#define HB_OT_COLOR_COLR_TABLE_HH
#include "hb-open-type.hh"
+#include "hb-ot-layout-common.hh"
+#include "hb-ot-var-common.hh"
/*
* COLR -- Color
*/
#define HB_OT_TAG_COLR HB_TAG('C','O','L','R')
+#ifndef HB_COLRV1_MAX_NESTING_LEVEL
+#define HB_COLRV1_MAX_NESTING_LEVEL 100
+#endif
+
+#ifndef COLRV1_ENABLE_SUBSETTING
+#define COLRV1_ENABLE_SUBSETTING 1
+#endif
namespace OT {
+struct COLR;
+struct hb_colrv1_closure_context_t :
+ hb_dispatch_context_t<hb_colrv1_closure_context_t>
+{
+ template <typename T>
+ return_t dispatch (const T &obj)
+ {
+ if (unlikely (nesting_level_left == 0))
+ return hb_empty_t ();
+
+ if (paint_visited (&obj))
+ return hb_empty_t ();
+
+ nesting_level_left--;
+ obj.closurev1 (this);
+ nesting_level_left++;
+ return hb_empty_t ();
+ }
+ static return_t default_return_value () { return hb_empty_t (); }
+
+ bool paint_visited (const void *paint)
+ {
+ hb_codepoint_t delta = (hb_codepoint_t) ((uintptr_t) paint - (uintptr_t) base);
+ if (visited_paint.in_error() || visited_paint.has (delta))
+ return true;
+
+ visited_paint.add (delta);
+ return false;
+ }
+
+ const COLR* get_colr_table () const
+ { return reinterpret_cast<const COLR *> (base); }
+
+ void add_glyph (unsigned glyph_id)
+ { glyphs->add (glyph_id); }
+
+ void add_layer_indices (unsigned first_layer_index, unsigned num_of_layers)
+ { layer_indices->add_range (first_layer_index, first_layer_index + num_of_layers - 1); }
+
+ void add_palette_index (unsigned palette_index)
+ { palette_indices->add (palette_index); }
+
+ public:
+ const void *base;
+ hb_set_t visited_paint;
+ hb_set_t *glyphs;
+ hb_set_t *layer_indices;
+ hb_set_t *palette_indices;
+ 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_,
+ unsigned nesting_level_left_ = HB_COLRV1_MAX_NESTING_LEVEL) :
+ base (base_),
+ glyphs (glyphs_),
+ layer_indices (layer_indices_),
+ palette_indices (palette_indices_),
+ nesting_level_left (nesting_level_left_)
+ {}
+};
+
+struct LayerRecord
+{
+ operator hb_ot_color_layer_t () const { return {glyphId, colorIdx}; }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
+ }
+
+ public:
+ HBGlyphID16 glyphId; /* Glyph ID of layer glyph */
+ Index colorIdx; /* Index value to use with a
+ * selected color palette.
+ * An index value of 0xFFFF
+ * is a special case indicating
+ * that the text foreground
+ * color (defined by a
+ * higher-level client) should
+ * be used and shall not be
+ * treated as actual index
+ * into CPAL ColorRecord array. */
+ public:
+ DEFINE_SIZE_STATIC (4);
+};
+
+struct BaseGlyphRecord
+{
+ int cmp (hb_codepoint_t g) const
+ { return g < glyphId ? -1 : g > glyphId ? 1 : 0; }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (likely (c->check_struct (this)));
+ }
+
+ public:
+ HBGlyphID16 glyphId; /* Glyph ID of reference glyph */
+ HBUINT16 firstLayerIdx; /* Index (from beginning of
+ * the Layer Records) to the
+ * layer record. There will be
+ * numLayers consecutive entries
+ * for this base glyph. */
+ HBUINT16 numLayers; /* Number of color layers
+ * associated with this glyph */
+ public:
+ DEFINE_SIZE_STATIC (6);
+};
+
+template <typename T>
+struct Variable
+{
+ Variable<T>* copy (hb_serialize_context_t *c) const
+ {
+ TRACE_SERIALIZE (this);
+ return_trace (c->embed (this));
+ }
+
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ { value.closurev1 (c); }
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ if (!value.subset (c)) return_trace (false);
+ return_trace (c->serializer->embed (varIdxBase));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && value.sanitize (c));
+ }
+
+ protected:
+ T value;
+ VarIdx varIdxBase;
+ public:
+ DEFINE_SIZE_STATIC (4 + T::static_size);
+};
+
+template <typename T>
+struct NoVariable
+{
+ NoVariable<T>* copy (hb_serialize_context_t *c) const
+ {
+ TRACE_SERIALIZE (this);
+ return_trace (c->embed (this));
+ }
+
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ { value.closurev1 (c); }
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ return_trace (value.subset (c));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && value.sanitize (c));
+ }
+
+ T value;
+ public:
+ DEFINE_SIZE_STATIC (T::static_size);
+};
+
+// Color structures
+
+struct ColorStop
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ { c->add_palette_index (paletteIndex); }
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (*this);
+ if (unlikely (!out)) return_trace (false);
+ return_trace (c->serializer->check_assign (out->paletteIndex, c->plan->colr_palettes->get (paletteIndex),
+ HB_SERIALIZE_ERROR_INT_OVERFLOW));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
+ }
+
+ F2DOT14 stopOffset;
+ HBUINT16 paletteIndex;
+ F2DOT14 alpha;
+ public:
+ DEFINE_SIZE_STATIC (2 + 2 * F2DOT14::static_size);
+};
+
+struct Extend : HBUINT8
+{
+ enum {
+ EXTEND_PAD = 0,
+ EXTEND_REPEAT = 1,
+ EXTEND_REFLECT = 2,
+ };
+ public:
+ DEFINE_SIZE_STATIC (1);
+};
+
+template <template<typename> class Var>
+struct ColorLine
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ {
+ for (const auto &stop : stops.iter ())
+ stop.closurev1 (c);
+ }
+
+ bool subset (hb_subset_context_t *c) 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);
+ if (!c->serializer->check_assign (out->stops.len, stops.len, HB_SERIALIZE_ERROR_ARRAY_OVERFLOW)) return_trace (false);
+
+ for (const auto& stop : stops.iter ())
+ {
+ if (!stop.subset (c)) return_trace (false);
+ }
+ return_trace (true);
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) &&
+ stops.sanitize (c));
+ }
+
+ Extend extend;
+ Array16Of<Var<ColorStop>> stops;
+ public:
+ DEFINE_SIZE_ARRAY_SIZED (3, stops);
+};
+
+// Composition modes
+
+// Compositing modes are taken from https://www.w3.org/TR/compositing-1/
+// NOTE: a brief audit of major implementations suggests most support most
+// or all of the specified modes.
+struct CompositeMode : HBUINT8
+{
+ enum {
+ // Porter-Duff modes
+ // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators
+ COMPOSITE_CLEAR = 0, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_clear
+ COMPOSITE_SRC = 1, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_src
+ COMPOSITE_DEST = 2, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_dst
+ COMPOSITE_SRC_OVER = 3, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_srcover
+ COMPOSITE_DEST_OVER = 4, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_dstover
+ COMPOSITE_SRC_IN = 5, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_srcin
+ COMPOSITE_DEST_IN = 6, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_dstin
+ COMPOSITE_SRC_OUT = 7, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_srcout
+ COMPOSITE_DEST_OUT = 8, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_dstout
+ COMPOSITE_SRC_ATOP = 9, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_srcatop
+ COMPOSITE_DEST_ATOP = 10, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_dstatop
+ COMPOSITE_XOR = 11, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_xor
+ COMPOSITE_PLUS = 12, // https://www.w3.org/TR/compositing-1/#porterduffcompositingoperators_plus
+
+ // Blend modes
+ // https://www.w3.org/TR/compositing-1/#blending
+ COMPOSITE_SCREEN = 13, // https://www.w3.org/TR/compositing-1/#blendingscreen
+ COMPOSITE_OVERLAY = 14, // https://www.w3.org/TR/compositing-1/#blendingoverlay
+ COMPOSITE_DARKEN = 15, // https://www.w3.org/TR/compositing-1/#blendingdarken
+ COMPOSITE_LIGHTEN = 16, // https://www.w3.org/TR/compositing-1/#blendinglighten
+ COMPOSITE_COLOR_DODGE = 17, // https://www.w3.org/TR/compositing-1/#blendingcolordodge
+ COMPOSITE_COLOR_BURN = 18, // https://www.w3.org/TR/compositing-1/#blendingcolorburn
+ COMPOSITE_HARD_LIGHT = 19, // https://www.w3.org/TR/compositing-1/#blendinghardlight
+ COMPOSITE_SOFT_LIGHT = 20, // https://www.w3.org/TR/compositing-1/#blendingsoftlight
+ COMPOSITE_DIFFERENCE = 21, // https://www.w3.org/TR/compositing-1/#blendingdifference
+ COMPOSITE_EXCLUSION = 22, // https://www.w3.org/TR/compositing-1/#blendingexclusion
+ COMPOSITE_MULTIPLY = 23, // https://www.w3.org/TR/compositing-1/#blendingmultiply
+
+ // Modes that, uniquely, do not operate on components
+ // https://www.w3.org/TR/compositing-1/#blendingnonseparable
+ COMPOSITE_HSL_HUE = 24, // https://www.w3.org/TR/compositing-1/#blendinghue
+ COMPOSITE_HSL_SATURATION = 25, // https://www.w3.org/TR/compositing-1/#blendingsaturation
+ COMPOSITE_HSL_COLOR = 26, // https://www.w3.org/TR/compositing-1/#blendingcolor
+ COMPOSITE_HSL_LUMINOSITY = 27, // https://www.w3.org/TR/compositing-1/#blendingluminosity
+ };
+ public:
+ DEFINE_SIZE_STATIC (1);
+};
+
+struct Affine2x3
+{
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
+ }
+
+ HBFixed xx;
+ HBFixed yx;
+ HBFixed xy;
+ HBFixed yy;
+ HBFixed dx;
+ HBFixed dy;
+ public:
+ DEFINE_SIZE_STATIC (6 * HBFixed::static_size);
+};
+
+struct PaintColrLayers
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (this);
+ if (unlikely (!out)) return_trace (false);
+ return_trace (c->serializer->check_assign (out->firstLayerIndex, c->plan->colrv1_layers->get (firstLayerIndex),
+ HB_SERIALIZE_ERROR_INT_OVERFLOW));
+
+ return_trace (true);
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
+ }
+
+ HBUINT8 format; /* format = 1 */
+ HBUINT8 numLayers;
+ HBUINT32 firstLayerIndex; /* index into COLRv1::layerList */
+ public:
+ DEFINE_SIZE_STATIC (6);
+};
+
+struct PaintSolid
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ { c->add_palette_index (paletteIndex); }
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (*this);
+ if (unlikely (!out)) return_trace (false);
+ return_trace (c->serializer->check_assign (out->paletteIndex, c->plan->colr_palettes->get (paletteIndex),
+ HB_SERIALIZE_ERROR_INT_OVERFLOW));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
+ }
+
+ HBUINT8 format; /* format = 2(noVar) or 3(Var)*/
+ HBUINT16 paletteIndex;
+ F2DOT14 alpha;
+ public:
+ DEFINE_SIZE_STATIC (3 + F2DOT14::static_size);
+};
+
+template <template<typename> class Var>
+struct PaintLinearGradient
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ { (this+colorLine).closurev1 (c); }
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && colorLine.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 4(noVar) or 5 (Var) */
+ Offset24To<ColorLine<Var>> colorLine; /* Offset (from beginning of PaintLinearGradient
+ * table) to ColorLine subtable. */
+ FWORD x0;
+ FWORD y0;
+ FWORD x1;
+ FWORD y1;
+ FWORD x2;
+ FWORD y2;
+ public:
+ DEFINE_SIZE_STATIC (4 + 6 * FWORD::static_size);
+};
+
+template <template<typename> class Var>
+struct PaintRadialGradient
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ { (this+colorLine).closurev1 (c); }
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && colorLine.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 6(noVar) or 7 (Var) */
+ Offset24To<ColorLine<Var>> colorLine; /* Offset (from beginning of PaintRadialGradient
+ * table) to ColorLine subtable. */
+ FWORD x0;
+ FWORD y0;
+ UFWORD radius0;
+ FWORD x1;
+ FWORD y1;
+ UFWORD radius1;
+ public:
+ DEFINE_SIZE_STATIC (4 + 6 * FWORD::static_size);
+};
+
+template <template<typename> class Var>
+struct PaintSweepGradient
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const
+ { (this+colorLine).closurev1 (c); }
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && colorLine.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 8(noVar) or 9 (Var) */
+ Offset24To<ColorLine<Var>> colorLine; /* Offset (from beginning of PaintSweepGradient
+ * table) to ColorLine subtable. */
+ FWORD centerX;
+ FWORD centerY;
+ F2DOT14 startAngle;
+ F2DOT14 endAngle;
+ public:
+ DEFINE_SIZE_STATIC (4 + 2 * FWORD::static_size + 2 * F2DOT14::static_size);
+};
+
+struct Paint;
+// Paint a non-COLR glyph, filled as indicated by paint.
+struct PaintGlyph
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (this);
+ if (unlikely (!out)) return_trace (false);
+
+ if (! c->serializer->check_assign (out->gid, c->plan->glyph_map->get (gid),
+ HB_SERIALIZE_ERROR_INT_OVERFLOW))
+ return_trace (false);
+
+ return_trace (out->paint.serialize_subset (c, paint, this));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && paint.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 10 */
+ Offset24To<Paint> paint; /* Offset (from beginning of PaintGlyph table) to Paint subtable. */
+ HBUINT16 gid;
+ public:
+ DEFINE_SIZE_STATIC (6);
+};
+
+struct PaintColrGlyph
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (this);
+ if (unlikely (!out)) return_trace (false);
+
+ return_trace (c->serializer->check_assign (out->gid, c->plan->glyph_map->get (gid),
+ HB_SERIALIZE_ERROR_INT_OVERFLOW));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this));
+ }
+
+ HBUINT8 format; /* format = 11 */
+ HBUINT16 gid;
+ public:
+ DEFINE_SIZE_STATIC (3);
+};
+
+template <template<typename> class Var>
+struct PaintTransform
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) &&
+ src.sanitize (c, this) &&
+ transform.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 12(noVar) or 13 (Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintTransform table) to Paint subtable. */
+ Offset24To<Var<Affine2x3>> transform;
+ public:
+ DEFINE_SIZE_STATIC (7);
+};
+
+struct PaintTranslate
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 14(noVar) or 15 (Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintTranslate table) to Paint subtable. */
+ FWORD dx;
+ FWORD dy;
+ public:
+ DEFINE_SIZE_STATIC (4 + 2 * FWORD::static_size);
+};
+
+struct PaintScale
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 16 (noVar) or 17(Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintScale table) to Paint subtable. */
+ F2DOT14 scaleX;
+ F2DOT14 scaleY;
+ public:
+ DEFINE_SIZE_STATIC (4 + 2 * F2DOT14::static_size);
+};
+
+struct PaintScaleAroundCenter
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 18 (noVar) or 19(Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintScaleAroundCenter table) to Paint subtable. */
+ F2DOT14 scaleX;
+ F2DOT14 scaleY;
+ FWORD centerX;
+ FWORD centerY;
+ public:
+ DEFINE_SIZE_STATIC (4 + 2 * F2DOT14::static_size + 2 * FWORD::static_size);
+};
+
+struct PaintScaleUniform
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 20 (noVar) or 21(Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintScaleUniform table) to Paint subtable. */
+ F2DOT14 scale;
+ public:
+ DEFINE_SIZE_STATIC (4 + F2DOT14::static_size);
+};
+
+struct PaintScaleUniformAroundCenter
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 22 (noVar) or 23(Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintScaleUniformAroundCenter table) to Paint subtable. */
+ F2DOT14 scale;
+ FWORD centerX;
+ FWORD centerY;
+ public:
+ DEFINE_SIZE_STATIC (4 + F2DOT14::static_size + 2 * FWORD::static_size);
+};
+
+struct PaintRotate
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->embed (this);
+ if (unlikely (!out)) return_trace (false);
-struct LayerRecord
+ return_trace (out->src.serialize_subset (c, src, this));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 24 (noVar) or 25(Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintRotate table) to Paint subtable. */
+ F2DOT14 angle;
+ public:
+ DEFINE_SIZE_STATIC (4 + F2DOT14::static_size);
+};
+
+struct PaintRotateAroundCenter
{
- operator hb_ot_color_layer_t () const { return {glyphId, colorIdx}; }
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 26 (noVar) or 27(Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintRotateAroundCenter table) to Paint subtable. */
+ F2DOT14 angle;
+ FWORD centerX;
+ FWORD centerY;
+ public:
+ DEFINE_SIZE_STATIC (4 + F2DOT14::static_size + 2 * FWORD::static_size);
+};
+
+struct PaintSkew
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 28(noVar) or 29 (Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintSkew table) to Paint subtable. */
+ F2DOT14 xSkewAngle;
+ F2DOT14 ySkewAngle;
+ public:
+ DEFINE_SIZE_STATIC (4 + 2 * F2DOT14::static_size);
+};
+
+struct PaintSkewAroundCenter
+{
+ HB_INTERNAL void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && src.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 30(noVar) or 31 (Var) */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintSkewAroundCenter table) to Paint subtable. */
+ F2DOT14 xSkewAngle;
+ F2DOT14 ySkewAngle;
+ FWORD centerX;
+ FWORD centerY;
+ public:
+ DEFINE_SIZE_STATIC (4 + 2 * F2DOT14::static_size + 2 * FWORD::static_size);
+};
+
+struct PaintComposite
+{
+ void closurev1 (hb_colrv1_closure_context_t* c) const;
+
+ bool subset (hb_subset_context_t *c) 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 sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) &&
+ src.sanitize (c, this) &&
+ backdrop.sanitize (c, this));
+ }
+
+ HBUINT8 format; /* format = 32 */
+ Offset24To<Paint> src; /* Offset (from beginning of PaintComposite table) to source Paint subtable. */
+ CompositeMode mode; /* If mode is unrecognized use COMPOSITE_CLEAR */
+ Offset24To<Paint> backdrop; /* Offset (from beginning of PaintComposite table) to backdrop Paint subtable. */
+ public:
+ DEFINE_SIZE_STATIC (8);
+};
+struct ClipBoxFormat1
+{
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
}
public:
- HBGlyphID glyphId; /* Glyph ID of layer glyph */
- Index colorIdx; /* Index value to use with a
- * selected color palette.
- * An index value of 0xFFFF
- * is a special case indicating
- * that the text foreground
- * color (defined by a
- * higher-level client) should
- * be used and shall not be
- * treated as actual index
- * into CPAL ColorRecord array. */
+ HBUINT8 format; /* format = 1(noVar) or 2(Var)*/
+ FWORD xMin;
+ FWORD yMin;
+ FWORD xMax;
+ FWORD yMax;
public:
- DEFINE_SIZE_STATIC (4);
+ DEFINE_SIZE_STATIC (1 + 4 * FWORD::static_size);
};
-struct BaseGlyphRecord
+struct ClipBoxFormat2 : Variable<ClipBoxFormat1> {};
+
+struct ClipBox
+{
+ ClipBox* copy (hb_serialize_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);
+ }
+ }
+
+ template <typename context_t, typename ...Ts>
+ typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+ {
+ TRACE_DISPATCH (this, u.format);
+ if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+ switch (u.format) {
+ case 1: return_trace (c->dispatch (u.format1, std::forward<Ts> (ds)...));
+ case 2: return_trace (c->dispatch (u.format2, std::forward<Ts> (ds)...));
+ default:return_trace (c->default_return_value ());
+ }
+ }
+
+ protected:
+ union {
+ HBUINT8 format; /* Format identifier */
+ ClipBoxFormat1 format1;
+ ClipBoxFormat2 format2;
+ } u;
+};
+
+struct ClipRecord
+{
+ ClipRecord* copy (hb_serialize_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);
+ }
+
+ bool sanitize (hb_sanitize_context_t *c, const void *base) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && clipBox.sanitize (c, base));
+ }
+
+ public:
+ HBUINT16 startGlyphID; // first gid clip applies to
+ HBUINT16 endGlyphID; // last gid clip applies to, inclusive
+ Offset24To<ClipBox> clipBox; // Box or VarBox
+ public:
+ DEFINE_SIZE_STATIC (7);
+};
+
+struct ClipList
+{
+ unsigned serialize_clip_records (hb_serialize_context_t *c,
+ const hb_set_t& gids,
+ const hb_map_t& gid_offset_map) const
+ {
+ TRACE_SERIALIZE (this);
+ if (gids.is_empty () ||
+ gid_offset_map.get_population () != gids.get_population ())
+ return_trace (0);
+
+ unsigned count = 0;
+
+ hb_codepoint_t start_gid= gids.get_min ();
+ hb_codepoint_t prev_gid = start_gid;
+
+ unsigned offset = gid_offset_map.get (start_gid);
+ unsigned prev_offset = offset;
+ for (const hb_codepoint_t _ : gids.iter ())
+ {
+ if (_ == start_gid) continue;
+
+ offset = gid_offset_map.get (_);
+ if (_ == prev_gid + 1 && offset == prev_offset)
+ {
+ prev_gid = _;
+ continue;
+ }
+
+ ClipRecord record;
+ record.startGlyphID = start_gid;
+ record.endGlyphID = prev_gid;
+ record.clipBox = prev_offset;
+
+ if (!c->copy (record, this)) return_trace (0);
+ count++;
+
+ start_gid = _;
+ prev_gid = _;
+ prev_offset = offset;
+ }
+
+ //last one
+ {
+ ClipRecord record;
+ record.startGlyphID = start_gid;
+ record.endGlyphID = prev_gid;
+ record.clipBox = prev_offset;
+ if (!c->copy (record, this)) return_trace (0);
+ count++;
+ }
+ return_trace (count);
+ }
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->start_embed (*this);
+ if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+ if (!c->serializer->check_assign (out->format, format, HB_SERIALIZE_ERROR_INT_OVERFLOW)) return_trace (false);
+
+ const hb_set_t& glyphset = *c->plan->_glyphset_colred;
+ const hb_map_t &glyph_map = *c->plan->glyph_map;
+
+ hb_map_t new_gid_offset_map;
+ hb_set_t new_gids;
+ for (const ClipRecord& record : clips.iter ())
+ {
+ unsigned start_gid = record.startGlyphID;
+ unsigned end_gid = record.endGlyphID;
+ for (unsigned gid = start_gid; gid <= end_gid; gid++)
+ {
+ if (!glyphset.has (gid) || !glyph_map.has (gid)) continue;
+ unsigned new_gid = glyph_map.get (gid);
+ new_gid_offset_map.set (new_gid, record.clipBox);
+ new_gids.add (new_gid);
+ }
+ }
+
+ unsigned count = serialize_clip_records (c->serializer, 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));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (c->check_struct (this) && clips.sanitize (c, this));
+ }
+
+ HBUINT8 format; // Set to 1.
+ Array32Of<ClipRecord> clips; // Clip records, sorted by startGlyphID
+ public:
+ DEFINE_SIZE_ARRAY_SIZED (5, clips);
+};
+
+struct Paint
+{
+
+ template <typename ...Ts>
+ bool sanitize (hb_sanitize_context_t *c, Ts&&... ds) const
+ {
+ TRACE_SANITIZE (this);
+
+ if (unlikely (!c->check_start_recursion (HB_COLRV1_MAX_NESTING_LEVEL)))
+ return_trace (c->no_dispatch_return_value ());
+
+ return_trace (c->end_recursion (this->dispatch (c, std::forward<Ts> (ds)...)));
+ }
+
+ template <typename context_t, typename ...Ts>
+ typename context_t::return_t dispatch (context_t *c, Ts&&... ds) const
+ {
+ TRACE_DISPATCH (this, u.format);
+ if (unlikely (!c->may_dispatch (this, &u.format))) return_trace (c->no_dispatch_return_value ());
+ switch (u.format) {
+ case 1: return_trace (c->dispatch (u.paintformat1, std::forward<Ts> (ds)...));
+ case 2: return_trace (c->dispatch (u.paintformat2, std::forward<Ts> (ds)...));
+ case 3: return_trace (c->dispatch (u.paintformat3, std::forward<Ts> (ds)...));
+ case 4: return_trace (c->dispatch (u.paintformat4, std::forward<Ts> (ds)...));
+ case 5: return_trace (c->dispatch (u.paintformat5, std::forward<Ts> (ds)...));
+ case 6: return_trace (c->dispatch (u.paintformat6, std::forward<Ts> (ds)...));
+ case 7: return_trace (c->dispatch (u.paintformat7, std::forward<Ts> (ds)...));
+ case 8: return_trace (c->dispatch (u.paintformat8, std::forward<Ts> (ds)...));
+ case 9: return_trace (c->dispatch (u.paintformat9, std::forward<Ts> (ds)...));
+ case 10: return_trace (c->dispatch (u.paintformat10, std::forward<Ts> (ds)...));
+ case 11: return_trace (c->dispatch (u.paintformat11, std::forward<Ts> (ds)...));
+ case 12: return_trace (c->dispatch (u.paintformat12, std::forward<Ts> (ds)...));
+ case 13: return_trace (c->dispatch (u.paintformat13, std::forward<Ts> (ds)...));
+ case 14: return_trace (c->dispatch (u.paintformat14, std::forward<Ts> (ds)...));
+ case 15: return_trace (c->dispatch (u.paintformat15, std::forward<Ts> (ds)...));
+ case 16: return_trace (c->dispatch (u.paintformat16, std::forward<Ts> (ds)...));
+ case 17: return_trace (c->dispatch (u.paintformat17, std::forward<Ts> (ds)...));
+ case 18: return_trace (c->dispatch (u.paintformat18, std::forward<Ts> (ds)...));
+ case 19: return_trace (c->dispatch (u.paintformat19, std::forward<Ts> (ds)...));
+ case 20: return_trace (c->dispatch (u.paintformat20, std::forward<Ts> (ds)...));
+ case 21: return_trace (c->dispatch (u.paintformat21, std::forward<Ts> (ds)...));
+ case 22: return_trace (c->dispatch (u.paintformat22, std::forward<Ts> (ds)...));
+ case 23: return_trace (c->dispatch (u.paintformat23, std::forward<Ts> (ds)...));
+ case 24: return_trace (c->dispatch (u.paintformat24, std::forward<Ts> (ds)...));
+ case 25: return_trace (c->dispatch (u.paintformat25, std::forward<Ts> (ds)...));
+ case 26: return_trace (c->dispatch (u.paintformat26, std::forward<Ts> (ds)...));
+ case 27: return_trace (c->dispatch (u.paintformat27, std::forward<Ts> (ds)...));
+ case 28: return_trace (c->dispatch (u.paintformat28, std::forward<Ts> (ds)...));
+ case 29: return_trace (c->dispatch (u.paintformat29, std::forward<Ts> (ds)...));
+ case 30: return_trace (c->dispatch (u.paintformat30, std::forward<Ts> (ds)...));
+ case 31: return_trace (c->dispatch (u.paintformat31, std::forward<Ts> (ds)...));
+ case 32: return_trace (c->dispatch (u.paintformat32, std::forward<Ts> (ds)...));
+ default:return_trace (c->default_return_value ());
+ }
+ }
+
+ protected:
+ union {
+ HBUINT8 format;
+ PaintColrLayers paintformat1;
+ PaintSolid paintformat2;
+ Variable<PaintSolid> paintformat3;
+ PaintLinearGradient<NoVariable> paintformat4;
+ Variable<PaintLinearGradient<Variable>> paintformat5;
+ PaintRadialGradient<NoVariable> paintformat6;
+ Variable<PaintRadialGradient<Variable>> paintformat7;
+ PaintSweepGradient<NoVariable> paintformat8;
+ Variable<PaintSweepGradient<Variable>> paintformat9;
+ PaintGlyph paintformat10;
+ PaintColrGlyph paintformat11;
+ PaintTransform<NoVariable> paintformat12;
+ PaintTransform<Variable> paintformat13;
+ PaintTranslate paintformat14;
+ Variable<PaintTranslate> paintformat15;
+ PaintScale paintformat16;
+ Variable<PaintScale> paintformat17;
+ PaintScaleAroundCenter paintformat18;
+ Variable<PaintScaleAroundCenter> paintformat19;
+ PaintScaleUniform paintformat20;
+ Variable<PaintScaleUniform> paintformat21;
+ PaintScaleUniformAroundCenter paintformat22;
+ Variable<PaintScaleUniformAroundCenter> paintformat23;
+ PaintRotate paintformat24;
+ Variable<PaintRotate> paintformat25;
+ PaintRotateAroundCenter paintformat26;
+ Variable<PaintRotateAroundCenter> paintformat27;
+ PaintSkew paintformat28;
+ Variable<PaintSkew> paintformat29;
+ PaintSkewAroundCenter paintformat30;
+ Variable<PaintSkewAroundCenter> paintformat31;
+ PaintComposite paintformat32;
+ } u;
+};
+
+struct BaseGlyphPaintRecord
{
int cmp (hb_codepoint_t g) const
{ return g < glyphId ? -1 : g > glyphId ? 1 : 0; }
- bool sanitize (hb_sanitize_context_t *c) const
+ bool serialize (hb_serialize_context_t *s, const hb_map_t* glyph_map,
+ const void* src_base, hb_subset_context_t *c) const
+ {
+ TRACE_SERIALIZE (this);
+ auto *out = s->embed (this);
+ if (unlikely (!out)) return_trace (false);
+ if (!s->check_assign (out->glyphId, glyph_map->get (glyphId),
+ HB_SERIALIZE_ERROR_INT_OVERFLOW))
+ return_trace (false);
+
+ return_trace (out->paint.serialize_subset (c, paint, src_base));
+ }
+
+ bool sanitize (hb_sanitize_context_t *c, const void *base) const
{
TRACE_SANITIZE (this);
- return_trace (likely (c->check_struct (this)));
+ return_trace (likely (c->check_struct (this) && paint.sanitize (c, base)));
}
public:
- HBGlyphID glyphId; /* Glyph ID of reference glyph */
- HBUINT16 firstLayerIdx; /* Index (from beginning of
- * the Layer Records) to the
- * layer record. There will be
- * numLayers consecutive entries
- * for this base glyph. */
- HBUINT16 numLayers; /* Number of color layers
- * associated with this glyph */
+ HBGlyphID16 glyphId; /* Glyph ID of reference glyph */
+ Offset32To<Paint> paint; /* Offset (from beginning of BaseGlyphPaintRecord array) to Paint,
+ * Typically PaintColrLayers */
public:
DEFINE_SIZE_STATIC (6);
};
+struct BaseGlyphList : SortedArray32Of<BaseGlyphPaintRecord>
+{
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->start_embed (this);
+ if (unlikely (!c->serializer->extend_min (out))) return_trace (false);
+ const hb_set_t* glyphset = c->plan->_glyphset_colred;
+
+ for (const auto& _ : as_array ())
+ {
+ unsigned gid = _.glyphId;
+ if (!glyphset->has (gid)) continue;
+
+ if (_.serialize (c->serializer, c->plan->glyph_map, this, c)) out->len++;
+ else return_trace (false);
+ }
+
+ return_trace (out->len != 0);
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (SortedArray32Of<BaseGlyphPaintRecord>::sanitize (c, this));
+ }
+};
+
+struct LayerList : Array32OfOffset32To<Paint>
+{
+ const Paint& get_paint (unsigned i) const
+ { return this+(*this)[i]; }
+
+ bool subset (hb_subset_context_t *c) const
+ {
+ TRACE_SUBSET (this);
+ auto *out = c->serializer->start_embed (this);
+ if (unlikely (!c->serializer->extend_min (out))) return_trace (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);
+ }
+ return_trace (true);
+ }
+
+ bool sanitize (hb_sanitize_context_t *c) const
+ {
+ TRACE_SANITIZE (this);
+ return_trace (Array32OfOffset32To<Paint>::sanitize (c, this));
+ }
+};
+
struct COLR
{
static constexpr hb_tag_t tableTag = HB_OT_TAG_COLR;
struct accelerator_t
{
- accelerator_t () {}
- ~accelerator_t () { fini (); }
-
- void init (hb_face_t *face)
+ accelerator_t (hb_face_t *face)
{ colr = hb_sanitize_context_t ().reference_table<COLR> (face); }
-
- void fini () { this->colr.destroy (); }
+ ~accelerator_t () { this->colr.destroy (); }
bool is_valid () { return colr.get_blob ()->length; }
hb_set_t *related_ids /* OUT */) const
{ colr->closure_glyphs (glyph, related_ids); }
+ void closure_V0palette_indices (const hb_set_t *glyphs,
+ hb_set_t *palettes /* OUT */) const
+ { colr->closure_V0palette_indices (glyphs, palettes); }
+
+ 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); }
+
private:
hb_blob_ptr_t<COLR> colr;
};
related_ids->add_array (&glyph_layers[0].glyphId, glyph_layers.length, LayerRecord::min_size);
}
+ void closure_V0palette_indices (const hb_set_t *glyphs,
+ hb_set_t *palettes /* OUT */) const
+ {
+ if (!numBaseGlyphs || !numLayers) return;
+ hb_array_t<const BaseGlyphRecord> baseGlyphs = (this+baseGlyphsZ).as_array (numBaseGlyphs);
+ hb_array_t<const LayerRecord> all_layers = (this+layersZ).as_array (numLayers);
+
+ for (const BaseGlyphRecord record : baseGlyphs)
+ {
+ if (!glyphs->has (record.glyphId)) continue;
+ hb_array_t<const LayerRecord> glyph_layers = all_layers.sub_array (record.firstLayerIdx,
+ record.numLayers);
+ for (const LayerRecord layer : glyph_layers)
+ palettes->add (layer.colorIdx);
+ }
+ }
+
+ void closure_forV1 (hb_set_t *glyphset,
+ hb_set_t *layer_indices,
+ hb_set_t *palette_indices) const
+ {
+ if (version != 1) return;
+ hb_set_t visited_glyphs;
+
+ hb_colrv1_closure_context_t c (this, &visited_glyphs, layer_indices, palette_indices);
+ const BaseGlyphList &baseglyph_paintrecords = this+baseGlyphList;
+
+ for (const BaseGlyphPaintRecord &baseglyph_paintrecord: baseglyph_paintrecords.iter ())
+ {
+ unsigned gid = baseglyph_paintrecord.glyphId;
+ if (!glyphset->has (gid)) continue;
+
+ const Paint &paint = &baseglyph_paintrecords+baseglyph_paintrecord.paint;
+ paint.dispatch (&c);
+ }
+ hb_set_union (glyphset, &visited_glyphs);
+ }
+
+ const LayerList& get_layerList () const
+ { return (this+layerList); }
+
+ const BaseGlyphList& get_baseglyphList () const
+ { return (this+baseGlyphList); }
+
bool sanitize (hb_sanitize_context_t *c) const
{
TRACE_SANITIZE (this);
- return_trace (likely (c->check_struct (this) &&
- (this+baseGlyphsZ).sanitize (c, numBaseGlyphs) &&
- (this+layersZ).sanitize (c, numLayers)));
+ return_trace (c->check_struct (this) &&
+ (this+baseGlyphsZ).sanitize (c, numBaseGlyphs) &&
+ (this+layersZ).sanitize (c, numLayers) &&
+ (version == 0 ||
+ (COLRV1_ENABLE_SUBSETTING && version == 1 &&
+ baseGlyphList.sanitize (c, this) &&
+ layerList.sanitize (c, this) &&
+ clipList.sanitize (c, this) &&
+ varIdxMap.sanitize (c, this) &&
+ varStore.sanitize (c, this))));
}
template<typename BaseIterator, typename LayerIterator,
hb_requires (hb_is_iterator (BaseIterator)),
hb_requires (hb_is_iterator (LayerIterator))>
- bool serialize (hb_serialize_context_t *c,
- unsigned version,
- BaseIterator base_it,
- LayerIterator layer_it)
+ bool serialize_V0 (hb_serialize_context_t *c,
+ unsigned version,
+ BaseIterator base_it,
+ LayerIterator layer_it)
{
TRACE_SERIALIZE (this);
if (unlikely (base_it.len () != layer_it.len ()))
return_trace (false);
- if (unlikely (!c->extend_min (this))) return_trace (false);
this->version = version;
numLayers = 0;
numBaseGlyphs = base_it.len ();
- baseGlyphsZ = COLR::min_size;
- layersZ = COLR::min_size + numBaseGlyphs * BaseGlyphRecord::min_size;
+ if (numBaseGlyphs == 0)
+ {
+ baseGlyphsZ = 0;
+ layersZ = 0;
+ return_trace (true);
+ }
- for (const hb_item_type<BaseIterator>& _ : + base_it.iter ())
+ c->push ();
+ for (const hb_item_type<BaseIterator> _ : + base_it.iter ())
{
auto* record = c->embed (_);
if (unlikely (!record)) return_trace (false);
record->firstLayerIdx = numLayers;
numLayers += record->numLayers;
}
+ c->add_link (baseGlyphsZ, c->pop_pack ());
+ c->push ();
for (const hb_item_type<LayerIterator>& _ : + layer_it.iter ())
_.as_array ().copy (c);
+ c->add_link (layersZ, c->pop_pack ());
+
return_trace (true);
}
const BaseGlyphRecord* get_base_glyph_record (hb_codepoint_t gid) const
{
- if ((unsigned int) gid == 0) // Ignore notdef.
- return nullptr;
const BaseGlyphRecord* record = &(this+baseGlyphsZ).bsearch (numBaseGlyphs, (unsigned int) gid);
+ if (record == &Null (BaseGlyphRecord) ||
+ (record && (hb_codepoint_t) record->glyphId != gid))
+ record = nullptr;
+ return record;
+ }
+
+ const BaseGlyphPaintRecord* get_base_glyph_paintrecord (hb_codepoint_t gid) const
+ {
+ const BaseGlyphPaintRecord* record = &(this+baseGlyphList).bsearch ((unsigned) gid);
if ((record && (hb_codepoint_t) record->glyphId != gid))
record = nullptr;
return record;
TRACE_SUBSET (this);
const hb_map_t &reverse_glyph_map = *c->plan->reverse_glyph_map;
+ const hb_set_t& glyphset = *c->plan->_glyphset_colred;
auto base_it =
+ hb_range (c->plan->num_output_glyphs ())
+ | hb_filter ([&](hb_codepoint_t new_gid)
+ {
+ hb_codepoint_t old_gid = reverse_glyph_map.get (new_gid);
+ if (glyphset.has (old_gid)) return true;
+ return false;
+ })
| hb_map_retains_sorting ([&](hb_codepoint_t new_gid)
{
hb_codepoint_t old_gid = reverse_glyph_map.get (new_gid);
const BaseGlyphRecord* old_record = get_base_glyph_record (old_gid);
if (unlikely (!old_record))
return hb_pair_t<bool, BaseGlyphRecord> (false, Null (BaseGlyphRecord));
-
- BaseGlyphRecord new_record;
+ BaseGlyphRecord new_record = {};
new_record.glyphId = new_gid;
new_record.numLayers = old_record->numLayers;
return hb_pair_t<bool, BaseGlyphRecord> (true, new_record);
auto layer_it =
+ hb_range (c->plan->num_output_glyphs ())
| hb_map (reverse_glyph_map)
+ | hb_filter (glyphset)
| hb_map_retains_sorting ([&](hb_codepoint_t old_gid)
{
const BaseGlyphRecord* old_record = get_base_glyph_record (old_gid);
if (unlikely (!c->plan->new_gid_for_old_gid (out_layers[i].glyphId, &new_gid)))
return hb_pair_t<bool, hb_vector_t<LayerRecord>> (false, out_layers);
out_layers[i].glyphId = new_gid;
+ out_layers[i].colorIdx = c->plan->colr_palettes->get (layers[i].colorIdx);
}
return hb_pair_t<bool, hb_vector_t<LayerRecord>> (true, out_layers);
| hb_map_retains_sorting (hb_second)
;
- if (unlikely (!base_it || !layer_it || base_it.len () != layer_it.len ()))
+ if (version == 0 && (!base_it || !layer_it))
return_trace (false);
COLR *colr_prime = c->serializer->start_embed<COLR> ();
- return_trace (colr_prime->serialize (c->serializer, version, base_it, layer_it));
+ 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));
+
+ auto snap = c->serializer->snapshot ();
+ 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);
+ //TODO: subset varStore once it's implemented in fonttools
+ return_trace (true);
}
protected:
HBUINT16 version; /* Table version number (starts at 0). */
HBUINT16 numBaseGlyphs; /* Number of Base Glyph Records. */
- LNNOffsetTo<SortedUnsizedArrayOf<BaseGlyphRecord>>
+ NNOffset32To<SortedUnsizedArrayOf<BaseGlyphRecord>>
baseGlyphsZ; /* Offset to Base Glyph records. */
- LNNOffsetTo<UnsizedArrayOf<LayerRecord>>
+ NNOffset32To<UnsizedArrayOf<LayerRecord>>
layersZ; /* Offset to Layer Records. */
HBUINT16 numLayers; /* Number of Layer Records. */
+ // Version-1 additions
+ Offset32To<BaseGlyphList> baseGlyphList;
+ 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;
public:
- DEFINE_SIZE_STATIC (14);
+ DEFINE_SIZE_MIN (14);
+};
+
+struct COLR_accelerator_t : COLR::accelerator_t {
+ COLR_accelerator_t (hb_face_t *face) : COLR::accelerator_t (face) {}
};
} /* namespace OT */
projects / platform / upstream / harfbuzz.git / blobdiff