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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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_TRANSFORM_OPERATIONS_H_ | 5 #ifndef CC_ANIMATION_TRANSFORM_OPERATIONS_H_ |
6 #define CC_ANIMATION_TRANSFORM_OPERATIONS_H_ | 6 #define CC_ANIMATION_TRANSFORM_OPERATIONS_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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56 SkMScalar min_progress, | 56 SkMScalar min_progress, |
57 SkMScalar max_progress, | 57 SkMScalar max_progress, |
58 gfx::BoxF* bounds) const; | 58 gfx::BoxF* bounds) const; |
59 | 59 |
60 // Returns true if these operations affect scale. | 60 // Returns true if these operations affect scale. |
61 bool AffectsScale() const; | 61 bool AffectsScale() const; |
62 | 62 |
63 // Returns true if these operations are only translations. | 63 // Returns true if these operations are only translations. |
64 bool IsTranslation() const; | 64 bool IsTranslation() const; |
65 | 65 |
| 66 // Returns false if the operations affect 2d axis alignment. |
| 67 bool PreservesAxisAlignment() const; |
| 68 |
66 // Returns true if this operation and its descendants have the same types | 69 // Returns true if this operation and its descendants have the same types |
67 // as other and its descendants. | 70 // as other and its descendants. |
68 bool MatchesTypes(const TransformOperations& other) const; | 71 bool MatchesTypes(const TransformOperations& other) const; |
69 | 72 |
70 // Returns true if these operations can be blended. It will only return | 73 // Returns true if these operations can be blended. It will only return |
71 // false if we must resort to matrix interpolation, and matrix interpolation | 74 // false if we must resort to matrix interpolation, and matrix interpolation |
72 // fails (this can happen if either matrix cannot be decomposed). | 75 // fails (this can happen if either matrix cannot be decomposed). |
73 bool CanBlendWith(const TransformOperations& other) const; | 76 bool CanBlendWith(const TransformOperations& other) const; |
74 | 77 |
75 // If these operations have no more than one scale operation, and if the only | 78 // If these operations have no more than one scale operation, and if the only |
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98 // For efficiency, we cache the decomposed transform. | 101 // For efficiency, we cache the decomposed transform. |
99 mutable scoped_ptr<gfx::DecomposedTransform> decomposed_transform_; | 102 mutable scoped_ptr<gfx::DecomposedTransform> decomposed_transform_; |
100 mutable bool decomposed_transform_dirty_; | 103 mutable bool decomposed_transform_dirty_; |
101 | 104 |
102 DISALLOW_ASSIGN(TransformOperations); | 105 DISALLOW_ASSIGN(TransformOperations); |
103 }; | 106 }; |
104 | 107 |
105 } // namespace cc | 108 } // namespace cc |
106 | 109 |
107 #endif // CC_ANIMATION_TRANSFORM_OPERATIONS_H_ | 110 #endif // CC_ANIMATION_TRANSFORM_OPERATIONS_H_ |
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