forked from Mirrors/wine-wine
dwrite: Set feature indices before collecting lookups.
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>feature/deterministic
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2aaa6d1af9
commit
093d6966be
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@ -508,6 +508,7 @@ extern struct scriptshaping_cache *fontface_get_shaping_cache(struct dwrite_font
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struct shaping_feature
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{
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unsigned int tag;
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unsigned int index;
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};
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struct shaping_features
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@ -4099,6 +4099,7 @@ static void opentype_layout_collect_lookups(struct scriptshaping_context *contex
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{
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UINT16 table_offset, langsys_offset, script_feature_count, total_feature_count, total_lookup_count;
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const struct ot_feature_list *feature_list;
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UINT16 feature_index;
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unsigned int i, j, l;
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/* ScriptTable offset. */
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@ -4132,20 +4133,36 @@ static void opentype_layout_collect_lookups(struct scriptshaping_context *contex
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if (!feature_list)
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return;
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/* Collect lookups for all given features. */
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for (i = 0; i < features->count; ++i)
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{
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BOOL found = FALSE;
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for (j = 0; j < script_feature_count; ++j)
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{
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UINT16 feature_index = table_read_be_word(&table->table, table->script_list + table_offset +
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feature_index = table_read_be_word(&table->table, table->script_list + table_offset +
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langsys_offset + FIELD_OFFSET(struct ot_langsys, feature_index[j]));
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if (feature_index >= total_feature_count)
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continue;
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if (feature_list->features[feature_index].tag == features->features[i].tag)
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{
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WORD feature_offset = GET_BE_WORD(feature_list->features[feature_index].offset);
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WORD lookup_count;
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found = TRUE;
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features->features[i].index = feature_index;
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break;
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}
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}
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if (!found)
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features->features[i].index = 0xffff;
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}
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/* Collect lookups for all given features. */
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for (i = 0; i < features->count; ++i)
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{
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feature_index = features->features[i].index;
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if (feature_index != 0xffff)
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{
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UINT16 feature_offset = GET_BE_WORD(feature_list->features[feature_index].offset);
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UINT16 lookup_count;
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lookup_count = table_read_be_word(&table->table, table->feature_list + feature_offset +
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FIELD_OFFSET(struct ot_feature, lookup_count));
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@ -4170,7 +4187,6 @@ static void opentype_layout_collect_lookups(struct scriptshaping_context *contex
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}
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}
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}
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}
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/* Sort lookups. */
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qsort(lookups->indexes, lookups->count, sizeof(*lookups->indexes), lookups_sorting_compare);
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