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_PxM_H_ 43 #define _GRFMT_PxM_H_ 44 45 #include "grfmt_base.h" 46 #include "bitstrm.h" 47 48 49 class GrFmtPxMReader : public GrFmtReader 50 { 51 public: 52 53 GrFmtPxMReader( const char* filename ); 54 ~GrFmtPxMReader(); 55 56 bool CheckFormat( const char* signature ); 57 bool ReadData( uchar* data, int step, int color ); 58 bool ReadHeader(); 59 void Close(); 60 61 protected: 62 63 RLByteStream m_strm; 64 PaletteEntry m_palette[256]; 65 int m_bpp; 66 int m_offset; 67 bool m_binary; 68 int m_maxval; 69 }; 70 71 72 class GrFmtPxMWriter : public GrFmtWriter 73 { 74 public: 75 76 GrFmtPxMWriter( const char* filename ); 77 ~GrFmtPxMWriter(); 78 79 bool IsFormatSupported( int depth ); 80 81 bool WriteImage( const uchar* data, int step, 82 int width, int height, int depth, int channels ); 83 protected: 84 85 WLByteStream m_strm; 86 }; 87 88 89 // PxM filter factory 90 class GrFmtPxM : public GrFmtFilterFactory 91 { 92 public: 93 94 GrFmtPxM(); 95 ~GrFmtPxM(); 96 97 GrFmtReader* NewReader( const char* filename ); 98 GrFmtWriter* NewWriter( const char* filename ); 99 bool CheckSignature( const char* signature ); 100 }; 101 102 103 #endif/*_GRFMT_PxM_H_*/ 104
