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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #include "core/animation/animatable/AnimatableFilterOperations.h" | 31 #include "core/animation/animatable/AnimatableFilterOperations.h" |
32 | 32 |
33 #include <algorithm> | 33 #include <algorithm> |
34 | 34 |
35 namespace blink { | 35 namespace blink { |
36 | 36 |
37 bool AnimatableFilterOperations::UsesDefaultInterpolationWith( | |
38 const AnimatableValue* value) const { | |
39 const AnimatableFilterOperations* target = | |
40 ToAnimatableFilterOperations(value); | |
41 return !Operations().CanInterpolateWith(target->Operations()); | |
42 } | |
43 | |
44 PassRefPtr<AnimatableValue> AnimatableFilterOperations::InterpolateTo( | 37 PassRefPtr<AnimatableValue> AnimatableFilterOperations::InterpolateTo( |
45 const AnimatableValue* value, | 38 const AnimatableValue* value, |
46 double fraction) const { | 39 double fraction) const { |
47 if (UsesDefaultInterpolationWith(value)) | 40 const AnimatableFilterOperations* target = |
| 41 ToAnimatableFilterOperations(value); |
| 42 |
| 43 if (!Operations().CanInterpolateWith(target->Operations())) |
48 return DefaultInterpolateTo(this, value, fraction); | 44 return DefaultInterpolateTo(this, value, fraction); |
49 | 45 |
50 const AnimatableFilterOperations* target = | |
51 ToAnimatableFilterOperations(value); | |
52 FilterOperations result; | 46 FilterOperations result; |
53 size_t from_size = Operations().size(); | 47 size_t from_size = Operations().size(); |
54 size_t to_size = target->Operations().size(); | 48 size_t to_size = target->Operations().size(); |
55 size_t size = std::max(from_size, to_size); | 49 size_t size = std::max(from_size, to_size); |
56 for (size_t i = 0; i < size; i++) { | 50 for (size_t i = 0; i < size; i++) { |
57 FilterOperation* from = | 51 FilterOperation* from = |
58 (i < from_size) ? operation_wrapper_->Operations().Operations()[i].Get() | 52 (i < from_size) ? operation_wrapper_->Operations().Operations()[i].Get() |
59 : 0; | 53 : 0; |
60 FilterOperation* to = | 54 FilterOperation* to = |
61 (i < to_size) | 55 (i < to_size) |
62 ? target->operation_wrapper_->Operations().Operations()[i].Get() | 56 ? target->operation_wrapper_->Operations().Operations()[i].Get() |
63 : 0; | 57 : 0; |
64 FilterOperation* blended_op = FilterOperation::Blend(from, to, fraction); | 58 FilterOperation* blended_op = FilterOperation::Blend(from, to, fraction); |
65 if (blended_op) | 59 if (blended_op) |
66 result.Operations().push_back(blended_op); | 60 result.Operations().push_back(blended_op); |
67 else | 61 else |
68 NOTREACHED(); | 62 NOTREACHED(); |
69 } | 63 } |
70 return AnimatableFilterOperations::Create(result); | 64 return AnimatableFilterOperations::Create(result); |
71 } | 65 } |
72 | 66 |
73 bool AnimatableFilterOperations::EqualTo(const AnimatableValue* value) const { | |
74 return Operations() == ToAnimatableFilterOperations(value)->Operations(); | |
75 } | |
76 | |
77 } // namespace blink | 67 } // namespace blink |
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