Here you can find the source of drawTransparent(Graphics g, int x, int y, int width, int height)
public static void drawTransparent(Graphics g, int x, int y, int width, int height)
//package com.java2s; /*/*from ww w . ja v a 2 s .c o m*/ * Copyright (C) 2013 dirbaio * * 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 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.Color; import java.awt.Graphics; import java.awt.Shape; public class Main { public static void drawTransparent(Graphics g, int x, int y, int width, int height) { Shape clip = g.getClip(); g.clipRect(x, y, width, height); int size = 8; for (int xx = 0; xx <= width / size; xx++) for (int yy = 0; yy <= height / size; yy++) { if ((xx + yy) % 2 == 0) g.setColor(Color.LIGHT_GRAY); else g.setColor(Color.GRAY); g.fillRect(x + xx * size, y + yy * size, size, size); } g.setClip(clip); } }