Fawkes API
Fawkes Development Version
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00001 /*************************************************************************** 00002 * gradient.h - Class defining a gradient (color) classifier 00003 * 00004 * Created: Tue Jun 10 11:48:00 2008 00005 * Copyright 2008 Christof Rath <christof.rath@gmail.com> 00006 * 00007 ****************************************************************************/ 00008 00009 /* This program is free software; you can redistribute it and/or modify 00010 * it under the terms of the GNU General Public License as published by 00011 * the Free Software Foundation; either version 2 of the License, or 00012 * (at your option) any later version. A runtime exception applies to 00013 * this software (see LICENSE.GPL_WRE file mentioned below for details). 00014 * 00015 * This program is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 * GNU Library General Public License for more details. 00019 * 00020 * Read the full text in the LICENSE.GPL_WRE file in the doc directory. 00021 */ 00022 00023 #ifndef __FIREVISION_CLASSIFIERS_GRADIENT_H_ 00024 #define __FIREVISION_CLASSIFIERS_GRADIENT_H_ 00025 00026 #include <classifiers/classifier.h> 00027 #include <classifiers/qualifiers.h> 00028 00029 #include <models/scanlines/grid.h> 00030 00031 namespace firevision { 00032 #if 0 /* just to make Emacs auto-indent happy */ 00033 } 00034 #endif 00035 00036 class GradientClassifier: public Classifier 00037 { 00038 public: 00039 GradientClassifier(std::list<ScanlineGrid* >* scanlines, Qualifier* q, 00040 unsigned int threshold, unsigned int max_size = 0, 00041 bool use_rising_flank = true, 00042 bool use_falling_flank = true); 00043 virtual ~GradientClassifier(); 00044 00045 virtual std::list< ROI > * classify(); 00046 virtual void set_src_buffer(unsigned char *yuv422_planar, 00047 unsigned int width, unsigned int height); 00048 00049 virtual void set_threshold(unsigned int threshold, unsigned int max_size = 0); 00050 virtual void set_edges(bool use_rising_edge, bool use_falling_edge); 00051 00052 private: 00053 int _last_val; 00054 fawkes::point_t _last_pos; 00055 00056 unsigned int _threshold; 00057 unsigned int _max_size; 00058 00059 std::list<ScanlineGrid* >* _scanlines; 00060 Qualifier* _q; 00061 00062 bool _use_falling_edge; 00063 bool _use_rising_edge; 00064 }; 00065 00066 } // end namespace firevision 00067 00068 #endif // __FIREVISION_CLASSIFIERS_GRADIENT_H_