diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh | 404 |
1 files changed, 328 insertions, 76 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh b/src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh index b632a1d9eb..835d87f8c6 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh @@ -68,7 +68,7 @@ public: hb_font_t *font; unsigned int palette_index; hb_color_t foreground; - VarStoreInstancer &instancer; + ItemVarStoreInstancer &instancer; hb_map_t current_glyphs; hb_map_t current_layers; int depth_left = HB_MAX_NESTING_LEVEL; @@ -80,7 +80,7 @@ public: hb_font_t *font_, unsigned int palette_, hb_color_t foreground_, - VarStoreInstancer &instancer_) : + ItemVarStoreInstancer &instancer_) : base (base_), funcs (funcs_), data (data_), @@ -159,23 +159,35 @@ struct hb_colrv1_closure_context_t : void add_palette_index (unsigned palette_index) { palette_indices->add (palette_index); } + void add_var_idxes (unsigned first_var_idx, unsigned num_idxes) + { + if (!num_idxes || first_var_idx == VarIdx::NO_VARIATION) return; + variation_indices->add_range (first_var_idx, first_var_idx + num_idxes - 1); + } + public: const void *base; hb_set_t visited_paint; hb_set_t *glyphs; hb_set_t *layer_indices; hb_set_t *palette_indices; + hb_set_t *variation_indices; + unsigned num_var_idxes; unsigned nesting_level_left; hb_colrv1_closure_context_t (const void *base_, hb_set_t *glyphs_, hb_set_t *layer_indices_, hb_set_t *palette_indices_, + hb_set_t *variation_indices_, + unsigned num_var_idxes_ = 1, unsigned nesting_level_left_ = HB_MAX_NESTING_LEVEL) : base (base_), glyphs (glyphs_), layer_indices (layer_indices_), palette_indices (palette_indices_), + variation_indices (variation_indices_), + num_var_idxes (num_var_idxes_), nesting_level_left (nesting_level_left_) {} }; @@ -242,18 +254,33 @@ struct Variable } void closurev1 (hb_colrv1_closure_context_t* c) const - { value.closurev1 (c); } + { + c->num_var_idxes = 0; + // update c->num_var_idxes during value closure + value.closurev1 (c); + c->add_var_idxes (varIdxBase, c->num_var_idxes); + } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); if (!value.subset (c, instancer, varIdxBase)) return_trace (false); if (c->plan->all_axes_pinned) return_trace (true); - //TODO: update varIdxBase for partial-instancing - return_trace (c->serializer->embed (varIdxBase)); + VarIdx new_varidx; + new_varidx = varIdxBase; + if (varIdxBase != VarIdx::NO_VARIATION) + { + hb_pair_t<unsigned, int> *new_varidx_delta; + if (!c->plan->colrv1_variation_idx_delta_map.has (varIdxBase, &new_varidx_delta)) + return_trace (false); + + new_varidx = hb_first (*new_varidx_delta); + } + + return_trace (c->serializer->embed (new_varidx)); } bool sanitize (hb_sanitize_context_t *c) const @@ -270,7 +297,7 @@ struct Variable void get_color_stop (hb_paint_context_t *c, hb_color_stop_t *stop, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { value.get_color_stop (c, stop, varIdxBase, instancer); } @@ -305,7 +332,7 @@ struct NoVariable { value.closurev1 (c); } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); return_trace (value.subset (c, instancer, varIdxBase)); @@ -325,7 +352,7 @@ struct NoVariable void get_color_stop (hb_paint_context_t *c, hb_color_stop_t *stop, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { value.get_color_stop (c, stop, VarIdx::NO_VARIATION, instancer); } @@ -345,10 +372,13 @@ struct NoVariable struct ColorStop { void closurev1 (hb_colrv1_closure_context_t* c) const - { c->add_palette_index (paletteIndex); } + { + c->add_palette_index (paletteIndex); + c->num_var_idxes = 2; + } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -374,7 +404,7 @@ struct ColorStop void get_color_stop (hb_paint_context_t *c, hb_color_stop_t *out, uint32_t varIdx, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { out->offset = stopOffset.to_float(instancer (varIdx, 0)); out->color = c->get_color (paletteIndex, @@ -410,7 +440,7 @@ struct ColorLine } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (this); @@ -439,7 +469,7 @@ struct ColorLine unsigned int start, unsigned int *count, hb_color_stop_t *color_stops, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { unsigned int len = stops.len; @@ -542,8 +572,11 @@ struct Affine2x3 return_trace (c->check_struct (this)); } + void closurev1 (hb_colrv1_closure_context_t* c) const + { c->num_var_idxes = 6; } + bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -588,7 +621,7 @@ struct PaintColrLayers void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer HB_UNUSED) const + const ItemVarStoreInstancer &instancer HB_UNUSED) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -617,10 +650,13 @@ struct PaintColrLayers struct PaintSolid { void closurev1 (hb_colrv1_closure_context_t* c) const - { c->add_palette_index (paletteIndex); } + { + c->add_palette_index (paletteIndex); + c->num_var_idxes = 1; + } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -666,10 +702,13 @@ template <template<typename> class Var> struct PaintLinearGradient { void closurev1 (hb_colrv1_closure_context_t* c) const - { (this+colorLine).closurev1 (c); } + { + (this+colorLine).closurev1 (c); + c->num_var_idxes = 6; + } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -733,10 +772,13 @@ template <template<typename> class Var> struct PaintRadialGradient { void closurev1 (hb_colrv1_closure_context_t* c) const - { (this+colorLine).closurev1 (c); } + { + (this+colorLine).closurev1 (c); + c->num_var_idxes = 6; + } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -800,10 +842,13 @@ template <template<typename> class Var> struct PaintSweepGradient { void closurev1 (hb_colrv1_closure_context_t* c) const - { (this+colorLine).closurev1 (c); } + { + (this+colorLine).closurev1 (c); + c->num_var_idxes = 4; + } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -863,7 +908,7 @@ struct PaintGlyph void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -906,7 +951,7 @@ struct PaintColrGlyph void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer HB_UNUSED) const + const ItemVarStoreInstancer &instancer HB_UNUSED) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -936,7 +981,7 @@ struct PaintTransform HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -975,7 +1020,7 @@ struct PaintTranslate HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1024,7 +1069,7 @@ struct PaintScale HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1073,7 +1118,7 @@ struct PaintScaleAroundCenter HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1132,7 +1177,7 @@ struct PaintScaleUniform HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1176,7 +1221,7 @@ struct PaintScaleUniformAroundCenter HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1232,7 +1277,7 @@ struct PaintRotate HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1276,7 +1321,7 @@ struct PaintRotateAroundCenter HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1332,7 +1377,7 @@ struct PaintSkew HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1381,7 +1426,7 @@ struct PaintSkewAroundCenter HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1440,7 +1485,7 @@ struct PaintComposite void closurev1 (hb_colrv1_closure_context_t* c) const; bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -1491,7 +1536,7 @@ struct ClipBoxFormat1 return_trace (c->check_struct (this)); } - void get_clip_box (ClipBoxData &clip_box, const VarStoreInstancer &instancer HB_UNUSED) const + void get_clip_box (ClipBoxData &clip_box, const ItemVarStoreInstancer &instancer HB_UNUSED) const { clip_box.xMin = xMin; clip_box.yMin = yMin; @@ -1500,7 +1545,7 @@ struct ClipBoxFormat1 } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, uint32_t varIdxBase) const { TRACE_SUBSET (this); @@ -1533,7 +1578,7 @@ struct ClipBoxFormat1 struct ClipBoxFormat2 : Variable<ClipBoxFormat1> { - void get_clip_box (ClipBoxData &clip_box, const VarStoreInstancer &instancer) const + void get_clip_box (ClipBoxData &clip_box, const ItemVarStoreInstancer &instancer) const { value.get_clip_box(clip_box, instancer); if (instancer) @@ -1544,12 +1589,15 @@ struct ClipBoxFormat2 : Variable<ClipBoxFormat1> clip_box.yMax += roundf (instancer (varIdxBase, 3)); } } + + void closurev1 (hb_colrv1_closure_context_t* c) const + { c->variation_indices->add_range (varIdxBase, varIdxBase + 3); } }; struct ClipBox { bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); switch (u.format) { @@ -1559,6 +1607,14 @@ struct ClipBox } } + void closurev1 (hb_colrv1_closure_context_t* c) const + { + switch (u.format) { + case 2: u.format2.closurev1 (c); + default:return; + } + } + template <typename context_t, typename ...Ts> typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const { @@ -1572,7 +1628,7 @@ struct ClipBox } bool get_extents (hb_glyph_extents_t *extents, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { ClipBoxData clip_box; switch (u.format) { @@ -1606,9 +1662,15 @@ struct ClipRecord int cmp (hb_codepoint_t g) const { return g < startGlyphID ? -1 : g <= endGlyphID ? 0 : +1; } + void closurev1 (hb_colrv1_closure_context_t* c, const void *base) const + { + if (!c->glyphs->intersects (startGlyphID, endGlyphID)) return; + (base+clipBox).closurev1 (c); + } + bool subset (hb_subset_context_t *c, const void *base, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (*this); @@ -1625,7 +1687,7 @@ struct ClipRecord bool get_extents (hb_glyph_extents_t *extents, const void *base, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { return (base+clipBox).get_extents (extents, instancer); } @@ -1642,7 +1704,7 @@ DECLARE_NULL_NAMESPACE_BYTES (OT, ClipRecord); struct ClipList { unsigned serialize_clip_records (hb_subset_context_t *c, - const VarStoreInstancer &instancer, + const ItemVarStoreInstancer &instancer, const hb_set_t& gids, const hb_map_t& gid_offset_map) const { @@ -1695,7 +1757,7 @@ struct ClipList } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (*this); @@ -1735,7 +1797,7 @@ struct ClipList bool get_extents (hb_codepoint_t gid, hb_glyph_extents_t *extents, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { auto *rec = clips.as_array ().bsearch (gid); if (rec) @@ -1855,7 +1917,7 @@ struct BaseGlyphPaintRecord bool serialize (hb_serialize_context_t *s, const hb_map_t* glyph_map, const void* src_base, hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SERIALIZE (this); auto *out = s->embed (this); @@ -1884,7 +1946,7 @@ struct BaseGlyphPaintRecord struct BaseGlyphList : SortedArray32Of<BaseGlyphPaintRecord> { bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (this); @@ -1916,7 +1978,7 @@ struct LayerList : Array32OfOffset32To<Paint> { return this+(*this)[i]; } bool subset (hb_subset_context_t *c, - const VarStoreInstancer &instancer) const + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (this); @@ -1941,6 +2003,76 @@ struct LayerList : Array32OfOffset32To<Paint> } }; +struct delta_set_index_map_subset_plan_t +{ + unsigned get_inner_bit_count () const { return inner_bit_count; } + unsigned get_width () const { return ((outer_bit_count + inner_bit_count + 7) / 8); } + hb_array_t<const uint32_t> get_output_map () const { return output_map.as_array (); } + + delta_set_index_map_subset_plan_t (const hb_map_t &new_deltaset_idx_varidx_map) + { + map_count = 0; + outer_bit_count = 0; + inner_bit_count = 1; + output_map.init (); + + /* search backwards */ + unsigned count = new_deltaset_idx_varidx_map.get_population (); + if (!count) return; + + unsigned last_idx = (unsigned)-1; + unsigned last_varidx = (unsigned)-1; + + for (unsigned i = count; i; i--) + { + unsigned delta_set_idx = i - 1; + unsigned var_idx = new_deltaset_idx_varidx_map.get (delta_set_idx); + if (i == count) + { + last_idx = delta_set_idx; + last_varidx = var_idx; + continue; + } + if (var_idx != last_varidx) + break; + last_idx = delta_set_idx; + } + + map_count = last_idx + 1; + } + + bool remap (const hb_map_t &new_deltaset_idx_varidx_map) + { + /* recalculate bit_count */ + outer_bit_count = 1; + inner_bit_count = 1; + + if (unlikely (!output_map.resize (map_count, false))) return false; + + for (unsigned idx = 0; idx < map_count; idx++) + { + uint32_t *var_idx; + if (!new_deltaset_idx_varidx_map.has (idx, &var_idx)) return false; + output_map.arrayZ[idx] = *var_idx; + + unsigned outer = (*var_idx) >> 16; + unsigned bit_count = (outer == 0) ? 1 : hb_bit_storage (outer); + outer_bit_count = hb_max (bit_count, outer_bit_count); + + unsigned inner = (*var_idx) & 0xFFFF; + bit_count = (inner == 0) ? 1 : hb_bit_storage (inner); + inner_bit_count = hb_max (bit_count, inner_bit_count); + } + return true; + } + + private: + unsigned map_count; + unsigned outer_bit_count; + unsigned inner_bit_count; + hb_vector_t<uint32_t> output_map; +}; + struct COLR { static constexpr hb_tag_t tableTag = HB_OT_TAG_COLR; @@ -1992,8 +2124,22 @@ struct COLR void closure_forV1 (hb_set_t *glyphset, hb_set_t *layer_indices, - hb_set_t *palette_indices) const - { colr->closure_forV1 (glyphset, layer_indices, palette_indices); } + hb_set_t *palette_indices, + hb_set_t *variation_indices, + hb_set_t *delta_set_indices) const + { colr->closure_forV1 (glyphset, layer_indices, palette_indices, variation_indices, delta_set_indices); } + + bool has_var_store () const + { return colr->has_var_store (); } + + const ItemVariationStore &get_var_store () const + { return colr->get_var_store (); } + + bool has_delta_set_index_map () const + { return colr->has_delta_set_index_map (); } + + const DeltaSetIndexMap &get_delta_set_index_map () const + { return colr->get_delta_set_index_map (); } private: hb_blob_ptr_t<COLR> colr; @@ -2030,14 +2176,16 @@ struct COLR void closure_forV1 (hb_set_t *glyphset, hb_set_t *layer_indices, - hb_set_t *palette_indices) const + hb_set_t *palette_indices, + hb_set_t *variation_indices, + hb_set_t *delta_set_indices) const { if (version != 1) return; hb_barrier (); hb_set_t visited_glyphs; - hb_colrv1_closure_context_t c (this, &visited_glyphs, layer_indices, palette_indices); + hb_colrv1_closure_context_t c (this, &visited_glyphs, layer_indices, palette_indices, variation_indices); const BaseGlyphList &baseglyph_paintrecords = this+baseGlyphList; for (const BaseGlyphPaintRecord &baseglyph_paintrecord: baseglyph_paintrecords.iter ()) @@ -2049,6 +2197,22 @@ struct COLR paint.dispatch (&c); } hb_set_union (glyphset, &visited_glyphs); + + const ClipList &cliplist = this+clipList; + c.glyphs = glyphset; + for (const ClipRecord &clip_record : cliplist.clips.iter()) + clip_record.closurev1 (&c, &cliplist); + + // if a DeltaSetIndexMap is included, collected variation indices are + // actually delta set indices, we need to map them into variation indices + if (has_delta_set_index_map ()) + { + const DeltaSetIndexMap &var_idx_map = this+varIdxMap; + delta_set_indices->set (*variation_indices); + variation_indices->clear (); + for (unsigned delta_set_idx : *delta_set_indices) + variation_indices->add (var_idx_map.map (delta_set_idx)); + } } const LayerList& get_layerList () const @@ -2057,6 +2221,18 @@ struct COLR const BaseGlyphList& get_baseglyphList () const { return (this+baseGlyphList); } + bool has_var_store () const + { return version >= 1 && varStore != 0; } + + bool has_delta_set_index_map () const + { return version >= 1 && varIdxMap != 0; } + + const DeltaSetIndexMap &get_delta_set_index_map () const + { return (version == 0 || varIdxMap == 0) ? Null (DeltaSetIndexMap) : this+varIdxMap; } + + const ItemVariationStore &get_var_store () const + { return (version == 0 || varStore == 0) ? Null (ItemVariationStore) : this+varStore; } + bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); @@ -2132,6 +2308,88 @@ struct COLR return record; } + bool downgrade_to_V0 (const hb_set_t &glyphset) const + { + //no more COLRv1 glyphs, downgrade to version 0 + for (const BaseGlyphPaintRecord& _ : get_baseglyphList ()) + if (glyphset.has (_.glyphId)) + return false; + + return true; + } + + bool subset_varstore (hb_subset_context_t *c, + COLR* out /* OUT */) const + { + TRACE_SUBSET (this); + if (!varStore || c->plan->all_axes_pinned || + !c->plan->colrv1_variation_idx_delta_map) + return_trace (true); + + const ItemVariationStore& var_store = this+varStore; + if (c->plan->normalized_coords) + { + item_variations_t item_vars; + /* turn off varstore optimization when varIdxMap is null, so we maintain + * original var_idx sequence */ + bool optimize = (varIdxMap != 0) ? true : false; + if (!item_vars.instantiate (var_store, c->plan, + optimize, /* optimization */ + optimize, /* use_no_variation_idx = false */ + c->plan->colrv1_varstore_inner_maps.as_array ())) + return_trace (false); + + if (!out->varStore.serialize_serialize (c->serializer, + item_vars.has_long_word (), + c->plan->axis_tags, + item_vars.get_region_list (), + item_vars.get_vardata_encodings ())) + return_trace (false); + + /* if varstore is optimized, update colrv1_new_deltaset_idx_varidx_map in + * subset plan */ + if (optimize) + { + const hb_map_t &varidx_map = item_vars.get_varidx_map (); + for (auto _ : c->plan->colrv1_new_deltaset_idx_varidx_map.iter_ref ()) + { + uint32_t varidx = _.second; + uint32_t *new_varidx; + if (varidx_map.has (varidx, &new_varidx)) + _.second = *new_varidx; + else + _.second = VarIdx::NO_VARIATION; + } + } + } + else + { + if (unlikely (!out->varStore.serialize_serialize (c->serializer, + &var_store, + c->plan->colrv1_varstore_inner_maps.as_array ()))) + return_trace (false); + } + + return_trace (true); + } + + bool subset_delta_set_index_map (hb_subset_context_t *c, + COLR* out /* OUT */) const + { + TRACE_SUBSET (this); + if (!varIdxMap || c->plan->all_axes_pinned || + !c->plan->colrv1_new_deltaset_idx_varidx_map) + return_trace (true); + + const hb_map_t &deltaset_idx_varidx_map = c->plan->colrv1_new_deltaset_idx_varidx_map; + delta_set_index_map_subset_plan_t index_map_plan (deltaset_idx_varidx_map); + + if (unlikely (!index_map_plan.remap (deltaset_idx_varidx_map))) + return_trace (false); + + return_trace (out->varIdxMap.serialize_serialize (c->serializer, index_map_plan)); + } + bool subset (hb_subset_context_t *c) const { TRACE_SUBSET (this); @@ -2200,34 +2458,28 @@ struct COLR auto *colr_prime = c->serializer->start_embed<COLR> (); if (unlikely (!c->serializer->extend_min (colr_prime))) return_trace (false); - if (version == 0) - return_trace (colr_prime->serialize_V0 (c->serializer, version, base_it, layer_it)); + if (version == 0 || downgrade_to_V0 (glyphset)) + return_trace (colr_prime->serialize_V0 (c->serializer, 0, base_it, layer_it)); - auto snap = c->serializer->snapshot (); + //start version 1 if (!c->serializer->allocate_size<void> (5 * HBUINT32::static_size)) return_trace (false); + if (!colr_prime->serialize_V0 (c->serializer, version, base_it, layer_it)) return_trace (false); + + /* subset ItemVariationStore first, cause varidx_map needs to be updated + * after instancing */ + if (!subset_varstore (c, colr_prime)) return_trace (false); - VarStoreInstancer instancer (varStore ? &(this+varStore) : nullptr, + ItemVarStoreInstancer instancer (varStore ? &(this+varStore) : nullptr, varIdxMap ? &(this+varIdxMap) : nullptr, c->plan->normalized_coords.as_array ()); if (!colr_prime->baseGlyphList.serialize_subset (c, baseGlyphList, this, instancer)) - { - if (c->serializer->in_error ()) return_trace (false); - //no more COLRv1 glyphs: downgrade to version 0 - c->serializer->revert (snap); - return_trace (colr_prime->serialize_V0 (c->serializer, 0, base_it, layer_it)); - } - - if (!colr_prime->serialize_V0 (c->serializer, version, base_it, layer_it)) return_trace (false); + return_trace (false); colr_prime->layerList.serialize_subset (c, layerList, this, instancer); colr_prime->clipList.serialize_subset (c, clipList, this, instancer); - if (!varStore || c->plan->all_axes_pinned) - return_trace (true); - colr_prime->varIdxMap.serialize_copy (c->serializer, varIdxMap, this); - colr_prime->varStore.serialize_copy (c->serializer, varStore, this); - return_trace (true); + return_trace (subset_delta_set_index_map (c, colr_prime)); } const Paint *get_base_glyph_paint (hb_codepoint_t glyph) const @@ -2250,7 +2502,7 @@ struct COLR if (version != 1) return false; - VarStoreInstancer instancer (&(this+varStore), + ItemVarStoreInstancer instancer (&(this+varStore), &(this+varIdxMap), hb_array (font->coords, font->num_coords)); @@ -2301,7 +2553,7 @@ struct COLR bool get_clip (hb_codepoint_t glyph, hb_glyph_extents_t *extents, - const VarStoreInstancer instancer) const + const ItemVarStoreInstancer instancer) const { return (this+clipList).get_extents (glyph, extents, @@ -2312,7 +2564,7 @@ struct COLR bool paint_glyph (hb_font_t *font, hb_codepoint_t glyph, hb_paint_funcs_t *funcs, void *data, unsigned int palette_index, hb_color_t foreground, bool clip = true) const { - VarStoreInstancer instancer (&(this+varStore), + ItemVarStoreInstancer instancer (&(this+varStore), &(this+varIdxMap), hb_array (font->coords, font->num_coords)); hb_paint_context_t c (this, funcs, data, font, palette_index, foreground, instancer); @@ -2327,7 +2579,7 @@ struct COLR { // COLRv1 glyph - VarStoreInstancer instancer (&(this+varStore), + ItemVarStoreInstancer instancer (&(this+varStore), &(this+varIdxMap), hb_array (font->coords, font->num_coords)); @@ -2413,7 +2665,7 @@ struct COLR Offset32To<LayerList> layerList; Offset32To<ClipList> clipList; // Offset to ClipList table (may be NULL) Offset32To<DeltaSetIndexMap> varIdxMap; // Offset to DeltaSetIndexMap table (may be NULL) - Offset32To<VariationStore> varStore; + Offset32To<ItemVariationStore> varStore; public: DEFINE_SIZE_MIN (14); }; |