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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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| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 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 #ifndef CompositorAnimations_h | 31 #ifndef CompositorAnimations_h |
| 32 #define CompositorAnimations_h | 32 #define CompositorAnimations_h |
| 33 | 33 |
| 34 #include "core/animation/AnimationEffect.h" | 34 #include "core/animation/AnimationEffect.h" |
| 35 #include "core/animation/Timing.h" | 35 #include "core/animation/Timing.h" |
| 36 #include "core/platform/animation/TimingFunction.h" | 36 #include "platform/animation/TimingFunction.h" |
| 37 #include "wtf/Vector.h" | 37 #include "wtf/Vector.h" |
| 38 | 38 |
| 39 namespace WebCore { | 39 namespace WebCore { |
| 40 | 40 |
| 41 class Element; | 41 class Element; |
| 42 | 42 |
| 43 // Given an input timing function between keyframe at 0 and keyframe at 1.0, we | 43 // Given an input timing function between keyframe at 0 and keyframe at 1.0, we |
| 44 // need a timing function such that the behavior with the keyframes swapped is | 44 // need a timing function such that the behavior with the keyframes swapped is |
| 45 // equivalent to reversing time with the input timing function and keyframes. | 45 // equivalent to reversing time with the input timing function and keyframes. |
| 46 // This means flipping the timing function about x=0.5 and about y=0.5. | 46 // This means flipping the timing function about x=0.5 and about y=0.5. |
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| 75 if (newInstance) { | 75 if (newInstance) { |
| 76 instance = newInstance; | 76 instance = newInstance; |
| 77 } | 77 } |
| 78 return instance; | 78 return instance; |
| 79 } | 79 } |
| 80 }; | 80 }; |
| 81 | 81 |
| 82 } // namespace WebCore | 82 } // namespace WebCore |
| 83 | 83 |
| 84 #endif | 84 #endif |
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