russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
115 lines
4.1 KiB
Java
115 lines
4.1 KiB
Java
/*
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* Copyright (c) 2004, 2025, 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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/*
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* @test
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* @bug 5041225
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* @key headful
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* @summary Tests that we can set a display mode with unknown refresh rate
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* if corresponding system display mode (with equal w/h/d) is available.
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* @run main DisplayModeNoRefreshTest
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*/
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import java.awt.Color;
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import java.awt.DisplayMode;
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import java.awt.EventQueue;
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import java.awt.Frame;
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import java.awt.GraphicsDevice;
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import java.awt.GraphicsEnvironment;
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public class DisplayModeNoRefreshTest extends Frame {
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private static DisplayModeNoRefreshTest fs;
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private static final GraphicsDevice gd =
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GraphicsEnvironment.getLocalGraphicsEnvironment()
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.getDefaultScreenDevice();
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private static final DisplayMode origMode = gd.getDisplayMode();
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public DisplayModeNoRefreshTest() {
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super("DisplayModeNoRefreshTest");
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if (!gd.isFullScreenSupported()) {
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System.out.println("Full Screen is not supported, test considered passed.");
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return;
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}
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setBackground(Color.green);
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gd.setFullScreenWindow(this);
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DisplayMode dlMode = getNoRefreshDisplayMode(gd.getDisplayModes());
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if (dlMode != null) {
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System.out.println("Selected Display Mode: " +
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" Width " + dlMode.getWidth() +
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" Height " + dlMode.getHeight() +
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" BitDepth " + dlMode.getBitDepth() +
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" Refresh Rate " + dlMode.getRefreshRate());
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try {
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gd.setDisplayMode(dlMode);
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} catch (IllegalArgumentException ex) {
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throw new RuntimeException("Test Failed due to IAE", ex);
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}
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} else {
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System.out.println("No suitable display mode available, test considered passed.");
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return;
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}
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try { Thread.sleep(2000); } catch (InterruptedException e) {}
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System.out.println("Test Passed.");
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}
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public DisplayMode getNoRefreshDisplayMode(DisplayMode dm[]) {
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DisplayMode mode = new DisplayMode(640, 480, 32, DisplayMode.REFRESH_RATE_UNKNOWN);
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int i = 0;
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for (i = 0; i < dm.length; i++) {
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if (mode.getWidth() == dm[i].getWidth()
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&& mode.getHeight() == dm[i].getHeight()
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&& mode.getBitDepth() == dm[i].getBitDepth()) {
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return mode;
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}
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}
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if (dm.length > 0) {
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return
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new DisplayMode(dm[0].getWidth(), dm[0].getHeight(),
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dm[0].getBitDepth(),
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DisplayMode.REFRESH_RATE_UNKNOWN);
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}
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return null;
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}
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public static void main(String[] args) throws Exception {
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try {
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EventQueue.invokeAndWait(() -> {
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System.setProperty("sun.java2d.noddraw", "true");
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fs = new DisplayModeNoRefreshTest();
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});
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} finally {
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gd.setDisplayMode(origMode);
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EventQueue.invokeAndWait(() -> {
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if (fs != null) {
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fs.dispose();
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}
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});
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}
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}
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}
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