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 namespace firevision { 00028 #if 0 /* just to make Emacs auto-indent happy */ 00029 } 00030 #endif 00031 00032 class Scaler { 00033 00034 public: 00035 virtual ~Scaler(); 00036 00037 virtual void set_scale_factor(float factor) = 0; 00038 virtual void set_original_dimensions(unsigned int width, 00039 unsigned int height) = 0; 00040 virtual void set_scaled_dimensions(unsigned int width, 00041 unsigned int height) = 0; 00042 virtual void set_original_buffer(unsigned char *buffer) = 0; 00043 virtual void set_scaled_buffer(unsigned char *buffer) = 0; 00044 virtual void scale() = 0; 00045 virtual unsigned int needed_scaled_width() = 0; 00046 virtual unsigned int needed_scaled_height() = 0; 00047 virtual float get_scale_factor() = 0; 00048 00049 }; 00050 00051 } // end namespace firevision 00052 00053 #endif