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/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "core/animation/animatable/AnimatableShapeValue.h"
namespace blink {
bool AnimatableShapeValue::usesDefaultInterpolationWith(
const AnimatableValue* value) const {
const AnimatableShapeValue* shapeValue = toAnimatableShapeValue(value);
if (m_shape->type() != ShapeValue::Shape ||
shapeValue->m_shape->type() != ShapeValue::Shape ||
m_shape->cssBox() != shapeValue->m_shape->cssBox())
return true;
const BasicShape* fromShape = this->m_shape->shape();
const BasicShape* toShape = shapeValue->m_shape->shape();
return !fromShape->canBlend(toShape);
}
PassRefPtr<AnimatableValue> AnimatableShapeValue::interpolateTo(
const AnimatableValue* value,
double fraction) const {
if (usesDefaultInterpolationWith(value))
return defaultInterpolateTo(this, value, fraction);
const AnimatableShapeValue* shapeValue = toAnimatableShapeValue(value);
const BasicShape* fromShape = this->m_shape->shape();
const BasicShape* toShape = shapeValue->m_shape->shape();
return AnimatableShapeValue::create(ShapeValue::createShapeValue(
toShape->blend(fromShape, fraction), shapeValue->m_shape->cssBox()));
}
bool AnimatableShapeValue::equalTo(const AnimatableValue* value) const {
const ShapeValue* shape = toAnimatableShapeValue(value)->m_shape.get();
return m_shape == shape || (m_shape && shape && *m_shape == *shape);
}
} // namespace blink
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