1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 import java.awt.*; 25 import java.awt.image.*; 26 import javax.swing.*; 27 28 /** 29 * @test 30 * @bug 8056009 31 * @summary tests whether Graphics.setColor-calls with Color.white are ignored directly 32 * after pipeline initialization for a certain set of operations. 33 * @author ceisserer 34 */ 35 public class WhiteTextColorTest extends Frame { 36 public static volatile boolean success = false; 37 38 public WhiteTextColorTest() { 39 Image dstImg = getGraphicsConfiguration() 40 .createCompatibleVolatileImage(30, 20); 41 Graphics g = dstImg.getGraphics(); 42 43 g.setColor(Color.BLACK); 44 g.fillRect(0, 0, dstImg.getWidth(null), dstImg.getHeight(null)); 45 g.setColor(Color.WHITE); 46 g.drawString("Test", 0, 15); 47 48 BufferedImage readBackImg = new BufferedImage(dstImg.getWidth(null), 49 dstImg.getHeight(null), BufferedImage.TYPE_INT_RGB); 50 readBackImg.getGraphics().drawImage(dstImg, 0, 0, null); 51 52 for (int x = 0; x < readBackImg.getWidth(); x++) { 53 for (int y = 0; y < readBackImg.getHeight(); y++) { 54 int pixel = readBackImg.getRGB(x, y); 55 56 // In case a single white pixel is found, the 57 // setColor(Color.WHITE) 58 // call before was not ignored and the bug is not present 59 if (pixel == 0xFFFFFFFF) { 60 return; 61 } 62 } 63 } 64 65 throw new RuntimeException("Test Failed"); 66 } 67 68 public static void main(String[] args) throws Exception { 69 SwingUtilities.invokeLater(new Runnable() { 70 public void run() { 71 new WhiteTextColorTest(); 72 } 73 }); 74 } 75 } 76