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[indix] Comment

This commit is contained in:
Behdad Esfahbod 2016-12-26 13:10:31 -05:00
parent 7d1c5d8281
commit 3cc48a46b5
1 changed files with 22 additions and 3 deletions
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25
src/hb-ot-shape-complex-indic.cc
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@ -1713,33 +1713,52 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
switch (ab)
{
/* Don't decompose these. */
case 0x0931u : return false;
case 0x0B94u : return false;
case 0x0931u : return false; /* DEVANAGARI LETTER RRA */
case 0x0B94u : return false; /* TAMIL LETTER AU */
/*
* Decompose split matras that don't have Unicode decompositions.
*/
/* Tibetan */
case 0x0F77u : *a = 0x0FB2u; *b= 0x0F81u; return true;
case 0x0F79u : *a = 0x0FB3u; *b= 0x0F81u; return true;
/* Khmer */
case 0x17BEu : *a = 0x17C1u; *b= 0x17BEu; return true;
case 0x17BFu : *a = 0x17C1u; *b= 0x17BFu; return true;
case 0x17C0u : *a = 0x17C1u; *b= 0x17C0u; return true;
case 0x17C4u : *a = 0x17C1u; *b= 0x17C4u; return true;
case 0x17C5u : *a = 0x17C1u; *b= 0x17C5u; return true;
/* Limbu */
case 0x1925u : *a = 0x1920u; *b= 0x1923u; return true;
case 0x1926u : *a = 0x1920u; *b= 0x1924u; return true;
/* Balinese */
case 0x1B3Cu : *a = 0x1B42u; *b= 0x1B3Cu; return true;
/* Chakma */
case 0x1112Eu : *a = 0x11127u; *b= 0x11131u; return true;
case 0x1112Fu : *a = 0x11127u; *b= 0x11132u; return true;
#if 0
/* Gujarati */
/* This one has no decomposition in Unicode, but needs no decomposition either. */
/* case 0x0AC9u : return false; */
/* Oriya */
case 0x0B57u : *a = no decomp, -> RIGHT; return true;
/* Lepcha */
case 0x1C29u : *a = no decomp, -> LEFT; return true;
/* Javanese */
case 0xA9C0u : *a = no decomp, -> RIGHT; return true;
case 0x111BuF : *a = no decomp, -> ABOVE; return true;
/* Sharada */
case 0x111BFu : *a = no decomp, -> ABOVE; return true;
#endif
}