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-rw-r--r--webkit/api/src/WebImageCG.cpp113
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diff --git a/webkit/api/src/WebImageCG.cpp b/webkit/api/src/WebImageCG.cpp
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--- a/webkit/api/src/WebImageCG.cpp
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-/*
- * Copyright (C) 2009 Google 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:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * 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.
- * * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER OR 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 "WebImage.h"
-
-#include "Image.h"
-#include "ImageSource.h"
-#include "SharedBuffer.h"
-
-#include "WebData.h"
-#include "WebSize.h"
-
-#include <CoreGraphics/CGImage.h>
-
-#include <wtf/PassRefPtr.h>
-#include <wtf/RetainPtr.h>
-
-using namespace WebCore;
-
-namespace WebKit {
-
-WebImage WebImage::fromData(const WebData& data, const WebSize& desiredSize)
-{
- // FIXME: Do something like what WebImageSkia.cpp does to enumerate frames.
- // Not sure whether the CG decoder uses the same frame ordering rules (if so
- // we can just use the same logic).
-
- ImageSource source;
- source.setData(PassRefPtr<SharedBuffer>(data).get(), true);
- if (!source.isSizeAvailable())
- return WebImage();
-
- RetainPtr<CGImageRef> frame0(AdoptCF, source.createFrameAtIndex(0));
- if (!frame0)
- return WebImage();
-
- return WebImage(frame0.get());
-}
-
-void WebImage::reset()
-{
- CGImageRelease(m_imageRef);
- m_imageRef = 0;
-}
-
-void WebImage::assign(const WebImage& image)
-{
- assign(image.m_imageRef);
-}
-
-bool WebImage::isNull() const
-{
- return !m_imageRef;
-}
-
-WebSize WebImage::size() const
-{
- return WebSize(CGImageGetWidth(m_imageRef), CGImageGetHeight(m_imageRef));
-}
-
-WebImage::WebImage(const PassRefPtr<Image>& image)
- : m_imageRef(0)
-{
- if (image.get())
- assign(image->nativeImageForCurrentFrame());
-}
-
-WebImage& WebImage::operator=(const PassRefPtr<Image>& image)
-{
- if (image.get())
- assign(image->nativeImageForCurrentFrame());
- else
- reset();
- return *this;
-}
-
-void WebImage::assign(CGImageRef imageRef)
-{
- // Make sure to retain the imageRef first incase m_imageRef == imageRef.
- CGImageRetain(imageRef);
- CGImageRelease(m_imageRef);
- m_imageRef = imageRef;
-}
-
-} // namespace WebKit