1/*
2 * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
3 * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifndef JPEGImageDecoder_h
28#define JPEGImageDecoder_h
29
30#include "ImageDecoder.h"
31#include <wtf/OwnPtr.h>
32
33namespace WebCore {
34
35class ImageReader;
36
37class JPEGImageDecoder : public ImageDecoder {
38    public:
39        JPEGImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfileOption);
40
41        // ImageDecoder
42        virtual String filenameExtension() const { return "jpg"; }
43        virtual bool isSizeAvailable();
44        virtual bool supportsAlpha() const { return true; }
45        virtual ImageFrame* frameBufferAtIndex(size_t);
46
47        virtual void setData(SharedBuffer*, bool allDataReceived);
48
49    private:
50        WTF::OwnPtr<ImageReader> m_reader;
51};
52
53} // namespace WebCore
54
55#endif // JPEGImageDecoder_h
56
57