1 /*
   2  * Copyright (c) 2013, 2016, 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 /*
  25  * @test
  26  * @key headful
  27  * @bug     8024343 8042098
  28  * @summary Test verifies that accelerated pipelines
  29  *          correctly draws primitives in XOR mode.
  30  * @run main/othervm -Dsun.java2d.xrender=True AcceleratedXORModeTest
  31  */
  32 
  33 import java.awt.Color;
  34 import java.awt.Graphics2D;
  35 import java.awt.GraphicsConfiguration;
  36 import java.awt.GraphicsEnvironment;
  37 import java.awt.image.BufferedImage;
  38 import java.awt.image.VolatileImage;
  39 import java.io.File;
  40 import java.io.IOException;
  41 import javax.imageio.ImageIO;
  42 
  43 public class AcceleratedXORModeTest {
  44     public static void main(String argv[]) {
  45         String fileName = argv.length > 0 ? argv[0] : null;
  46         new AcceleratedXORModeTest(fileName).test();
  47     }
  48 
  49     static final Color backColor = Color.red;
  50     static final Color color1 = Color.green;
  51     static final Color color2 = Color.yellow;
  52     static final Color xorColor1 = Color.blue;
  53     static final Color xorColor2 = Color.white;
  54 
  55     static final int width = 700, height = 300;
  56 
  57     VolatileImage vImg = null;
  58     String fileName;
  59 
  60     public AcceleratedXORModeTest(String fileName) {
  61         this.fileName = fileName;
  62     }
  63 
  64     void draw(Graphics2D g) {
  65         g.setColor(backColor);
  66         g.fillRect(0, 0, width, height);
  67         g.setXORMode(xorColor1);
  68         drawPattern(g, 100);
  69         g.setXORMode(xorColor2);
  70         drawPattern(g, 400);
  71         g.dispose();
  72     }
  73 
  74     void test(BufferedImage bi) {
  75         comparePattern(bi, 150, xorColor1.getRGB());
  76         comparePattern(bi, 450, xorColor2.getRGB());
  77     }
  78 
  79     void comparePattern(BufferedImage bi, int startX, int xorColor) {
  80         int[] expectedColors = {
  81             backColor.getRGB() ^ color1.getRGB() ^ xorColor,
  82             backColor.getRGB() ^ color1.getRGB() ^ xorColor ^
  83                 color2.getRGB() ^ xorColor,
  84             backColor.getRGB() ^ color2.getRGB() ^ xorColor
  85         };
  86         for (int i = 0; i < 3; i++) {
  87             int x = startX + 100 * i;
  88             int rgb = bi.getRGB(x, 150);
  89             if (rgb != expectedColors[i]) {
  90                 String msg = "Colors mismatch: x = " + x +
  91                         ", got " + new Color(rgb) + ", expected " +
  92                         new Color(expectedColors[i]);
  93                 System.err.println(msg);
  94                 write(bi);
  95                 throw new RuntimeException("FAILED: " + msg);
  96             }
  97         }
  98     }
  99 
 100     void drawPattern(Graphics2D g, int x) {
 101         g.setColor(color1);
 102         g.fillRect(x, 0, 200, 300);
 103         g.setColor(color2);
 104         g.fillRect(x+100, 0, 200, 300);
 105     }
 106 
 107     GraphicsConfiguration getDefaultGC() {
 108         return GraphicsEnvironment.getLocalGraphicsEnvironment().
 109                 getDefaultScreenDevice().getDefaultConfiguration();
 110     }
 111 
 112     void createVImg() {
 113         if (vImg != null) {
 114             vImg.flush();
 115             vImg = null;
 116         }
 117         vImg = getDefaultGC().createCompatibleVolatileImage(width, height);
 118     }
 119 
 120     void write(BufferedImage bi) {
 121         if (fileName != null) {
 122             try {
 123                 ImageIO.write(bi, "png", new File(fileName));
 124             } catch (IOException e) {
 125                 System.err.println("Can't write image file " + fileName);
 126             }
 127         }
 128     }
 129 
 130     void test() {
 131         createVImg();
 132         do {
 133             int valCode = vImg.validate(getDefaultGC());
 134             if (valCode == VolatileImage.IMAGE_INCOMPATIBLE) {
 135                 createVImg();
 136             }
 137             Graphics2D g = vImg.createGraphics();
 138             draw(g);
 139             BufferedImage bi = vImg.getSnapshot();
 140             test(bi);
 141             write(bi);
 142         } while (vImg.contentsLost());
 143     }
 144 }