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| 1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CCAnimationCurve_h | 5 // Temporary forwarding header |
| 6 #define CCAnimationCurve_h | 6 #include "cc/animation_curve.h" |
| 7 | |
| 8 #include "base/memory/scoped_ptr.h" | |
| 9 #include <public/WebTransformationMatrix.h> | |
| 10 | |
| 11 namespace cc { | |
| 12 | |
| 13 class CCFloatAnimationCurve; | |
| 14 class CCTransformAnimationCurve; | |
| 15 class IntSize; | |
| 16 class TransformOperations; | |
| 17 | |
| 18 // An animation curve is a function that returns a value given a time. | |
| 19 // There are currently only two types of curve, float and transform. | |
| 20 class CCAnimationCurve { | |
| 21 public: | |
| 22 enum Type { Float, Transform }; | |
| 23 | |
| 24 virtual ~CCAnimationCurve() { } | |
| 25 | |
| 26 virtual double duration() const = 0; | |
| 27 virtual Type type() const = 0; | |
| 28 virtual scoped_ptr<CCAnimationCurve> clone() const = 0; | |
| 29 | |
| 30 const CCFloatAnimationCurve* toFloatAnimationCurve() const; | |
| 31 const CCTransformAnimationCurve* toTransformAnimationCurve() const; | |
| 32 }; | |
| 33 | |
| 34 class CCFloatAnimationCurve : public CCAnimationCurve { | |
| 35 public: | |
| 36 virtual ~CCFloatAnimationCurve() { } | |
| 37 | |
| 38 virtual float getValue(double t) const = 0; | |
| 39 | |
| 40 // Partial CCAnimation implementation. | |
| 41 virtual Type type() const OVERRIDE; | |
| 42 }; | |
| 43 | |
| 44 class CCTransformAnimationCurve : public CCAnimationCurve { | |
| 45 public: | |
| 46 virtual ~CCTransformAnimationCurve() { } | |
| 47 | |
| 48 virtual WebKit::WebTransformationMatrix getValue(double t) const = 0; | |
| 49 | |
| 50 // Partial CCAnimation implementation. | |
| 51 virtual Type type() const OVERRIDE; | |
| 52 }; | |
| 53 | |
| 54 } // namespace cc | |
| 55 | |
| 56 #endif // CCAnimation_h | |
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