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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 "StylePrimitiveNumericTypes+Blending.h"
namespace WebCore {
bool ShapeValue::isImageValid() const
{
auto image = this->protectedImage();
if (!image)
return false;
if (image->hasCachedImage()) {
auto* cachedImage = image->cachedImage();
return cachedImage && cachedImage->hasImage();
}
return image->isGeneratedImage();
}
bool ShapeValue::operator==(const ShapeValue& other) const
{
return std::visit(WTF::makeVisitor(
[]<typename T>(const T& a, const T& b) {
return a == b;
},
[](const auto&, const auto&) {
return false;
}
), m_value, other.m_value);
}
bool ShapeValue::canBlend(const ShapeValue& other) const
{
return std::visit(WTF::makeVisitor(
[](const ShapeAndBox& a, const ShapeAndBox& b) {
return Style::canBlend(a.shape, b.shape) && a.box == b.box;
},
[](const auto&, const auto&) {
return false;
}
), m_value, other.m_value);
}
Ref<ShapeValue> ShapeValue::blend(const ShapeValue& other, const BlendingContext& context) const
{
return std::visit(WTF::makeVisitor(
[&](const ShapeAndBox& a, const ShapeAndBox& b) -> Ref<ShapeValue> {
return ShapeValue::create(Style::blend(a.shape, b.shape, context), a.box);
},
[](const auto&, const auto&) -> Ref<ShapeValue> {
RELEASE_ASSERT_NOT_REACHED();
}
), m_value, other.m_value);
}
CSSBoxType ShapeValue::effectiveCSSBox() const
{
return WTF::switchOn(m_value,
[](const ShapeAndBox& shape) {
return shape.box == CSSBoxType::BoxMissing ? CSSBoxType::MarginBox : shape.box;
},
[](const Ref<StyleImage>&) {
return CSSBoxType::ContentBox;
},
[](const CSSBoxType& box) {
return box == CSSBoxType::BoxMissing ? CSSBoxType::MarginBox : box;
}
);
}
} // namespace WebCore
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