| /* |
| * Copyright (c) 2020, 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.GraphicsDevice; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.Insets; |
| import java.awt.Toolkit; |
| import java.util.List; |
| import java.util.concurrent.TimeUnit; |
| |
| import jdk.test.lib.process.OutputAnalyzer; |
| import jdk.test.lib.process.ProcessTools; |
| |
| /** |
| * @test |
| * @bug 8243925 |
| * @key headful |
| * @requires (os.family == "windows") |
| * @summary Verifies Toolkit.getScreenInsets using different DPI |
| * @library /test/lib |
| * @run main/othervm -Dsun.java2d.uiScale=1 ScreenInsetsDPIVariation |
| */ |
| public final class ScreenInsetsDPIVariation { |
| |
| public static void main(String[] args) throws Exception { |
| var ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); |
| GraphicsDevice[] screenDevices = ge.getScreenDevices(); |
| if (args.length == 0) { |
| for (int i = 0; i < screenDevices.length; i++) { |
| var gd = screenDevices[i]; |
| var gc = gd.getDefaultConfiguration(); |
| Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(gc); |
| checkAllDPI(i, insets); |
| } |
| } else { |
| int screen = Integer.parseInt(args[0]); |
| int left = Integer.parseInt(args[1]); |
| int right = Integer.parseInt(args[2]); |
| int top = Integer.parseInt(args[3]); |
| int bottom = Integer.parseInt(args[4]); |
| double scale = Double.parseDouble(args[5]); |
| |
| System.err.println("screen = " + screen); |
| System.err.println("scale = " + scale); |
| if (screen >= screenDevices.length) { |
| return; // devices were changed, skip |
| } |
| var gc = screenDevices[screen].getDefaultConfiguration(); |
| Insets insets = Toolkit.getDefaultToolkit().getScreenInsets(gc); |
| check(insets.left, left / scale); |
| check(insets.right, right / scale); |
| check(insets.top, top / scale); |
| check(insets.bottom, bottom / scale); |
| } |
| } |
| |
| private static void check(int actual, double expected) { |
| if (actual != clipRound(expected)) { |
| System.err.println("Expected: " + expected); |
| System.err.println("Actual: " + actual); |
| throw new RuntimeException("Wrong size"); |
| } |
| } |
| |
| private static void checkAllDPI(int screen, Insets insets) |
| throws Exception { |
| for (String dpi : List.of("1", "1.5", "1.75", "2", "2.5", "3", "3.1")) { |
| runProcess(dpi, screen, insets); |
| } |
| } |
| |
| public static int clipRound(double coordinate) { |
| double newv = coordinate - 0.5; |
| if (newv < Integer.MIN_VALUE) { |
| return Integer.MIN_VALUE; |
| } |
| if (newv > Integer.MAX_VALUE) { |
| return Integer.MAX_VALUE; |
| } |
| return (int) Math.ceil(newv); |
| } |
| |
| private static void runProcess(String dpi, int screen, Insets insets) |
| throws Exception { |
| ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( |
| "-Dsun.java2d.uiScale=" + dpi, |
| ScreenInsetsDPIVariation.class.getSimpleName(), |
| String.valueOf(screen), String.valueOf(insets.left), |
| String.valueOf(insets.right), String.valueOf(insets.top), |
| String.valueOf(insets.bottom), dpi); |
| Process worker = ProcessTools.startProcess("Worker", pb, null, 20, |
| TimeUnit.SECONDS); |
| new OutputAnalyzer(worker).shouldHaveExitValue(0); |
| } |
| } |