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Switch to shape_plan

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Not optimized yet.  Eats babies.  And no shaper uses the shape_plan.
This commit is contained in:
Behdad Esfahbod 2012-07-27 01:13:53 -04:00
parent 5b95c148cc
commit c32c096a42
3 changed files with 47 additions and 25 deletions
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37
src/hb-shape-plan.cc
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@ -48,7 +48,9 @@ hb_##shaper##_##object##_data_ensure (hb_##object##_t *object) \
return data != NULL && !HB_SHAPER_DATA_IS_INVALID (data); \
}
#define HB_SHAPER_IMPLEMENT(shaper) HB_SHAPER_DATA_ENSURE_DECLARE(shaper, face)
#define HB_SHAPER_IMPLEMENT(shaper) \
HB_SHAPER_DATA_ENSURE_DECLARE(shaper, face) \
HB_SHAPER_DATA_ENSURE_DECLARE(shaper, font)
#include "hb-shaper-list.hh"
#undef HB_SHAPER_IMPLEMENT
@ -65,7 +67,6 @@ hb_shape_plan_plan (hb_shape_plan_t *shape_plan,
#define HB_SHAPER_PLAN(shaper) \
HB_STMT_START { \
if (hb_##shaper##_face_data_ensure (shape_plan->face)) { \
/* TODO Ensure face shaper data. */ \
HB_SHAPER_DATA_TYPE (shaper, shape_plan) *data= \
HB_SHAPER_DATA_CREATE_FUNC (shaper, shape_plan) (shape_plan, user_features, num_user_features); \
if (data) { \
@ -157,3 +158,35 @@ hb_shape_plan_destroy (hb_shape_plan_t *shape_plan)
free (shape_plan);
}
hb_bool_t
hb_shape_plan_execute (hb_shape_plan *shape_plan,
hb_font_t *font,
hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features)
{
if (unlikely (shape_plan->face != font->face))
return false;
#define HB_SHAPER_EXECUTE(shaper) \
HB_STMT_START { \
if (hb_##shaper##_font_data_ensure (font) && \
_hb_##shaper##_shape (shape_plan, font, buffer, features, num_features)) \
return true; \
} HB_STMT_END
for (hb_shape_func_t **shaper_func = shape_plan->shapers; *shaper_func; shaper_func++)
if (0)
;
#define HB_SHAPER_IMPLEMENT(shaper) \
else if (*shaper_func == _hb_##shaper##_shape) \
HB_SHAPER_EXECUTE (shaper);
#include "hb-shaper-list.hh"
#undef HB_SHAPER_IMPLEMENT
#undef HB_SHAPER_EXECUTE
return false;
}

8
src/hb-shape-plan.h
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@ -57,4 +57,12 @@ HB_INTERNAL void
hb_shape_plan_destroy (hb_shape_plan_t *shape_plan);
HB_INTERNAL hb_bool_t
hb_shape_plan_execute (hb_shape_plan *shape_plan,
hb_font_t *font,
hb_buffer_t *buffer,
const hb_feature_t *features,
unsigned int num_features);
#endif /* HB_SHAPE_PLAN_H */

27
src/hb-shape.cc
View File

@ -32,7 +32,6 @@
#include "hb-font-private.hh"
static const char **static_shaper_list;
static
@ -83,28 +82,10 @@ hb_shape_full (hb_font_t *font,
unsigned int num_features,
const char * const *shaper_list)
{
// hb_shape_plan_t *shape_plan = hb_shape_plan_create (font->face, &buffer->props, features, num_features, shaper_list);
const hb_shaper_pair_t *shapers = _hb_shapers_get ();
hb_font_make_immutable (font); /* So we can safely cache stuff on it */
if (likely (!shaper_list)) {
for (unsigned int i = 0; i < HB_SHAPERS_COUNT; i++)
if (likely (shapers[i].func (NULL, font, buffer, features, num_features)))
return true;
} else {
while (*shaper_list) {
for (unsigned int i = 0; i < HB_SHAPERS_COUNT; i++)
if (0 == strcmp (*shaper_list, shapers[i].name)) {
if (likely (shapers[i].func (NULL, font, buffer, features, num_features)))
return true;
break;
}
shaper_list++;
}
}
return false;
hb_shape_plan_t *shape_plan = hb_shape_plan_create (font->face, &buffer->props, features, num_features, shaper_list);
hb_bool_t res = hb_shape_plan_execute (shape_plan, font, buffer, features, num_features);
hb_shape_plan_destroy (shape_plan);
return res;
}
void