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 class ImageDecompressor {
00031  public:
00032
00033   /* Maybe later...
00034   * Where to get the compressed image from
00035   enum DecompressionSource {
00036     COMP_SRC_FILE,      < read compressed image from file
00037     COMP_SRC_MEM        < read compressed image from buffer in memory
00038   };
00039   */
00040
00041   virtual ~ImageDecompressor();
00042
00043   virtual void          set_image_dimensions(unsigned int width, unsigned int height);
00044   virtual void          set_compressed_buffer(unsigned char *buf, unsigned int buf_size);
00045   virtual void          set_decompressed_buffer(unsigned char *buf, unsigned int buf_size);
00046   virtual void          decompress() = 0;
00047
00048  protected:
00049   unsigned int    _width;
00050   unsigned int    _height;
00051   unsigned char * _compressed_buffer;
00052   unsigned char * _decompressed_buffer;
00053   unsigned int    _compressed_buffer_size;
00054   unsigned int    _decompressed_buffer_size;
00055
00056 };
00057
00058
00059 #endif