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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 CC_ANIMATION_ANIMATION_CURVE_H_ | 5 #ifndef CC_ANIMATION_ANIMATION_CURVE_H_ |
6 #define CC_ANIMATION_ANIMATION_CURVE_H_ | 6 #define CC_ANIMATION_ANIMATION_CURVE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/time/time.h" | 10 #include "base/time/time.h" |
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70 ~TransformAnimationCurve() override {} | 70 ~TransformAnimationCurve() override {} |
71 | 71 |
72 virtual gfx::Transform GetValue(base::TimeDelta t) const = 0; | 72 virtual gfx::Transform GetValue(base::TimeDelta t) const = 0; |
73 | 73 |
74 // Sets |bounds| to be the bounding box for the region within which |box| | 74 // Sets |bounds| to be the bounding box for the region within which |box| |
75 // will move during this animation. If this region cannot be computed, | 75 // will move during this animation. If this region cannot be computed, |
76 // returns false. | 76 // returns false. |
77 virtual bool AnimatedBoundsForBox(const gfx::BoxF& box, | 77 virtual bool AnimatedBoundsForBox(const gfx::BoxF& box, |
78 gfx::BoxF* bounds) const = 0; | 78 gfx::BoxF* bounds) const = 0; |
79 | 79 |
80 // Returns true if this animation affects scale. | |
81 virtual bool AffectsScale() const = 0; | |
82 | |
83 // Returns true if this animation is a translation. | 80 // Returns true if this animation is a translation. |
84 virtual bool IsTranslation() const = 0; | 81 virtual bool IsTranslation() const = 0; |
85 | 82 |
86 // Returns true if this animation preserves axis alignment. | 83 // Returns true if this animation preserves axis alignment. |
87 virtual bool PreservesAxisAlignment() const = 0; | 84 virtual bool PreservesAxisAlignment() const = 0; |
88 | 85 |
89 // Animation start scale | 86 // Animation start scale |
90 virtual bool AnimationStartScale(bool forward_direction, | 87 virtual bool AnimationStartScale(bool forward_direction, |
91 float* start_scale) const = 0; | 88 float* start_scale) const = 0; |
92 | 89 |
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109 virtual FilterOperations GetValue(base::TimeDelta t) const = 0; | 106 virtual FilterOperations GetValue(base::TimeDelta t) const = 0; |
110 virtual bool HasFilterThatMovesPixels() const = 0; | 107 virtual bool HasFilterThatMovesPixels() const = 0; |
111 | 108 |
112 // Partial Animation implementation. | 109 // Partial Animation implementation. |
113 CurveType Type() const override; | 110 CurveType Type() const override; |
114 }; | 111 }; |
115 | 112 |
116 } // namespace cc | 113 } // namespace cc |
117 | 114 |
118 #endif // CC_ANIMATION_ANIMATION_CURVE_H_ | 115 #endif // CC_ANIMATION_ANIMATION_CURVE_H_ |
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