diff options
Diffstat (limited to 'chromium/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc')
-rw-r--r-- | chromium/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/chromium/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc b/chromium/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc index 6531e1b215c..2a6a4390030 100644 --- a/chromium/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc +++ b/chromium/third_party/harfbuzz-ng/src/hb-ot-shape-normalize.cc @@ -213,8 +213,9 @@ decompose_current_character (const hb_ot_shape_normalize_context_t *c, bool shor } static inline void -handle_variation_selector_cluster (const hb_ot_shape_normalize_context_t *c, unsigned int end) +handle_variation_selector_cluster (const hb_ot_shape_normalize_context_t *c, unsigned int end, bool short_circuit) { + /* TODO Currently if there's a variation-selector we give-up, it's just too hard. */ hb_buffer_t * const buffer = c->buffer; hb_font_t * const font = c->font; for (; buffer->idx < end - 1;) { @@ -250,27 +251,26 @@ handle_variation_selector_cluster (const hb_ot_shape_normalize_context_t *c, uns } static inline void -decompose_multi_char_cluster (const hb_ot_shape_normalize_context_t *c, unsigned int end) +decompose_multi_char_cluster (const hb_ot_shape_normalize_context_t *c, unsigned int end, bool short_circuit) { hb_buffer_t * const buffer = c->buffer; - /* TODO Currently if there's a variation-selector we give-up, it's just too hard. */ for (unsigned int i = buffer->idx; i < end; i++) if (unlikely (buffer->unicode->is_variation_selector (buffer->info[i].codepoint))) { - handle_variation_selector_cluster (c, end); + handle_variation_selector_cluster (c, end, short_circuit); return; } while (buffer->idx < end) - decompose_current_character (c, false); + decompose_current_character (c, short_circuit); } static inline void -decompose_cluster (const hb_ot_shape_normalize_context_t *c, bool short_circuit, unsigned int end) +decompose_cluster (const hb_ot_shape_normalize_context_t *c, unsigned int end, bool might_short_circuit, bool always_short_circuit) { if (likely (c->buffer->idx + 1 == end)) - decompose_current_character (c, short_circuit); + decompose_current_character (c, might_short_circuit); else - decompose_multi_char_cluster (c, end); + decompose_multi_char_cluster (c, end, always_short_circuit); } @@ -289,9 +289,7 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan, hb_buffer_t *buffer, hb_font_t *font) { - hb_ot_shape_normalization_mode_t mode = plan->shaper->normalization_preference ? - plan->shaper->normalization_preference (&buffer->props) : - HB_OT_SHAPE_NORMALIZATION_MODE_DEFAULT; + hb_ot_shape_normalization_mode_t mode = plan->shaper->normalization_preference; const hb_ot_shape_normalize_context_t c = { plan, buffer, @@ -301,8 +299,10 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan, plan->shaper->compose ? plan->shaper->compose : compose_unicode }; - bool short_circuit = mode != HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED && - mode != HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT; + bool always_short_circuit = mode == HB_OT_SHAPE_NORMALIZATION_MODE_NONE; + bool might_short_circuit = always_short_circuit || + (mode != HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED && + mode != HB_OT_SHAPE_NORMALIZATION_MODE_COMPOSED_DIACRITICS_NO_SHORT_CIRCUIT); unsigned int count; /* We do a fairly straightforward yet custom normalization process in three @@ -323,7 +323,7 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan, if (buffer->cur().cluster != buffer->info[end].cluster) break; - decompose_cluster (&c, short_circuit, end); + decompose_cluster (&c, end, might_short_circuit, always_short_circuit); } buffer->swap_buffers (); @@ -355,7 +355,8 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan, } - if (mode == HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED) + if (mode == HB_OT_SHAPE_NORMALIZATION_MODE_NONE || + mode == HB_OT_SHAPE_NORMALIZATION_MODE_DECOMPOSED) return; /* Third round, recompose */ @@ -393,8 +394,9 @@ _hb_ot_shape_normalize (const hb_ot_shape_plan_t *plan, return; buffer->merge_out_clusters (starter, buffer->out_len); buffer->out_len--; /* Remove the second composable. */ - buffer->out_info[starter].codepoint = composed; /* Modify starter and carry on. */ - set_glyph (buffer->out_info[starter], font); + /* Modify starter and carry on. */ + buffer->out_info[starter].codepoint = composed; + buffer->out_info[starter].glyph_index() = glyph; _hb_glyph_info_set_unicode_props (&buffer->out_info[starter], buffer->unicode); continue; |