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Don't do fallback positioning for Indic and Thai shapers

This commit is contained in:
Behdad Esfahbod 2012-11-14 13:48:26 -08:00
parent 981748cb2e
commit 865745b5b8
5 changed files with 10 additions and 15 deletions
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1
src/hb-ot-shape-complex-arabic.cc
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@ -354,4 +354,5 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
NULL, /* compose */
setup_masks_arabic,
true, /* zero_width_attached_marks */
true, /* fallback_position */
};

1
src/hb-ot-shape-complex-indic.cc
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@ -1360,4 +1360,5 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
compose_indic,
setup_masks_indic,
false, /* zero_width_attached_marks */
false, /* fallback_position */
};

2
src/hb-ot-shape-complex-misc.cc
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@ -221,6 +221,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
compose_default,
NULL, /* setup_masks */
true, /* zero_width_attached_marks */
true, /* fallback_position */
};
@ -334,4 +335,5 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
NULL, /* compose */
NULL, /* setup_masks */
true, /* zero_width_attached_marks */
false,/* fallback_position */
};

1
src/hb-ot-shape-complex-private.hh
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@ -131,6 +131,7 @@ struct hb_ot_complex_shaper_t
hb_font_t *font);
bool zero_width_attached_marks;
bool fallback_position;
};
#define HB_COMPLEX_SHAPER_IMPLEMENT(name) extern HB_INTERNAL const hb_ot_complex_shaper_t _hb_ot_complex_shaper_##name;

20
src/hb-ot-shape.cc
View File

@ -451,12 +451,6 @@ hb_ot_position_complex (hb_ot_shape_context_t *c)
return ret;
}
static inline void
hb_ot_position_complex_fallback (hb_ot_shape_context_t *c)
{
_hb_ot_shape_fallback_position (c->plan, c->font, c->buffer);
}
static inline void
hb_ot_truetype_kern (hb_ot_shape_context_t *c)
{
@ -482,12 +476,6 @@ hb_ot_truetype_kern (hb_ot_shape_context_t *c)
}
}
static inline void
hb_position_complex_fallback_visual (hb_ot_shape_context_t *c)
{
hb_ot_truetype_kern (c);
}
static inline void
hb_ot_position (hb_ot_shape_context_t *c)
{
@ -495,14 +483,16 @@ hb_ot_position (hb_ot_shape_context_t *c)
hb_bool_t fallback = !hb_ot_position_complex (c);
if (fallback)
hb_ot_position_complex_fallback (c);
if (fallback && c->plan->shaper->fallback_position)
_hb_ot_shape_fallback_position (c->plan, c->font, c->buffer);
if (HB_DIRECTION_IS_BACKWARD (c->buffer->props.direction))
hb_buffer_reverse (c->buffer);
/* Visual fallback goes here. */
if (fallback)
hb_position_complex_fallback_visual (c);
hb_ot_truetype_kern (c);
}