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[Indic] Handle Vowel syllables 

Reusing the consonant logic!
This commit is contained in:
Behdad Esfahbod 2012-05-10 12:07:33 +02:00
parent 6d8e0cb74c
commit c5306b6861
2 changed files with 7 additions and 7 deletions
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3
src/hb-ot-shape-complex-indic-private.hh
View File

@ -83,8 +83,7 @@ enum indic_position_t {
POS_SMVD
};
/* Categories used in IndicSyllabicCategory.txt from UCD */
/* The assignments are guesswork */
/* Categories used in IndicSyllabicCategory.txt from UCD. */
enum indic_syllabic_category_t {
INDIC_SYLLABIC_CATEGORY_OTHER = OT_X,

11
src/hb-ot-shape-complex-indic.cc
View File

@ -67,7 +67,10 @@ is_joiner (const hb_glyph_info_t &info)
static bool
is_consonant (const hb_glyph_info_t &info)
{
return !!(FLAG (info.indic_category()) & (FLAG (OT_C) | FLAG (OT_Ra)));
/* Note: We treat Vowels as if they were consonants. This is safe because Vowels
* cannot happen in a consonant syllable. The plus side however is, we can call the
* consonant syllable logic from the vowel syllable function and get it all right! */
return !!(FLAG (info.indic_category()) & (FLAG (OT_C) | FLAG (OT_Ra) | FLAG (OT_V)));
}
static const struct {
@ -417,10 +420,8 @@ static void
initial_reordering_vowel_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t *mask_array,
unsigned int start, unsigned int end)
{
/* TODO
* Not clear to me how this should work. Do the matras move to before the
* independent vowel? No idea.
*/
/* We made the vowels look like consonants. So let's call the consonant logic! */
initial_reordering_consonant_syllable (map, buffer, mask_array, start, end);
}
static void