walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[Indic] Handle Reph when determining base consonant

This commit is contained in:
Behdad Esfahbod 2011-07-31 15:07:11 -04:00
parent 97158392a5
commit cfd4382ec1
1 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
src/hb-ot-shape-complex-indic.cc
View File

@ -443,6 +443,7 @@ found_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t
/* -> starting from the end of the syllable, move backwards */ /* -> starting from the end of the syllable, move backwards */
i = end; i = end;
unsigned int limit = start + (info[start].indic_category() == OT_Ra ? 2 : 0);
do { do {
i--; i--;
/* -> until a consonant is found */ /* -> until a consonant is found */
@ -457,20 +458,25 @@ found_consonant_syllable (const hb_ot_map_t *map, hb_buffer_t *buffer, hb_mask_t
break; break;
} }
/* TODO: or that is not a pre-base reordering Ra, */ /* -> or that is not a pre-base reordering Ra,
*
* o If the syllable starts with Ra + Halant (in a script that has Reph)
* and has more than one consonant, Ra is excluded from candidates for
* base consonants.
*
* IMPLEMENTATION NOTES:
*
* We do this by adjusting limit accordingly before entering the loop.
*/
/* -> or arrive at the first consonant. The consonant stopped at will be the base. */ /* -> or arrive at the first consonant. The consonant stopped at will
* be the base. */
base = i; base = i;
} }
} while (i > start); } while (i > limit);
if (base < start) if (base < start)
base = start; /* Just in case... */ base = start; /* Just in case... */
/* TODO
* If the syllable starts with Ra + Halant (in a script that has Reph)
* and has more than one consonant, Ra is excluded from candidates for
* base consonants. */
/* 2. Decompose and reorder Matras: /* 2. Decompose and reorder Matras:
* *