1 /* 2 * Copyright (C) 2006 Friedemann Kleint <fkleint@trolltech.com> 3 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 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 ImageDecoderQt_h 28 #define ImageDecoderQt_h 29 30 #include "ImageDecoder.h" 31 #include <QtGui/QImageReader> 32 #include <QtGui/QPixmap> 33 #include <QtCore/QList> 34 #include <QtCore/QHash> 35 #include <QtCore/QBuffer> 36 #include <wtf/OwnPtr.h> 37 38 namespace WebCore { 39 40 41 class ImageDecoderQt : public ImageDecoder 42 { 43 public: 44 ImageDecoderQt(ImageSource::AlphaOption, ImageSource::GammaAndColorProfileOption); 45 ~ImageDecoderQt(); 46 47 virtual void setData(SharedBuffer* data, bool allDataReceived); 48 virtual bool isSizeAvailable(); 49 virtual size_t frameCount(); 50 virtual int repetitionCount() const; 51 virtual ImageFrame* frameBufferAtIndex(size_t index); 52 53 virtual String filenameExtension() const; 54 55 virtual void clearFrameBufferCache(size_t clearBeforeFrame); 56 57 private: 58 ImageDecoderQt(const ImageDecoderQt&); 59 ImageDecoderQt &operator=(const ImageDecoderQt&); 60 61 private: 62 void internalDecodeSize(); 63 void internalReadImage(size_t); 64 bool internalHandleCurrentImage(size_t); 65 void forceLoadEverything(); 66 void clearPointers(); 67 68 private: 69 QByteArray m_format; 70 OwnPtr<QBuffer> m_buffer; 71 OwnPtr<QImageReader> m_reader; 72 mutable int m_repetitionCount; 73 }; 74 75 76 77 } 78 79 #endif 80 81