#include "hb-ot-cmap-table.hh"
#include "hb-ot-glyf-table.hh"
+#include "hb-ot-layout-gdef-table.hh"
+#include "hb-ot-layout-gpos-table.hh"
#include "hb-ot-cff1-table.hh"
+#include "hb-ot-color-colr-table.hh"
#include "hb-ot-var-fvar-table.hh"
#include "hb-ot-stat-table.hh"
+
#ifndef HB_NO_SUBSET_CFF
static inline void
_add_cff_seac_components (const OT::cff1::accelerator_t &cff,
#endif
#ifndef HB_NO_SUBSET_LAYOUT
+#ifdef HB_EXPERIMENTAL_API
+static void
+_remap_indexes (const hb_set_t *indexes,
+ hb_map_t *mapping /* OUT */)
+{
+ unsigned count = indexes->get_population ();
+
+ for (auto _ : + hb_zip (indexes->iter (), hb_range (count)))
+ mapping->set (_.first, _.second);
+
+}
+#endif
+
static inline void
-_gsub_closure (hb_face_t *face, hb_set_t *gids_to_retain)
+_gsub_closure_glyphs_lookups_features (hb_face_t *face,
+ hb_set_t *gids_to_retain,
+ hb_map_t *gsub_lookups,
+ hb_map_t *gsub_features)
{
hb_set_t lookup_indices;
hb_ot_layout_collect_lookups (face,
hb_ot_layout_lookups_substitute_closure (face,
&lookup_indices,
gids_to_retain);
+#ifdef HB_EXPERIMENTAL_API
+ hb_ot_layout_closure_lookups (face,
+ HB_OT_TAG_GSUB,
+ gids_to_retain,
+ &lookup_indices);
+ _remap_indexes (&lookup_indices, gsub_lookups);
+
+ //closure features
+ hb_set_t feature_indices;
+ hb_ot_layout_closure_features (face,
+ HB_OT_TAG_GSUB,
+ gsub_lookups,
+ &feature_indices);
+ _remap_indexes (&feature_indices, gsub_features);
+#endif
+}
+
+static inline void
+_gpos_closure_lookups_features (hb_face_t *face,
+ const hb_set_t *gids_to_retain,
+ hb_map_t *gpos_lookups,
+ hb_map_t *gpos_features)
+{
+ hb_set_t lookup_indices;
+ hb_ot_layout_collect_lookups (face,
+ HB_OT_TAG_GPOS,
+ nullptr,
+ nullptr,
+ nullptr,
+ &lookup_indices);
+#ifdef HB_EXPERIMENTAL_API
+ hb_ot_layout_closure_lookups (face,
+ HB_OT_TAG_GPOS,
+ gids_to_retain,
+ &lookup_indices);
+ _remap_indexes (&lookup_indices, gpos_lookups);
+
+ //closure features
+ hb_set_t feature_indices;
+ hb_ot_layout_closure_features (face,
+ HB_OT_TAG_GPOS,
+ gpos_lookups,
+ &feature_indices);
+ _remap_indexes (&feature_indices, gpos_features);
+#endif
+}
+#endif
+
+#ifndef HB_NO_VAR
+static inline void
+ _collect_layout_variation_indices (hb_face_t *face,
+ const hb_set_t *glyphset,
+ const hb_map_t *gpos_lookups,
+ hb_set_t *layout_variation_indices,
+ hb_map_t *layout_variation_idx_map)
+{
+ hb_blob_ptr_t<OT::GDEF> gdef = hb_sanitize_context_t ().reference_table<OT::GDEF> (face);
+ hb_blob_ptr_t<OT::GPOS> gpos = hb_sanitize_context_t ().reference_table<OT::GPOS> (face);
+
+ if (!gdef->has_data ())
+ {
+ gdef.destroy ();
+ gpos.destroy ();
+ return;
+ }
+ OT::hb_collect_variation_indices_context_t c (layout_variation_indices, glyphset, gpos_lookups);
+ gdef->collect_variation_indices (&c);
+
+ if (hb_ot_layout_has_positioning (face))
+ gpos->collect_variation_indices (&c);
+
+ gdef->remap_layout_variation_indices (layout_variation_indices, layout_variation_idx_map);
+
+ gdef.destroy ();
+ gpos.destroy ();
}
#endif
_populate_gids_to_retain (hb_subset_plan_t* plan,
const hb_set_t *unicodes,
const hb_set_t *input_glyphs_to_retain,
- bool close_over_gsub)
+ bool close_over_gsub,
+ bool close_over_gpos,
+ bool close_over_gdef)
{
OT::cmap::accelerator_t cmap;
OT::glyf::accelerator_t glyf;
+#ifndef HB_NO_SUBSET_CFF
OT::cff1::accelerator_t cff;
+#endif
+ OT::COLR::accelerator_t colr;
cmap.init (plan->source);
glyf.init (plan->source);
+#ifndef HB_NO_SUBSET_CFF
cff.init (plan->source);
+#endif
+ colr.init (plan->source);
plan->_glyphset_gsub->add (0); // Not-def
hb_set_union (plan->_glyphset_gsub, input_glyphs_to_retain);
#ifndef HB_NO_SUBSET_LAYOUT
if (close_over_gsub)
- // Add all glyphs needed for GSUB substitutions.
- _gsub_closure (plan->source, plan->_glyphset_gsub);
+ // closure all glyphs/lookups/features needed for GSUB substitutions.
+ _gsub_closure_glyphs_lookups_features (plan->source, plan->_glyphset_gsub, plan->gsub_lookups, plan->gsub_features);
+
+ if (close_over_gpos)
+ _gpos_closure_lookups_features (plan->source, plan->_glyphset_gsub, plan->gpos_lookups, plan->gpos_features);
#endif
_remove_invalid_gids (plan->_glyphset_gsub, plan->source->get_num_glyphs ());
if (cff.is_valid ())
_add_cff_seac_components (cff, gid, plan->_glyphset);
#endif
+ if (colr.is_valid ())
+ colr.closure_glyphs (gid, plan->_glyphset);
}
_remove_invalid_gids (plan->_glyphset, plan->source->get_num_glyphs ());
+#ifndef HB_NO_VAR
+ if (close_over_gdef)
+ _collect_layout_variation_indices (plan->source, plan->_glyphset, plan->gpos_lookups, plan->layout_variation_indices, plan->layout_variation_idx_map);
+#endif
+
+#ifndef HB_NO_SUBSET_CFF
cff.fini ();
+#endif
glyf.fini ();
cmap.fini ();
}
plan->drop_hints = input->drop_hints;
plan->desubroutinize = input->desubroutinize;
plan->retain_gids = input->retain_gids;
+ plan->name_legacy = input->name_legacy;
plan->unicodes = hb_set_create ();
plan->name_ids = hb_set_reference (input->name_ids);
_nameid_closure (face, plan->name_ids);
+ plan->name_languages = hb_set_reference (input->name_languages);
+ plan->glyphs_requested = hb_set_reference (input->glyphs);
plan->drop_tables = hb_set_reference (input->drop_tables);
plan->source = hb_face_reference (face);
plan->dest = hb_face_builder_create ();
plan->codepoint_to_glyph = hb_map_create ();
plan->glyph_map = hb_map_create ();
plan->reverse_glyph_map = hb_map_create ();
+ plan->gsub_lookups = hb_map_create ();
+ plan->gpos_lookups = hb_map_create ();
+ plan->gsub_features = hb_map_create ();
+ plan->gpos_features = hb_map_create ();
+ plan->layout_variation_indices = hb_set_create ();
+ plan->layout_variation_idx_map = hb_map_create ();
_populate_gids_to_retain (plan,
input->unicodes,
input->glyphs,
- !input->drop_tables->has (HB_OT_TAG_GSUB));
+ !input->drop_tables->has (HB_OT_TAG_GSUB),
+ !input->drop_tables->has (HB_OT_TAG_GPOS),
+ !input->drop_tables->has (HB_OT_TAG_GDEF));
_create_old_gid_to_new_gid_map (face,
input->retain_gids,
hb_set_destroy (plan->unicodes);
hb_set_destroy (plan->name_ids);
+ hb_set_destroy (plan->name_languages);
+ hb_set_destroy (plan->glyphs_requested);
hb_set_destroy (plan->drop_tables);
hb_face_destroy (plan->source);
hb_face_destroy (plan->dest);
hb_map_destroy (plan->reverse_glyph_map);
hb_set_destroy (plan->_glyphset);
hb_set_destroy (plan->_glyphset_gsub);
+ hb_map_destroy (plan->gsub_lookups);
+ hb_map_destroy (plan->gpos_lookups);
+ hb_map_destroy (plan->gsub_features);
+ hb_map_destroy (plan->gpos_features);
+ hb_set_destroy (plan->layout_variation_indices);
+ hb_map_destroy (plan->layout_variation_idx_map);
+
free (plan);
}
projects / platform / upstream / harfbuzz.git / blobdiff