73 lines
2.7 KiB
Java
73 lines
2.7 KiB
Java
/*
|
|
* Copyright (c) 2021, 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 8267430
|
|
* @key headful
|
|
* @summary verify setting a display mode with unknow refresh rate works
|
|
*/
|
|
|
|
import java.awt.DisplayMode;
|
|
import java.awt.GraphicsDevice;
|
|
import java.awt.GraphicsEnvironment;
|
|
|
|
public class UnknownRefrshRateTest {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
|
|
GraphicsDevice[] devices = ge.getScreenDevices();
|
|
|
|
for (GraphicsDevice d : devices) {
|
|
|
|
if (!d.isDisplayChangeSupported()) {
|
|
continue;
|
|
}
|
|
DisplayMode odm = d.getDisplayMode();
|
|
System.out.println("device=" + d + " original mode=" + odm);
|
|
|
|
DisplayMode[] modes = d.getDisplayModes();
|
|
System.out.println("There are " + modes.length + " modes.");
|
|
try {
|
|
for (int i=0; i<modes.length; i++) {
|
|
DisplayMode mode = modes[i];
|
|
System.out.println("copying from mode " + i + " : " + mode);
|
|
int w = mode.getWidth();
|
|
int h = mode.getHeight();
|
|
int bpp = mode.getBitDepth();
|
|
int refRate = DisplayMode.REFRESH_RATE_UNKNOWN;
|
|
DisplayMode newMode = new DisplayMode(w, h, bpp, refRate);
|
|
d.setDisplayMode(newMode);
|
|
Thread.sleep(2000);
|
|
System.out.println("set " + d.getDisplayMode());
|
|
}
|
|
} finally {
|
|
System.out.println("restoring original mode"+odm);
|
|
d.setDisplayMode(odm);
|
|
Thread.sleep(10000);
|
|
}
|
|
}
|
|
}
|
|
}
|