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32 #include "core/animation/AnimatableImage.h"
34 #include "core/css/CSSImageValue.h"
35 #include "core/rendering/style/StyleGeneratedImage.h"
36 #include "wtf/MathExtras.h"
40 // FIXME: Once cross-fade works on generated image types, remove this method.
41 bool AnimatableImage::usesDefaultInterpolationWith(const AnimatableValue* value) const
43 if (!m_value->isImageValue())
45 if (!toAnimatableImage(value)->toCSSValue()->isImageValue())
50 PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableImage::interpolateTo(const AnimatableValue* value, double fraction) const
52 if (fraction <= 0 || fraction >= 1 || usesDefaultInterpolationWith(value))
53 return defaultInterpolateTo(this, value, fraction);
55 CSSValue* fromValue = toCSSValue();
56 CSSValue* toValue = toAnimatableImage(value)->toCSSValue();
58 RefPtrWillBeRawPtr<CSSCrossfadeValue> crossfadeValue = CSSCrossfadeValue::create(fromValue, toValue);
59 crossfadeValue->setPercentage(CSSPrimitiveValue::create(fraction, CSSPrimitiveValue::CSS_NUMBER));
60 return create(crossfadeValue);
63 PassRefPtrWillBeRawPtr<AnimatableValue> AnimatableImage::addWith(const AnimatableValue* value) const
65 // FIXME: Correct procedure is defined here: http://dev.w3.org/fxtf/web-animations/#the--image--type
66 return defaultAddWith(this, value);
69 bool AnimatableImage::equalTo(const AnimatableValue* value) const
71 return m_value->equals(*toAnimatableImage(value)->m_value.get());