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 60class GrFmtJpeg2000Reader : public GrFmtReader 61{ 62public: 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 72protected: 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 83class GrFmtJpeg2000Writer : public GrFmtWriter 84{ 85public: 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 ); 93protected: 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 102class GrFmtJpeg2000 : public GrFmtFilterFactory 103{ 104public: 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