00001 00006 00007 // This software is distributed as part of the Improla library. 00008 // Improla is a library of classes for image processing. 00009 // 00010 // Copyright (c) 2004, B. R. Siva Chandra, India 00011 // 00012 // This program is free software; you can redistribute it and/or 00013 // modify it under the terms of the GNU General Public License 00014 // as published by the Free Software Foundation; either version 2 00015 // of the License, or (at your option) any later version. 00016 // 00017 // This program is distributed in the hope that it will be useful, 00018 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00019 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00020 // GNU General Public License for more details. 00021 // 00022 // You should have received a copy of the GNU General Public License 00023 // along with this program; if not, write to the Free Software 00024 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00025 // 00026 // In case you would like to contact the author, use the following e-mail 00027 // address: sivachandra_br@yahoo.com 00029 00031 // First Created : 27th September 2004 00032 // Author : Siva Chandra 00033 // Purpose : Declares a class which performs a Robert's gradient 00034 // operation on a gray-scale image. 00036 00037 #ifndef __ROBERT_GRADIENT_H__ 00038 #define __ROBERT_GRADIENT_H__ 00039 00040 #include <gradient.h> 00041 00042 namespace iptk 00043 { // Start of namespace brace. 00044 00058 class RobertGradient : public iptk::Gradient 00059 { 00060 public: 00064 RobertGradient(void); 00065 00068 RobertGradient(const Image &im); 00069 00073 RobertGradient(const RobertGradient &rg); 00074 00078 virtual void process(void); 00079 00083 virtual iptk::Image getResult(void); 00084 00088 iptk::Image getHorizontalGradient(void); 00089 00093 iptk::Image getVerticalGradient(void); 00094 00095 private: 00096 iptk::Image result; 00097 iptk::Image resultx; 00098 iptk::Image resulty; 00099 }; 00100 00101 } // End of namespace brace. 00102 00103 #endif // __ROBERT_GRADIENT_H__ 00104