diff options
Diffstat (limited to 'src/hb-ot-shape-complex-use.cc')
| -rw-r--r-- | src/hb-ot-shape-complex-use.cc | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc index 045ead5..af68706 100644 --- a/src/hb-ot-shape-complex-use.cc +++ b/src/hb-ot-shape-complex-use.cc @@ -559,6 +559,25 @@ reorder (const hb_ot_shape_plan_t *plan, } static bool +decompose_use (const hb_ot_shape_normalize_context_t *c, + hb_codepoint_t ab, + hb_codepoint_t *a, + hb_codepoint_t *b) +{ + switch (ab) + { + /* Chakma: + * Special case where the Unicode decomp gives matras in the wrong order + * for cluster validation. + */ + case 0x1112Eu : *a = 0x11127u; *b= 0x11131u; return true; + case 0x1112Fu : *a = 0x11127u; *b= 0x11132u; return true; + } + + return (bool) c->unicode->decompose (ab, a, b); +} + +static bool compose_use (const hb_ot_shape_normalize_context_t *c, hb_codepoint_t a, hb_codepoint_t b, @@ -582,9 +601,10 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use = NULL, /* preprocess_text */ NULL, /* postprocess_glyphs */ HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT, - NULL, /* decompose */ + decompose_use, compose_use, setup_masks_use, + NULL, /* disable_otl */ HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY, false, /* fallback_position */ }; |