Here you can find the source of drawDots(Graphics g, int x0, int y0, int x1, int y1, int interval)
public static void drawDots(Graphics g, int x0, int y0, int x1, int y1, int interval)
//package com.java2s; /*/*ww w . j a v a 2 s .c o 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 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); } } } }