8.0 
Test stats remain unchanged, except for Malayalam, which we investigate:

BENGALI: 353725 out of 354188 tests passed. 463 failed (0.130722%)
DEVANAGARI: 707307 out of 707394 tests passed. 87 failed (0.0122987%)
GUJARATI: 366349 out of 366457 tests passed. 108 failed (0.0294714%)
GURMUKHI: 60732 out of 60747 tests passed. 15 failed (0.0246926%)
KANNADA: 951190 out of 951913 tests passed. 723 failed (0.0759523%)
KHMER: 299070 out of 299124 tests passed. 54 failed (0.0180527%)
MALAYALAM: 1047584 out of 1048334 tests passed. 750 failed (0.0715421%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271662 out of 271847 tests passed. 185 failed (0.068053%)
TAMIL: 1091753 out of 1091754 tests passed. 1 failed (9.15957e-05%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)

Myanmar, compared to Windows 10 mmrtext.ttf:

MYANMAR: 1123865 out of 1123883 tests passed. 18 failed (0.00160159%)
 2015-12-18 11:05:11 +00:00
Behdad Esfahbod 136863371c Add new shaper method postprocess_glyphs() 
Unused currently.  To be used for Syriac stretch implementation.

https://github.com/behdad/harfbuzz/issues/141
 2015-11-05 13:24:15 -08:00
Behdad Esfahbod 6f932bc8f9 Fix a few more -Wshadow-local warnings 
https://bugzilla.mozilla.org/show_bug.cgi?id=1215894
 2015-10-21 11:16:49 -02:00
Behdad Esfahbod c403d63200 [myanmar] Use buffer->sort() to sort cluster 
This can possibly produce more granular clusters.
 2015-09-01 16:15:25 +01:00
Behdad Esfahbod 85846b3de7 Use insertion-sort instead of bubble-sort 
Needed for upcoming merge-clusters fix.
 2015-09-01 15:07:52 +01:00
Behdad Esfahbod 56f71ff988 Use foreach_syllable in Myanmar shaper 2015-07-22 11:58:11 +01:00
Behdad Esfahbod f8160a4959 Add FLAG_SAFE() for values known to be small-enough 
And add check to FLAG()
 2015-07-21 15:50:02 +01:00