267 lines
10 KiB
Java
267 lines
10 KiB
Java
/*
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* Copyright (c) 2016, 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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* @bug 8165212
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* @summary This manual test case displays scale values of Graphics and the
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* underlying device configuration. Any change to host display's DPI
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* value should reflect corresponding changes in the scale values
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* of both Frame and Backbuffer (VolatileImage).
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* @run main/othervm/manual -Dsun.java2d.d3d=false -Dsun.java2d.opengl=false VolatileImageConfigurationTest
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*/
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import java.awt.BorderLayout;
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import java.awt.FlowLayout;
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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.Color;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.awt.geom.AffineTransform;
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import java.awt.image.VolatileImage;
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import java.awt.HeadlessException;
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import javax.swing.JFrame;
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import javax.swing.JPanel;
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import javax.swing.JTextArea;
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import javax.swing.JButton;
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import javax.swing.SwingUtilities;
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public class VolatileImageConfigurationTest
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extends JFrame
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implements ActionListener {
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/* Test frame and completion status */
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private static JFrame testFrame;
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private static volatile boolean testComplete = false;
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private static volatile boolean testResult = false;
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/* Main frame's dimensions */
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private static final int TEST_WIDTH = 600;
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private static final int TEST_HEIGHT = 600;
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private static final int TEST_MIN_DURATION = 3000;
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private static final int TEST_TOTAL_DURATION = 45000;
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/*
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* Frame will display information text explaining how to run the manual
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* test, and two buttons- Pass and Fail to determine the end-result.
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*/
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private JTextArea infoTextArea;
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private JPanel buttonPanel;
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private JPanel testPanel;
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private JButton passButton;
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private JButton failButton;
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public VolatileImageConfigurationTest() {
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/* Default constructor. Initialize the UI components */
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super("Volatile Image Configuration Update Test");
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initComponents();
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}
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private void initComponents() {
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/* Create the text area with steps to execute the test */
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String description
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= "\n Volatile Image Configuration Update Test.\n"
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+ " 1. The test displays scale values of component and the"
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+ " underlying graphics device configuration.\n"
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+ " 2. Kindly change the display's DPI settings from OS"
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+ " control panel and observe the application.\n"
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+ " 3. Select Pass if the scale values for both component & "
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+ "underlying device configuration are updated as per the "
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+ "\ndisplay's DPI value.\n";
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infoTextArea = new JTextArea(description);
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/* Create the test panel where user will observe the drawing */
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testPanel = new DisplayPanel();
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/* Create the buttons with event listeners */
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passButton = new JButton("Pass");
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passButton.setActionCommand("Pass");
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passButton.setEnabled(true);
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passButton.addActionListener(this);
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failButton = new JButton("Fail");
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failButton.setActionCommand("Fail");
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failButton.setEnabled(true);
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failButton.addActionListener(this);
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/* Add the buttons to a separate panel with flowlayout */
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buttonPanel = new JPanel(new FlowLayout());
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buttonPanel.add(passButton);
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buttonPanel.add(failButton);
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/* Add all the created components to the master frame */
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setLayout(new BorderLayout(10, 10));
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add(infoTextArea, BorderLayout.NORTH);
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add(buttonPanel, BorderLayout.SOUTH);
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add(testPanel, BorderLayout.CENTER);
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/* Set the dimensions */
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setSize(TEST_WIDTH, TEST_HEIGHT);
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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/* Button event listener */
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String command = e.getActionCommand();
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if (command.equals("Pass")) {
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/* Test has passed. Dispose the frame with success message */
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testComplete = true;
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testResult = true;
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System.out.println("Test Passed.");
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} else if (command.equals("Fail")) {
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/* Test has failed. Dispose the frame and throw exception */
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testComplete = true;
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testResult = false;
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}
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}
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private static void constructTestUI() {
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/* Construct the test's user interface */
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testFrame = new VolatileImageConfigurationTest();
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testFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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testFrame.setLocationRelativeTo(null);
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testFrame.setVisible(true);
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}
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private static void destructTestUI() {
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/* Destroy the test's user interface */
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testFrame.dispose();
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}
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static class DisplayPanel extends JPanel {
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/* Display panel settings */
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private static final int PANEL_WIDTH = 600;
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private static final int PANEL_HEIGHT = 500;
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private static final int PANEL_X = 20;
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private static final int PANEL_Y = 80;
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private static final String MSG = "%s scale: [%2.2f, %2.2f]";
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private VolatileImage vImg;
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public DisplayPanel() throws HeadlessException {
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setSize(PANEL_WIDTH, PANEL_HEIGHT);
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}
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@Override
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public void paint(Graphics g) {
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super.paint(g);
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g.setColor(Color.WHITE);
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g.fillRect(0, 0, PANEL_WIDTH, PANEL_HEIGHT);
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/* Display graphics configuration values of the component */
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drawInfo(g, PANEL_X, PANEL_Y, "Frame", Color.BLUE);
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int attempts = 0;
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do {
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/* Display graphics configuration values of volatile image */
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drawBackingStoreImage(g);
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} while (vImg.contentsLost() && ++attempts < 3);
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}
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private void drawInfo(Graphics g, int x, int y,
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String msg, Color color) {
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g.setColor(color);
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g.setFont(g.getFont().deriveFont(24f));
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Graphics2D g2d = (Graphics2D) g;
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AffineTransform tx = g2d.getTransform();
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g.drawString(msg, x, y);
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String text = String.format(MSG,
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"Graphics",
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tx.getScaleX(),
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tx.getScaleY());
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int dy = 20;
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g.drawString(text, x, y + dy);
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tx = g2d.getDeviceConfiguration().getDefaultTransform();
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text = String.format(MSG,
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"Device Config",
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tx.getScaleX(),
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tx.getScaleY());
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g.drawString(text, x, y + 2 * dy);
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}
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private void drawBackingStoreImage(Graphics g) {
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Graphics2D g2d = (Graphics2D) g;
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GraphicsConfiguration gc = g2d.getDeviceConfiguration();
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if (vImg == null ||
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vImg.validate(gc) == VolatileImage.IMAGE_INCOMPATIBLE) {
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/* Create a new volatile image */
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vImg = createVolatileImage(PANEL_WIDTH, PANEL_HEIGHT / 3);
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}
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Graphics vImgGraphics = vImg.createGraphics();
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vImgGraphics.setColor(Color.WHITE);
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vImgGraphics.fillRect(0, 0, PANEL_WIDTH, PANEL_HEIGHT / 3);
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drawInfo(vImgGraphics,
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PANEL_X,
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PANEL_Y,
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"Backbuffer",
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Color.MAGENTA);
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g.drawImage(vImg, 0, PANEL_Y * 2, this);
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}
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}
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public static void main(String[] args) throws Exception {
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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try {
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/* Construct the test interface */
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constructTestUI();
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} catch (Exception ex) {
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/* Throw an exception indicating error while creating UI */
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throw new RuntimeException("Test Failed. Error while "
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+ "creating the test interface.");
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}
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}
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});
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try {
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/* Provide sufficient time for user to act upon the manual test */
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long totalWaitDuration = 0;
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do {
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Thread.sleep(TEST_MIN_DURATION);
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totalWaitDuration += TEST_MIN_DURATION;
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} while (!testComplete && totalWaitDuration < TEST_TOTAL_DURATION);
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} catch(InterruptedException ite) {
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/* No-op. The thread continues execution further */
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}
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SwingUtilities.invokeAndWait(new Runnable() {
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@Override
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public void run() {
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try {
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/* Destroy the test interface */
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destructTestUI();
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} catch (Exception ex) {
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/* No-op */
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}
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}
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});
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/* Check for the test result and throw exception if required */
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if (testResult == false) {
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throw new RuntimeException("Test Failed. Incorrect scale values "
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+ "were seen during the test execution.");
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}
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}
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} |