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Port decompositions from Indic to USE shaper 

Part of https://github.com/behdad/harfbuzz/issues/382
This commit is contained in:
Behdad Esfahbod 2016-12-28 13:45:32 -05:00
parent e678b537f7
commit f6ba63b2e8
2 changed files with 22 additions and 16 deletions
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16
src/hb-ot-shape-complex-indic.cc
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@ -1732,13 +1732,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
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;
#if 0
/* Gujarati */
/* This one has no decomposition in Unicode, but needs no decomposition either. */
@ -1746,15 +1739,6 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
/* 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;
/* Sharada */
case 0x111BFu : *a = no decomp, -> ABOVE; return true;
#endif
}

22
src/hb-ot-shape-complex-use.cc
View File

@ -572,6 +572,28 @@ decompose_use (const hb_ot_shape_normalize_context_t *c,
*/
case 0x1112Eu : *a = 0x11127u; *b= 0x11131u; return true;
case 0x1112Fu : *a = 0x11127u; *b= 0x11132u; return true;
/*
* Decompose split matras that don't have Unicode decompositions.
*/
/* 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;
#if 0
/* Lepcha */
case 0x1C29u : *a = no decomp, -> LEFT; return true;
/* Javanese */
case 0xA9C0u : *a = no decomp, -> RIGHT; return true;
/* Sharada */
case 0x111BFu : *a = no decomp, -> ABOVE; return true;
#endif
}
return (bool) c->unicode->decompose (ab, a, b);