undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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/*
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* Copyright (c) 2007, 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @key headful
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* @bug 6664068 6666931
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* @summary Tests that resizing a window to which a tight loop is rendering
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* doesn't produce artifacts or crashes
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* @run main/othervm OnScreenRenderingResizeTest
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* @run main/othervm -Dsun.java2d.d3d=false OnScreenRenderingResizeTest
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*/
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import java.awt.AWTException;
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import java.awt.Color;
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import java.awt.Frame;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.GraphicsConfiguration;
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import java.awt.Point;
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import java.awt.Rectangle;
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import java.awt.Robot;
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import java.awt.EventQueue;
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import java.awt.image.BufferedImage;
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import java.awt.image.VolatileImage;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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public class OnScreenRenderingResizeTest {
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private static volatile boolean nocheck = false;
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private static int FRAME_W;
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private static int FRAME_H;
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private static int IMAGE_W;
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private static int IMAGE_H;
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private static final int tolerance = 12;
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private static long RUN_TIME = 1000*20;
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private static final Color renderColor = Color.green;
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private static final Color bgColor = Color.white;
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private static Frame frame;
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private static void createAndShowGUI() {
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frame = new Frame() {
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public void paint(Graphics g) {}
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public void update(Graphics g) {}
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};
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frame.setBackground(bgColor);
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frame.setUndecorated(true);
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frame.setAlwaysOnTop(true);
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frame.pack();
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frame.setVisible(true);
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}
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public static void main(String[] args) throws Exception {
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for (String arg : args) {
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if ("-inf".equals(arg)) {
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System.err.println("Test will run indefinitely");
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RUN_TIME = Long.MAX_VALUE;
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} else if ("-nocheck".equals(arg)) {
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System.err.println("Test will not check rendering results");
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nocheck = true;
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} else {
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System.err.println("Usage: OnScreenRenderingResizeTest" +
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" [-inf][-nocheck]");
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}
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}
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try {
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EventQueue.invokeAndWait(new Runnable() {
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public void run() {
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createAndShowGUI();
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}
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});
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Thread.sleep(2000);
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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try {
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GraphicsConfiguration gc = frame.getGraphicsConfiguration();
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Rectangle gcBounds = gc.getBounds();
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FRAME_W = (gcBounds.width / 4);
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FRAME_H = (gcBounds.height / 4);
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IMAGE_W = (gcBounds.width / 8);
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IMAGE_H = (gcBounds.height / 8);
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frame.setBounds(gcBounds.width / 4, gcBounds.height / 4,
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FRAME_W, FRAME_H);
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BufferedImage output =
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new BufferedImage(IMAGE_W, IMAGE_H,
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BufferedImage.TYPE_INT_RGB);
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output.setAccelerationPriority(0.0f);
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Graphics g = output.getGraphics();
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g.setColor(renderColor);
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g.fillRect(0, 0, IMAGE_W, IMAGE_H);
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int maxW = gcBounds.width / 2;
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int maxH = gcBounds.height / 2;
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int minW = FRAME_W;
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int minH = FRAME_H;
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int incW = 10, incH = 10, cnt = 0;
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Robot robot = null;
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if (!nocheck && gc.getColorModel().getPixelSize() > 8) {
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try {
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robot = new Robot();
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robot.setAutoDelay(100);
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robot.mouseMove(0,0);
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} catch (AWTException ex) {
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System.err.println("Robot creation failed, continuing.");
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}
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} else {
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System.err.println("No screen rendering checks.");
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}
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VolatileImage vi = gc.
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createCompatibleVolatileImage(IMAGE_W, IMAGE_H);
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vi.validate(gc);
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long timeStarted = System.currentTimeMillis();
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while ((System.currentTimeMillis() - timeStarted) < RUN_TIME) {
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if (++cnt > 100) {
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int w = frame.getWidth() + incW;
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int h = frame.getHeight() + incH;
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if (w < minW || w > maxW ) {
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incW = -incW;
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}
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if (h < minH || h > maxH ) {
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incH = -incH;
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}
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frame.setSize(w, h);
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if (robot != null) {
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robot.waitForIdle();
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}
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cnt = 0;
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}
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// try to put the device into non-default state, for example,
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// this operation below will set the transform
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vi.validate(gc);
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Graphics2D vig = (Graphics2D)vi.getGraphics();
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vig.rotate(30.0f, IMAGE_W/2, IMAGE_H/2);
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vig.drawImage(output, 0, 0,
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IMAGE_W, IMAGE_H, null);
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frame.getGraphics().
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drawImage(output, 0, 0, null);
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if (cnt == 90 && robot != null) {
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robot.waitForIdle();
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// area where we blit and should be either white or green
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Point p = frame.getLocationOnScreen();
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p.translate(10, 10);
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BufferedImage bi =
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robot.createScreenCapture(
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new Rectangle(p.x, p.y,
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(IMAGE_W / 2), (IMAGE_H / 2)));
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int accepted1[] = {Color.white.getRGB(),
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Color.green.getRGB()};
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checkBI(bi, accepted1);
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// the area where we didn't render should stay white
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robot.waitForIdle();
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p = frame.getLocationOnScreen();
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p.translate(10, IMAGE_H + 10);
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bi = robot.createScreenCapture(
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new Rectangle(p.x, p.y,
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frame.getWidth() - 20,
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frame.getHeight() - 20 - (IMAGE_H)));
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int accepted2[] = { Color.white.getRGB() };
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checkBI(bi, accepted2);
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}
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Thread.yield();
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}
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} finally {
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frame.dispose();
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}
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System.out.println("Test Passed");
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}
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private static void checkBI(BufferedImage bi, int accepted[]) {
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for (int x = 0; x < bi.getWidth(); x++) {
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for (int y = 0; y < bi.getHeight(); y++) {
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int actual = bi.getRGB(x, y);
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int alpha = (actual >> 24) & 0xFF;
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int red = (actual >> 16) & 0xFF;
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int green = (actual >> 8) & 0xFF;
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int blue = (actual) & 0xFF;
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boolean found = false;
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for (int acc : accepted) {
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int accAlpha = (acc >> 24) & 0xFF;
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int accRed = (acc >> 16) & 0xFF;
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int accGreen = (acc >> 8) & 0xFF;
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int accBlue = (acc) & 0xFF;
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if (!(Math.abs(alpha - accAlpha) > tolerance ||
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Math.abs(red - accRed) > tolerance ||
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Math.abs(green - accGreen) > tolerance ||
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Math.abs(blue - accBlue) > tolerance)) {
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found = true;
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break;
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}
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}
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if (!found) {
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try {
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String name = "OnScreenRenderingResizeTest.png";
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ImageIO.write(bi, "png", new File(name));
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System.out.println("Screen shot file: " + name);
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} catch (IOException ex) {}
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throw new
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RuntimeException("Test failed at " + x + "-" + y +
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" rgb=0x" + Integer.
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toHexString(actual));
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}
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}
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}
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}
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}
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