/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef WebFloatAnimationCurve_h
#define WebFloatAnimationCurve_h
#include "WebAnimationCurve.h"
#include "WebCommon.h"
#include "WebFloatKeyframe.h"
namespace blink {
// A keyframed float animation curve.
class WebFloatAnimationCurve : public WebAnimationCurve {
public:
virtual ~WebFloatAnimationCurve() { }
// Adds the keyframe with the default timing function (ease).
virtual void add(const WebFloatKeyframe&) = 0;
virtual void add(const WebFloatKeyframe&, TimingFunctionType) = 0;
// Adds the keyframe with a custom, bezier timing function. Note, it is
// assumed that x0 = y0 = 0, and x3 = y3 = 1.
virtual void add(const WebFloatKeyframe&, double x1, double y1, double x2, double y2) = 0;
virtual float getValue(double time) const = 0;
};
} // namespace blink
#endif // WebFloatAnimationCurve_h