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-rw-r--r--thirdparty/harfbuzz/src/hb-subset-plan.hh40
1 files changed, 27 insertions, 13 deletions
diff --git a/thirdparty/harfbuzz/src/hb-subset-plan.hh b/thirdparty/harfbuzz/src/hb-subset-plan.hh
index e9f603dd1d..92a4e27ccc 100644
--- a/thirdparty/harfbuzz/src/hb-subset-plan.hh
+++ b/thirdparty/harfbuzz/src/hb-subset-plan.hh
@@ -39,11 +39,8 @@ struct hb_subset_plan_t
{
hb_object_header_t header;
- bool successful : 1;
- bool drop_hints : 1;
- bool desubroutinize : 1;
- bool retain_gids : 1;
- bool name_legacy : 1;
+ bool successful;
+ unsigned flags;
// For each cp that we'd like to retain maps to the corresponding gid.
hb_set_t *unicodes;
@@ -54,9 +51,15 @@ struct hb_subset_plan_t
// name_languages we would like to retain
hb_set_t *name_languages;
+ //layout features which will be preserved
+ hb_set_t *layout_features;
+
//glyph ids requested to retain
hb_set_t *glyphs_requested;
+ // Tables which should not be processed, just pass them through.
+ hb_set_t *no_subset_tables;
+
// Tables which should be dropped.
hb_set_t *drop_tables;
@@ -79,10 +82,18 @@ struct hb_subset_plan_t
hb_map_t *gsub_lookups;
hb_map_t *gpos_lookups;
- //active features we'd like to retain
+ //active langsys we'd like to retain
+ hb_hashmap_t<unsigned, hb_set_t *, (unsigned)-1, nullptr> *gsub_langsys;
+ hb_hashmap_t<unsigned, hb_set_t *, (unsigned)-1, nullptr> *gpos_langsys;
+
+ //active features after removing redundant langsys and prune_features
hb_map_t *gsub_features;
hb_map_t *gpos_features;
+ //active layers/palettes we'd like to retain
+ hb_map_t *colrv1_layers;
+ hb_map_t *colr_palettes;
+
//The set of layout item variation store delta set indices to be retained
hb_set_t *layout_variation_indices;
//Old -> New layout item variation store delta set index mapping
@@ -172,12 +183,15 @@ struct hb_subset_plan_t
add_table (hb_tag_t tag,
hb_blob_t *contents)
{
- hb_blob_t *source_blob = source->reference_table (tag);
- DEBUG_MSG(SUBSET, nullptr, "add table %c%c%c%c, dest %d bytes, source %d bytes",
- HB_UNTAG(tag),
- hb_blob_get_length (contents),
- hb_blob_get_length (source_blob));
- hb_blob_destroy (source_blob);
+ if (HB_DEBUG_SUBSET)
+ {
+ hb_blob_t *source_blob = source->reference_table (tag);
+ DEBUG_MSG(SUBSET, nullptr, "add table %c%c%c%c, dest %d bytes, source %d bytes",
+ HB_UNTAG(tag),
+ hb_blob_get_length (contents),
+ hb_blob_get_length (source_blob));
+ hb_blob_destroy (source_blob);
+ }
return hb_face_builder_add_table (dest, tag, contents);
}
};
@@ -186,7 +200,7 @@ typedef struct hb_subset_plan_t hb_subset_plan_t;
HB_INTERNAL hb_subset_plan_t *
hb_subset_plan_create (hb_face_t *face,
- hb_subset_input_t *input);
+ const hb_subset_input_t *input);
HB_INTERNAL void
hb_subset_plan_destroy (hb_subset_plan_t *plan);