Here you can find the source of grow(Rectangle2D.Float r, int size)
public static Rectangle2D.Float grow(Rectangle2D.Float r, int size)
//package com.java2s; /*//ww w .ja v a 2 s . co m * Copyright 2003-2010 Tufts University Licensed under the * Educational Community License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. You may * obtain a copy of the License at * * http://www.osedu.org/licenses/ECL-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an "AS IS" * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing * permissions and limitations under the License. */ import java.awt.geom.Rectangle2D; public class Main { public static Rectangle2D.Float grow(Rectangle2D.Float r, int size) { r.x -= size; r.y -= size; r.width += size * 2; r.height += size * 2; return r; } public static Rectangle2D.Float grow(Rectangle2D.Float r, float size) { r.x -= size; r.y -= size; r.width += size * 2; r.height += size * 2; return r; } }