skia2/experimental/skottie/SkottieAdapter.h

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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkottieAdapter_DEFINED
#define SkottieAdapter_DEFINED
#include "SkPoint.h"
#include "SkRefCnt.h"
#include "SkSize.h"
#include <vector>
namespace sksg {
class Gradient;
class LinearGradient;
class Matrix;
class Path;
class RadialGradient;
class RRect;
class TrimEffect;
};
namespace skottie {
#define ADAPTER_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 RRectAdapter final : public SkRefCnt {
public:
explicit RRectAdapter(sk_sp<sksg::RRect>);
ADAPTER_PROPERTY(Position, SkPoint , SkPoint::Make(0, 0))
ADAPTER_PROPERTY(Size , SkSize , SkSize::Make(0, 0))
ADAPTER_PROPERTY(Radius , SkSize , SkSize::Make(0, 0))
private:
void apply();
sk_sp<sksg::RRect> fRRectNode;
using INHERITED = SkRefCnt;
};
class PolyStarAdapter final : public SkRefCnt {
public:
enum class Type {
kStar, kPoly,
};
PolyStarAdapter(sk_sp<sksg::Path>, Type);
ADAPTER_PROPERTY(Position , SkPoint , SkPoint::Make(0, 0))
ADAPTER_PROPERTY(PointCount , SkScalar, 0)
ADAPTER_PROPERTY(InnerRadius , SkScalar, 0)
ADAPTER_PROPERTY(OuterRadius , SkScalar, 0)
ADAPTER_PROPERTY(InnerRoundness, SkScalar, 0)
ADAPTER_PROPERTY(OuterRoundness, SkScalar, 0)
ADAPTER_PROPERTY(Rotation , SkScalar, 0)
private:
void apply();
sk_sp<sksg::Path> fPathNode;
Type fType;
using INHERITED = SkRefCnt;
};
class TransformAdapter final : public SkRefCnt {
public:
explicit TransformAdapter(sk_sp<sksg::Matrix>);
ADAPTER_PROPERTY(AnchorPoint, SkPoint , SkPoint::Make(0, 0))
ADAPTER_PROPERTY(Position , SkPoint , SkPoint::Make(0, 0))
ADAPTER_PROPERTY(Scale , SkVector, SkPoint::Make(100, 100))
ADAPTER_PROPERTY(Rotation , SkScalar, 0)
ADAPTER_PROPERTY(Skew , SkScalar, 0)
ADAPTER_PROPERTY(SkewAxis , SkScalar, 0)
private:
void apply();
sk_sp<sksg::Matrix> fMatrixNode;
using INHERITED = SkRefCnt;
};
class GradientAdapter : public SkRefCnt {
public:
ADAPTER_PROPERTY(StartPoint, SkPoint , SkPoint::Make(0, 0) )
ADAPTER_PROPERTY(EndPoint , SkPoint , SkPoint::Make(0, 0) )
ADAPTER_PROPERTY(ColorStops, std::vector<SkScalar>, std::vector<SkScalar>())
protected:
GradientAdapter(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 LinearGradientAdapter final : public GradientAdapter {
public:
LinearGradientAdapter(sk_sp<sksg::LinearGradient>, size_t stopCount);
private:
void onApply() override;
using INHERITED = GradientAdapter;
};
class RadialGradientAdapter final : public GradientAdapter {
public:
RadialGradientAdapter(sk_sp<sksg::RadialGradient>, size_t stopCount);
private:
void onApply() override;
using INHERITED = GradientAdapter;
};
class TrimEffectAdapter final : public SkRefCnt {
public:
explicit TrimEffectAdapter(sk_sp<sksg::TrimEffect>);
ADAPTER_PROPERTY(Start , SkScalar, 0)
ADAPTER_PROPERTY(End , SkScalar, 100)
ADAPTER_PROPERTY(Offset, SkScalar, 0)
private:
void apply();
sk_sp<sksg::TrimEffect> fTrimEffect;
using INHERITED = SkRefCnt;
};
#undef ADAPTER_PROPERTY
} // namespace skottie
#endif // SkottieAdapter_DEFINED