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/*
* Copyright (C) 2011 Research In Motion Limited. All rights reserved.
* Copyright (C) 2013-2023 Apple Inc. All rights reserved.
*
* 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.
*/
#include "config.h"
#include "SVGImageCache.h"
#include "GraphicsContext.h"
#include "ImageBuffer.h"
#include "LayoutSize.h"
#include "LegacyRenderSVGRoot.h"
#include "LocalFrameView.h"
#include "SVGImage.h"
#include "SVGImageForContainer.h"
namespace WebCore {
SVGImageCache::SVGImageCache(SVGImage* svgImage)
: m_svgImage(svgImage)
{
ASSERT(m_svgImage);
}
SVGImageCache::~SVGImageCache()
{
m_imageForContainerMap.clear();
}
void SVGImageCache::removeClientFromCache(const CachedImageClient* client)
{
ASSERT(client);
m_imageForContainerMap.remove(client);
}
void SVGImageCache::setContainerContextForClient(const CachedImageClient& client, const LayoutSize& containerSize, float containerZoom, const URL& imageURL)
{
ASSERT(!containerSize.isEmpty());
ASSERT(containerZoom);
// SVG container has width or height less than 1 pixel.
if (flooredIntSize(containerSize).isEmpty())
return;
FloatSize containerSizeWithoutZoom(containerSize);
containerSizeWithoutZoom.scale(1 / containerZoom);
m_imageForContainerMap.set(&client, SVGImageForContainer::create(m_svgImage, containerSizeWithoutZoom, containerZoom, imageURL));
}
Image* SVGImageCache::findImageForRenderer(const RenderObject* renderer) const
{
return renderer ? m_imageForContainerMap.get(renderer) : nullptr;
}
FloatSize SVGImageCache::imageSizeForRenderer(const RenderObject* renderer) const
{
auto* image = findImageForRenderer(renderer);
return image ? image->size() : m_svgImage->size();
}
// FIXME: This doesn't take into account the animation timeline so animations will not
// restart on page load, nor will two animations in different pages have different timelines.
Image* SVGImageCache::imageForRenderer(const RenderObject* renderer) const
{
auto* image = findImageForRenderer(renderer);
if (!image)
return &Image::nullImage();
ASSERT(!image->size().isEmpty());
return image;
}
} // namespace WebCore
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