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imagedecompressor.h

00001 
00002 /***************************************************************************
00003  *  imagedecompressor.h - image de-compressor interface
00004  *
00005  *  Created: Tue Nov 13 10:50:12 2007
00006  *  Copyright  2005-2007  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009 
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023 
00024 #ifndef __FIREVISION_UTILS_COMPRESSION_IMAGEDECOMPRESSOR_H_
00025 #define __FIREVISION_UTILS_COMPRESSION_IMAGEDECOMPRESSOR_H_
00026 
00027 #include <fvutils/color/colorspaces.h>
00028 #include <sys/types.h>
00029 
00030 namespace firevision {
00031 #if 0 /* just to make Emacs auto-indent happy */
00032 }
00033 #endif
00034 
00035 class ImageDecompressor {
00036  public:
00037 
00038   /* Maybe later...
00039   * Where to get the compressed image from
00040   enum DecompressionSource {
00041     COMP_SRC_FILE,      < read compressed image from file
00042     COMP_SRC_MEM        < read compressed image from buffer in memory
00043   };
00044   */
00045 
00046   virtual ~ImageDecompressor();
00047 
00048   virtual void          set_image_dimensions(unsigned int width, unsigned int height);
00049   virtual void          set_compressed_buffer(unsigned char *buf, unsigned int buf_size);
00050   virtual void          set_decompressed_buffer(unsigned char *buf, unsigned int buf_size);
00051   virtual void          decompress() = 0;
00052 
00053  protected:
00054   unsigned int    _width;
00055   unsigned int    _height;
00056   unsigned char * _compressed_buffer;
00057   unsigned char * _decompressed_buffer;
00058   unsigned int    _compressed_buffer_size;
00059   unsigned int    _decompressed_buffer_size;
00060 
00061 };
00062 
00063 } // end namespace firevision
00064 
00065 #endif
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