/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ import java.awt.*; import java.awt.image.*; import javax.swing.*; /** * @test * @bug 8056009 * @summary tests whether Graphics.setColor-calls with Color.white are ignored directly * after pipeline initialization for a certain set of operations. * @author ceisserer */ public class WhiteTextColorTest extends Frame { public static volatile boolean success = false; public WhiteTextColorTest() { Image dstImg = getGraphicsConfiguration() .createCompatibleVolatileImage(30, 20); Graphics g = dstImg.getGraphics(); g.setColor(Color.BLACK); g.fillRect(0, 0, dstImg.getWidth(null), dstImg.getHeight(null)); g.setColor(Color.WHITE); g.drawString("Test", 0, 15); BufferedImage readBackImg = new BufferedImage(dstImg.getWidth(null), dstImg.getHeight(null), BufferedImage.TYPE_INT_RGB); readBackImg.getGraphics().drawImage(dstImg, 0, 0, null); for (int x = 0; x < readBackImg.getWidth(); x++) { for (int y = 0; y < readBackImg.getHeight(); y++) { int pixel = readBackImg.getRGB(x, y); // In case a single white pixel is found, the // setColor(Color.WHITE) // call before was not ignored and the bug is not present if (pixel == 0xFFFFFFFF) { return; } } } throw new RuntimeException("Test Failed"); } public static void main(String[] args) throws Exception { SwingUtilities.invokeLater(new Runnable() { public void run() { new WhiteTextColorTest(); } }); } }