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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CompositorFloatAnimationCurve_h
#define CompositorFloatAnimationCurve_h
#include "platform/PlatformExport.h"
#include "platform/animation/CompositorAnimationCurve.h"
#include "platform/animation/CompositorFloatKeyframe.h"
#include "platform/animation/TimingFunction.h"
#include "wtf/Noncopyable.h"
#include "wtf/PassRefPtr.h"
#include "wtf/PtrUtil.h"
#include "wtf/Vector.h"
#include <memory>
namespace cc {
class KeyframedFloatAnimationCurve;
}
namespace blink {
class CompositorFloatKeyframe;
}
namespace blink {
// A keyframed float animation curve.
class PLATFORM_EXPORT CompositorFloatAnimationCurve
: public CompositorAnimationCurve {
WTF_MAKE_NONCOPYABLE(CompositorFloatAnimationCurve);
public:
static std::unique_ptr<CompositorFloatAnimationCurve> create() {
return WTF::wrapUnique(new CompositorFloatAnimationCurve());
}
~CompositorFloatAnimationCurve() override;
void addKeyframe(const CompositorFloatKeyframe&);
void setTimingFunction(const TimingFunction&);
void setScaledDuration(double);
float getValue(double time) const;
// CompositorAnimationCurve implementation.
std::unique_ptr<cc::AnimationCurve> cloneToAnimationCurve() const override;
static std::unique_ptr<CompositorFloatAnimationCurve> createForTesting(
std::unique_ptr<cc::KeyframedFloatAnimationCurve>);
using Keyframes = Vector<std::unique_ptr<CompositorFloatKeyframe>>;
Keyframes keyframesForTesting() const;
PassRefPtr<TimingFunction> getTimingFunctionForTesting() const;
private:
CompositorFloatAnimationCurve();
CompositorFloatAnimationCurve(
std::unique_ptr<cc::KeyframedFloatAnimationCurve>);
std::unique_ptr<cc::KeyframedFloatAnimationCurve> m_curve;
};
} // namespace blink
#endif // CompositorFloatAnimationCurve_h
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