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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 |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 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 #include "core/animation/animatable/AnimatableValue.h" | 31 #include "core/animation/animatable/AnimatableValue.h" |
| 32 | 32 |
| 33 #include <algorithm> |
| 33 #include "core/animation/animatable/AnimatableNeutral.h" | 34 #include "core/animation/animatable/AnimatableNeutral.h" |
| 34 #include "wtf/StdLibExtras.h" | 35 #include "wtf/StdLibExtras.h" |
| 35 #include <algorithm> | |
| 36 | 36 |
| 37 namespace blink { | 37 namespace blink { |
| 38 | 38 |
| 39 PassRefPtr<AnimatableValue> AnimatableValue::neutralValue() { | 39 PassRefPtr<AnimatableValue> AnimatableValue::neutralValue() { |
| 40 DEFINE_STATIC_REF(AnimatableNeutral, neutralSentinelValue, | 40 DEFINE_STATIC_REF(AnimatableNeutral, neutralSentinelValue, |
| 41 (AnimatableNeutral::create())); | 41 (AnimatableNeutral::create())); |
| 42 return neutralSentinelValue; | 42 return neutralSentinelValue; |
| 43 } | 43 } |
| 44 | 44 |
| 45 PassRefPtr<AnimatableValue> AnimatableValue::interpolate( | 45 PassRefPtr<AnimatableValue> AnimatableValue::interpolate( |
| 46 const AnimatableValue* left, | 46 const AnimatableValue* left, |
| 47 const AnimatableValue* right, | 47 const AnimatableValue* right, |
| 48 double fraction) { | 48 double fraction) { |
| 49 DCHECK(left); | 49 DCHECK(left); |
| 50 DCHECK(right); | 50 DCHECK(right); |
| 51 DCHECK(!left->isNeutral()); | 51 DCHECK(!left->isNeutral()); |
| 52 DCHECK(!right->isNeutral()); | 52 DCHECK(!right->isNeutral()); |
| 53 | 53 |
| 54 if (fraction && fraction != 1 && left->isSameType(right)) | 54 if (fraction && fraction != 1 && left->isSameType(right)) |
| 55 return left->interpolateTo(right, fraction); | 55 return left->interpolateTo(right, fraction); |
| 56 | 56 |
| 57 return defaultInterpolateTo(left, right, fraction); | 57 return defaultInterpolateTo(left, right, fraction); |
| 58 } | 58 } |
| 59 | 59 |
| 60 } // namespace blink | 60 } // namespace blink |
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