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Add new shaper method postprocess_glyphs() 

Unused currently.  To be used for Syriac stretch implementation.

https://github.com/behdad/harfbuzz/issues/141
This commit is contained in:
Behdad Esfahbod 2015-11-05 13:24:15 -08:00
parent 6c0ebd02c9
commit 136863371c
11 changed files with 29 additions and 7 deletions
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3
src/hb-ot-shape-complex-arabic.cc
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@ -379,7 +379,8 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_arabic =
NULL, /* override_features */
data_create_arabic,
data_destroy_arabic,
NULL, /* preprocess_text_arabic */
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
NULL, /* decompose */
NULL, /* compose */

1
src/hb-ot-shape-complex-default.cc
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@ -35,6 +35,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_default =
NULL, /* data_create */
NULL, /* data_destroy */
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
NULL, /* decompose */
NULL, /* compose */

7
src/hb-ot-shape-complex-hangul.cc
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@ -411,13 +411,14 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hangul =
"hangul",
collect_features_hangul,
override_features_hangul,
data_create_hangul, /* data_create */
data_destroy_hangul, /* data_destroy */
data_create_hangul,
data_destroy_hangul,
preprocess_text_hangul,
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_NONE,
NULL, /* decompose */
NULL, /* compose */
setup_masks_hangul, /* setup_masks */
setup_masks_hangul,
HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
false, /* fallback_position */
};

1
src/hb-ot-shape-complex-hebrew.cc
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@ -163,6 +163,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_hebrew =
NULL, /* data_create */
NULL, /* data_destroy */
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
NULL, /* decompose */
compose_hebrew,

1
src/hb-ot-shape-complex-indic.cc
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@ -1834,6 +1834,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_indic =
data_create_indic,
data_destroy_indic,
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
decompose_indic,
compose_indic,

2
src/hb-ot-shape-complex-myanmar.cc
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@ -507,6 +507,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar_old =
NULL, /* data_create */
NULL, /* data_destroy */
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
NULL, /* decompose */
NULL, /* compose */
@ -523,6 +524,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
NULL, /* data_create */
NULL, /* data_destroy */
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
NULL, /* decompose */
NULL, /* compose */

9
src/hb-ot-shape-complex-private.hh
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@ -110,6 +110,15 @@ struct hb_ot_complex_shaper_t
hb_buffer_t *buffer,
hb_font_t *font);
/* postprocess_glyphs()
* Called during shape().
* Shapers can use to modify glyphs after shaping ends.
* May be NULL.
*/
void (*postprocess_glyphs) (const hb_ot_shape_plan_t *plan,
hb_buffer_t *buffer,
hb_font_t *font);
hb_ot_shape_normalization_mode_t normalization_preference;

1
src/hb-ot-shape-complex-thai.cc
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@ -372,6 +372,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_thai =
NULL, /* data_create */
NULL, /* data_destroy */
preprocess_text_thai,
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
NULL, /* decompose */
NULL, /* compose */

1
src/hb-ot-shape-complex-tibetan.cc
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@ -52,6 +52,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_tibetan =
NULL, /* data_create */
NULL, /* data_destroy */
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT,
NULL, /* decompose */
NULL, /* compose */

1
src/hb-ot-shape-complex-use.cc
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@ -576,6 +576,7 @@ const hb_ot_complex_shaper_t _hb_ot_complex_shaper_use =
data_create_use,
data_destroy_use,
NULL, /* preprocess_text */
NULL, /* postprocess_glyphs */
HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT,
NULL, /* decompose */
compose_use,

9
src/hb-ot-shape.cc
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@ -553,9 +553,6 @@ hb_ot_substitute_default (hb_ot_shape_context_t *c)
{
hb_buffer_t *buffer = c->buffer;
if (c->plan->shaper->preprocess_text)
c->plan->shaper->preprocess_text (c->plan, buffer, c->font);
hb_ot_shape_initialize_masks (c);
hb_ot_mirror_chars (c);
@ -815,11 +812,17 @@ hb_ot_shape_internal (hb_ot_shape_context_t *c)
hb_ensure_native_direction (c->buffer);
if (c->plan->shaper->preprocess_text)
c->plan->shaper->preprocess_text (c->plan, c->buffer, c->font);
hb_ot_substitute (c);
hb_ot_position (c);
hb_ot_hide_default_ignorables (c);
if (c->plan->shaper->postprocess_glyphs)
c->plan->shaper->postprocess_glyphs (c->plan, c->buffer, c->font);
_hb_buffer_deallocate_unicode_vars (c->buffer);
c->buffer->props.direction = c->target_direction;