AuroraMiddleware/harfbuzz
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74 Commits

Author SHA1 Message Date
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
Behdad Esfahbod
6f2d9ba52a Add old-Myanmar shaper 
Looks like Unsicribe responds to the 'mymr' tag by zeroing marks
GDEF_LATE instead of generic-shaper UNICODE_LATE.  Implement that.

Fixes
Bug 81775 - Incorrect Rendering with harfbuzz-ng myanmar unicode
https://bugs.freedesktop.org/show_bug.cgi?id=81775

Micro-test added based on Padauk.
 2014-07-26 19:18:59 -04:00
Behdad Esfahbod
7cd33f2304 Micro optimization 2014-07-17 14:39:07 -04:00
Behdad Esfahbod
7627100f42 Mark unsigned integer literals with the u suffix 
Simplifies hb_in_range() calls as the type can be inferred.
The rest is obsessiveness, I admit.
 2014-07-11 16:22:13 -04:00
Behdad Esfahbod
d743ce78e1 [indic-table] Update to Unicode 7.0 data 
Touch code just enough to preserve previous syllable structure
and functionality as closely as possible.  Many further cleanups
coming later.
 2014-06-30 15:24:45 -04:00
Behdad Esfahbod
cf78dd483c [indic/myanmar] Rename OT_NBSP to OT_PLACEHOLDER 2014-05-27 17:53:37 -04:00
Behdad Esfahbod
186ece94c8 [myanmar] Use OT_NBSP instead of OT_DOTTEDCIRCLE for OT_GB 
No functional change.
 2014-05-27 17:49:45 -04:00