| /* |
| * Copyright (c) 2017, 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.BasicStroke; |
| import java.awt.BorderLayout; |
| import java.awt.Color; |
| import java.awt.Dimension; |
| import java.awt.FlowLayout; |
| import java.awt.Font; |
| import java.awt.Graphics; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.GraphicsDevice; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.GridBagConstraints; |
| import java.awt.GridBagLayout; |
| import java.awt.HeadlessException; |
| import java.awt.Image; |
| import java.awt.Insets; |
| import java.awt.Rectangle; |
| import java.awt.event.ActionEvent; |
| import java.awt.event.ActionListener; |
| import java.awt.event.WindowAdapter; |
| import java.awt.event.WindowEvent; |
| import java.awt.geom.AffineTransform; |
| import java.awt.image.AbstractMultiResolutionImage; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.ImageObserver; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import javax.swing.JButton; |
| import javax.swing.JComponent; |
| import javax.swing.JFrame; |
| import javax.swing.JPanel; |
| import javax.swing.JTextArea; |
| import javax.swing.SwingUtilities; |
| |
| /* @test |
| * @bug 8175293 8176097 |
| * @summary Window set location to a display with different DPI does not properly work |
| * @run main/manual/othervm WindowResizingOnSetLocationTest |
| */ |
| public class WindowResizingOnSetLocationTest { |
| |
| private static volatile boolean testResult = false; |
| private static volatile CountDownLatch countDownLatch; |
| private static TestFrame frame; |
| private static JFrame mainFrame; |
| private static Rectangle[] screenBounds; |
| private static double[][] scales; |
| private static int screen1 = -1; |
| private static int screen2 = -1; |
| |
| private static final String INSTRUCTIONS = "INSTRUCTIONS:\n" |
| + "Verify that a window is properly resized after setting the location" |
| + " to a display with different DPI.\n" |
| + "\n" |
| + "The test is applicable for a multi-monitor system where displays" |
| + " are configured to have different DPI\n" |
| + "\n" |
| + "1. Press Show Frame button\n" |
| + " (note that the button is disabled in case there are no two monitors" |
| + " with different DPI)\n" |
| + "The frame should appear in the center of the display (either" |
| + " on the first or on the second).\n" |
| + "2. Check that the string \"scales [ScaleX, ScaleY]\" is painted on the window" |
| + " where ScaleX and ScaleY are the scales for current display.\n" |
| + "The scales are calculated as DPI / 96 and are 1 for the DPI value 96" |
| + " and 2 for the DPI value 192.\n" |
| + "3. Press 'Move to another display' button.\n" |
| + "4. Check that the frame appears on the another display.\n" |
| + "5. Check that the string \"scales [ScaleX, ScaleY]\" is updated" |
| + " to show the right display scales.\n" |
| + "6. Check that the window is properly resized.\n" |
| + "7. Check that the window is properly repainted and does not contain drawing artifacts\n" |
| + "If all tests are passed, press PASS, else press FAIL.\n"; |
| |
| public static void main(String args[]) throws Exception { |
| |
| countDownLatch = new CountDownLatch(1); |
| SwingUtilities.invokeLater(WindowResizingOnSetLocationTest::createUI); |
| countDownLatch.await(15, TimeUnit.MINUTES); |
| if (!testResult) { |
| throw new RuntimeException("Test fails!"); |
| } |
| } |
| |
| private static void createUI() { |
| |
| initScreenBounds(); |
| |
| mainFrame = new JFrame("DPI change test"); |
| GridBagLayout layout = new GridBagLayout(); |
| JPanel mainControlPanel = new JPanel(layout); |
| JPanel resultButtonPanel = new JPanel(layout); |
| |
| GridBagConstraints gbc = new GridBagConstraints(); |
| |
| JPanel testPanel = new JPanel(new BorderLayout()); |
| JButton frameButton = new JButton("Show Frame"); |
| frameButton.addActionListener((e) -> { |
| GraphicsConfiguration gc = GraphicsEnvironment |
| .getLocalGraphicsEnvironment() |
| .getScreenDevices()[screen1] |
| .getDefaultConfiguration(); |
| |
| Rectangle rect = getCenterRect(screenBounds[screen2]); |
| frame = new TestFrame(gc, rect); |
| frame.setVisible(true); |
| |
| }); |
| frameButton.setEnabled(screen1 != -1 && screen2 != -1); |
| testPanel.add(getDisplaysComponent(), BorderLayout.CENTER); |
| testPanel.add(frameButton, BorderLayout.SOUTH); |
| |
| gbc.gridx = 0; |
| gbc.gridy = 0; |
| gbc.fill = GridBagConstraints.HORIZONTAL; |
| mainControlPanel.add(testPanel, gbc); |
| |
| JTextArea instructionTextArea = new JTextArea(); |
| instructionTextArea.setText(INSTRUCTIONS); |
| instructionTextArea.setEditable(false); |
| instructionTextArea.setBackground(Color.white); |
| |
| gbc.gridx = 0; |
| gbc.gridy = 1; |
| gbc.fill = GridBagConstraints.HORIZONTAL; |
| mainControlPanel.add(instructionTextArea, gbc); |
| |
| JButton passButton = new JButton("Pass"); |
| passButton.setActionCommand("Pass"); |
| passButton.addActionListener((ActionEvent e) -> { |
| testResult = true; |
| disposeFrames(); |
| countDownLatch.countDown(); |
| |
| }); |
| |
| JButton failButton = new JButton("Fail"); |
| failButton.setActionCommand("Fail"); |
| failButton.addActionListener(new ActionListener() { |
| @Override |
| public void actionPerformed(ActionEvent e) { |
| disposeFrames(); |
| countDownLatch.countDown(); |
| } |
| }); |
| |
| gbc.gridx = 0; |
| gbc.gridy = 0; |
| resultButtonPanel.add(passButton, gbc); |
| |
| gbc.gridx = 1; |
| gbc.gridy = 0; |
| resultButtonPanel.add(failButton, gbc); |
| |
| gbc.gridx = 0; |
| gbc.gridy = 2; |
| mainControlPanel.add(resultButtonPanel, gbc); |
| |
| mainFrame.add(mainControlPanel); |
| mainFrame.pack(); |
| |
| mainFrame.addWindowListener(new WindowAdapter() { |
| |
| @Override |
| public void windowClosing(WindowEvent e) { |
| disposeFrames(); |
| countDownLatch.countDown(); |
| } |
| }); |
| mainFrame.setVisible(true); |
| } |
| |
| private static void disposeFrames() { |
| if (frame != null && frame.isVisible()) { |
| frame.dispose(); |
| } |
| |
| if (mainFrame != null && mainFrame.isVisible()) { |
| mainFrame.dispose(); |
| } |
| } |
| |
| static void initScreenBounds() { |
| |
| GraphicsDevice[] devices = GraphicsEnvironment |
| .getLocalGraphicsEnvironment() |
| .getScreenDevices(); |
| |
| screenBounds = new Rectangle[devices.length]; |
| scales = new double[devices.length][2]; |
| for (int i = 0; i < devices.length; i++) { |
| GraphicsConfiguration gc = devices[i].getDefaultConfiguration(); |
| screenBounds[i] = gc.getBounds(); |
| AffineTransform tx = gc.getDefaultTransform(); |
| scales[i][0] = tx.getScaleX(); |
| scales[i][1] = tx.getScaleY(); |
| } |
| |
| for (int i = 0; i < devices.length; i++) { |
| for (int j = i + 1; j < devices.length; j++) { |
| if (scales[i][0] != scales[j][0] || scales[i][1] != scales[j][1]) { |
| screen1 = i; |
| screen2 = j; |
| } |
| } |
| } |
| } |
| |
| private static Rectangle getCenterRect(Rectangle rect) { |
| int w = rect.width / 2; |
| int h = rect.height / 2; |
| int x = rect.x + w / 2; |
| int y = rect.y + h / 2; |
| |
| return new Rectangle(x, y, w, h); |
| } |
| |
| static JComponent getDisplaysComponent() { |
| |
| Rectangle rect = screenBounds[0]; |
| for (int i = 0; i < screenBounds.length; i++) { |
| rect = rect.union(screenBounds[i]); |
| } |
| |
| final BufferedImage img = new BufferedImage(rect.width, rect.height, BufferedImage.TYPE_INT_RGB); |
| Graphics2D g = img.createGraphics(); |
| g.setColor(Color.WHITE); |
| g.fillRect(0, 0, rect.width, rect.height); |
| g.translate(-rect.x, -rect.y); |
| |
| g.setStroke(new BasicStroke(8f)); |
| for (int i = 0; i < screenBounds.length; i++) { |
| Rectangle r = screenBounds[i]; |
| g.setColor(Color.BLACK); |
| g.drawRect(r.x, r.y, r.width, r.height); |
| |
| g.setColor(Color.ORANGE); |
| Rectangle cr = getCenterRect(r); |
| g.fillRect(cr.x, cr.y, cr.width, cr.height); |
| |
| double scaleX = scales[i][0]; |
| double scaleY = scales[i][1]; |
| float fontSize = rect.height / 7; |
| g.setFont(g.getFont().deriveFont(fontSize)); |
| g.setColor(Color.BLUE); |
| g.drawString(String.format("Scale: [%2.1f, %2.1f]", scaleX, scaleY), |
| r.x + r.width / 8, r.y + r.height / 2); |
| |
| } |
| |
| g.dispose(); |
| |
| JPanel panel = new JPanel() { |
| |
| @Override |
| public void paint(Graphics g) { |
| super.paint(g); |
| g.drawImage(img, 0, 0, getWidth(), getHeight(), this); |
| |
| } |
| }; |
| |
| panel.setPreferredSize(new Dimension(400, 200)); |
| |
| return panel; |
| } |
| |
| static class TestFrame extends JFrame { |
| |
| private final TestMultiResolutionImage mrImage; |
| |
| public TestFrame(GraphicsConfiguration gc, Rectangle rect) throws HeadlessException { |
| super(gc); |
| setBounds(rect); |
| mrImage = new TestMultiResolutionImage(rect.width, rect.height); |
| |
| JPanel panel = new JPanel(new FlowLayout()) { |
| @Override |
| public void paint(Graphics g) { |
| super.paint(g); |
| AffineTransform tx = ((Graphics2D) g).getTransform(); |
| mrImage.scaleX = tx.getScaleX(); |
| mrImage.scaleY = tx.getScaleY(); |
| Insets insets = getInsets(); |
| g.drawImage(mrImage, insets.left, insets.bottom, null); |
| } |
| }; |
| |
| JButton button = new JButton("Move to another display"); |
| button.addActionListener((e) -> { |
| GraphicsConfiguration config = getGraphicsConfiguration(); |
| |
| GraphicsDevice[] devices = GraphicsEnvironment |
| .getLocalGraphicsEnvironment() |
| .getScreenDevices(); |
| |
| |
| int index = devices[screen1].getDefaultConfiguration().equals(config) |
| ? screen2 : screen1; |
| |
| Rectangle r = getCenterRect(screenBounds[index]); |
| frame.setBounds(r); |
| }); |
| |
| panel.add(button); |
| add(panel); |
| } |
| } |
| |
| static class TestMultiResolutionImage extends AbstractMultiResolutionImage { |
| |
| final int width; |
| final int height; |
| double scaleX; |
| double scaleY; |
| |
| public TestMultiResolutionImage(int width, int height) { |
| this.width = width; |
| this.height = height; |
| } |
| |
| @Override |
| public int getWidth(ImageObserver observer) { |
| return width; |
| } |
| |
| @Override |
| public int getHeight(ImageObserver observer) { |
| return height; |
| } |
| |
| @Override |
| protected Image getBaseImage() { |
| return getResolutionVariant(width, height); |
| } |
| |
| @Override |
| public Image getResolutionVariant(double destImageWidth, double destImageHeight) { |
| |
| int w = (int) destImageWidth; |
| int h = (int) destImageHeight; |
| |
| BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); |
| Graphics2D g = img.createGraphics(); |
| g.scale(scaleX, scaleY); |
| int red = (int) (255 / scaleX); |
| int green = (int) (250 / scaleX); |
| int blue = (int) (20 / scaleX); |
| g.setColor(new Color(red, green, blue)); |
| g.fillRect(0, 0, width, height); |
| |
| g.setColor(Color.decode("#87CEFA")); |
| Font f = g.getFont(); |
| g.setFont(new Font(f.getName(), Font.BOLD, 24)); |
| g.drawString(String.format("scales: [%1.2fx, %1.2fx]", scaleX, scaleY), |
| width / 6, height / 2); |
| |
| g.dispose(); |
| return img; |
| } |
| |
| @Override |
| public List<Image> getResolutionVariants() { |
| return Collections.unmodifiableList(Arrays.asList(getBaseImage())); |
| } |
| } |
| } |
