Fawkes API Fawkes Development Version
|
00001 00002 /*************************************************************************** 00003 * filter.h - Abstract class defining a filter 00004 * 00005 * Created: Tue May 03 19:50:02 2005 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_FILTER_H_ 00025 #define __FIREVISION_FILTER_H_ 00026 00027 #include <fvutils/base/types.h> 00028 #include <fvutils/base/roi.h> 00029 00030 namespace firevision { 00031 #if 0 /* just to make Emacs auto-indent happy */ 00032 } 00033 #endif 00034 00035 class Filter 00036 { 00037 public: 00038 Filter(const char *name, unsigned int max_num_buffers = 1); 00039 virtual ~Filter(); 00040 00041 virtual void set_src_buffer(unsigned char *buf, ROI *roi, 00042 orientation_t ori = ORI_HORIZONTAL, 00043 unsigned int buffer_num = 0); 00044 00045 virtual void set_src_buffer(unsigned char *buf, ROI *roi, 00046 unsigned int buffer_num); 00047 00048 virtual void set_dst_buffer(unsigned char *buf, ROI *roi); 00049 00050 00051 virtual void set_orientation(orientation_t ori, unsigned int buffer_num); 00052 virtual const char * name(); 00053 00054 virtual void apply() = 0 ; 00055 00056 void shrink_region(ROI *r, unsigned int n); 00057 00058 protected: 00059 /** Maximum number of buffers */ 00060 unsigned int _max_num_buffers; 00061 /** Filter name */ 00062 char *_name; 00063 00064 /** Source buffers, dynamically allocated by Filter ctor. */ 00065 unsigned char **src; 00066 /** Destination buffer */ 00067 unsigned char *dst; 00068 00069 /** Source ROIs, dynamically allocated by Filter ctor. */ 00070 ROI **src_roi; 00071 /** Destination ROI */ 00072 ROI *dst_roi; 00073 00074 /** Orientations, one for each source image */ 00075 orientation_t *ori; 00076 }; 00077 00078 } // end namespace firevision 00079 00080 #endif