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[Indic] Apply 'init' feature for Bengali 

Error down from 20% to 7%.
This commit is contained in:
Behdad Esfahbod 2012-05-11 20:59:26 +02:00
parent eed903b164
commit a913b024d8
1 changed files with 15 additions and 0 deletions
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15
src/hb-ot-shape-complex-indic.cc
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@ -25,6 +25,7 @@
*/
#include "hb-ot-shape-complex-indic-private.hh"
#include "hb-ot-shape-private.hh"
static const struct indic_options_t
{
@ -738,6 +739,20 @@ final_reordering_syllable (hb_buffer_t *buffer, hb_mask_t *mask_array,
/* Apply 'init' to the Left Matra if it's a word start. */
if (info[start].indic_position () == POS_LEFT_MATRA &&
(!start ||
!(FLAG (_hb_glyph_info_get_general_category (&buffer->info[start - 1])) &
(FLAG (HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER) |
FLAG (HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER) |
FLAG (HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER) |
FLAG (HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER) |
FLAG (HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER) |
FLAG (HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK) |
FLAG (HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK) |
FLAG (HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK)))))
info[start].mask |= mask_array[INIT];
/* Finish off the clusters and go home! */