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// Copyright 2012 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 CCTimingFunction_h
#define CCTimingFunction_h
#include "CCAnimationCurve.h"
#include "UnitBezier.h"
namespace cc {
// See http://www.w3.org/TR/css3-transitions/.
class CCTimingFunction : public CCFloatAnimationCurve {
public:
virtual ~CCTimingFunction();
// Partial implementation of CCFloatAnimationCurve.
virtual double duration() const OVERRIDE;
protected:
CCTimingFunction();
};
class CCCubicBezierTimingFunction : public CCTimingFunction {
public:
static scoped_ptr<CCCubicBezierTimingFunction> create(double x1, double y1, double x2, double y2);
virtual ~CCCubicBezierTimingFunction();
// Partial implementation of CCFloatAnimationCurve.
virtual float getValue(double time) const OVERRIDE;
virtual scoped_ptr<CCAnimationCurve> clone() const OVERRIDE;
protected:
CCCubicBezierTimingFunction(double x1, double y1, double x2, double y2);
UnitBezier m_curve;
};
class CCEaseTimingFunction {
public:
static scoped_ptr<CCTimingFunction> create();
};
class CCEaseInTimingFunction {
public:
static scoped_ptr<CCTimingFunction> create();
};
class CCEaseOutTimingFunction {
public:
static scoped_ptr<CCTimingFunction> create();
};
class CCEaseInOutTimingFunction {
public:
static scoped_ptr<CCTimingFunction> create();
};
} // namespace cc
#endif // CCTimingFunction_h
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