/*
* Copyright (C) 2013 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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
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* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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*/
#ifndef WebFilterAnimationCurve_h
#define WebFilterAnimationCurve_h
#include "WebAnimationCurve.h"
#include "WebCommon.h"
#include "WebFilterKeyframe.h"
namespace blink {
// A keyframed filter animation curve.
class WebFilterAnimationCurve : public WebAnimationCurve {
public:
virtual ~WebFilterAnimationCurve() { }
virtual void add(const WebFilterKeyframe&, TimingFunctionType = TimingFunctionTypeEase) = 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 WebFilterKeyframe&, double x1, double y1, double x2, double y2) = 0;
};
} // namespace blink
#endif // WebFilterAnimationCurve_h