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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 eb37bc9d93 [use] Remove Syriac features 
This was non-standard, and unused anyway.
 2019-07-02 15:21:11 -07:00
Behdad Esfahbod dc480fc471 [amalgam] More Indic-like issues 
Part of https://github.com/harfbuzz/harfbuzz/issues/1809
 2019-07-02 15:17:56 -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
David Corbett d64fb9db52 [use] Allow U+1A60 TAI THAM SIGN SAKOT after vowel 2019-05-27 13:14:03 -04:00
Behdad Esfahbod 41248cce0e Remove MIN/MAX in favor of hb_min/hb_max 2019-05-07 20:54:31 -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 22798e93c4 [use] Minor clarification 2018-11-22 22:47:51 -05:00
David Corbett 3c7792ca32 [use] Fix reordering 
Fixes #1235.
 2018-11-19 16:49:40 -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 35d410f2ba Remove ASSERT_POD 
Newer compilers / language allows structs with constructor in union.
So, this was not actually testing anything.  Indeed, the recent
change in DISALLOW_COPY *is* making some of our types non-POD.
That broke some bots.

Just remove this since it wasn't doing much, and I'd rather have
DISALLOW_COPY.
 2018-10-29 14:45:44 -07:00
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 6d40eb8372 Touch up on previous commit 
https://github.com/harfbuzz/harfbuzz/pull/1273
 2018-10-23 02:51:42 -07:00
David Corbett 205737acdc [use] Prohibit visually ambiguous vowel sequences 2018-10-23 02:25:08 -07:00
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 81afdbe803 [use] Disable automatic ZWJ for 'akhn' feature 
Fixes https://github.com/harfbuzz/harfbuzz/issues/746
 2018-10-01 15:27:35 +02:00
Behdad Esfahbod f048ead84a Some more 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 606bf57430 Revert forcing use of single-parameter static_assert() 
Some clang versions define static_assert as a macro apparently, so we cannot
redefine it...

This reverts commit 94bfea0ce6.
This reverts commit 4e62627831.
 2018-09-16 19:34:39 +02:00
Behdad Esfahbod 4e62627831 Enforce single-param static_assert() only 
So we don't accidentally break it again.
 2018-09-16 18:09:36 +02:00
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
David Corbett 62fa7cd1cc Order Chakma split vowels in accordance with NFC 
Fixes #1105.
 2018-07-22 19:47:21 -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 507804479a [use] Add dump-use-data 2018-02-13 21:46:28 -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 6058f98825 Remove FLAG_SAFE() 
No flag is safe, over time... See previous commit.
 2017-10-19 11:39:52 -07:00
Behdad Esfahbod dbdbfe3d7b Use nullptr instead of NULL 2017-10-15 12:11:08 +02:00
Behdad Esfahbod c3448e8d21 Use static_assert instead of custom ASSERT_STATIC 2017-10-15 12:02:00 +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 9e005c5d86 [unsafe-to-break] Mark Indic-like clusters as unsafe-to-break 2017-08-10 20:10:53 -07:00
Behdad Esfahbod 7cf9952e7f [USE] Remove non-canonical decompositions 
We have had added this in Indic shaper to assist shaping these scripts.
In Universal Shaping Engine however, it is up to font designer to
decompose them.  Hence moving them from Indic shaper to USE was
wrong.

Fixup for f6ba63b2e8

Part of fixing https://github.com/behdad/harfbuzz/issues/387
 2017-01-08 23:55:54 -08:00
Behdad Esfahbod f6ba63b2e8 Port decompositions from Indic to USE shaper 
Part of https://github.com/behdad/harfbuzz/issues/382
 2016-12-28 13:45:32 -05:00
jfkthame 49ba698124 [use] Special-case Chakma split-vowel decomp in the USE shaper. (#383) 2016-12-28 13:00:51 -05:00
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 9b6312f945 [use] Update to draft spec from Andrew Glass from August 2015 2016-05-06 17:41:49 +01:00
Behdad Esfahbod 3e4e7616a8 [use] Add a catch-all clause to the machine 2016-05-06 17:28:25 +01:00
Behdad Esfahbod 691086f131 Add Unicode 9 beta scripts 
These are frozen, so good time to add.
 2016-05-06 12:09:53 +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 da41e48f0a [USE] Zero mark advances by GDEF early 
This is what Microsoft's implementation does.  Marks that need advance
need to add it back using 'dist' or other feature in GPOS.  Update tests to
match.
 2016-02-16 17:16:33 +07:00
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 862b1644e9 [use] Only set syllable-based topographical features if not Arabic-joining 2015-12-18 13:54:06 +00:00