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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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_FLOAT_ANIMATION_CURVE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_FLOAT_ANIMATION_CURVE_H_
#include <memory>
#include "base/macros.h"
#include "base/memory/ptr_util.h"
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/animation/compositor_animation_curve.h"
#include "third_party/blink/renderer/platform/animation/compositor_float_keyframe.h"
#include "third_party/blink/renderer/platform/animation/timing_function.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
namespace gfx {
class KeyframedFloatAnimationCurve;
}
namespace blink {
class CompositorFloatKeyframe;
}
namespace blink {
// A keyframed float animation curve.
class PLATFORM_EXPORT CompositorFloatAnimationCurve
: public CompositorAnimationCurve {
public:
CompositorFloatAnimationCurve();
~CompositorFloatAnimationCurve() override;
void AddKeyframe(const CompositorFloatKeyframe&);
void SetTimingFunction(const TimingFunction&);
void SetScaledDuration(double);
float GetValue(double time) const;
// CompositorAnimationCurve implementation.
std::unique_ptr<gfx::AnimationCurve> CloneToAnimationCurve() const override;
static std::unique_ptr<CompositorFloatAnimationCurve> CreateForTesting(
std::unique_ptr<gfx::KeyframedFloatAnimationCurve>);
using Keyframes = Vector<std::unique_ptr<CompositorFloatKeyframe>>;
Keyframes KeyframesForTesting() const;
scoped_refptr<TimingFunction> GetTimingFunctionForTesting() const;
private:
CompositorFloatAnimationCurve(
std::unique_ptr<gfx::KeyframedFloatAnimationCurve>);
std::unique_ptr<gfx::KeyframedFloatAnimationCurve> curve_;
DISALLOW_COPY_AND_ASSIGN(CompositorFloatAnimationCurve);
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_FLOAT_ANIMATION_CURVE_H_
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