1 /*
   2  * Copyright (c) 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 import java.awt.Color;
  25 import java.awt.Graphics2D;
  26 import java.awt.Paint;
  27 import java.awt.PaintContext;
  28 import java.awt.Rectangle;
  29 import java.awt.RenderingHints;
  30 import java.awt.TexturePaint;
  31 import java.awt.geom.AffineTransform;
  32 import java.awt.geom.Ellipse2D;
  33 import java.awt.geom.Rectangle2D;
  34 import java.awt.image.BufferedImage;
  35 import java.awt.image.ColorModel;
  36 import java.awt.image.Raster;
  37 import java.io.File;
  38 import java.io.IOException;
  39 import java.util.Locale;
  40 import java.util.logging.Handler;
  41 import java.util.logging.LogRecord;
  42 import java.util.logging.Logger;
  43 import javax.imageio.ImageIO;
  44 
  45 /**
  46  * @test
  47  * @bug 8148886
  48  * @summary Verifies that Marlin supports reentrant operations (ThreadLocal)
  49  * like in custom Paint or custom Composite
  50  * @run main CrashPaintTest
  51  */
  52 public class CrashPaintTest {
  53 
  54     static final boolean SAVE_IMAGE = false;
  55 
  56     public static void main(String argv[]) {
  57         Locale.setDefault(Locale.US);
  58 
  59         // initialize j.u.l Looger:
  60         final Logger log = Logger.getLogger("sun.java2d.marlin");
  61         log.addHandler(new Handler() {
  62             @Override
  63             public void publish(LogRecord record) {
  64                 Throwable th = record.getThrown();
  65                 // detect any Throwable:
  66                 if (th != null) {
  67                     System.out.println("Test failed:\n" + record.getMessage());
  68                     th.printStackTrace(System.out);
  69 
  70                     throw new RuntimeException("Test failed: ", th);
  71                 }
  72             }
  73 
  74             @Override
  75             public void flush() {
  76             }
  77 
  78             @Override
  79             public void close() throws SecurityException {
  80             }
  81         });
  82 
  83         // enable Marlin logging & internal checks:
  84         System.setProperty("sun.java2d.renderer.log", "true");
  85         System.setProperty("sun.java2d.renderer.useLogger", "true");
  86         System.setProperty("sun.java2d.renderer.doChecks", "true");
  87 
  88         // Force using thread-local storage:
  89         System.setProperty("sun.java2d.renderer.useThreadLocal", "true");
  90         // Force smaller pixelsize to force using array caches:
  91         System.setProperty("sun.java2d.renderer.pixelsize", "256");
  92 
  93         final int width = 300;
  94         final int height = 300;
  95 
  96         final BufferedImage image = new BufferedImage(width, height,
  97                 BufferedImage.TYPE_INT_ARGB);
  98 
  99         final Graphics2D g2d = (Graphics2D) image.getGraphics();
 100         try {
 101             g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 102                     RenderingHints.VALUE_ANTIALIAS_ON);
 103 
 104             g2d.setBackground(Color.WHITE);
 105             g2d.clearRect(0, 0, width, height);
 106 
 107             final Ellipse2D.Double ellipse
 108                 = new Ellipse2D.Double(0, 0, width, height);
 109 
 110             final Paint paint = new CustomPaint(100);
 111 
 112             for (int i = 0; i < 20; i++) {
 113                 final long start = System.nanoTime();
 114                 g2d.setPaint(paint);
 115                 g2d.fill(ellipse);
 116 
 117                 g2d.setColor(Color.GREEN);
 118                 g2d.draw(ellipse);
 119 
 120                 final long time = System.nanoTime() - start;
 121                 System.out.println("paint: duration= " + (1e-6 * time) + " ms.");
 122             }
 123 
 124             if (SAVE_IMAGE) {
 125                 try {
 126                     final File file = new File("CrashPaintTest.png");
 127                     System.out.println("Writing file: "
 128                             + file.getAbsolutePath());
 129                     ImageIO.write(image, "PNG", file);
 130                 } catch (IOException ex) {
 131                     System.out.println("Writing file failure:");
 132                     ex.printStackTrace();
 133                 }
 134             }
 135 
 136             // Check image on few pixels:
 137             final Raster raster = image.getData();
 138 
 139             // 170, 175 = blue
 140             checkPixel(raster, 170, 175, Color.BLUE.getRGB());
 141             // 50, 50 = blue
 142             checkPixel(raster, 50, 50, Color.BLUE.getRGB());
 143 
 144             // 190, 110 = pink
 145             checkPixel(raster, 190, 110, Color.PINK.getRGB());
 146             // 280, 210 = pink
 147             checkPixel(raster, 280, 210, Color.PINK.getRGB());
 148 
 149         } finally {
 150             g2d.dispose();
 151         }
 152     }
 153 
 154     private static void checkPixel(final Raster raster,
 155                                    final int x, final int y,
 156                                    final int expected) {
 157 
 158         final int[] rgb = (int[]) raster.getDataElements(x, y, null);
 159 
 160         if (rgb[0] != expected) {
 161             throw new IllegalStateException("bad pixel at (" + x + ", " + y
 162                 + ") = " + rgb[0] + " expected: " + expected);
 163         }
 164     }
 165 
 166     private static class CustomPaint extends TexturePaint {
 167         private int size;
 168 
 169         CustomPaint(final int size) {
 170             super(new BufferedImage(size, size,
 171                     BufferedImage.TYPE_INT_ARGB),
 172                     new Rectangle2D.Double(0, 0, size, size)
 173             );
 174             this.size = size;
 175         }
 176 
 177         @Override
 178         public PaintContext createContext(ColorModel cm,
 179                                           Rectangle deviceBounds,
 180                                           Rectangle2D userBounds,
 181                                           AffineTransform at,
 182                                           RenderingHints hints) {
 183 
 184             // Fill bufferedImage using
 185             final Graphics2D g2d = (Graphics2D) getImage().getGraphics();
 186             try {
 187                 g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
 188                         RenderingHints.VALUE_ANTIALIAS_ON);
 189                 g2d.setBackground(Color.PINK);
 190                 g2d.clearRect(0, 0, size, size);
 191 
 192                 g2d.setColor(Color.BLUE);
 193                 g2d.drawRect(0, 0, size, size);
 194 
 195                 g2d.fillOval(size / 10, size / 10,
 196                              size * 8 / 10, size * 8 / 10);
 197 
 198             } finally {
 199                 g2d.dispose();
 200             }
 201 
 202             return super.createContext(cm, deviceBounds, userBounds, at, hints);
 203         }
 204     }
 205 }