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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "config.h" | |
| 32 #include "WebImage.h" | |
| 33 | |
| 34 #include "Image.h" | |
| 35 #include "ImageSource.h" | |
| 36 #include "SharedBuffer.h" | |
| 37 | |
| 38 #include "WebData.h" | |
| 39 #include "WebSize.h" | |
| 40 | |
| 41 #include <CoreGraphics/CGImage.h> | |
| 42 | |
| 43 #include <wtf/PassRefPtr.h> | |
| 44 #include <wtf/RetainPtr.h> | |
| 45 | |
| 46 using namespace WebCore; | |
| 47 | |
| 48 namespace WebKit { | |
| 49 | |
| 50 WebImage WebImage::fromData(const WebData& data, const WebSize& desiredSize) | |
| 51 { | |
| 52 // FIXME: Do something like what WebImageSkia.cpp does to enumerate frames. | |
| 53 // Not sure whether the CG decoder uses the same frame ordering rules (if so | |
| 54 // we can just use the same logic). | |
| 55 | |
| 56 ImageSource source; | |
| 57 source.setData(PassRefPtr<SharedBuffer>(data).get(), true); | |
| 58 if (!source.isSizeAvailable()) | |
| 59 return WebImage(); | |
| 60 | |
| 61 RetainPtr<CGImageRef> frame0(AdoptCF, source.createFrameAtIndex(0)); | |
| 62 if (!frame0) | |
| 63 return WebImage(); | |
| 64 | |
| 65 return WebImage(frame0.get()); | |
| 66 } | |
| 67 | |
| 68 void WebImage::reset() | |
| 69 { | |
| 70 CGImageRelease(m_imageRef); | |
| 71 m_imageRef = 0; | |
| 72 } | |
| 73 | |
| 74 void WebImage::assign(const WebImage& image) | |
| 75 { | |
| 76 assign(image.m_imageRef); | |
| 77 } | |
| 78 | |
| 79 bool WebImage::isNull() const | |
| 80 { | |
| 81 return !m_imageRef; | |
| 82 } | |
| 83 | |
| 84 WebSize WebImage::size() const | |
| 85 { | |
| 86 return WebSize(CGImageGetWidth(m_imageRef), CGImageGetHeight(m_imageRef)); | |
| 87 } | |
| 88 | |
| 89 WebImage::WebImage(const PassRefPtr<Image>& image) | |
| 90 : m_imageRef(0) | |
| 91 { | |
| 92 if (image.get()) | |
| 93 assign(image->nativeImageForCurrentFrame()); | |
| 94 } | |
| 95 | |
| 96 WebImage& WebImage::operator=(const PassRefPtr<Image>& image) | |
| 97 { | |
| 98 if (image.get()) | |
| 99 assign(image->nativeImageForCurrentFrame()); | |
| 100 else | |
| 101 reset(); | |
| 102 return *this; | |
| 103 } | |
| 104 | |
| 105 void WebImage::assign(CGImageRef imageRef) | |
| 106 { | |
| 107 // Make sure to retain the imageRef first incase m_imageRef == imageRef. | |
| 108 CGImageRetain(imageRef); | |
| 109 CGImageRelease(m_imageRef); | |
| 110 m_imageRef = imageRef; | |
| 111 } | |
| 112 | |
| 113 } // namespace WebKit | |
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Chromium Code Reviews
Issue 385057:
Deleted webkit/api which now lives in webkit.org (Closed)
