/*
* Copyright (c) 2016, 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.Color;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.PaintContext;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.TexturePaint;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.Raster;
import java.io.File;
import java.io.IOException;
import java.util.Locale;
import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
/**
* @test
* @bug 8148886
* @summary Verifies that Marlin supports reentrant operations (ThreadLocal)
* like in custom Paint or custom Composite
* @run main CrashPaintTest
*/
public class CrashPaintTest {
static final boolean SAVE_IMAGE = false;
public static void main(String argv[]) {
Locale.setDefault(Locale.US);
// initialize j.u.l Looger:
final Logger log = Logger.getLogger("sun.java2d.marlin");
log.addHandler(new Handler() {
@Override
public void publish(LogRecord record) {
Throwable th = record.getThrown();
// detect any Throwable:
if (th != null) {
System.out.println("Test failed:\n" + record.getMessage());
th.printStackTrace(System.out);
throw new RuntimeException("Test failed: ", th);
}
}
@Override
public void flush() {
}
@Override
public void close() throws SecurityException {
}
});
// enable Marlin logging & internal checks:
System.setProperty("sun.java2d.renderer.log", "true");
System.setProperty("sun.java2d.renderer.useLogger", "true");
System.setProperty("sun.java2d.renderer.doChecks", "true");
// Force using thread-local storage:
System.setProperty("sun.java2d.renderer.useThreadLocal", "true");
// Force smaller pixelsize to force using array caches:
System.setProperty("sun.java2d.renderer.pixelsize", "256");
final int width = 300;
final int height = 300;
final BufferedImage image = new BufferedImage(width, height,
BufferedImage.TYPE_INT_ARGB);
final Graphics2D g2d = (Graphics2D) image.getGraphics();
try {
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setBackground(Color.WHITE);
g2d.clearRect(0, 0, width, height);
final Ellipse2D.Double ellipse
= new Ellipse2D.Double(0, 0, width, height);
final Paint paint = new CustomPaint(100);
for (int i = 0; i < 20; i++) {
final long start = System.nanoTime();
g2d.setPaint(paint);
g2d.fill(ellipse);
g2d.setColor(Color.GREEN);
g2d.draw(ellipse);
final long time = System.nanoTime() - start;
System.out.println("paint: duration= " + (1e-6 * time) + " ms.");
}
if (SAVE_IMAGE) {
try {
final File file = new File("CrashPaintTest.png");
System.out.println("Writing file: "
+ file.getAbsolutePath());
ImageIO.write(image, "PNG", file);
} catch (IOException ex) {
System.out.println("Writing file failure:");
ex.printStackTrace();
}
}
// Check image on few pixels:
final Raster raster = image.getData();
// 170, 175 = blue
checkPixel(raster, 170, 175, Color.BLUE.getRGB());
// 50, 50 = blue
checkPixel(raster, 50, 50, Color.BLUE.getRGB());
// 190, 110 = pink
checkPixel(raster, 190, 110, Color.PINK.getRGB());
// 280, 210 = pink
checkPixel(raster, 280, 210, Color.PINK.getRGB());
} finally {
g2d.dispose();
}
}
private static void checkPixel(final Raster raster,
final int x, final int y,
final int expected) {
final int[] rgb = (int[]) raster.getDataElements(x, y, null);
if (rgb[0] != expected) {
throw new IllegalStateException("bad pixel at (" + x + ", " + y
+ ") = " + rgb[0] + " expected: " + expected);
}
}
private static class CustomPaint extends TexturePaint {
private int size;
CustomPaint(final int size) {
super(new BufferedImage(size, size,
BufferedImage.TYPE_INT_ARGB),
new Rectangle2D.Double(0, 0, size, size)
);
this.size = size;
}
@Override
public PaintContext createContext(ColorModel cm,
Rectangle deviceBounds,
Rectangle2D userBounds,
AffineTransform at,
RenderingHints hints) {
// Fill bufferedImage using
final Graphics2D g2d = (Graphics2D) getImage().getGraphics();
try {
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setBackground(Color.PINK);
g2d.clearRect(0, 0, size, size);
g2d.setColor(Color.BLUE);
g2d.drawRect(0, 0, size, size);
g2d.fillOval(size / 10, size / 10,
size * 8 / 10, size * 8 / 10);
} finally {
g2d.dispose();
}
return super.createContext(cm, deviceBounds, userBounds, at, hints);
}
}
}