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/*
* Copyright (C) 2014-2017 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "config.h"
#include "ShapeValue.h"
#include "AnimationUtilities.h"
#include "CachedImage.h"
#include <wtf/PointerComparison.h>
namespace WebCore {
bool ShapeValue::isImageValid() const
{
if (!m_image)
return false;
if (m_image->hasCachedImage()) {
auto* cachedImage = m_image->cachedImage();
return cachedImage && cachedImage->hasImage();
}
return m_image->isGeneratedImage();
}
bool ShapeValue::operator==(const ShapeValue& other) const
{
return m_type == other.m_type
&& m_cssBox == other.m_cssBox
&& arePointingToEqualData(m_shape, other.m_shape)
&& arePointingToEqualData(m_image, other.m_image);
}
bool ShapeValue::canBlend(const ShapeValue& to) const
{
if (m_type != ShapeValue::Type::Shape || to.type() != ShapeValue::Type::Shape)
return false;
if (m_cssBox != to.cssBox())
return false;
if (auto* toShape = to.shape())
return m_shape && m_shape->canBlend(*toShape);
return false;
}
Ref<ShapeValue> ShapeValue::blend(const ShapeValue& to, const BlendingContext& context) const
{
ASSERT(m_shape && to.shape());
return ShapeValue::create(to.shape()->blend(*m_shape, context), m_cssBox);
}
CSSBoxType ShapeValue::effectiveCSSBox() const
{
if (m_cssBox == CSSBoxType::BoxMissing)
return m_type == ShapeValue::Type::Image ? CSSBoxType::ContentBox : CSSBoxType::MarginBox;
return m_cssBox;
}
} // namespace WebCore
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