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celeste/PGMImage.h

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00001 /* Import from Gabor API
00002 
00003 Copyright (c) 2002-3 Adriaan Tijsseling
00004 
00005 
00006                              All Rights Reserved
00007 
00008     This program is free software; you can redistribute it and/or modify
00009     it under the terms of the GNU General Public License as published by
00010     the Free Software Foundation; either version 2 of the License, or
00011     (at your option) any later version.
00012 
00013     This program is distributed in the hope that it will be useful,
00014     but WITHOUT ANY WARRANTY; without even the implied warranty of
00015     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016     GNU General Public License for more details.
00017 
00018     You should have received a copy of the GNU General Public License
00019     along with this program. If not, see <http://www.gnu.org/licenses/>.
00020 */
00021 
00022 /*
00023         Description:            class for reading and storing pgm images
00024         Author:                         Adriaan Tijsseling ( AGT )
00025         Copyright:                      ( c ) Copyright 2002-3 Adriaan Tijsseling. All rights reserved.
00026 */
00027 
00028 #ifndef __PGM_IMAGE_CLASS__
00029 #define __PGM_IMAGE_CLASS__
00030 
00031 #include "ImageFile.h"
00032 #include <cstring>
00033 
00034 class PGMImage : public ImageFile
00035 {
00036 public:
00037 
00038         PGMImage(){};
00039         PGMImage( char* file ) { Read( file ); }
00040         virtual ~PGMImage(){};
00041 
00042         // Read a PGM image from a file
00043         int     Read( char* );
00044 
00045         // Write a PGM image in a file
00046         void    Write( char* );
00047         void    Write( char*, float**, int, int );
00048         void    Write( char*, float***, int, int );
00049         void    Write( char*, float**, int, int, int );
00050         void    WriteScaled( char* filename, float** output, int height, int width );
00051 
00052 private:
00053         char    mMagicNumber[2];
00054         int     mNumPixels;             // Total number of pixels (mHeight x mWidth)
00055         int             mNumLevels;
00056         int             mNumBits;
00057 };
00058 
00059 #endif // __PGM_IMAGE_CLASS__

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