Here you can find the source of stretchToFit(Rectangle container, Rectangle item)
public static Rectangle stretchToFit(Rectangle container, Rectangle item)
//package com.java2s; /*/*w ww.j a v a 2 s .co m*/ * Copyright (C) 2006-2014 Gabriel Burca (gburca dash virtmus at ebixio dot com) * * This program 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 2 * 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, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ import java.awt.Rectangle; public class Main { public static Rectangle stretchToFit(Rectangle container, Rectangle item) { double scale = scaleProportional(container, item); if (scale < 1) { return item; } else { return new Rectangle((int) (item.width * scale), (int) (item.height * scale)); } } public static double scaleProportional(Rectangle container, Rectangle item) { double scaleX = (double) container.width / (double) item.width; double scaleY = (double) container.height / (double) item.height; return Math.min(scaleX, scaleY); } }