Fawkes API  Fawkes Development Version
imagecompressor.h
00001 
00002 /***************************************************************************
00003  *  imagecompressor.h - image compressor interface
00004  *
00005  *  Generated: Fri Aug 11 18:53:19 2006 (on train to Cologne)
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_IMAGE_COMPRESSOR_H_
00025 #define __FIREVISION_UTILS_COMPRESSION_IMAGE_COMPRESSOR_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 ImageCompressor {
00036  public:
00037 
00038   /** Where to put the compressed image */
00039   enum CompressionDestination {
00040     COMP_DEST_FILE,     /**< write compressed image to file */
00041     COMP_DEST_MEM       /**< write compressed image to buffer in memory */
00042   };
00043 
00044   virtual ~ImageCompressor();
00045 
00046   virtual void          set_image_dimensions(unsigned int width, unsigned int height)     = 0;
00047   virtual void          set_image_buffer(colorspace_t cspace, unsigned char *buffer)      = 0;
00048   virtual void          set_destination_buffer(unsigned char *buf, unsigned int buf_size) = 0;
00049   virtual size_t        compressed_size()                                                 = 0;
00050   virtual void          set_filename(const char *filename)                                = 0;
00051   virtual void          set_compression_destination(CompressionDestination cd)            = 0;
00052   virtual bool          supports_compression_destination(CompressionDestination cd)       = 0;
00053   virtual size_t        recommended_compressed_buffer_size()                              = 0;
00054   virtual void          compress()                                                        = 0;
00055 
00056 };
00057 
00058 } // end namespace firevision
00059 
00060 #endif