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 | 802 |
1 files changed, 674 insertions, 128 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 31be6585dd..835d87f8c6 100644 --- a/src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh +++ b/src/3rdparty/harfbuzz-ng/src/OT/Color/COLR/COLR.hh @@ -40,7 +40,6 @@ */ #define HB_OT_TAG_COLR HB_TAG('C','O','L','R') - namespace OT { struct hb_paint_context_t; } @@ -54,6 +53,7 @@ struct Paint; struct hb_paint_context_t : hb_dispatch_context_t<hb_paint_context_t> { + const char *get_name () { return "PAINT"; } template <typename T> return_t dispatch (const T &obj) { obj.paint_glyph (this); return hb_empty_t (); } static return_t default_return_value () { return hb_empty_t (); } @@ -68,7 +68,9 @@ 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; int edge_count = HB_COLRV1_MAX_EDGE_COUNT; @@ -78,7 +80,7 @@ public: hb_font_t *font_, unsigned int palette_, hb_color_t foreground_, - VarStoreInstancer &instancer_) : + ItemVarStoreInstancer &instancer_) : base (base_), funcs (funcs_), data (data_), @@ -157,23 +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_) {} }; @@ -240,13 +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 + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); - if (!value.subset (c)) return_trace (false); - return_trace (c->serializer->embed (varIdxBase)); + if (!value.subset (c, instancer, varIdxBase)) return_trace (false); + if (c->plan->all_axes_pinned) + return_trace (true); + + 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 @@ -257,12 +291,13 @@ struct Variable void paint_glyph (hb_paint_context_t *c) const { + TRACE_PAINT (this); value.paint_glyph (c, varIdxBase); } 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); } @@ -277,7 +312,7 @@ struct Variable public: VarIdx varIdxBase; public: - DEFINE_SIZE_STATIC (4 + T::static_size); + DEFINE_SIZE_MIN (VarIdx::static_size + T::min_size); }; template <typename T> @@ -296,10 +331,11 @@ struct NoVariable void closurev1 (hb_colrv1_closure_context_t* c) const { value.closurev1 (c); } - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); - return_trace (value.subset (c)); + return_trace (value.subset (c, instancer, varIdxBase)); } bool sanitize (hb_sanitize_context_t *c) const @@ -310,12 +346,13 @@ struct NoVariable void paint_glyph (hb_paint_context_t *c) const { + TRACE_PAINT (this); value.paint_glyph (c, varIdxBase); } 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); } @@ -327,7 +364,7 @@ struct NoVariable T value; public: - DEFINE_SIZE_STATIC (T::static_size); + DEFINE_SIZE_MIN (T::min_size); }; // Color structures @@ -335,13 +372,25 @@ 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 + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (*this); if (unlikely (!out)) return_trace (false); + + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->stopOffset.set_float (stopOffset.to_float(instancer (varIdxBase, 0))); + out->alpha.set_float (alpha.to_float (instancer (varIdxBase, 1))); + } + return_trace (c->serializer->check_assign (out->paletteIndex, c->plan->colr_palettes.get (paletteIndex), HB_SERIALIZE_ERROR_INT_OVERFLOW)); } @@ -355,7 +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, @@ -390,11 +439,11 @@ struct ColorLine stop.closurev1 (c); } - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (this); - if (unlikely (!out)) return_trace (false); if (unlikely (!c->serializer->extend_min (out))) return_trace (false); if (!c->serializer->check_assign (out->extend, extend, HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false); @@ -402,7 +451,7 @@ struct ColorLine for (const auto& stop : stops.iter ()) { - if (!stop.subset (c)) return_trace (false); + if (!stop.subset (c, instancer)) return_trace (false); } return_trace (true); } @@ -420,7 +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; @@ -523,8 +572,31 @@ 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 ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->embed (*this); + if (unlikely (!out)) return_trace (false); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->xx.set_float (xx.to_float(instancer (varIdxBase, 0))); + out->yx.set_float (yx.to_float(instancer (varIdxBase, 1))); + out->xy.set_float (xy.to_float(instancer (varIdxBase, 2))); + out->yy.set_float (yy.to_float(instancer (varIdxBase, 3))); + out->dx.set_float (dx.to_float(instancer (varIdxBase, 4))); + out->dy.set_float (dy.to_float(instancer (varIdxBase, 5))); + } + return_trace (true); + } + void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); c->funcs->push_transform (c->data, xx.to_float (c->instancer (varIdxBase, 0)), yx.to_float (c->instancer (varIdxBase, 1)), @@ -548,7 +620,8 @@ struct PaintColrLayers { void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer HB_UNUSED) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -577,13 +650,25 @@ 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 + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (*this); if (unlikely (!out)) return_trace (false); + + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + out->alpha.set_float (alpha.to_float (instancer (varIdxBase, 0))); + + if (format == 3 && c->plan->all_axes_pinned) + out->format = 2; + return_trace (c->serializer->check_assign (out->paletteIndex, c->plan->colr_palettes.get (paletteIndex), HB_SERIALIZE_ERROR_INT_OVERFLOW)); } @@ -596,6 +681,7 @@ struct PaintSolid void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); hb_bool_t is_foreground; hb_color_t color; @@ -616,15 +702,33 @@ 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 + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->colorLine.serialize_subset (c, colorLine, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->x0 = x0 + (int) roundf (instancer (varIdxBase, 0)); + out->y0 = y0 + (int) roundf (instancer (varIdxBase, 1)); + out->x1 = x1 + (int) roundf (instancer (varIdxBase, 2)); + out->y1 = y1 + (int) roundf (instancer (varIdxBase, 3)); + out->x2 = x2 + (int) roundf (instancer (varIdxBase, 4)); + out->y2 = y2 + (int) roundf (instancer (varIdxBase, 5)); + } + + if (format == 5 && c->plan->all_axes_pinned) + out->format = 4; + + return_trace (out->colorLine.serialize_subset (c, colorLine, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -635,6 +739,7 @@ struct PaintLinearGradient void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); hb_color_line_t cl = { (void *) &(this+colorLine), (this+colorLine).static_get_color_stops, c, @@ -667,15 +772,33 @@ 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 + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->colorLine.serialize_subset (c, colorLine, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->x0 = x0 + (int) roundf (instancer (varIdxBase, 0)); + out->y0 = y0 + (int) roundf (instancer (varIdxBase, 1)); + out->radius0 = radius0 + (unsigned) roundf (instancer (varIdxBase, 2)); + out->x1 = x1 + (int) roundf (instancer (varIdxBase, 3)); + out->y1 = y1 + (int) roundf (instancer (varIdxBase, 4)); + out->radius1 = radius1 + (unsigned) roundf (instancer (varIdxBase, 5)); + } + + if (format == 7 && c->plan->all_axes_pinned) + out->format = 6; + + return_trace (out->colorLine.serialize_subset (c, colorLine, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -686,6 +809,7 @@ struct PaintRadialGradient void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); hb_color_line_t cl = { (void *) &(this+colorLine), (this+colorLine).static_get_color_stops, c, @@ -718,15 +842,31 @@ 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 + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->colorLine.serialize_subset (c, colorLine, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->centerX = centerX + (int) roundf (instancer (varIdxBase, 0)); + out->centerY = centerY + (int) roundf (instancer (varIdxBase, 1)); + out->startAngle.set_float (startAngle.to_float (instancer (varIdxBase, 2))); + out->endAngle.set_float (endAngle.to_float (instancer (varIdxBase, 3))); + } + + if (format == 9 && c->plan->all_axes_pinned) + out->format = 8; + + return_trace (out->colorLine.serialize_subset (c, colorLine, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -737,6 +877,7 @@ struct PaintSweepGradient void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); hb_color_line_t cl = { (void *) &(this+colorLine), (this+colorLine).static_get_color_stops, c, @@ -746,8 +887,8 @@ struct PaintSweepGradient c->funcs->sweep_gradient (c->data, &cl, centerX + c->instancer (varIdxBase, 0), centerY + c->instancer (varIdxBase, 1), - (startAngle.to_float (c->instancer (varIdxBase, 2)) + 1) * (float) M_PI, - (endAngle.to_float (c->instancer (varIdxBase, 3)) + 1) * (float) M_PI); + (startAngle.to_float (c->instancer (varIdxBase, 2)) + 1) * HB_PI, + (endAngle.to_float (c->instancer (varIdxBase, 3)) + 1) * HB_PI); } HBUINT8 format; /* format = 8(noVar) or 9 (Var) */ @@ -766,7 +907,8 @@ struct PaintGlyph { void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -776,7 +918,7 @@ struct PaintGlyph HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false); - return_trace (out->paint.serialize_subset (c, paint, this)); + return_trace (out->paint.serialize_subset (c, paint, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -787,6 +929,7 @@ struct PaintGlyph void paint_glyph (hb_paint_context_t *c) const { + TRACE_PAINT (this); c->funcs->push_inverse_root_transform (c->data, c->font); c->funcs->push_clip_glyph (c->data, gid, c->font); c->funcs->push_root_transform (c->data, c->font); @@ -807,7 +950,8 @@ struct PaintColrGlyph { void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer HB_UNUSED) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); @@ -836,13 +980,16 @@ struct PaintTransform { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - if (!out->transform.serialize_copy (c->serializer, transform, this)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (!out->transform.serialize_subset (c, transform, this, instancer)) return_trace (false); + if (format == 13 && c->plan->all_axes_pinned) + out->format = 12; + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -855,6 +1002,7 @@ struct PaintTransform void paint_glyph (hb_paint_context_t *c) const { + TRACE_PAINT (this); (this+transform).paint_glyph (c); c->recurse (this+src); c->funcs->pop_transform (c->data); @@ -871,13 +1019,24 @@ struct PaintTranslate { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->dx = dx + (int) roundf (instancer (varIdxBase, 0)); + out->dy = dy + (int) roundf (instancer (varIdxBase, 1)); + } + + if (format == 15 && c->plan->all_axes_pinned) + out->format = 14; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -888,6 +1047,7 @@ struct PaintTranslate void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float ddx = dx + c->instancer (varIdxBase, 0); float ddy = dy + c->instancer (varIdxBase, 1); @@ -908,13 +1068,24 @@ struct PaintScale { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->scaleX.set_float (scaleX.to_float (instancer (varIdxBase, 0))); + out->scaleY.set_float (scaleY.to_float (instancer (varIdxBase, 1))); + } + + if (format == 17 && c->plan->all_axes_pinned) + out->format = 16; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -925,6 +1096,7 @@ struct PaintScale void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float sx = scaleX.to_float (c->instancer (varIdxBase, 0)); float sy = scaleY.to_float (c->instancer (varIdxBase, 1)); @@ -945,13 +1117,26 @@ struct PaintScaleAroundCenter { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->scaleX.set_float (scaleX.to_float (instancer (varIdxBase, 0))); + out->scaleY.set_float (scaleY.to_float (instancer (varIdxBase, 1))); + out->centerX = centerX + (int) roundf (instancer (varIdxBase, 2)); + out->centerY = centerY + (int) roundf (instancer (varIdxBase, 3)); + } + + if (format == 19 && c->plan->all_axes_pinned) + out->format = 18; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -962,6 +1147,7 @@ struct PaintScaleAroundCenter void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float sx = scaleX.to_float (c->instancer (varIdxBase, 0)); float sy = scaleY.to_float (c->instancer (varIdxBase, 1)); float tCenterX = centerX + c->instancer (varIdxBase, 2); @@ -990,13 +1176,21 @@ struct PaintScaleUniform { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + out->scale.set_float (scale.to_float (instancer (varIdxBase, 0))); + + if (format == 21 && c->plan->all_axes_pinned) + out->format = 20; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -1007,6 +1201,7 @@ struct PaintScaleUniform void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float s = scale.to_float (c->instancer (varIdxBase, 0)); bool p1 = c->funcs->push_scale (c->data, s, s); @@ -1025,13 +1220,25 @@ struct PaintScaleUniformAroundCenter { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->scale.set_float (scale.to_float (instancer (varIdxBase, 0))); + out->centerX = centerX + (int) roundf (instancer (varIdxBase, 1)); + out->centerY = centerY + (int) roundf (instancer (varIdxBase, 2)); + } + + if (format == 23 && c->plan->all_axes_pinned) + out->format = 22; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -1042,6 +1249,7 @@ struct PaintScaleUniformAroundCenter void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float s = scale.to_float (c->instancer (varIdxBase, 0)); float tCenterX = centerX + c->instancer (varIdxBase, 1); float tCenterY = centerY + c->instancer (varIdxBase, 2); @@ -1068,13 +1276,21 @@ struct PaintRotate { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + out->angle.set_float (angle.to_float (instancer (varIdxBase, 0))); + + if (format == 25 && c->plan->all_axes_pinned) + out->format = 24; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -1085,6 +1301,7 @@ struct PaintRotate void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float a = angle.to_float (c->instancer (varIdxBase, 0)); bool p1 = c->funcs->push_rotate (c->data, a); @@ -1103,13 +1320,25 @@ struct PaintRotateAroundCenter { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->angle.set_float (angle.to_float (instancer (varIdxBase, 0))); + out->centerX = centerX + (int) roundf (instancer (varIdxBase, 1)); + out->centerY = centerY + (int) roundf (instancer (varIdxBase, 2)); + } + + if (format ==27 && c->plan->all_axes_pinned) + out->format = 26; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -1120,6 +1349,7 @@ struct PaintRotateAroundCenter void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float a = angle.to_float (c->instancer (varIdxBase, 0)); float tCenterX = centerX + c->instancer (varIdxBase, 1); float tCenterY = centerY + c->instancer (varIdxBase, 2); @@ -1146,13 +1376,24 @@ struct PaintSkew { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->xSkewAngle.set_float (xSkewAngle.to_float (instancer (varIdxBase, 0))); + out->ySkewAngle.set_float (ySkewAngle.to_float (instancer (varIdxBase, 1))); + } + + if (format == 29 && c->plan->all_axes_pinned) + out->format = 28; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -1163,6 +1404,7 @@ struct PaintSkew void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float sx = xSkewAngle.to_float(c->instancer (varIdxBase, 0)); float sy = ySkewAngle.to_float(c->instancer (varIdxBase, 1)); @@ -1183,13 +1425,26 @@ struct PaintSkewAroundCenter { HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - return_trace (out->src.serialize_subset (c, src, this)); + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->xSkewAngle.set_float (xSkewAngle.to_float (instancer (varIdxBase, 0))); + out->ySkewAngle.set_float (ySkewAngle.to_float (instancer (varIdxBase, 1))); + out->centerX = centerX + (int) roundf (instancer (varIdxBase, 2)); + out->centerY = centerY + (int) roundf (instancer (varIdxBase, 3)); + } + + if (format == 31 && c->plan->all_axes_pinned) + out->format = 30; + + return_trace (out->src.serialize_subset (c, src, this, instancer)); } bool sanitize (hb_sanitize_context_t *c) const @@ -1200,6 +1455,7 @@ struct PaintSkewAroundCenter void paint_glyph (hb_paint_context_t *c, uint32_t varIdxBase) const { + TRACE_PAINT (this); float sx = xSkewAngle.to_float(c->instancer (varIdxBase, 0)); float sy = ySkewAngle.to_float(c->instancer (varIdxBase, 1)); float tCenterX = centerX + c->instancer (varIdxBase, 2); @@ -1228,26 +1484,31 @@ struct PaintComposite { void closurev1 (hb_colrv1_closure_context_t* c) const; - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->embed (this); if (unlikely (!out)) return_trace (false); - if (!out->src.serialize_subset (c, src, this)) return_trace (false); - return_trace (out->backdrop.serialize_subset (c, backdrop, this)); + bool ret = false; + ret |= out->src.serialize_subset (c, src, this, instancer); + ret |= out->backdrop.serialize_subset (c, backdrop, this, instancer); + return_trace (ret); } bool sanitize (hb_sanitize_context_t *c) const { TRACE_SANITIZE (this); return_trace (c->check_struct (this) && + c->check_ops (this->min_size) && // PainComposite can get exponential src.sanitize (c, this) && backdrop.sanitize (c, this)); } void paint_glyph (hb_paint_context_t *c) const { + TRACE_PAINT (this); c->recurse (this+backdrop); c->funcs->push_group (c->data); c->recurse (this+src); @@ -1275,7 +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; @@ -1283,6 +1544,28 @@ struct ClipBoxFormat1 clip_box.yMax = yMax; } + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, + uint32_t varIdxBase) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->embed (*this); + if (unlikely (!out)) return_trace (false); + + if (instancer && !c->plan->pinned_at_default && varIdxBase != VarIdx::NO_VARIATION) + { + out->xMin = xMin + (int) roundf (instancer (varIdxBase, 0)); + out->yMin = yMin + (int) roundf (instancer (varIdxBase, 1)); + out->xMax = xMax + (int) roundf (instancer (varIdxBase, 2)); + out->yMax = yMax + (int) roundf (instancer (varIdxBase, 3)); + } + + if (format == 2 && c->plan->all_axes_pinned) + out->format = 1; + + return_trace (true); + } + public: HBUINT8 format; /* format = 1(noVar) or 2(Var)*/ FWORD xMin; @@ -1295,28 +1578,40 @@ 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) { - clip_box.xMin += _hb_roundf (instancer (varIdxBase, 0)); - clip_box.yMin += _hb_roundf (instancer (varIdxBase, 1)); - clip_box.xMax += _hb_roundf (instancer (varIdxBase, 2)); - clip_box.yMax += _hb_roundf (instancer (varIdxBase, 3)); + clip_box.xMin += roundf (instancer (varIdxBase, 0)); + clip_box.yMin += roundf (instancer (varIdxBase, 1)); + clip_box.xMax += roundf (instancer (varIdxBase, 2)); + 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 { - ClipBox* copy (hb_serialize_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const + { + TRACE_SUBSET (this); + switch (u.format) { + case 1: return_trace (u.format1.subset (c, instancer, VarIdx::NO_VARIATION)); + case 2: return_trace (u.format2.subset (c, instancer)); + default:return_trace (c->default_return_value ()); + } + } + + void closurev1 (hb_colrv1_closure_context_t* c) const { - TRACE_SERIALIZE (this); switch (u.format) { - case 1: return_trace (reinterpret_cast<ClipBox *> (c->embed (u.format1))); - case 2: return_trace (reinterpret_cast<ClipBox *> (c->embed (u.format2))); - default:return_trace (nullptr); + case 2: u.format2.closurev1 (c); + default:return; } } @@ -1333,7 +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) { @@ -1367,13 +1662,21 @@ struct ClipRecord int cmp (hb_codepoint_t g) const { return g < startGlyphID ? -1 : g <= endGlyphID ? 0 : +1; } - ClipRecord* copy (hb_serialize_context_t *c, const void *base) const + void closurev1 (hb_colrv1_closure_context_t* c, const void *base) const { - TRACE_SERIALIZE (this); - auto *out = c->embed (this); - if (unlikely (!out)) return_trace (nullptr); - if (!out->clipBox.serialize_copy (c, clipBox, base)) return_trace (nullptr); - return_trace (out); + if (!c->glyphs->intersects (startGlyphID, endGlyphID)) return; + (base+clipBox).closurev1 (c); + } + + bool subset (hb_subset_context_t *c, + const void *base, + const ItemVarStoreInstancer &instancer) const + { + TRACE_SUBSET (this); + auto *out = c->serializer->embed (*this); + if (unlikely (!out)) return_trace (false); + + return_trace (out->clipBox.serialize_subset (c, clipBox, base, instancer)); } bool sanitize (hb_sanitize_context_t *c, const void *base) const @@ -1384,7 +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); } @@ -1400,7 +1703,8 @@ DECLARE_NULL_NAMESPACE_BYTES (OT, ClipRecord); struct ClipList { - unsigned serialize_clip_records (hb_serialize_context_t *c, + unsigned serialize_clip_records (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer, const hb_set_t& gids, const hb_map_t& gid_offset_map) const { @@ -1432,7 +1736,7 @@ struct ClipList record.endGlyphID = prev_gid; record.clipBox = prev_offset; - if (!c->copy (record, this)) return_trace (0); + if (!record.subset (c, this, instancer)) return_trace (0); count++; start_gid = _; @@ -1446,13 +1750,14 @@ struct ClipList record.startGlyphID = start_gid; record.endGlyphID = prev_gid; record.clipBox = prev_offset; - if (!c->copy (record, this)) return_trace (0); + if (!record.subset (c, this, instancer)) return_trace (0); count++; } return_trace (count); } - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (*this); @@ -1477,7 +1782,7 @@ struct ClipList } } - unsigned count = serialize_clip_records (c->serializer, new_gids, new_gid_offset_map); + unsigned count = serialize_clip_records (c, instancer, new_gids, new_gid_offset_map); if (!count) return_trace (false); return_trace (c->serializer->check_assign (out->clips.len, count, HB_SERIALIZE_ERROR_INT_OVERFLOW)); } @@ -1492,7 +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) @@ -1611,7 +1916,8 @@ struct BaseGlyphPaintRecord { return g < glyphId ? -1 : g > glyphId ? 1 : 0; } bool serialize (hb_serialize_context_t *s, const hb_map_t* glyph_map, - const void* src_base, hb_subset_context_t *c) const + const void* src_base, hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SERIALIZE (this); auto *out = s->embed (this); @@ -1620,7 +1926,7 @@ struct BaseGlyphPaintRecord HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false); - return_trace (out->paint.serialize_subset (c, paint, src_base)); + return_trace (out->paint.serialize_subset (c, paint, src_base, instancer)); } bool sanitize (hb_sanitize_context_t *c, const void *base) const @@ -1639,7 +1945,8 @@ struct BaseGlyphPaintRecord struct BaseGlyphList : SortedArray32Of<BaseGlyphPaintRecord> { - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (this); @@ -1651,7 +1958,7 @@ struct BaseGlyphList : SortedArray32Of<BaseGlyphPaintRecord> unsigned gid = _.glyphId; if (!glyphset->has (gid)) continue; - if (_.serialize (c->serializer, c->plan->glyph_map, this, c)) out->len++; + if (_.serialize (c->serializer, c->plan->glyph_map, this, c, instancer)) out->len++; else return_trace (false); } @@ -1670,21 +1977,23 @@ struct LayerList : Array32OfOffset32To<Paint> const Paint& get_paint (unsigned i) const { return this+(*this)[i]; } - bool subset (hb_subset_context_t *c) const + bool subset (hb_subset_context_t *c, + const ItemVarStoreInstancer &instancer) const { TRACE_SUBSET (this); auto *out = c->serializer->start_embed (this); if (unlikely (!c->serializer->extend_min (out))) return_trace (false); + bool ret = false; for (const auto& _ : + hb_enumerate (*this) | hb_filter (c->plan->colrv1_layers, hb_first)) { auto *o = out->serialize_append (c->serializer); - if (unlikely (!o) || !o->serialize_subset (c, _.second, this)) - return_trace (false); + if (unlikely (!o)) return_trace (false); + ret |= o->serialize_subset (c, _.second, this, instancer); } - return_trace (true); + return_trace (ret); } bool sanitize (hb_sanitize_context_t *c) const @@ -1694,6 +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; @@ -1701,10 +2080,11 @@ struct COLR bool has_v0_data () const { return numBaseGlyphs; } bool has_v1_data () const { - if (version == 1) - return (this+baseGlyphList).len > 0; + if (version != 1) + return false; + hb_barrier (); - return false; + return (this+baseGlyphList).len > 0; } unsigned int get_glyph_layers (hb_codepoint_t glyph, @@ -1744,8 +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; @@ -1782,12 +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 ()) @@ -1799,6 +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 @@ -1807,14 +2221,28 @@ 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); return_trace (c->check_struct (this) && + hb_barrier () && (this+baseGlyphsZ).sanitize (c, numBaseGlyphs) && (this+layersZ).sanitize (c, numLayers) && (version == 0 || - (version == 1 && + (hb_barrier () && + version == 1 && baseGlyphList.sanitize (c, this) && layerList.sanitize (c, this) && clipList.sanitize (c, this) && @@ -1880,10 +2308,91 @@ struct COLR return record; } - bool subset (hb_subset_context_t *c) const + 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); const hb_map_t &reverse_glyph_map = *c->plan->reverse_glyph_map; const hb_set_t& glyphset = c->plan->_glyphset_colred; @@ -1946,29 +2455,31 @@ struct COLR if (version == 0 && (!base_it || !layer_it)) return_trace (false); - COLR *colr_prime = c->serializer->start_embed<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->baseGlyphList.serialize_subset (c, baseGlyphList, this)) - { - 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); - colr_prime->layerList.serialize_subset (c, layerList, this); - colr_prime->clipList.serialize_subset (c, clipList, this); - colr_prime->varIdxMap.serialize_copy (c->serializer, varIdxMap, this); - colr_prime->varStore.serialize_copy (c->serializer, varStore, this); - return_trace (true); + /* subset ItemVariationStore first, cause varidx_map needs to be updated + * after instancing */ + if (!subset_varstore (c, colr_prime)) return_trace (false); + + 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)) + return_trace (false); + + colr_prime->layerList.serialize_subset (c, layerList, this, instancer); + colr_prime->clipList.serialize_subset (c, clipList, this, instancer); + + return_trace (subset_delta_set_index_map (c, colr_prime)); } const Paint *get_base_glyph_paint (hb_codepoint_t glyph) const @@ -1984,14 +2495,15 @@ struct COLR return nullptr; } +#ifndef HB_NO_PAINT bool get_extents (hb_font_t *font, hb_codepoint_t glyph, hb_glyph_extents_t *extents) const { if (version != 1) return false; - VarStoreInstancer instancer (this+varStore, - this+varIdxMap, + ItemVarStoreInstancer instancer (&(this+varStore), + &(this+varIdxMap), hb_array (font->coords, font->num_coords)); if (get_clip (glyph, extents, instancer)) @@ -2022,12 +2534,15 @@ struct COLR return ret; } +#endif bool has_paint_for_glyph (hb_codepoint_t glyph) const { if (version == 1) { + hb_barrier (); + const Paint *paint = get_base_glyph_paint (glyph); return paint != nullptr; @@ -2038,30 +2553,34 @@ 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, instancer); } +#ifndef HB_NO_PAINT 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, - this+varIdxMap, + 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); + c.current_glyphs.add (glyph); if (version == 1) { + hb_barrier (); + const Paint *paint = get_base_glyph_paint (glyph); if (paint) { // COLRv1 glyph - VarStoreInstancer instancer (this+varStore, - this+varIdxMap, + ItemVarStoreInstancer instancer (&(this+varStore), + &(this+varIdxMap), hb_array (font->coords, font->num_coords)); bool is_bounded = true; @@ -2131,6 +2650,7 @@ struct COLR return false; } +#endif protected: HBUINT16 version; /* Table version number (starts at 0). */ @@ -2145,7 +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); }; @@ -2166,18 +2686,42 @@ hb_paint_context_t::recurse (const Paint &paint) void PaintColrLayers::paint_glyph (hb_paint_context_t *c) const { + TRACE_PAINT (this); const LayerList &paint_offset_lists = c->get_colr_table ()->get_layerList (); for (unsigned i = firstLayerIndex; i < firstLayerIndex + numLayers; i++) { + if (unlikely (c->current_layers.has (i))) + continue; + + c->current_layers.add (i); + const Paint &paint = paint_offset_lists.get_paint (i); c->funcs->push_group (c->data); c->recurse (paint); c->funcs->pop_group (c->data, HB_PAINT_COMPOSITE_MODE_SRC_OVER); + + c->current_layers.del (i); } } void PaintColrGlyph::paint_glyph (hb_paint_context_t *c) const { + TRACE_PAINT (this); + + if (unlikely (c->current_glyphs.has (gid))) + return; + + c->current_glyphs.add (gid); + + c->funcs->push_inverse_root_transform (c->data, c->font); + if (c->funcs->color_glyph (c->data, gid, c->font)) + { + c->funcs->pop_transform (c->data); + c->current_glyphs.del (gid); + return; + } + c->funcs->pop_transform (c->data); + const COLR *colr_table = c->get_colr_table (); const Paint *paint = colr_table->get_base_glyph_paint (gid); @@ -2196,6 +2740,8 @@ void PaintColrGlyph::paint_glyph (hb_paint_context_t *c) const if (has_clip_box) c->funcs->pop_clip (c->data); + + c->current_glyphs.del (gid); } } /* namespace OT */ |