Here you can find the source of blurImage(BufferedImage img, BufferedImage dest)
public static BufferedImage blurImage(BufferedImage img, BufferedImage dest)
//package com.java2s; /*// w w w. ja va2 s .com * Copyright appNativa Inc. All Rights Reserved. * * This file is part of the Real-time Application Rendering Engine (RARE). * * RARE is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ import java.awt.image.BufferedImage; import java.awt.image.ConvolveOp; import java.awt.image.Kernel; public class Main { public static BufferedImage blurImage(BufferedImage img, BufferedImage dest) { Kernel kernel = new Kernel(3, 3, new float[] { 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f, 1f / 9f }); ConvolveOp cop = new ConvolveOp(kernel); return cop.filter(img, dest); } }