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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkottieProperties_DEFINED
#define SkottieProperties_DEFINED
#include "SkColor.h"
#include "SkPath.h"
#include "SkPoint.h"
#include "SkSize.h"
#include "SkRefCnt.h"
#include "SkTArray.h"
#include "SkTypes.h"
#include <memory>
#include <vector>
namespace sksg {
class Color;
class Gradient;
class LinearGradient;
class Matrix;
class Path;
class RadialGradient;
class RRect;
class RenderNode;;
}
namespace Json { class Value; }
namespace skottie {
template <typename T>
struct ValueTraits {
static size_t Cardinality(const T&);
template <typename U>
static U As(const T&);
};
using ScalarValue = SkScalar;
using VectorValue = std::vector<ScalarValue>;
using ShapeValue = SkPath;
// Composite properties.
#define COMPOSITE_PROPERTY(p_name, p_type, p_default) \
void set##p_name(const p_type& p) { \
if (p == f##p_name) return; \
f##p_name = p; \
this->apply(); \
} \
private: \
p_type f##p_name = p_default; \
public:
class CompositeRRect final : public SkRefCnt {
public:
explicit CompositeRRect(sk_sp<sksg::RRect>);
COMPOSITE_PROPERTY(Position, SkPoint , SkPoint::Make(0, 0))
COMPOSITE_PROPERTY(Size , SkSize , SkSize::Make(0, 0))
COMPOSITE_PROPERTY(Radius , SkSize , SkSize::Make(0, 0))
private:
void apply();
sk_sp<sksg::RRect> fRRectNode;
using INHERITED = SkRefCnt;
};
class CompositePolyStar final : public SkRefCnt {
public:
enum class Type {
kStar, kPoly,
};
CompositePolyStar(sk_sp<sksg::Path>, Type);
COMPOSITE_PROPERTY(Position , SkPoint , SkPoint::Make(0, 0))
COMPOSITE_PROPERTY(PointCount , SkScalar, 0)
COMPOSITE_PROPERTY(InnerRadius , SkScalar, 0)
COMPOSITE_PROPERTY(OuterRadius , SkScalar, 0)
COMPOSITE_PROPERTY(InnerRoundness, SkScalar, 0)
COMPOSITE_PROPERTY(OuterRoundness, SkScalar, 0)
COMPOSITE_PROPERTY(Rotation , SkScalar, 0)
private:
void apply();
sk_sp<sksg::Path> fPathNode;
Type fType;
using INHERITED = SkRefCnt;
};
class CompositeTransform final : public SkRefCnt {
public:
explicit CompositeTransform(sk_sp<sksg::Matrix>);
COMPOSITE_PROPERTY(AnchorPoint, SkPoint , SkPoint::Make(0, 0))
COMPOSITE_PROPERTY(Position , SkPoint , SkPoint::Make(0, 0))
COMPOSITE_PROPERTY(Scale , SkVector, SkPoint::Make(100, 100))
COMPOSITE_PROPERTY(Rotation , SkScalar, 0)
COMPOSITE_PROPERTY(Skew , SkScalar, 0)
COMPOSITE_PROPERTY(SkewAxis , SkScalar, 0)
private:
void apply();
sk_sp<sksg::Matrix> fMatrixNode;
using INHERITED = SkRefCnt;
};
class CompositeGradient : public SkRefCnt {
public:
COMPOSITE_PROPERTY(StartPoint, SkPoint , SkPoint::Make(0, 0) )
COMPOSITE_PROPERTY(EndPoint , SkPoint , SkPoint::Make(0, 0) )
COMPOSITE_PROPERTY(ColorStops, std::vector<SkScalar>, std::vector<SkScalar>())
protected:
CompositeGradient(sk_sp<sksg::Gradient>, size_t stopCount);
const SkPoint& startPoint() const { return fStartPoint; }
const SkPoint& endPoint() const { return fEndPoint; }
sk_sp<sksg::Gradient> fGradient;
size_t fStopCount;
virtual void onApply() = 0;
private:
void apply();
using INHERITED = SkRefCnt;
};
class CompositeLinearGradient final : public CompositeGradient {
public:
CompositeLinearGradient(sk_sp<sksg::LinearGradient>, size_t stopCount);
private:
void onApply() override;
using INHERITED = CompositeGradient;
};
class CompositeRadialGradient final : public CompositeGradient {
public:
CompositeRadialGradient(sk_sp<sksg::RadialGradient>, size_t stopCount);
private:
void onApply() override;
using INHERITED = CompositeGradient;
};
#undef COMPOSITE_PROPERTY
} // namespace skottie
#endif // SkottieProperties_DEFINED
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