[subset] hmtx space bracket. authors++
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@ -21,7 +21,7 @@
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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* Google Author(s): Behdad Esfahbod, Roderick Sheeter
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*/
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#ifndef HB_OT_HMTX_TABLE_HH
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@ -65,10 +65,10 @@ struct hmtxvmtx
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}
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inline bool subset_update_header(hb_subset_plan_t *plan,
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unsigned int num_hmetrics) const
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inline bool subset_update_header (hb_subset_plan_t *plan,
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unsigned int num_hmetrics) const
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{
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hb_blob_t *src_blob = OT::Sanitizer<H>().sanitize (plan->source->reference_table (H::tableTag));
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hb_blob_t *src_blob = OT::Sanitizer<H> ().sanitize (plan->source->reference_table (H::tableTag));
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hb_blob_t *dest_blob = hb_blob_copy_writable_or_fail(src_blob);
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hb_blob_destroy (src_blob);
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@ -77,7 +77,7 @@ struct hmtxvmtx
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}
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unsigned int length;
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H *table = (H *) hb_blob_get_data(dest_blob, &length);
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H *table = (H *) hb_blob_get_data (dest_blob, &length);
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table->numberOfLongMetrics.set (num_hmetrics);
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bool result = hb_subset_plan_add_table (plan, H::tableTag, dest_blob);
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@ -89,15 +89,15 @@ struct hmtxvmtx
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inline bool subset (hb_subset_plan_t *plan) const
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{
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typename T::accelerator_t _mtx;
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_mtx.init(plan->source);
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_mtx.init (plan->source);
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/* All the trailing glyphs with the same advance can use one LongMetric
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* and just keep LSB */
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hb_prealloced_array_t<hb_codepoint_t> &gids = plan->gids_to_retain_sorted;
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unsigned int num_advances = gids.len;
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unsigned int last_advance = _mtx.get_advance(gids[num_advances - 1]);
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unsigned int last_advance = _mtx.get_advance (gids[num_advances - 1]);
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while (num_advances > 1
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&& last_advance == _mtx.get_advance(gids[num_advances - 2]))
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&& last_advance == _mtx.get_advance (gids[num_advances - 2]))
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{
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num_advances--;
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}
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@ -105,7 +105,7 @@ struct hmtxvmtx
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/* alloc the new table */
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size_t dest_sz = num_advances * 4
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+ (gids.len - num_advances) * 2;
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void *dest = (void *) calloc(dest_sz, 1);
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void *dest = (void *) calloc (dest_sz, 1);
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if (unlikely (!dest))
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{
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return false;
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@ -113,7 +113,7 @@ struct hmtxvmtx
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DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in src has %d advances, %d lsbs", HB_UNTAG(T::tableTag), _mtx.num_advances, _mtx.num_metrics - _mtx.num_advances);
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DEBUG_MSG(SUBSET, nullptr, "%c%c%c%c in dest has %d advances, %d lsbs, %d bytes", HB_UNTAG(T::tableTag), num_advances, gids.len - num_advances, dest_sz);
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const char *source_table = hb_blob_get_data(_mtx.blob, nullptr);
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const char *source_table = hb_blob_get_data (_mtx.blob, nullptr);
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// Copy everything over
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LongMetric * old_metrics = (LongMetric *) source_table;
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FWORD *lsbs = (FWORD *) (old_metrics + _mtx.num_advances);
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@ -121,7 +121,7 @@ struct hmtxvmtx
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for (unsigned int i = 0; i < gids.len; i++)
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{
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/* the last metric or the one for gids[i] */
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LongMetric *src_metric = old_metrics + MIN(_mtx.num_advances - 1, gids[i]);
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LongMetric *src_metric = old_metrics + MIN (_mtx.num_advances - 1, gids[i]);
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if (gids[i] < _mtx.num_advances)
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{
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/* src is a LongMetric */
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@ -154,12 +154,12 @@ struct hmtxvmtx
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}
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dest_pos += (i < num_advances ? 4 : 2);
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}
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_mtx.fini();
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_mtx.fini ();
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// Amend header num hmetrics
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if (unlikely(!subset_update_header(plan, num_advances)))
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if (unlikely (!subset_update_header (plan, num_advances)))
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{
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free(dest);
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free (dest);
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return false;
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}
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@ -168,7 +168,7 @@ struct hmtxvmtx
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HB_MEMORY_MODE_READONLY,
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/* userdata */ nullptr,
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free);
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return hb_subset_plan_add_table(plan, T::tableTag, result);
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return hb_subset_plan_add_table (plan, T::tableTag, result);
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}
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struct accelerator_t
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@ -183,7 +183,7 @@ struct hmtxvmtx
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bool got_font_extents = false;
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if (T::os2Tag)
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{
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hb_blob_t *os2_blob = Sanitizer<os2>().sanitize (face->reference_table (T::os2Tag));
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hb_blob_t *os2_blob = Sanitizer<os2> ().sanitize (face->reference_table (T::os2Tag));
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const os2 *os2_table = Sanitizer<os2>::lock_instance (os2_blob);
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#define USE_TYPO_METRICS (1u<<7)
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if (0 != (os2_table->fsSelection & USE_TYPO_METRICS))
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@ -196,7 +196,7 @@ struct hmtxvmtx
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hb_blob_destroy (os2_blob);
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}
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hb_blob_t *_hea_blob = Sanitizer<H>().sanitize (face->reference_table (H::tableTag));
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hb_blob_t *_hea_blob = Sanitizer<H> ().sanitize (face->reference_table (H::tableTag));
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const H *_hea_table = Sanitizer<H>::lock_instance (_hea_blob);
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num_advances = _hea_table->numberOfLongMetrics;
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if (!got_font_extents)
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@ -210,7 +210,7 @@ struct hmtxvmtx
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has_font_extents = got_font_extents;
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blob = Sanitizer<hmtxvmtx>().sanitize (face->reference_table (T::tableTag));
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blob = Sanitizer<hmtxvmtx> ().sanitize (face->reference_table (T::tableTag));
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/* Cap num_metrics() and num_advances() based on table length. */
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unsigned int len = hb_blob_get_length (blob);
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@ -228,7 +228,7 @@ struct hmtxvmtx
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}
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table = Sanitizer<hmtxvmtx>::lock_instance (blob);
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var_blob = Sanitizer<HVARVVAR>().sanitize (face->reference_table (T::variationsTag));
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var_blob = Sanitizer<HVARVVAR> ().sanitize (face->reference_table (T::variationsTag));
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var_table = Sanitizer<HVARVVAR>::lock_instance (var_blob);
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}
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@ -257,7 +257,7 @@ struct hmtxvmtx
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inline unsigned int get_advance (hb_codepoint_t glyph,
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hb_font_t *font) const
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{
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return get_advance(glyph)
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return get_advance (glyph)
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+ (font->num_coords ? var_table->get_advance_var (glyph, font->coords, font->num_coords) : 0); // TODO Optimize?!
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}
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