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/*
* Copyright (c) 2022, 2024, 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 8255439
* @key headful
* @library /java/awt/regtesthelpers
* @build PassFailJFrame
* @summary To test tray icon scaling with on-the-fly DPI/Scale changes on Windows
* @run main/manual TrayIconScalingTest
* @requires (os.family == "windows")
*/
import java.awt.AWTException;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.RenderingHints;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import java.awt.font.TextLayout;
import java.awt.image.BaseMultiResolutionImage;
import java.awt.image.BufferedImage;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
public class TrayIconScalingTest {
private static SystemTray tray;
private static TrayIcon icon;
private static final String INSTRUCTIONS =
"This test checks if the tray icon gets updated correctly under 2 scenarios:\n\n" +
"Case 1: Single Screen - when DPI / Scale is changed on the fly.\n" +
"Case 2: Multi Screen - when both screens are set to different scales.\n\n" +
"STEPS: \n\n" +
"1. Check the system tray / notification area on Windows" +
" taskbar, you should see a white icon which displays a" +
" number.\n\n" +
"2. Navigate to Settings > System > Display and change the" +
" display scale by selecting any value from" +
" Scale & Layout dropdown.\n\n"+
"3. For Case 1, when the scale changes, check the white tray icon," +
" there should be no distortion, it should be displayed sharp,\n" +
" and the displayed number should correspond to the current"+
" scale.\n\n" +
"4. For Case 2, a dual monitor setup is required with 'Multiple Display'" +
" option under Display settings set to 'Extend the display'.\n\n" +
"5. Have the monitors set to different scales and toggle the" +
" 'Make this my main display' option under Display settings.\n\n" +
" In both cases, the tray icon should be displayed as a clear image" +
" without any distortion with the display number corresponding to the scale.\n" +
" 100% - 16, 125% - 20, 150% - 24, 175% - 28, 200% - 32.\n\n" +
" If the icon is displayed sharp and without any distortion," +
" press PASS, otherwise press FAIL.\n";
private static final Font font = new Font("Dialog", Font.BOLD, 12);
public static void main(String[] args)
throws InterruptedException, InvocationTargetException {
// check if SystemTray supported on the machine
if (!SystemTray.isSupported()) {
System.out.println("SystemTray is not supported");
return;
}
createAndShowTrayIcon();
try {
PassFailJFrame.builder()
.title("TrayIcon Test Instructions")
.instructions(INSTRUCTIONS)
.testTimeOut(8)
.rows(25)
.columns(70)
.screenCapture()
.build()
.awaitAndCheck();
} finally {
if (tray != null) {
tray.remove(icon);
}
}
}
private static void createAndShowTrayIcon() {
ArrayList<Image> imageList = new ArrayList<>();
for (int size = 16; size <= 48; size += 4) {
imageList.add(createIcon(size));
}
Image mRImage =
new BaseMultiResolutionImage(imageList.toArray(new Image[0]));
tray = SystemTray.getSystemTray();
icon = new TrayIcon(mRImage);
try {
tray.add(icon);
} catch (AWTException e) {
throw new RuntimeException("Error while adding icon to system tray", e);
}
}
private static Image createIcon(int size) {
BufferedImage image = new BufferedImage(size, size,
BufferedImage.TYPE_INT_ARGB);
Graphics2D g = image.createGraphics();
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g.setColor(Color.WHITE);
g.fillRect(0, 0, size, size);
g.setFont(font);
g.setColor(Color.BLACK);
TextLayout layout = new TextLayout(String.valueOf(size),
g.getFont(), g.getFontRenderContext());
int height = (int) layout.getBounds().getHeight();
int width = (int) layout.getBounds().getWidth();
layout.draw(g, (size - width) / 2f - 1, (size + height) / 2f);
g.dispose();
return image;
}
}
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