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 // Intel License Agreement 11 // For Open Source Computer Vision Library 12 // 13 // Copyright (C) 2000, Intel Corporation, all rights reserved. 14 // Third party copyrights are property of their respective owners. 15 // 16 // Redistribution and use in source and binary forms, with or without modification, 17 // are permitted provided that the following conditions are met: 18 // 19 // * Redistribution's of source code must retain the above copyright notice, 20 // this list of conditions and the following disclaimer. 21 // 22 // * Redistribution's in binary form must reproduce the above copyright notice, 23 // this list of conditions and the following disclaimer in the documentation 24 // and/or other materials provided with the distribution. 25 // 26 // * The name of Intel Corporation may not be used to endorse or promote products 27 // derived from this software without specific prior written permission. 28 // 29 // This software is provided by the copyright holders and contributors "as is" and 30 // any express or implied warranties, including, but not limited to, the implied 31 // warranties of merchantability and fitness for a particular purpose are disclaimed. 32 // In no event shall the Intel Corporation or contributors be liable for any direct, 33 // indirect, incidental, special, exemplary, or consequential damages 34 // (including, but not limited to, procurement of substitute goods or services; 35 // loss of use, data, or profits; or business interruption) however caused 36 // and on any theory of liability, whether in contract, strict liability, 37 // or tort (including negligence or otherwise) arising in any way out of 38 // the use of this software, even if advised of the possibility of such damage. 39 // 40 //M*/ 41 42 #ifndef _GRFMT_JASPER_H_ 43 #define _GRFMT_JASPER_H_ 44 45 #ifdef HAVE_JASPER 46 47 #ifdef WIN32 48 #define JAS_WIN_MSVC_BUILD 1 49 #endif 50 51 #include <jasper/jasper.h> 52 // FIXME bad hack 53 #undef uchar 54 #undef ulong 55 #include "grfmt_base.h" 56 57 58 /* libpng version only */ 59 60 class GrFmtJpeg2000Reader : public GrFmtReader 61 { 62 public: 63 64 GrFmtJpeg2000Reader( const char* filename ); 65 ~GrFmtJpeg2000Reader(); 66 67 bool CheckFormat( const char* signature ); 68 bool ReadData( uchar* data, int step, int color ); 69 bool ReadHeader(); 70 void Close(); 71 72 protected: 73 bool ReadComponent8u( uchar *data, jas_matrix_t *buffer, int step, int cmpt, 74 int maxval, int offset, int ncmpts ); 75 bool ReadComponent16u( unsigned short *data, jas_matrix_t *buffer, int step, int cmpt, 76 int maxval, int offset, int ncmpts ); 77 78 jas_stream_t *m_stream; 79 jas_image_t *m_image; 80 }; 81 82 83 class GrFmtJpeg2000Writer : public GrFmtWriter 84 { 85 public: 86 87 GrFmtJpeg2000Writer( const char* filename ); 88 ~GrFmtJpeg2000Writer(); 89 90 bool IsFormatSupported( int depth ); 91 bool WriteImage( const uchar* data, int step, 92 int width, int height, int depth, int channels ); 93 protected: 94 bool WriteComponent8u( jas_image_t *img, const uchar *data, 95 int step, int ncmpts, int w, int h ); 96 bool WriteComponent16u( jas_image_t *img, const unsigned short *data, 97 int step, int ncmpts, int w, int h ); 98 }; 99 100 101 // PNG filter factory 102 class GrFmtJpeg2000 : public GrFmtFilterFactory 103 { 104 public: 105 106 GrFmtJpeg2000(); 107 ~GrFmtJpeg2000(); 108 109 GrFmtReader* NewReader( const char* filename ); 110 GrFmtWriter* NewWriter( const char* filename ); 111 }; 112 113 #endif 114 115 #endif/*_GRFMT_JASPER_H_*/ 116
