1 /*M/////////////////////////////////////////////////////////////////////////////////////// 2 // 3 // IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. 4 // 5 // By downloading, copying, installing or using the software you agree to this license. 6 // If you do not agree to this license, do not download, install, 7 // copy or use the software. 8 // 9 // 10 // License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000-2008, Intel Corporation, all rights reserved. 14 // Copyright (C) 2009, Willow Garage Inc., all rights reserved. 15 // Third party copyrights are property of their respective owners. 16 // 17 // Redistribution and use in source and binary forms, with or without modification, 18 // are permitted provided that the following conditions are met: 19 // 20 // * Redistribution's of source code must retain the above copyright notice, 21 // this list of conditions and the following disclaimer. 22 // 23 // * Redistribution's in binary form must reproduce the above copyright notice, 24 // this list of conditions and the following disclaimer in the documentation 25 // and/or other materials provided with the distribution. 26 // 27 // * The name of the copyright holders may not be used to endorse or promote products 28 // derived from this software without specific prior written permission. 29 // 30 // This software is provided by the copyright holders and contributors "as is" and 31 // any express or implied warranties, including, but not limited to, the implied 32 // warranties of merchantability and fitness for a particular purpose are disclaimed. 33 // In no event shall the Intel Corporation or contributors be liable for any direct, 34 // indirect, incidental, special, exemplary, or consequential damages 35 // (including, but not limited to, procurement of substitute goods or services; 36 // loss of use, data, or profits; or business interruption) however caused 37 // and on any theory of liability, whether in contract, strict liability, 38 // or tort (including negligence or otherwise) arising in any way out of 39 // the use of this software, even if advised of the possibility of such damage. 40 // 41 //M*/ 42 43 #ifndef _GRFMT_JPEG_H_ 44 #define _GRFMT_JPEG_H_ 45 46 #include "grfmt_base.hpp" 47 #include "bitstrm.hpp" 48 49 #ifdef HAVE_JPEG 50 51 // IJG-based Jpeg codec 52 53 namespace cv 54 { 55 56 class JpegDecoder : public BaseImageDecoder 57 { 58 public: 59 60 JpegDecoder(); 61 virtual ~JpegDecoder(); 62 63 bool readData( Mat& img ); 64 bool readHeader(); 65 void close(); 66 67 ImageDecoder newDecoder() const; 68 69 protected: 70 71 FILE* m_f; 72 void* m_state; 73 }; 74 75 76 class JpegEncoder : public BaseImageEncoder 77 { 78 public: 79 JpegEncoder(); 80 virtual ~JpegEncoder(); 81 82 bool write( const Mat& img, const std::vector<int>& params ); 83 ImageEncoder newEncoder() const; 84 }; 85 86 } 87 88 #endif 89 90 #endif/*_GRFMT_JPEG_H_*/ 91