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[Indic] Reorder Malayalam dot-reph to after base 

Test sequence is simple: U+0D4E,U+0D15.  The doth-reph should be
reordered to after the Ka.

https://bugzilla.redhat.com/show_bug.cgi?id=799565
This commit is contained in:
Behdad Esfahbod 2012-12-21 15:48:32 -05:00
parent 742c4ee97e
commit 8b217f5ac5
3 changed files with 12 additions and 3 deletions
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13
src/hb-ot-shape-complex-indic.cc
View File

@ -467,7 +467,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
unsigned int limit = start;
if (indic_plan->mask_array[RPHF] &&
start + 3 <= end &&
(/* TODO Handle other Reph modes. */
(
(indic_plan->config->reph_mode == REPH_MODE_IMPLICIT && !is_joiner (info[start + 2])) ||
(indic_plan->config->reph_mode == REPH_MODE_EXPLICIT && info[start + 2].indic_category() == OT_ZWJ)
))
@ -482,7 +482,14 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
base = start;
has_reph = true;
}
};
} else if (indic_plan->config->reph_mode == REPH_MODE_LOG_REPHA && info[start].indic_category() == OT_Repha)
{
limit += 1;
while (limit < end && is_joiner (info[limit]))
limit++;
base = start;
has_reph = true;
}
switch (indic_plan->config->base_pos)
{
@ -570,7 +577,7 @@ initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
* base consonants.
*
* Only do this for unforced Reph. (ie. not for Ra,H,ZWJ. */
if (has_reph && base == start && start + 2 == limit) {
if (has_reph && base == start && start - limit <= 2) {
/* Have no other consonant, so Reph is not formed and Ra becomes base. */
has_reph = false;
}

1
test/shaping/texts/in-tree/shaper-indic/indic/script-malayalam/misc/MANIFEST
View File

@ -1 +1,2 @@
dot-reph.txt
misc.txt

1
test/shaping/texts/in-tree/shaper-indic/indic/script-malayalam/misc/dot-reph.txt Normal file
View File

@ -0,0 +1 @@
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