jdk/test/sun/java2d/DirectX/RenderingToCachedGraphicsTest/RenderingToCachedGraphicsTest.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/java2d/DirectX/RenderingToCachedGraphicsTest/RenderingToCachedGraphicsTest.java Fri Jul 18 10:48:44 2008 -0700
@@ -0,0 +1,174 @@
+/*
+ * Copyright 2007-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6648018 6652662
+ * @summary Verifies that rendering to a cached onscreen Graphics works
+ * @author Dmitri.Trembovetski@sun.com: area=Graphics
+ * @run main/othervm RenderingToCachedGraphicsTest
+ * @run main/othervm -Dsun.java2d.d3d=false RenderingToCachedGraphicsTest
+ */
+import java.awt.Canvas;
+import java.awt.Color;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.GraphicsEnvironment;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.Toolkit;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.awt.image.BufferStrategy;
+import java.awt.image.BufferedImage;
+import static java.awt.image.VolatileImage.*;
+import java.awt.image.VolatileImage;
+import java.io.File;
+import java.util.concurrent.CountDownLatch;
+import javax.imageio.ImageIO;
+
+public class RenderingToCachedGraphicsTest extends Frame {
+ private static volatile boolean failed = false;
+ private static volatile CountDownLatch latch;
+ private Graphics cachedGraphics;
+ private Canvas renderCanvas;
+
+ public RenderingToCachedGraphicsTest() {
+ super("Test starts in 2 seconds");
+ renderCanvas = new Canvas() {
+ @Override
+ public void paint(Graphics g) {
+ if (getWidth() < 100 || getHeight() < 100) {
+ repaint();
+ return;
+ }
+ // wait for a bit so that Vista's Window manager's animation
+ // effects on window's appearance are completed (6652662)
+ try { Thread.sleep(2000); } catch (InterruptedException ex) {}
+
+ try {
+ runTest();
+ } catch (Throwable t) {
+ failed = true;
+ } finally {
+ latch.countDown();
+ }
+ }
+ @Override
+ public void update(Graphics g) {}
+ };
+
+ add("Center", renderCanvas);
+ }
+
+ private void runTest() {
+ // this will cause screen update manager to dump the accelerated surface
+ // for this canvas
+ renderCanvas.createBufferStrategy(2);
+ BufferStrategy bs = renderCanvas.getBufferStrategy();
+ do {
+ Graphics bsg = bs.getDrawGraphics();
+ bsg.setColor(Color.blue);
+ bsg.fillRect(0, 0,
+ renderCanvas.getWidth(), renderCanvas.getHeight());
+ } while (bs.contentsLost() || bs.contentsRestored());
+
+ // grab the "unaccelerated" onscreen surface
+ cachedGraphics = renderCanvas.getGraphics();
+ cachedGraphics.setColor(Color.red);
+ cachedGraphics.fillRect(0, 0, getWidth(), getHeight());
+
+ bs.dispose();
+ bs = null;
+ // now the update manager should be able to accelerate onscreen
+ // rendering to it again
+
+ cachedGraphics.setColor(Color.green);
+ // this causes restoration of the new accelerated onscreen surface
+ // (it is created in "lost" state)
+ cachedGraphics.fillRect(0, 0,
+ renderCanvas.getWidth(),
+ renderCanvas.getHeight());
+ Toolkit.getDefaultToolkit().sync();
+ // and now we should be able to render to it
+ cachedGraphics.fillRect(0, 0,
+ renderCanvas.getWidth(),
+ renderCanvas.getHeight());
+ Toolkit.getDefaultToolkit().sync();
+
+ Robot robot = null;
+ try {
+ robot = new Robot();
+ } catch (Exception e) {
+ e.printStackTrace();
+ failed = true;
+ return;
+ }
+
+ Point p = renderCanvas.getLocationOnScreen();
+ Rectangle r = new Rectangle(p.x, p.y,
+ renderCanvas.getWidth(),
+ renderCanvas.getHeight());
+ BufferedImage bi = robot.createScreenCapture(r);
+ for (int y = 0; y < bi.getHeight(); y++) {
+ for (int x = 0; x < bi.getWidth(); x++) {
+ if (bi.getRGB(x, y) != Color.green.getRGB()) {
+ System.err.println("Colors mismatch!");
+ String name = "RenderingToCachedGraphicsTest.png";
+ try {
+ ImageIO.write(bi, "png", new File(name));
+ System.err.println("Dumped grabbed image to: "+name);
+ } catch (Exception e) {}
+ failed = true;
+ return;
+ }
+ }
+ }
+ }
+
+ public static void main(String[] args) {
+ int depth = GraphicsEnvironment.getLocalGraphicsEnvironment().
+ getDefaultScreenDevice().getDefaultConfiguration().
+ getColorModel().getPixelSize();
+ if (depth < 16) {
+ System.out.println("Test PASSED (depth < 16bit)");
+ return;
+ }
+
+ latch = new CountDownLatch(1);
+ RenderingToCachedGraphicsTest t1 = new RenderingToCachedGraphicsTest();
+ t1.pack();
+ t1.setSize(300, 300);
+ t1.setVisible(true);
+
+ try { latch.await(); } catch (InterruptedException ex) {}
+ t1.dispose();
+
+ if (failed) {
+ throw new
+ RuntimeException("Failed: rendering didn't show up");
+ }
+ System.out.println("Test PASSED");
+ }
+}