Here you can find the source of drawDottedRect(Graphics g, int x, int y, int w, int h)
public static void drawDottedRect(Graphics g, int x, int y, int w, int h)
//package com.java2s; /*//from w w w . j a v a2 s.co m This file belongs to the Servoy development and deployment environment, Copyright (C) 1997-2010 Servoy BV This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, see http://www.gnu.org/licenses or write to the Free Software Foundation,Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 */ import java.awt.Graphics; public class Main { public static void drawDottedRect(Graphics g, int x, int y, int w, int h) { drawDotLine(g, x, y, x + w, y); drawDotLine(g, x + w, y, x + w, y + h); drawDotLine(g, x, y + h, x + w, y + h); drawDotLine(g, x, y, x, y + h); } public static void drawDotLine(Graphics g, int x0, int y0, int x1, int y1) { drawDots(g, x0, y0, x1, y1, 2); } public static void drawDots(Graphics g, int x0, int y0, int x1, int y1, int interval) { if (y0 == y1) { for (int i = x0; i < x1; i += interval) { g.drawLine(i, y0, i, y1); } } else { for (int i = y0; i < y1; i += interval) { g.drawLine(x0, i, x1, i); } } } }