1 /*

     2  * Copyright (c) 2013, 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 * @bug     8024343

    27 * @summary Test verifies that accelerated pipelines

    28 *          correctly draws primitives in XOR mode.

    29 * @run main/othervm -Dsun.java2d.xrender=True AcceleratedXORModeTest

    30 */

    31 

    32 import java.awt.Color;

    33 import java.awt.Graphics2D;

    34 import java.awt.GraphicsConfiguration;

    35 import java.awt.GraphicsEnvironment;

    36 import java.awt.image.BufferedImage;

    37 import java.awt.image.VolatileImage;

    38 import java.io.File;

    39 import java.io.IOException;

    40 import javax.imageio.ImageIO;

    41 

    42 public class AcceleratedXORModeTest {

    43     public static void main(String argv[]) {

    44         String fileName = argv.length > 0 ? argv[0] : null;

    45         new AcceleratedXORModeTest(fileName).test();

    46     }

    47 

    48     static final Color backColor = Color.red;

    49     static final Color color1 = Color.green;

    50     static final Color color2 = Color.yellow;

    51     static final Color xorColor1 = Color.blue;

    52     static final Color xorColor2 = Color.white;

    53 

    54     static final int width = 700, height = 300;

    55 

    56     VolatileImage vImg = null;

    57     String fileName;

    58 

    59     public AcceleratedXORModeTest(String fileName) {

    60         this.fileName = fileName;

    61     }

    62 

    63     void draw(Graphics2D g) {

    64         g.setColor(backColor);

    65         g.fillRect(0, 0, width, height);

    66         g.setXORMode(xorColor1);

    67         drawPattern(g, 100);

    68         g.setXORMode(xorColor2);

    69         drawPattern(g, 400);

    70         g.dispose();

    71     }

    72 

    73     void test(BufferedImage bi) {

    74         comparePattern(bi, 150, xorColor1.getRGB());

    75         comparePattern(bi, 450, xorColor2.getRGB());

    76     }

    77 

    78     void comparePattern(BufferedImage bi, int startX, int xorColor) {

    79         int[] expectedColors = {

    80             backColor.getRGB() ^ color1.getRGB() ^ xorColor,

    81             backColor.getRGB() ^ color1.getRGB() ^ xorColor ^

    82                 color2.getRGB() ^ xorColor,

    83             backColor.getRGB() ^ color2.getRGB() ^ xorColor

    84         };

    85         for (int i = 0; i < 3; i++) {

    86             int x = startX + 100 * i;

    87             int rgb = bi.getRGB(x, 150);

    88             if (rgb != expectedColors[i]) {

    89                 String msg = "Colors mismatch: x = " + x +

    90                         ", got " + new Color(rgb) + ", expected " +

    91                         new Color(expectedColors[i]);

    92                 System.err.println(msg);

    93                 write(bi);

    94                 throw new RuntimeException("FAILED: " + msg);

    95             }

    96         }

    97     }

    98 

    99     void drawPattern(Graphics2D g, int x) {

   100         g.setColor(color1);

   101         g.fillRect(x, 0, 200, 300);

   102         g.setColor(color2);

   103         g.fillRect(x+100, 0, 200, 300);

   104     }

   105 

   106     GraphicsConfiguration getDefaultGC() {

   107         return GraphicsEnvironment.getLocalGraphicsEnvironment().

   108                 getDefaultScreenDevice().getDefaultConfiguration();

   109     }

   110 

   111     void createVImg() {

   112         if (vImg != null) {

   113             vImg.flush();

   114             vImg = null;

   115         }

   116         vImg = getDefaultGC().createCompatibleVolatileImage(width, height);

   117     }

   118 

   119     void write(BufferedImage bi) {

   120         if (fileName != null) {

   121             try {

   122                 ImageIO.write(bi, "png", new File(fileName));

   123             } catch (IOException e) {

   124                 System.err.println("Can't write image file " + fileName);

   125             }

   126         }

   127     }

   128 

   129     void test() {

   130         createVImg();

   131         do {

   132             int valCode = vImg.validate(getDefaultGC());

   133             if (valCode == VolatileImage.IMAGE_INCOMPATIBLE) {

   134                 createVImg();

   135             }

   136             Graphics2D g = vImg.createGraphics();

   137             draw(g);

   138             BufferedImage bi = vImg.getSnapshot();

   139             test(bi);

   140             write(bi);

   141         } while (vImg.contentsLost());

   142     }

   143 }