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[Indic] Suppress reph formation upon joiners

This commit is contained in:
Behdad Esfahbod 2011-07-31 11:10:14 -04:00
parent 8354e004e5
commit 9ee27a928a
1 changed files with 7 additions and 1 deletions
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8
src/hb-ot-shape-complex-indic.cc
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@ -282,6 +282,11 @@ is_ra (hb_codepoint_t u)
compare_codepoint); compare_codepoint);
} }
static bool
is_joiner (hb_glyph_info_t *info)
{
return info->indic_category() == OT_ZWJ || info->indic_category() == OT_ZWNJ;
}
static const struct { static const struct {
hb_tag_t tag; hb_tag_t tag;
@ -501,7 +506,8 @@ found_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t
/* Handle beginning Ra */ /* Handle beginning Ra */
if (start + 2 <= end && if (start + 2 <= end &&
info[start].indic_category() == OT_Ra && info[start].indic_category() == OT_Ra &&
info[start + 1].indic_category() == OT_H) info[start + 1].indic_category() == OT_H &&
(start + 2 == end || !is_joiner (&info[start])))
{ {
info[start].indic_position() = POS_POST; info[start].indic_position() = POS_POST;
info[start].mask = mask_array[RPHF]; info[start].mask = mask_array[RPHF];