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/*
* Copyright (c) 2014, 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;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/**
* @test
* @key headful
* @bug 8041129
* @summary Tests asymmetric source offsets.
* @author Sergey Bylokhov
*/
public final class IncorrectSourceOffset {
public static void main(final String[] args) throws IOException {
GraphicsEnvironment ge = GraphicsEnvironment
.getLocalGraphicsEnvironment();
GraphicsConfiguration gc = ge.getDefaultScreenDevice()
.getDefaultConfiguration();
VolatileImage vi = gc.createCompatibleVolatileImage(511, 255);
BufferedImage bi = new BufferedImage(511, 255,
BufferedImage.TYPE_INT_ARGB);
BufferedImage gold = new BufferedImage(511, 255,
BufferedImage.TYPE_INT_ARGB);
fill(gold);
while (true) {
vi.validate(gc);
fill(vi);
if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
try {
Thread.sleep(100);
} catch (final InterruptedException ignored) {
}
continue;
}
Graphics2D big = bi.createGraphics();
big.drawImage(vi, 7, 11, 127, 111, 7, 11, 127, 111, null);
big.dispose();
if (vi.contentsLost()) {
try {
Thread.sleep(100);
} catch (final InterruptedException ignored) {
}
continue;
}
break;
}
for (int x = 7; x < 127; ++x) {
for (int y = 11; y < 111; ++y) {
if (gold.getRGB(x, y) != bi.getRGB(x, y)) {
ImageIO.write(gold, "png", new File("gold.png"));
ImageIO.write(bi, "png", new File("bi.png"));
throw new RuntimeException("Test failed.");
}
}
}
}
private static void fill(Image image) {
Graphics2D graphics = (Graphics2D) image.getGraphics();
graphics.setComposite(AlphaComposite.Src);
for (int i = 0; i < image.getHeight(null); ++i) {
graphics.setColor(new Color(i, 0, 0));
graphics.fillRect(0, i, image.getWidth(null), 1);
}
graphics.dispose();
}
}
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