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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* 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).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/**
* @test
* @bug 6705443
* @summary tests that we don't crash during exit if font strikes were disposed
* during the lifetime of the application
*
* @run main/othervm -Dsun.java2d.font.reftype=weak StrikeDisposalCrashTest
* @run main/othervm -Dsun.java2d.font.reftype=weak -Dsun.java2d.noddraw=true StrikeDisposalCrashTest
* @run main/othervm -Dsun.java2d.font.reftype=weak -Dsun.java2d.opengl=True StrikeDisposalCrashTest
*/
import java.awt.Font;
import java.awt.Frame;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.RenderingHints;
import java.awt.Toolkit;
import java.awt.image.VolatileImage;
public class StrikeDisposalCrashTest {
public static void main(String[] args) {
System.setProperty("sun.java2d.font.reftype", "weak");
GraphicsDevice gd[] =
GraphicsEnvironment.getLocalGraphicsEnvironment().getScreenDevices();
Frame frames[] = new Frame[gd.length];
for (int i = 0; i < frames.length; i++) {
GraphicsConfiguration gc = gd[i].getDefaultConfiguration();
Frame f = new Frame("Frame on "+gc, gc);
f.setSize(100, 100);
f.setLocation(gc.getBounds().x, gc.getBounds().y);
f.pack();
frames[i] = f;
}
Font f1 = new Font("Dialog", Font.PLAIN, 10);
Font f2 = new Font("Dialog", Font.ITALIC, 12);
for (int i = 0; i < frames.length/2; i++) {
// making sure the glyphs are cached in the accel. cache on
// one frame, then the other
renderText(frames[i], f1);
renderText(frames[frames.length -1 - i], f1);
// and now the other way around, with different glyphs
renderText(frames[frames.length -1 - i], f2);
renderText(frames[i], f2);
}
// try to force strike disposal (note that we have to use
// -Dsun.java2d.font.reftype=weak to facilitate the disposal)
System.gc();
System.runFinalization();
System.gc();
System.runFinalization();
for (Frame f : frames) {
f.dispose();
}
System.err.println("Exiting. If the test crashed after this it FAILED");
}
private static final String text =
"The quick brown fox jumps over the lazy dog 1234567890";
private static void renderText(Frame frame, Font f1) {
VolatileImage vi = frame.createVolatileImage(256, 32);
vi.validate(frame.getGraphicsConfiguration());
Graphics2D g = vi.createGraphics();
g.setFont(f1);
g.drawString(text, 0, vi.getHeight()/2);
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g.drawString(text, 0, vi.getHeight()/2);
g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
g.drawString(text, 0, vi.getHeight()/2);
Toolkit.getDefaultToolkit().sync();
}
}