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[Thai] Reorder U+0E3A THAI VOWEL SIGN PHINTHU

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Uniscribe reorders U+0E3A to be after U+0E38 and U+0E39.  We do that by
modifying the ccc for U+0E3A.

Fixes the two remaining Thai failures (see previous commit).
This commit is contained in:
Behdad Esfahbod 2012-07-23 13:52:07 -04:00
parent 4a7f4f3e56
commit 42848453bf
4 changed files with 30 additions and 0 deletions
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7
src/hb-ot-shape-complex-misc.cc
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@ -132,6 +132,13 @@ _hb_ot_shape_complex_setup_masks_thai (hb_ot_map_t *map HB_UNUSED,
* chattawa.
*
* Same for Lao.
*
* Note:
*
* Uniscribe also does so below-marks reordering. Namely, it positions U+0E3A
* after U+0E38 and U+0E39. We do that by modifying the ccc for U+0E3A.
* See _hb_unicode_modified_combining_class (). Lao does NOT have a U+0E3A
* equivalent.
*/

6
src/hb-unicode.cc
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@ -363,6 +363,12 @@ _hb_unicode_modified_combining_class (hb_unicode_funcs_t *ufuncs,
};
c = permuted_hebrew_classes[c - 10];
}
else if (unlikely (unicode == 0x0E3A)) /* THAI VOWEL SIGN PHINTHU */
{
/* Assign 104, so it reorders after the THAI ccc=103 marks.
* Uniscribe does this. */
c = 104;
}
return c;
}

1
test/shaping/texts/in-tree/shaper-thai/script-thai/misc/MANIFEST
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@ -1 +1,2 @@
phinthu.txt
sara-am.txt

16
test/shaping/texts/in-tree/shaper-thai/script-thai/misc/phinthu.txt Normal file
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@ -0,0 +1,16 @@
ป
ปฺ
ปุ
ปู
ปุู
ปูุ
ปฺุ
ปฺุ
ปฺู
ปฺู
ปฺุู
ปฺุู
ปฺุู
ปฺูุ
ปฺูุ
ปฺูุ