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