Fix arabic shaping of LTR text

We should ensure-direction before doing any complex work.  The only
exception is mirroring that needs to see the original / final direction,
not the native.  Handle that.
This commit is contained in:
Behdad Esfahbod 2010-12-07 16:20:42 -05:00
parent d1f1707adc
commit ee8aaf976a
1 changed files with 3 additions and 3 deletions

View File

@ -193,7 +193,7 @@ hb_mirror_chars (hb_ot_shape_context_t *c)
{
hb_unicode_get_mirroring_func_t get_mirroring = c->buffer->unicode->v.get_mirroring;
if (HB_DIRECTION_IS_FORWARD (c->buffer->props.direction))
if (HB_DIRECTION_IS_FORWARD (c->original_direction))
return;
hb_mask_t rtlm_mask = c->plan->map.get_1_mask (HB_TAG ('r','t','l','m'));
@ -300,6 +300,8 @@ hb_ot_shape_execute_internal (hb_ot_shape_context_t *c)
hb_set_unicode_props (c); /* BUFFER: Set general_category and combining_class in var1 */
hb_ensure_native_direction (c);
hb_form_clusters (c);
hb_ot_shape_setup_masks (c); /* BUFFER: Clobbers var2 */
@ -309,8 +311,6 @@ hb_ot_shape_execute_internal (hb_ot_shape_context_t *c)
/* Mirroring needs to see the original direction */
hb_mirror_chars (c);
hb_ensure_native_direction (c);
hb_substitute_default (c);
hb_ot_substitute_complex (c);