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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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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/AnimatableImage.h" | 31 #include "core/animation/animatable/AnimatableImage.h" |
32 | 32 |
33 #include "core/css/CSSImageValue.h" | 33 #include "core/css/CSSImageValue.h" |
34 #include "core/style/StyleGeneratedImage.h" | |
35 #include "wtf/MathExtras.h" | 34 #include "wtf/MathExtras.h" |
36 | 35 |
37 namespace blink { | 36 namespace blink { |
38 | 37 |
39 bool AnimatableImage::usesDefaultInterpolationWith( | |
40 const AnimatableValue* value) const { | |
41 if (!m_value->isImageValue()) | |
42 return true; | |
43 if (!toAnimatableImage(value)->toCSSValue()->isImageValue()) | |
44 return true; | |
45 return false; | |
46 } | |
47 | |
48 PassRefPtr<AnimatableValue> AnimatableImage::interpolateTo( | |
49 const AnimatableValue* value, | |
50 double fraction) const { | |
51 if (fraction <= 0 || fraction >= 1 || usesDefaultInterpolationWith(value)) | |
52 return defaultInterpolateTo(this, value, fraction); | |
53 | |
54 CSSValue* fromValue = toCSSValue(); | |
55 CSSValue* toValue = toAnimatableImage(value)->toCSSValue(); | |
56 | |
57 return create(CSSCrossfadeValue::create( | |
58 fromValue, toValue, CSSPrimitiveValue::create( | |
59 fraction, CSSPrimitiveValue::UnitType::Number))); | |
60 } | |
61 | |
62 bool AnimatableImage::equalTo(const AnimatableValue* value) const { | 38 bool AnimatableImage::equalTo(const AnimatableValue* value) const { |
63 return dataEquivalent(m_value, toAnimatableImage(value)->m_value); | 39 return dataEquivalent(m_value, toAnimatableImage(value)->m_value); |
64 } | 40 } |
65 | 41 |
66 } // namespace blink | 42 } // namespace blink |
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