00001
00002 /***************************************************************************
00003  *  scaler.h - Scaler interface
00004  *
00005  *  Generated: Tue May 16 14:52:58 2006 (Automatica 2006)
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_FVUTILS_SCALERS_SCALER_H_
00025 #define __FIREVISION_FVUTILS_SCALERS_SCALER_H_
00026 
00027 class Scaler {
00028
00029  public:
00030   virtual ~Scaler();
00031
00032   virtual void             set_scale_factor(float factor)                         = 0;
00033   virtual void             set_original_dimensions(unsigned int width,
00034                                                    unsigned int height)           = 0;
00035   virtual void             set_scaled_dimensions(unsigned int width,
00036                                                  unsigned int height)             = 0;
00037   virtual void             set_original_buffer(unsigned char *buffer)             = 0;
00038   virtual void             set_scaled_buffer(unsigned char *buffer)               = 0;
00039   virtual void             scale()                                                = 0;
00040   virtual unsigned int     needed_scaled_width()                                  = 0;
00041   virtual unsigned int     needed_scaled_height()                                 = 0;
00042   virtual float            get_scale_factor()                                     = 0;
00043
00044 };
00045
00046 #endif