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/*
* Copyright (c) 2014, 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.DataBuffer;
import java.awt.image.DataBufferByte;
import java.awt.image.DataBufferInt;
import java.awt.image.DataBufferShort;
import java.awt.image.VolatileImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import static java.awt.Transparency.*;
import static java.awt.image.BufferedImage.*;
/**
* @test
* @bug 8029253
* @summary Tests asymmetric source offsets when unmanaged image is drawn to VI.
* Results of the blit to compatibleImage are used for comparison.
* @author Sergey Bylokhov
*/
public final class IncorrectUnmanagedImageSourceOffset {
private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
TYPE_4BYTE_ABGR_PRE,
/*TYPE_USHORT_565_RGB,
TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
TYPE_USHORT_GRAY,*/ TYPE_BYTE_BINARY,
TYPE_BYTE_INDEXED};
private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
public static void main(final String[] args) throws IOException {
for (final int viType : TRANSPARENCIES) {
for (final int biType : TYPES) {
BufferedImage bi = makeUnmanagedBI(biType);
fill(bi);
test(bi, viType);
}
}
}
private static void test(BufferedImage bi, int type)
throws IOException {
GraphicsEnvironment ge = GraphicsEnvironment
.getLocalGraphicsEnvironment();
GraphicsConfiguration gc = ge.getDefaultScreenDevice()
.getDefaultConfiguration();
VolatileImage vi = gc.createCompatibleVolatileImage(511, 255, type);
BufferedImage gold = gc.createCompatibleImage(511, 255, type);
// draw to compatible Image
Graphics2D big = gold.createGraphics();
// force scaled blit
big.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
big.dispose();
// draw to volatile image
BufferedImage snapshot;
while (true) {
vi.validate(gc);
if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
try {
Thread.sleep(100);
} catch (final InterruptedException ignored) {
}
continue;
}
Graphics2D vig = vi.createGraphics();
// force scaled blit
vig.drawImage(bi, 7, 11, 127, 111, 7, 11, 127 * 2, 111, null);
vig.dispose();
snapshot = vi.getSnapshot();
if (vi.contentsLost()) {
try {
Thread.sleep(100);
} catch (final InterruptedException ignored) {
}
continue;
}
break;
}
// validate images
for (int x = 7; x < 127; ++x) {
for (int y = 11; y < 111; ++y) {
if (gold.getRGB(x, y) != snapshot.getRGB(x, y)) {
ImageIO.write(gold, "png", new File("gold.png"));
ImageIO.write(snapshot, "png", new File("bi.png"));
throw new RuntimeException("Test failed.");
}
}
}
}
private static BufferedImage makeUnmanagedBI(final int type) {
final BufferedImage bi = new BufferedImage(511, 255, type);
final DataBuffer db = bi.getRaster().getDataBuffer();
if (db instanceof DataBufferInt) {
((DataBufferInt) db).getData();
} else if (db instanceof DataBufferShort) {
((DataBufferShort) db).getData();
} else if (db instanceof DataBufferByte) {
((DataBufferByte) db).getData();
} else {
try {
bi.setAccelerationPriority(0.0f);
} catch (final Throwable ignored) {
}
}
return bi;
}
private static void fill(final Image image) {
final 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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