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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.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Polygon;
import java.awt.geom.AffineTransform;
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 static java.awt.Transparency.*;
import static java.awt.image.BufferedImage.*;
/*
* @test
* @bug 8029253 8059941
* @summary Unmanaged images should be drawn fast.
* @author Sergey Bylokhov
*/
public final class UnmanagedDrawImagePerformance {
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};
private static final int SIZE = 1000;
private static final AffineTransform[] TRANSFORMS = {
AffineTransform.getScaleInstance(.5, .5),
AffineTransform.getScaleInstance(1, 1),
AffineTransform.getScaleInstance(2, 2),
AffineTransform.getShearInstance(7, 11)};
public static void main(final String[] args) {
for (final AffineTransform atfm : TRANSFORMS) {
for (final int viType : TRANSPARENCIES) {
for (final int biType : TYPES) {
final BufferedImage bi = makeUnmanagedBI(biType);
final VolatileImage vi = makeVI(viType);
final long time = test(bi, vi, atfm) / 1000000000;
if (time > 1) {
throw new RuntimeException(String.format(
"drawImage is slow: %d seconds", time));
}
}
}
}
}
private static long test(Image bi, Image vi, AffineTransform atfm) {
final Polygon p = new Polygon();
p.addPoint(0, 0);
p.addPoint(SIZE, 0);
p.addPoint(0, SIZE);
p.addPoint(SIZE, SIZE);
p.addPoint(0, 0);
Graphics2D g2d = (Graphics2D) vi.getGraphics();
g2d.clip(p);
g2d.transform(atfm);
g2d.setComposite(AlphaComposite.SrcOver);
final long start = System.nanoTime();
g2d.drawImage(bi, 0, 0, null);
final long time = System.nanoTime() - start;
g2d.dispose();
return time;
}
private static VolatileImage makeVI(final int type) {
final GraphicsEnvironment ge = GraphicsEnvironment
.getLocalGraphicsEnvironment();
final GraphicsDevice gd = ge.getDefaultScreenDevice();
final GraphicsConfiguration gc = gd.getDefaultConfiguration();
return gc.createCompatibleVolatileImage(SIZE, SIZE, type);
}
private static BufferedImage makeUnmanagedBI(final int type) {
final BufferedImage img = new BufferedImage(SIZE, SIZE, type);
final DataBuffer db = img.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 {
img.setAccelerationPriority(0.0f);
} catch (final Throwable ignored) {
}
}
return img;
}
}
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