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[Indic/Unicode] Decompose Sinhala split matras the way Uniscribe likes 

Makes no visual difference.

Fixes most of the failures.  Down from 15% to 1.3%!
This commit is contained in:
Behdad Esfahbod 2012-07-18 16:50:41 -04:00
parent d8942dcbb4
commit 91cade7555
1 changed files with 8 additions and 0 deletions
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8
src/hb-unicode.cc
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@ -270,6 +270,14 @@ hb_unicode_decompose (hb_unicode_funcs_t *ufuncs,
/* XXX FIXME, move these to complex shapers and propagage to normalizer.*/ /* XXX FIXME, move these to complex shapers and propagage to normalizer.*/
switch (ab) { switch (ab) {
case 0x0AC9 : *a = 0x0AC5; *b= 0x0ABE; return true; case 0x0AC9 : *a = 0x0AC5; *b= 0x0ABE; return true;
/* These ones have Unicode decompositions, but we do it
* this way to be close to what Uniscribe does. */
case 0x0DDA : *a = 0x0DD9; *b= 0x0DDA; return true;
case 0x0DDC : *a = 0x0DD9; *b= 0x0DDC; return true;
case 0x0DDD : *a = 0x0DD9; *b= 0x0DDD; return true;
case 0x0DDE : *a = 0x0DD9; *b= 0x0DDE; return true;
case 0x0F77 : *a = 0x0FB2; *b= 0x0F81; return true; case 0x0F77 : *a = 0x0FB2; *b= 0x0F81; return true;
case 0x0F79 : *a = 0x0FB3; *b= 0x0F81; return true; case 0x0F79 : *a = 0x0FB3; *b= 0x0F81; return true;
case 0x17BE : *a = 0x17C1; *b= 0x17BE; return true; case 0x17BE : *a = 0x17C1; *b= 0x17BE; return true;