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/*
* Copyright (c) 2013, 2016, 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.
*/
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsEnvironment;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
/**
* @test
* @key headful
* @bug 8000629
* @summary Temporary backbuffer in the DrawImage should not fill background
* outside of source image bounds.
* @author Sergey Bylokhov
*/
public final class IncorrectBounds {
private static final int width = 400;
private static final int height = 400;
public static void main(final String[] args) {
GraphicsEnvironment ge =
GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsConfiguration gc =
ge.getDefaultScreenDevice().getDefaultConfiguration();
VolatileImage vi = gc.createCompatibleVolatileImage(width / 4,
height / 4);
final BufferedImage bi = new BufferedImage(width, height,
BufferedImage.TYPE_INT_ARGB);
while (true) {
vi.validate(gc);
Graphics2D g2d = vi.createGraphics();
g2d.setColor(Color.green);
g2d.fillRect(0, 0, width / 4, height / 4);
g2d.dispose();
if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
try {
Thread.sleep(100);
} catch (InterruptedException ignored) {
}
continue;
}
Graphics2D g = bi.createGraphics();
g.setComposite(AlphaComposite.Src);
g.setColor(Color.red);
g.fillRect(0, 0, width, height);
// Use sx and sy outside of VI bounds.
g.drawImage(vi, 0, 0, width / 2, height / 2, 0, 0, width * 2,
height * 2, null);
g.dispose();
if (vi.contentsLost()) {
try {
Thread.sleep(100);
} catch (InterruptedException ignored) {
}
continue;
}
for (int x = 0; x < width; ++x) {
for (int y = 0; y < height; ++y) {
if (x < width / 16 && y < height / 16) {
if (bi.getRGB(x, y) != Color.green.getRGB()) {
throw new RuntimeException("Test failed.");
}
} else {
if (bi.getRGB(x, y) != Color.red.getRGB()) {
throw new RuntimeException("Test failed.");
}
}
}
}
break;
}
}
}
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