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[Indic] Implement pre-base reordering Ra for old-spec Malayalam 

Fixes Pa,H,Ra sequence with AnjaliNewLipi.ttf.
This commit is contained in:
Behdad Esfahbod 2012-08-23 15:19:45 -04:00
parent 80cd92326f
commit 6732d62e78
1 changed files with 2 additions and 3 deletions
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5
src/hb-ot-shape-complex-indic.cc
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@ -694,13 +694,12 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan, hb_buffer
info[i].mask |= mask;
}
/* XXX This will not match for old-Indic spec since the Halant-Ra order is reversed already. */
if (indic_plan->mask_array[PREF] && base + 2 < end)
{
/* Find a Halant,Ra sequence and mark it for pre-base reordering processing. */
for (unsigned int i = base + 1; i + 1 < end; i++)
if (is_halant_or_coeng (info[i]) &&
info[i + 1].indic_category() == OT_Ra)
if (is_halant_or_coeng (info[i + (indic_plan->is_old_spec ? 1 : 0)]) &&
info[i + (indic_plan->is_old_spec ? 0 : 1)].indic_category() == OT_Ra)
{
info[i++].mask |= indic_plan->mask_array[PREF];
info[i++].mask |= indic_plan->mask_array[PREF];