OLD | NEW |
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 |
| 5 #ifndef CCAnimationCurve_h |
| 6 #define CCAnimationCurve_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 |
OLD | NEW |