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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#include "core/animation/InterpolableValue.h"
namespace WebCore {
DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(InterpolableValue);
PassOwnPtrWillBeRawPtr<InterpolableValue> InterpolableNumber::interpolate(const InterpolableValue &to, const double progress) const
{
const InterpolableNumber* toNumber = toInterpolableNumber(&to);
if (!progress)
return create(m_value);
if (progress == 1)
return create(toNumber->m_value);
return create(m_value * (1 - progress) + toNumber->m_value * progress);
}
PassOwnPtrWillBeRawPtr<InterpolableValue> InterpolableBool::interpolate(const InterpolableValue &to, const double progress) const
{
if (progress < 0.5) {
return clone();
}
return to.clone();
}
PassOwnPtrWillBeRawPtr<InterpolableValue> InterpolableList::interpolate(const InterpolableValue &to, const double progress) const
{
const InterpolableList* toList = toInterpolableList(&to);
ASSERT(toList->m_size == m_size);
if (!progress) {
return create(*this);
}
if (progress == 1) {
return InterpolableList::create(*toList);
}
OwnPtrWillBeRawPtr<InterpolableList> result = create(m_size);
for (size_t i = 0; i < m_size; i++) {
ASSERT(m_values[i]);
ASSERT(toList->m_values[i]);
result->set(i, m_values[i]->interpolate(*(toList->m_values[i]), progress));
}
return result.release();
}
void InterpolableList::trace(Visitor* visitor)
{
#if ENABLE_OILPAN
visitor->trace(m_values);
#endif
InterpolableValue::trace(visitor);
}
PassOwnPtrWillBeRawPtr<InterpolableValue> InterpolableAnimatableValue::interpolate(const InterpolableValue &other, const double percentage) const
{
const InterpolableAnimatableValue *otherValue = toInterpolableAnimatableValue(&other);
if (!percentage)
return create(m_value);
if (percentage == 1)
return create(otherValue->m_value);
return create(AnimatableValue::interpolate(m_value.get(), otherValue->m_value.get(), percentage));
}
void InterpolableAnimatableValue::trace(Visitor* visitor)
{
visitor->trace(m_value);
InterpolableValue::trace(visitor);
}
}
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