135 lines
4.5 KiB
Java
135 lines
4.5 KiB
Java
/*
|
|
* Copyright (c) 2006, 2018, 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
|
|
* @key headful
|
|
* @bug 6366813 6459844 8198613
|
|
* @summary Tests that no exception is thrown if a frame is resized just
|
|
* before we create a bufferStrategy
|
|
* @author Dmitri.Trembovetski area=FullScreen/BufferStrategy
|
|
* @run main/othervm BufferStrategyExceptionTest
|
|
*/
|
|
|
|
import java.awt.AWTException;
|
|
import java.awt.BufferCapabilities;
|
|
import java.awt.Color;
|
|
import java.awt.Dimension;
|
|
import java.awt.Frame;
|
|
import java.awt.Graphics;
|
|
import java.awt.GraphicsConfiguration;
|
|
import java.awt.GraphicsDevice;
|
|
import java.awt.GraphicsEnvironment;
|
|
import java.awt.ImageCapabilities;
|
|
import java.awt.image.BufferStrategy;
|
|
import java.awt.image.BufferedImage;
|
|
|
|
/**
|
|
* The purpose of this test is to make sure that we do not throw an
|
|
* IllegalStateException during the creation of BufferStrategy if
|
|
* a window has been resized just before our creation attempt.
|
|
*
|
|
* We test both windowed and fullscreen mode, although the exception has
|
|
* been observed in full screen mode only.
|
|
*/
|
|
public class BufferStrategyExceptionTest {
|
|
private static final int TEST_REPS = 20;
|
|
|
|
public static void main(String[] args) {
|
|
GraphicsDevice gd =
|
|
GraphicsEnvironment.getLocalGraphicsEnvironment().
|
|
getDefaultScreenDevice();
|
|
|
|
for (int i = 0; i < TEST_REPS; i++) {
|
|
TestFrame f = new TestFrame();
|
|
f.pack();
|
|
f.setSize(400, 400);
|
|
f.setVisible(true);
|
|
if (i % 2 == 0) {
|
|
gd.setFullScreenWindow(f);
|
|
}
|
|
// generate a resize event which will invalidate the peer's
|
|
// surface data and hopefully cause an exception during
|
|
// BufferStrategy creation in TestFrame.render()
|
|
Dimension d = f.getSize();
|
|
d.width -= 5; d.height -= 5;
|
|
f.setSize(d);
|
|
|
|
f.render();
|
|
gd.setFullScreenWindow(null);
|
|
sleep(100);
|
|
f.dispose();
|
|
}
|
|
System.out.println("Test passed.");
|
|
}
|
|
|
|
private static void sleep(long msecs) {
|
|
try {
|
|
Thread.sleep(msecs);
|
|
} catch (InterruptedException ex) {
|
|
ex.printStackTrace();
|
|
}
|
|
}
|
|
|
|
private static final BufferedImage bi =
|
|
new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
|
|
|
|
static class TestFrame extends Frame {
|
|
TestFrame() {
|
|
setUndecorated(true);
|
|
setIgnoreRepaint(true);
|
|
setSize(400, 400);
|
|
}
|
|
|
|
public void render() {
|
|
ImageCapabilities imgBackBufCap = new ImageCapabilities(true);
|
|
ImageCapabilities imgFrontBufCap = new ImageCapabilities(true);
|
|
BufferCapabilities bufCap =
|
|
new BufferCapabilities(imgFrontBufCap,
|
|
imgBackBufCap, BufferCapabilities.FlipContents.COPIED);
|
|
try {
|
|
|
|
createBufferStrategy(2, bufCap);
|
|
} catch (AWTException ex) {
|
|
createBufferStrategy(2);
|
|
}
|
|
|
|
BufferStrategy bs = getBufferStrategy();
|
|
do {
|
|
Graphics g = bs.getDrawGraphics();
|
|
g.setColor(Color.green);
|
|
g.fillRect(0, 0, getWidth(), getHeight());
|
|
|
|
g.setColor(Color.red);
|
|
g.drawString("Rendering test", 20, 20);
|
|
|
|
g.drawImage(bi, 50, 50, null);
|
|
|
|
g.dispose();
|
|
bs.show();
|
|
} while (bs.contentsLost()||bs.contentsRestored());
|
|
}
|
|
}
|
|
|
|
}
|