[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

View File

@ -282,6 +282,11 @@ is_ra (hb_codepoint_t u)
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 {
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 */
if (start + 2 <= end &&
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].mask = mask_array[RPHF];