/* * Copyright (c) 2007, 2008, 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. */ /* * @test * @bug 6664068 6666931 * @summary Tests that resizing a window to which a tight loop is rendering * doesn't produce artifacts or crashes * @author Dmitri.Trembovetski@sun.com: area=Graphics * @run main/othervm OnScreenRenderingResizeTest * @run main/othervm -Dsun.java2d.d3d=false OnScreenRenderingResizeTest */ import java.awt.AWTException; import java.awt.Color; import java.awt.EventQueue; import java.awt.Frame; import java.awt.Graphics; import java.awt.Graphics2D; import java.awt.GraphicsConfiguration; import java.awt.Insets; import java.awt.Point; import java.awt.Rectangle; import java.awt.Robot; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.awt.image.BufferedImage; import java.awt.image.VolatileImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; public class OnScreenRenderingResizeTest { private static volatile boolean done = false; private static volatile boolean nocheck = false; private static final int FRAME_W = 256; private static final int FRAME_H = 256; private static final int IMAGE_W = 128; private static final int IMAGE_H = 128; private static long RUN_TIME = 1000*20; private static final Color renderColor = Color.green; private static final Color bgColor = Color.white; public static void main(String[] args) { for (String arg : args) { if ("-inf".equals(arg)) { System.err.println("Test will run indefinitely"); RUN_TIME = Long.MAX_VALUE; } else if ("-nocheck".equals(arg)) { System.err.println("Test will not check rendering results"); nocheck = true; } else { System.err.println("Usage: OnScreenRenderingResizeTest [-inf][-nocheck]"); } } BufferedImage output = new BufferedImage(IMAGE_W, IMAGE_H, BufferedImage.TYPE_INT_RGB); output.setAccelerationPriority(0.0f); Graphics g = output.getGraphics(); g.setColor(renderColor); g.fillRect(0, 0, output.getWidth(), output.getHeight()); final Frame frame = new Frame("OnScreenRenderingResizeTest") { public void paint(Graphics g) {} public void update(Graphics g) {} }; frame.setBackground(bgColor); frame.pack(); frame.setSize(FRAME_W, FRAME_H); frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { done = true; } }); try { EventQueue.invokeAndWait(new Runnable() { public void run() { frame.setVisible(true); } }); // wait for Vista's effects to complete Thread.sleep(2000); } catch (Exception ex) { ex.printStackTrace(); } GraphicsConfiguration gc = frame.getGraphicsConfiguration(); int maxW = gc.getBounds().width /2; int maxH = gc.getBounds().height/2; int minW = frame.getWidth(); int minH = frame.getHeight(); int incW = 10, incH = 10, cnt = 0; Robot robot = null; if (!nocheck && gc.getColorModel().getPixelSize() > 8) { try { robot = new Robot(); } catch (AWTException ex) { System.err.println("Robot creation failed, continuing."); } } else { System.err.println("No screen rendering checks."); } VolatileImage vi = gc.createCompatibleVolatileImage(512, 512); vi.validate(gc); long timeStarted = System.currentTimeMillis(); while (!done && (System.currentTimeMillis() - timeStarted) < RUN_TIME) { if (++cnt > 100) { int w = frame.getWidth() + incW; int h = frame.getHeight() + incH; if (w < minW || w > maxW ) { incW = -incW; } if (h < minH || h > maxH ) { incH = -incH; } frame.setSize(w, h); cnt = 0; } // try to put the device into non-default state, for example, // this operation below will set the transform vi.validate(gc); Graphics2D vig = (Graphics2D)vi.getGraphics(); vig.rotate(30.0f, vi.getWidth()/2, vi.getHeight()/2); vig.drawImage(output, 0, 0, vi.getWidth(), vi.getHeight(), null); Insets in = frame.getInsets(); frame.getGraphics().drawImage(output, in.left, in.top, null); if (cnt == 90 && robot != null) { // area where we blitted to should be either white or green Point p = frame.getLocationOnScreen(); p.translate(in.left+10, in.top+10); BufferedImage bi = robot.createScreenCapture( new Rectangle(p.x, p.y, IMAGE_W/2, IMAGE_H/2)); int accepted1[] = { Color.white.getRGB(), Color.green.getRGB()}; checkBI(bi, accepted1); // the are where we didn't render should stay white p = frame.getLocationOnScreen(); p.translate(in.left, in.top+IMAGE_H+5); bi = robot.createScreenCapture( new Rectangle(p.x, p.y, frame.getWidth()-in.left-in.right, frame.getHeight()-in.top-in.bottom-5-IMAGE_H)); int accepted2[] = { Color.white.getRGB() }; checkBI(bi, accepted1); } Thread.yield(); } frame.dispose(); System.out.println("Test Passed"); } private static void checkBI(BufferedImage bi, int accepted[]) { for (int x = 0; x < bi.getWidth(); x++) { for (int y = 0; y < bi.getHeight(); y++) { int pix = bi.getRGB(x, y); boolean found = false; for (int acc : accepted) { if (pix == acc) { found = true; break; } } if (!found) { try { String name = "OnScreenRenderingResizeTest.png"; ImageIO.write(bi, "png", new File(name)); System.out.println("Screen shot file: " + name); } catch (IOException ex) {} throw new RuntimeException("Test failed at " + x + "-" + y + " rgb=0x" + Integer.toHexString(pix)); } } } } }