* Google Author(s): Behdad Esfahbod
*/
+#include "hb.hh"
+
+#ifndef HB_NO_OT_SHAPE
+
#include "hb-ot-shape-complex-myanmar.hh"
*/
static const hb_tag_t
-basic_features[] =
+myanmar_basic_features[] =
{
/*
* Basic features.
HB_TAG('p','s','t','f'),
};
static const hb_tag_t
-other_features[] =
+myanmar_other_features[] =
{
/*
* Other features.
HB_TAG('b','l','w','s'),
HB_TAG('p','s','t','s'),
};
-static const hb_tag_t
-positioning_features[] =
-{
- /*
- * Positioning features.
- * We don't care about the types.
- */
- HB_TAG('d','i','s','t'),
- /* Pre-release version of Windows 8 Myanmar font had abvm,blwm
- * features. The released Windows 8 version of the font (as well
- * as the released spec) used 'mark' instead. The Windows 8
- * shaper however didn't apply 'mark' but did apply 'mkmk'.
- * Perhaps it applied abvm/blwm. This was fixed in a Windows 8
- * update, so now it applies mark/mkmk. We are guessing that
- * it still applies abvm/blwm too.
- */
- HB_TAG('a','b','v','m'),
- HB_TAG('b','l','w','m'),
-};
static void
-setup_syllables (const hb_ot_shape_plan_t *plan,
- hb_font_t *font,
- hb_buffer_t *buffer);
-static void
-reorder (const hb_ot_shape_plan_t *plan,
- hb_font_t *font,
- hb_buffer_t *buffer);
+setup_syllables_myanmar (const hb_ot_shape_plan_t *plan,
+ hb_font_t *font,
+ hb_buffer_t *buffer);
static void
-clear_syllables (const hb_ot_shape_plan_t *plan,
+reorder_myanmar (const hb_ot_shape_plan_t *plan,
hb_font_t *font,
hb_buffer_t *buffer);
hb_ot_map_builder_t *map = &plan->map;
/* Do this before any lookups have been applied. */
- map->add_gsub_pause (setup_syllables);
+ map->add_gsub_pause (setup_syllables_myanmar);
map->enable_feature (HB_TAG('l','o','c','l'));
/* The Indic specs do not require ccmp, but we apply it here since if
map->enable_feature (HB_TAG('c','c','m','p'));
- map->add_gsub_pause (reorder);
+ map->add_gsub_pause (reorder_myanmar);
- for (unsigned int i = 0; i < ARRAY_LENGTH (basic_features); i++)
+ for (unsigned int i = 0; i < ARRAY_LENGTH (myanmar_basic_features); i++)
{
- map->enable_feature (basic_features[i], F_MANUAL_ZWJ);
+ map->enable_feature (myanmar_basic_features[i], F_MANUAL_ZWJ);
map->add_gsub_pause (nullptr);
}
- map->add_gsub_pause (clear_syllables);
-
- for (unsigned int i = 0; i < ARRAY_LENGTH (other_features); i++)
- map->enable_feature (other_features[i], F_MANUAL_ZWJ);
+ map->add_gsub_pause (_hb_clear_syllables);
- for (unsigned int i = 0; i < ARRAY_LENGTH (positioning_features); i++)
- map->enable_feature (positioning_features[i]);
+ for (unsigned int i = 0; i < ARRAY_LENGTH (myanmar_other_features); i++)
+ map->enable_feature (myanmar_other_features[i], F_MANUAL_ZWJ);
}
static void
}
-enum syllable_type_t {
- consonant_syllable,
- punctuation_cluster,
- broken_cluster,
- non_myanmar_cluster,
+enum myanmar_syllable_type_t {
+ myanmar_consonant_syllable,
+ myanmar_punctuation_cluster,
+ myanmar_broken_cluster,
+ myanmar_non_myanmar_cluster,
};
#include "hb-ot-shape-complex-myanmar-machine.hh"
static void
setup_masks_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
- hb_buffer_t *buffer,
- hb_font_t *font HB_UNUSED)
+ hb_buffer_t *buffer,
+ hb_font_t *font HB_UNUSED)
{
HB_BUFFER_ALLOCATE_VAR (buffer, myanmar_category);
HB_BUFFER_ALLOCATE_VAR (buffer, myanmar_position);
}
static void
-setup_syllables (const hb_ot_shape_plan_t *plan HB_UNUSED,
- hb_font_t *font HB_UNUSED,
- hb_buffer_t *buffer)
+setup_syllables_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
+ hb_font_t *font HB_UNUSED,
+ hb_buffer_t *buffer)
{
- find_syllables (buffer);
+ find_syllables_myanmar (buffer);
foreach_syllable (buffer, start, end)
buffer->unsafe_to_break (start, end);
}
}
if (pos == POS_BELOW_C && info[i].myanmar_category() != OT_A)
{
- pos = POS_AFTER_SUB;
+ pos = POS_AFTER_SUB;
info[i].myanmar_position() = pos;
continue;
}
}
static void
-initial_reordering_syllable (const hb_ot_shape_plan_t *plan HB_UNUSED,
- hb_face_t *face HB_UNUSED,
- hb_buffer_t *buffer,
- unsigned int start, unsigned int end)
+reorder_syllable_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
+ hb_face_t *face HB_UNUSED,
+ hb_buffer_t *buffer,
+ unsigned int start, unsigned int end)
{
- syllable_type_t syllable_type = (syllable_type_t) (buffer->info[start].syllable() & 0x0F);
+ myanmar_syllable_type_t syllable_type = (myanmar_syllable_type_t) (buffer->info[start].syllable() & 0x0F);
switch (syllable_type) {
- case broken_cluster: /* We already inserted dotted-circles, so just call the consonant_syllable. */
- case consonant_syllable:
+ case myanmar_broken_cluster: /* We already inserted dotted-circles, so just call the consonant_syllable. */
+ case myanmar_consonant_syllable:
initial_reordering_consonant_syllable (buffer, start, end);
break;
- case punctuation_cluster:
- case non_myanmar_cluster:
+ case myanmar_punctuation_cluster:
+ case myanmar_non_myanmar_cluster:
break;
}
}
static inline void
-insert_dotted_circles (const hb_ot_shape_plan_t *plan HB_UNUSED,
- hb_font_t *font,
- hb_buffer_t *buffer)
+insert_dotted_circles_myanmar (const hb_ot_shape_plan_t *plan HB_UNUSED,
+ hb_font_t *font,
+ hb_buffer_t *buffer)
{
if (unlikely (buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE))
return;
- /* Note: This loop is extra overhead, but should not be measurable. */
+ /* Note: This loop is extra overhead, but should not be measurable.
+ * TODO Use a buffer scratch flag to remove the loop. */
bool has_broken_syllables = false;
unsigned int count = buffer->len;
hb_glyph_info_t *info = buffer->info;
for (unsigned int i = 0; i < count; i++)
- if ((info[i].syllable() & 0x0F) == broken_cluster)
+ if ((info[i].syllable() & 0x0F) == myanmar_broken_cluster)
{
has_broken_syllables = true;
break;
while (buffer->idx < buffer->len && buffer->successful)
{
unsigned int syllable = buffer->cur().syllable();
- syllable_type_t syllable_type = (syllable_type_t) (syllable & 0x0F);
- if (unlikely (last_syllable != syllable && syllable_type == broken_cluster))
+ myanmar_syllable_type_t syllable_type = (myanmar_syllable_type_t) (syllable & 0x0F);
+ if (unlikely (last_syllable != syllable && syllable_type == myanmar_broken_cluster))
{
last_syllable = syllable;
}
static void
-reorder (const hb_ot_shape_plan_t *plan,
- hb_font_t *font,
- hb_buffer_t *buffer)
+reorder_myanmar (const hb_ot_shape_plan_t *plan,
+ hb_font_t *font,
+ hb_buffer_t *buffer)
{
- insert_dotted_circles (plan, font, buffer);
+ insert_dotted_circles_myanmar (plan, font, buffer);
foreach_syllable (buffer, start, end)
- initial_reordering_syllable (plan, font->face, buffer, start, end);
+ reorder_syllable_myanmar (plan, font->face, buffer, start, end);
HB_BUFFER_DEALLOCATE_VAR (buffer, myanmar_category);
HB_BUFFER_DEALLOCATE_VAR (buffer, myanmar_position);
}
-static void
-clear_syllables (const hb_ot_shape_plan_t *plan HB_UNUSED,
- hb_font_t *font HB_UNUSED,
- hb_buffer_t *buffer)
-{
- hb_glyph_info_t *info = buffer->info;
- unsigned int count = buffer->len;
- for (unsigned int i = 0; i < count; i++)
- info[i].syllable() = 0;
-}
-
const hb_ot_complex_shaper_t _hb_ot_complex_shaper_myanmar =
{
HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
false, /* fallback_position */
};
+
+
+#endif
projects / platform / upstream / harfbuzz.git / blobdiff