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      1 /*
      2  * Copyright (C) 2012 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1.  Redistributions of source code must retain the above copyright
      8  *     notice, this list of conditions and the following disclaimer.
      9  * 2.  Redistributions in binary form must reproduce the above copyright
     10  *     notice, this list of conditions and the following disclaimer in the
     11  *     documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     16  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     17  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
     20  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     23  */
     24 
     25 #ifndef WebAnimationCurve_h
     26 #define WebAnimationCurve_h
     27 
     28 #include "WebCommon.h"
     29 
     30 #define WEB_FILTER_ANIMATION_CURVE_IS_DEFINED 1
     31 
     32 namespace blink {
     33 
     34 class WebAnimationCurve {
     35 public:
     36     virtual ~WebAnimationCurve() { }
     37 
     38     enum TimingFunctionType {
     39         TimingFunctionTypeEase,
     40         TimingFunctionTypeEaseIn,
     41         TimingFunctionTypeEaseOut,
     42         TimingFunctionTypeEaseInOut,
     43         TimingFunctionTypeLinear
     44     };
     45 
     46     enum AnimationCurveType {
     47         AnimationCurveTypeFilter,
     48         AnimationCurveTypeFloat,
     49         AnimationCurveTypeTransform,
     50     };
     51 
     52     virtual AnimationCurveType type() const = 0;
     53 };
     54 
     55 } // namespace blink
     56 
     57 #endif // WebAnimationCurve_h
     58 
     59