114 lines
3.6 KiB
C++
114 lines
3.6 KiB
C++
/*
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* Copyright (C) 1999 Lars Knoll <knoll@kde.org>
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* Copyright (C) 1999 Antti Koivisto <koivisto@kde.org>
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* Copyright (C) 2000 Dirk Mueller <mueller@kde.org>
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* Copyright (C) 2006 Allan Sandfeld Jensen <kde@carewolf.com>
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* Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
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* Copyright (C) 2003-2021 Apple Inc. All rights reserved.
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* Copyright (C) 2010 Google Inc. All rights reserved.
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* Copyright (C) 2010 Patrick Gansterer <paroga@paroga.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#include "config.h"
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#include "RenderImageResource.h"
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#include "CachedImage.h"
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#include "Image.h"
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#include "RenderElement.h"
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#include "RenderImage.h"
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#include "RenderImageResourceStyleImage.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(RenderImageResource);
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RenderImageResource::RenderImageResource() = default;
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void RenderImageResource::initialize(RenderElement& renderer, CachedImage* styleCachedImage)
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{
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ASSERT(!m_renderer);
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ASSERT(!m_cachedImage);
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m_renderer = makeWeakPtr(renderer);
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m_cachedImage = styleCachedImage;
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m_cachedImageRemoveClientIsNeeded = !styleCachedImage;
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}
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void RenderImageResource::shutdown()
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{
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image()->stopAnimation();
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setCachedImage(nullptr);
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}
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void RenderImageResource::setCachedImage(CachedImage* newImage)
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{
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if (m_cachedImage == newImage)
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return;
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if (m_cachedImage && m_renderer && m_cachedImageRemoveClientIsNeeded)
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m_cachedImage->removeClient(*m_renderer);
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m_cachedImage = newImage;
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m_cachedImageRemoveClientIsNeeded = true;
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if (!m_cachedImage)
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return;
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m_cachedImage->addClient(*renderer());
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if (m_cachedImage->errorOccurred())
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renderer()->imageChanged(m_cachedImage.get());
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}
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void RenderImageResource::resetAnimation()
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{
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if (!m_cachedImage)
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return;
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image()->resetAnimation();
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if (m_renderer && !m_renderer->needsLayout())
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m_renderer->repaint();
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}
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RefPtr<Image> RenderImageResource::image(const IntSize&) const
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{
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if (!m_cachedImage)
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return &Image::nullImage();
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if (auto image = m_cachedImage->imageForRenderer(m_renderer.get()))
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return image;
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return &Image::nullImage();
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}
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void RenderImageResource::setContainerContext(const IntSize& imageContainerSize, const URL& imageURL)
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{
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if (!m_cachedImage || !m_renderer)
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return;
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m_cachedImage->setContainerContextForClient(*m_renderer, imageContainerSize, m_renderer->style().effectiveZoom(), imageURL);
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}
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LayoutSize RenderImageResource::imageSize(float multiplier, CachedImage::SizeType type) const
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{
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if (!m_cachedImage)
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return LayoutSize();
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LayoutSize size = m_cachedImage->imageSizeForRenderer(m_renderer.get(), multiplier, type);
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if (is<RenderImage>(m_renderer.get()))
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size.scale(downcast<RenderImage>(*m_renderer).imageDevicePixelRatio());
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return size;
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}
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} // namespace WebCore
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