1 /*
2 * Copyright (C) 2010 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 "WebImageDecoder.h"
33
34 #include "BMPImageDecoder.h"
35 #include "ICOImageDecoder.h"
36 #include "SharedBuffer.h"
37 #include "WebData.h"
38 #include "WebImage.h"
39 #include "WebSize.h"
40
41 #if WEBKIT_USING_SKIA
42 #include <wtf/OwnPtr.h>
43 #include <wtf/PassRefPtr.h>
44 #endif
45
46 using namespace WebCore;
47
48 namespace WebKit {
49
reset()50 void WebImageDecoder::reset()
51 {
52 delete m_private;
53 }
54
init(Type type)55 void WebImageDecoder::init(Type type)
56 {
57 switch (type) {
58 case TypeBMP:
59 m_private = new BMPImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied);
60 break;
61 case TypeICO:
62 m_private = new ICOImageDecoder(ImageSource::AlphaPremultiplied, ImageSource::GammaAndColorProfileApplied);
63 break;
64 }
65 }
66
setData(const WebData & data,bool allDataReceived)67 void WebImageDecoder::setData(const WebData& data, bool allDataReceived)
68 {
69 ASSERT(m_private);
70 m_private->setData(PassRefPtr<SharedBuffer>(data).get(), allDataReceived);
71 }
72
isFailed() const73 bool WebImageDecoder::isFailed() const
74 {
75 ASSERT(m_private);
76 return m_private->failed();
77 }
78
isSizeAvailable() const79 bool WebImageDecoder::isSizeAvailable() const
80 {
81 ASSERT(m_private);
82 return m_private->isSizeAvailable();
83 }
84
size() const85 WebSize WebImageDecoder::size() const
86 {
87 ASSERT(m_private);
88 return m_private->size();
89 }
90
frameCount() const91 size_t WebImageDecoder::frameCount() const
92 {
93 ASSERT(m_private);
94 return m_private->frameCount();
95 }
96
isFrameCompleteAtIndex(int index) const97 bool WebImageDecoder::isFrameCompleteAtIndex(int index) const
98 {
99 ASSERT(m_private);
100 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index);
101 if (!frameBuffer)
102 return false;
103 return (frameBuffer->status() == ImageFrame::FrameComplete);
104 }
105
getFrameAtIndex(int index=0) const106 WebImage WebImageDecoder::getFrameAtIndex(int index = 0) const
107 {
108 ASSERT(m_private);
109 ImageFrame* const frameBuffer = m_private->frameBufferAtIndex(index);
110 if (!frameBuffer)
111 return WebImage();
112 #if WEBKIT_USING_SKIA
113 OwnPtr<NativeImageSkia>image(frameBuffer->asNewNativeImage());
114 return WebImage(*image);
115 #elif WEBKIT_USING_CG
116 // FIXME: Implement CG side of this.
117 return WebImage(frameBuffer->asNewNativeImage());
118 #endif
119 }
120
121 } // namespace WebKit
122