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[Indic] In old-spec shaping, don't move viramas around if seq ends with one 

For example: u0c9a u0ccd u0c9a u0ccd with Lohit.  See:

https://bugs.freedesktop.org/show_bug.cgi?id=59118
This commit is contained in:
Behdad Esfahbod 2013-01-08 18:09:46 -06:00
parent e95e031b56
commit ecd454b3cd
2 changed files with 5 additions and 3 deletions
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7
src/hb-ot-shape-complex-indic.cc
View File

@ -644,15 +644,16 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
info[start].indic_position() = POS_RA_TO_BECOME_REPH; info[start].indic_position() = POS_RA_TO_BECOME_REPH;
/* For old-style Indic script tags, move the first post-base Halant after /* For old-style Indic script tags, move the first post-base Halant after
* last consonant. */ * last consonant. Only do this if there is *not* a Halant after last
* consonant. Otherwise it becomes messy. */
if (indic_plan->is_old_spec) { if (indic_plan->is_old_spec) {
for (unsigned int i = base + 1; i < end; i++) for (unsigned int i = base + 1; i < end; i++)
if (info[i].indic_category() == OT_H) { if (info[i].indic_category() == OT_H) {
unsigned int j; unsigned int j;
for (j = end - 1; j > i; j--) for (j = end - 1; j > i; j--)
if (is_consonant (info[j])) if (is_consonant (info[j]) || info[j].indic_category() == OT_H)
break; break;
if (j > i) { if (info[j].indic_category() != OT_H && j > i) {
/* Move Halant to after last consonant. */ /* Move Halant to after last consonant. */
hb_glyph_info_t t = info[i]; hb_glyph_info_t t = info[i];
memmove (&info[i], &info[i + 1], (j - i) * sizeof (info[0])); memmove (&info[i], &info[i + 1], (j - i) * sizeof (info[0]));

1
test/shaping/texts/in-tree/shaper-indic/indic/script-kannada/misc/misc.txt
View File

@ -17,3 +17,4 @@
ಕೋ ಕೋ
ಕ್ಷ ಕ್ಷ
ಕ್ಷಿ ಕ್ಷಿ
ಚ್ಚ್