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27 Commits

Author SHA1 Message Date
Behdad Esfahbod 6ddd669e20 [khmer] Clear syllables before presentation features 
Probably not what Uniscribe does, but good idea?
 2018-07-31 13:40:22 -07:00
Behdad Esfahbod 8eef1964a7 [khmer] Revert previous change, and remove pauses 
This makes test suite happy again (at 44) while fixing the sequences
we were fixing, which were the following with KhmerUI.ttf:

  U+1789,U+17BC
  U+1789,U+17D2,U+1789
  U+1789,U+17D2,U+1789,U+17BC

Fixes rest of https://github.com/harfbuzz/harfbuzz/issues/974
 2018-07-31 13:40:17 -07:00
Behdad Esfahbod 7c658ea2f2 [khmer] Apply ccmp after basic features 
Part of https://github.com/harfbuzz/harfbuzz/issues/974
 2018-07-31 12:49:02 -07:00
Behdad Esfahbod 1a96cc825d [khmer] Rewrite most of shaper to better follow spec 
Khmer spec has only one reordering phase, and only simple prebase
matra and Coeng-Ro reordering.  Implement that.  Specifically,
this was done to address recognizing different orders of the matra
and Coeng-Ro sequence.  That said, some combinations are now
reordered differently from Uniscribe.  Not clear if that's intended
or a bug in Uniscribe.  The following two sequences render the same
in Uniscribe whereas we reorder them differently:

  U+17A0,U+17D2,U+179A,U+17C2
  U+17A0,U+17C2,U+17D2,U+179A

For that reason, our test suite numbers regressed slightly.  Used
to be at 34 for fails, now at:

KHMER: 299080 out of 299124 tests passed. 44 failed (0.0147096%)

But generally a good change, and removed lots of code.

Fixes https://github.com/harfbuzz/harfbuzz/issues/1026
 2018-07-31 11:45:32 -07:00
Behdad Esfahbod 7b8dfac560 [khmer] Fix infinite-loop in cluster merging 
Indic shaper already had this check.  We removed it when forking
Khmer shaper by mistake.

Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1464623
 2018-06-30 09:16:54 +04:30
Behdad Esfahbod ba3b6d6c65 [khmer] Fix Coeng vs Halant confusion 
Test suite results are unchanged (34).
 2018-06-05 12:06:50 -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 15ba4fbe01 [khmer] Add dump-khmer-data 2018-02-13 21:41:51 -08:00
Behdad Esfahbod d830d3d244 [indic] Share some copy/pasta code 2018-02-13 19:01:03 -08:00
Behdad Esfahbod 80c870bcda [khmer] Allow Independent Vowels where stacked consonants are allowed 
New numbers (down from 44):

KHMER: 299085 out of 299124 tests passed. 39 failed (0.0130381%)
 2018-01-05 17:54:52 +00:00
Behdad Esfahbod e6618f3bdf [khmer] Shave off some more from the grammar 2018-01-05 17:27:42 +00:00
Behdad Esfahbod 0d3a274de1 [khmer] Remove forced_rakar from grammar 
Used by Sinhala only.
 2018-01-05 17:01:37 +00:00
Behdad Esfahbod 9eaf077ded [khmer] Remove some more unused code 2018-01-05 16:28:00 +00:00
Behdad Esfahbod bfad6ab897 [khmer] Remove features not used by Khmer 2018-01-05 16:13:09 +00:00
Behdad Esfahbod 92a99ce084 [khmer] Remove rphf feature 2018-01-05 16:08:44 +00:00
Behdad Esfahbod 238b90e77c [khmer] Remove non-Khmer matra positioning code 2018-01-05 16:06:53 +00:00
Behdad Esfahbod f8553c898a [khmer] Remove indic_config_t 2018-01-05 16:04:02 +00:00
Behdad Esfahbod a119a8bce5 [khmer] Remove indic_config->reph_mode 2018-01-05 16:02:55 +00:00
Behdad Esfahbod c135324af1 [khmer] Remove indic_config->reph_pos 2018-01-05 16:02:55 +00:00
Behdad Esfahbod ffcd6c7efd [khmer] Remove indic_config->base_pos 2018-01-05 15:50:05 +00:00
Behdad Esfahbod 0c91638d48 [khmer] Remove other scripts 2018-01-05 15:45:30 +00:00
Behdad Esfahbod 4c0199c573 [khmer] Remove indic_config->script 2018-01-05 15:43:48 +00:00
Behdad Esfahbod 9b135d9524 [khmer] Remove indic_config->virama 2018-01-05 15:43:11 +00:00
Behdad Esfahbod 7eb3ac29d3 [khmer] Remove indic_config->has_old_spec 2018-01-05 15:41:31 +00:00
Behdad Esfahbod 961ebf85f1 [khmer] Remove Halant from Khmer shaper 2018-01-05 15:36:53 +00:00
Behdad Esfahbod dcf4d95fea [khmer] Split off Khmer shaper from Indic 
Towards fixing https://github.com/harfbuzz/harfbuzz/issues/667
The Khmer spec is different enough from other Indic ones to require
its own grammar.

No change in functionality.  Test numbers are:

BENGALI: 353725 out of 354188 tests passed. 463 failed (0.130722%)
DEVANAGARI: 707307 out of 707394 tests passed. 87 failed (0.0122987%)
GUJARATI: 366355 out of 366457 tests passed. 102 failed (0.0278341%)
GURMUKHI: 60729 out of 60747 tests passed. 18 failed (0.0296311%)
KANNADA: 951300 out of 951913 tests passed. 613 failed (0.0643966%)
KHMER: 299071 out of 299124 tests passed. 53 failed (0.0177184%)
MALAYALAM: 1048136 out of 1048334 tests passed. 198 failed (0.0188871%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271662 out of 271847 tests passed. 185 failed (0.068053%)
TAMIL: 1091754 out of 1091754 tests passed. 0 failed (0%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)
 2018-01-05 14:54:31 +00:00