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This commit is contained in:
Behdad Esfahbod 2012-08-31 14:06:26 -04:00
parent 5a7f18767a
commit 784f29d061
1 changed files with 8 additions and 4 deletions
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12
src/hb-ot-shape.cc
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@ -487,14 +487,18 @@ hb_ot_position (hb_ot_shape_context_t *c)
static void static void
hb_ot_hide_zerowidth (hb_ot_shape_context_t *c) hb_ot_hide_zerowidth (hb_ot_shape_context_t *c)
{ {
hb_codepoint_t space; hb_codepoint_t space = 0;
if (!c->font->get_glyph (' ', 0, &space))
return; /* No point! */
unsigned int count = c->buffer->len; unsigned int count = c->buffer->len;
for (unsigned int i = 0; i < count; i++) for (unsigned int i = 0; i < count; i++)
if (unlikely (!is_a_ligature (c->buffer->info[i]) && if (unlikely (!is_a_ligature (c->buffer->info[i]) &&
_hb_glyph_info_is_zero_width (&c->buffer->info[i]))) { _hb_glyph_info_is_zero_width (&c->buffer->info[i])))
{
if (!space) {
/* We assume that the space glyph is not gid0. */
if (unlikely (!c->font->get_glyph (' ', 0, &space)) || !space)
return; /* No point! */
}
c->buffer->info[i].codepoint = space; c->buffer->info[i].codepoint = space;
c->buffer->pos[i].x_advance = 0; c->buffer->pos[i].x_advance = 0;
c->buffer->pos[i].y_advance = 0; c->buffer->pos[i].y_advance = 0;