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/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003-2021 Apple Inc. All rights reserved.
* Copyright (C) 2020 Noam Rosenthal (noam@webkit.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "StyleImage.h"
#include "StyleInvalidImage.h"
namespace WebCore {
class Document;
struct ImageWithScale {
RefPtr<StyleImage> image { StyleInvalidImage::create() };
float scaleFactor { 1 };
String mimeType { String() };
};
inline bool operator==(const ImageWithScale& a, const ImageWithScale& b)
{
return a.image == b.image && a.scaleFactor == b.scaleFactor;
}
class StyleMultiImage : public StyleImage {
WTF_MAKE_FAST_ALLOCATED;
public:
virtual ~StyleMultiImage();
protected:
StyleMultiImage(Type);
bool equals(const StyleMultiImage& other) const;
virtual ImageWithScale selectBestFitImage(const Document&) = 0;
CachedImage* cachedImage() const final;
private:
WrappedImagePtr data() const final;
bool canRender(const RenderElement*, float multiplier) const final;
bool isPending() const final;
void load(CachedResourceLoader&, const ResourceLoaderOptions&) final;
bool isLoaded() const final;
bool errorOccurred() const final;
FloatSize imageSize(const RenderElement*, float multiplier) const final;
bool imageHasRelativeWidth() const final;
bool imageHasRelativeHeight() const final;
void computeIntrinsicDimensions(const RenderElement*, Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio) final;
bool usesImageContainerSize() const final;
void setContainerContextForRenderer(const RenderElement&, const FloatSize&, float);
void addClient(RenderElement&) final;
void removeClient(RenderElement&) final;
bool hasClient(RenderElement&) const final;
RefPtr<Image> image(const RenderElement*, const FloatSize&) const final;
float imageScaleFactor() const final;
bool knownToBeOpaque(const RenderElement&) const final;
const StyleImage* selectedImage() const final { return m_selectedImage.get(); }
StyleImage* selectedImage() final { return m_selectedImage.get(); }
RefPtr<StyleImage> m_selectedImage;
bool m_isPending { true };
};
} // namespace WebCore
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