00001 /****************************************************************************** 00002 * __ _ _ _ _ _ _____ * 00003 * | \ / | | | | | | | | | | ___| * 00004 * | \/ | | | | | | | | | | |_ * 00005 * | | | | | | | | | | | _| * 00006 * | |\/| | | | | |__ | |__ | | | |__ * 00007 * |_| |_| |_| |____| |____| |_| |____| * 00008 * __________________________________________________________________________ * 00009 * Multifunctional Library For Image Processing * 00010 * * 00011 * * 00012 * * 00013 * (c) Copyright 2007 by Humbert Florent * 00014 * * 00015 * This program is free software; you can redistribute it and/or modify * 00016 * it under the terms of the GNU General Public License as published by * 00017 * the Free Software Foundation; only version 2 of the License. * 00018 * * 00019 * This program is distributed in the hope that it will be useful, * 00020 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00021 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00022 * GNU General Public License for more details. * 00023 * * 00024 * You should have received a copy of the GNU General Public License * 00025 * along with this program; if not, write to the Free Software * 00026 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 00027 * 02111-1307, USA. * 00028 ******************************************************************************/ 00029 00032 #include "LocalGaussianNoiseGenerator.hpp" 00033 00034 00035 namespace Millie 00036 { 00037 00038 LocalGaussianNoiseGenerator::LocalGaussianNoiseGenerator(float sigma, float mean) 00039 : _gauss(sigma, mean) 00040 {} 00041 00042 float LocalGaussianNoiseGenerator::computePoint(float color) 00043 { 00044 /*génération d'un signe aléatoire*/ 00045 int sign = rand() % 2; 00046 if(sign == 0) 00047 sign--; 00048 00049 return color + _gauss.get() * sign; 00050 } 00051 00052 LocalGaussianNoiseGenerator * LocalGaussianNoiseGenerator::clone() const 00053 { 00054 return new LocalGaussianNoiseGenerator(*this); 00055 } 00056 00057 00058 }
1.5.1