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| 1 | +/* |
| 2 | + * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | + * |
| 5 | + * This code is free software; you can redistribute it and/or modify it |
| 6 | + * under the terms of the GNU General Public License version 2 only, as |
| 7 | + * published by the Free Software Foundation. |
| 8 | + * |
| 9 | + * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | + * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | + * accompanied this code). |
| 14 | + * |
| 15 | + * You should have received a copy of the GNU General Public License version |
| 16 | + * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | + * |
| 19 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 | + * or visit www.oracle.com if you need additional information or have any |
| 21 | + * questions. |
| 22 | + */ |
| 23 | + |
| 24 | +/* |
| 25 | + * @test |
| 26 | + * @bug 8255439 |
| 27 | + * @key headful |
| 28 | + * @library /java/awt/regtesthelpers |
| 29 | + * @build PassFailJFrame |
| 30 | + * @summary To test tray icon scaling with on-the-fly DPI/Scale changes on Windows |
| 31 | + * @run main/manual TrayIconScalingTest |
| 32 | + * @requires (os.family == "windows") |
| 33 | + */ |
| 34 | + |
| 35 | +import java.awt.AWTException; |
| 36 | +import java.awt.Color; |
| 37 | +import java.awt.Font; |
| 38 | +import java.awt.Graphics2D; |
| 39 | +import java.awt.Image; |
| 40 | +import java.awt.RenderingHints; |
| 41 | +import java.awt.SystemTray; |
| 42 | +import java.awt.TrayIcon; |
| 43 | +import java.awt.font.TextLayout; |
| 44 | +import java.awt.image.BaseMultiResolutionImage; |
| 45 | +import java.awt.image.BufferedImage; |
| 46 | +import java.lang.reflect.InvocationTargetException; |
| 47 | +import java.util.ArrayList; |
| 48 | + |
| 49 | +public class TrayIconScalingTest { |
| 50 | + |
| 51 | + private static SystemTray tray; |
| 52 | + private static TrayIcon icon; |
| 53 | + |
| 54 | + private static final String INSTRUCTIONS = |
| 55 | + "This test checks if the tray icon gets updated when DPI / Scale" + |
| 56 | + " is changed on the fly.\n\n" + |
| 57 | + "STEPS: \n\n" + |
| 58 | + "1. Check the system tray / notification area on Windows" + |
| 59 | + " taskbar, you should see a white icon which displays a" + |
| 60 | + " number.\n\n" + |
| 61 | + "2. Navigate to Settings > System > Display and change the" + |
| 62 | + " display scale by selecting any value from" + |
| 63 | + " Scale & Layout dropdown.\n\n"+ |
| 64 | + "3. When the scale changes, check the white tray icon," + |
| 65 | + " there should be no distortion, it should be displayed sharp,\n" + |
| 66 | + " and the displayed number should correspond to the current"+ |
| 67 | + " scale:\n" + |
| 68 | + " 100% - 16, 125% - 20, 150% - 24, 175% - 28, 200% - 32.\n\n"+ |
| 69 | + " If the icon is displayed sharp and without any distortion," + |
| 70 | + " press PASS, otherwise press FAIL.\n"; |
| 71 | + |
| 72 | + private static final Font font = new Font("Dialog", Font.BOLD, 12); |
| 73 | + |
| 74 | + public static void main(String[] args) |
| 75 | + throws InterruptedException, InvocationTargetException { |
| 76 | + // check if SystemTray supported on the machine |
| 77 | + if (!SystemTray.isSupported()) { |
| 78 | + System.out.println("SystemTray is not supported"); |
| 79 | + return; |
| 80 | + } |
| 81 | + PassFailJFrame passFailJFrame = new PassFailJFrame("TrayIcon " + |
| 82 | + "Test Instructions", INSTRUCTIONS, 8, 18, 85); |
| 83 | + createAndShowGUI(); |
| 84 | + try { |
| 85 | + passFailJFrame.awaitAndCheck(); |
| 86 | + } finally { |
| 87 | + tray.remove(icon); |
| 88 | + } |
| 89 | + } |
| 90 | + |
| 91 | + private static void createAndShowGUI() { |
| 92 | + ArrayList<Image> imageList = new ArrayList<>(); |
| 93 | + for (int size = 16; size <= 48; size += 4) { |
| 94 | + imageList.add(createIcon(size)); |
| 95 | + } |
| 96 | + Image mRImage = |
| 97 | + new BaseMultiResolutionImage(imageList.toArray(new Image[0])); |
| 98 | + |
| 99 | + tray = SystemTray.getSystemTray(); |
| 100 | + icon = new TrayIcon(mRImage); |
| 101 | + |
| 102 | + try { |
| 103 | + tray.add(icon); |
| 104 | + } catch (AWTException e) { |
| 105 | + throw new RuntimeException("Error while adding icon to system tray"); |
| 106 | + } |
| 107 | + } |
| 108 | + |
| 109 | + private static Image createIcon(int size) { |
| 110 | + BufferedImage image = new BufferedImage(size, size, |
| 111 | + BufferedImage.TYPE_INT_ARGB); |
| 112 | + Graphics2D g = image.createGraphics(); |
| 113 | + g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, |
| 114 | + RenderingHints.VALUE_TEXT_ANTIALIAS_ON); |
| 115 | + g.setColor(Color.WHITE); |
| 116 | + g.fillRect(0, 0, size, size); |
| 117 | + g.setFont(font); |
| 118 | + g.setColor(Color.BLACK); |
| 119 | + |
| 120 | + TextLayout layout = new TextLayout(String.valueOf(size), |
| 121 | + g.getFont(), g.getFontRenderContext()); |
| 122 | + int height = (int) layout.getBounds().getHeight(); |
| 123 | + int width = (int) layout.getBounds().getWidth(); |
| 124 | + layout.draw(g, (size - width) / 2f - 1, (size + height) / 2f); |
| 125 | + g.dispose(); |
| 126 | + return image; |
| 127 | + } |
| 128 | +} |
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