third_party/WebKit/Source/core/layout/LayoutImageResourceStyleImage.h

/*
 * Copyright (C) 1999 Lars Knoll <knoll@kde.org>
 * Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
 * Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
 * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights reserved.
 * Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
 *
 * 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.
 *
 */

#ifndef LayoutImageResourceStyleImage_h
#define LayoutImageResourceStyleImage_h

#include "core/layout/LayoutImageResource.h"
#include "core/style/StyleImage.h"
#include "wtf/RefPtr.h"

namespace blink {

class LayoutObject;

class LayoutImageResourceStyleImage final : public LayoutImageResource {
public:
    ~LayoutImageResourceStyleImage() override;

    static LayoutImageResource* create(StyleImage* styleImage)
    {
        return new LayoutImageResourceStyleImage(styleImage);
    }
    void initialize(LayoutObject*) override;
    void shutdown() override;

    bool hasImage() const override { return true; }
    PassRefPtr<Image> image(const IntSize&, float) const override;
    bool errorOccurred() const override { return m_styleImage->errorOccurred(); }

    bool imageHasRelativeSize() const override { return m_styleImage->imageHasRelativeSize(); }
    LayoutSize imageSize(float multiplier) const override;
    WrappedImagePtr imagePtr() const override { return m_styleImage->data(); }

    DECLARE_VIRTUAL_TRACE();

private:
    explicit LayoutImageResourceStyleImage(StyleImage*);
    Member<StyleImage> m_styleImage;
};

} // namespace blink

#endif // LayoutImageStyleImage_h