1 /*
2  * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.
8  *
9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 import java.awt.AlphaComposite;
25 import java.awt.Graphics2D;
26 import java.awt.GraphicsConfiguration;
27 import java.awt.GraphicsDevice;
28 import java.awt.GraphicsEnvironment;
29 import java.awt.Image;
30 import java.awt.Polygon;
31 import java.awt.geom.AffineTransform;
32 import java.awt.image.BufferedImage;
33 import java.awt.image.DataBuffer;
34 import java.awt.image.DataBufferByte;
35 import java.awt.image.DataBufferInt;
36 import java.awt.image.DataBufferShort;
37 import java.awt.image.VolatileImage;
38 
39 import static java.awt.Transparency.*;
40 import static java.awt.image.BufferedImage.*;
41 
42 /*
43  * @test
44  * @key headful
45  * @bug 8029253 8059941
46  * @summary Unmanaged images should be drawn fast.
47  * @author Sergey Bylokhov
48  */
49 public final class UnmanagedDrawImagePerformance {
50 
51     private static final int[] TYPES = {TYPE_INT_RGB, TYPE_INT_ARGB,
52                                         TYPE_INT_ARGB_PRE, TYPE_INT_BGR,
53                                         TYPE_3BYTE_BGR, TYPE_4BYTE_ABGR,
54                                         TYPE_4BYTE_ABGR_PRE,
55                                         TYPE_USHORT_565_RGB,
56                                         TYPE_USHORT_555_RGB, TYPE_BYTE_GRAY,
57                                         TYPE_USHORT_GRAY, TYPE_BYTE_BINARY,
58                                         TYPE_BYTE_INDEXED};
59     private static final int[] TRANSPARENCIES = {OPAQUE, BITMASK, TRANSLUCENT};
60     private static final int SIZE = 1000;
61     private static final AffineTransform[] TRANSFORMS = {
62             AffineTransform.getScaleInstance(.5, .5),
63             AffineTransform.getScaleInstance(1, 1),
64             AffineTransform.getScaleInstance(2, 2),
65             AffineTransform.getShearInstance(7, 11)};
66 
main(final String[] args)67     public static void main(final String[] args) {
68         for (final AffineTransform atfm : TRANSFORMS) {
69             for (final int viType : TRANSPARENCIES) {
70                 for (final int biType : TYPES) {
71                     final BufferedImage bi = makeUnmanagedBI(biType);
72                     final VolatileImage vi = makeVI(viType);
73                     final long time = test(bi, vi, atfm) / 1000000000;
74                     if (time > 1) {
75                         throw new RuntimeException(String.format(
76                                 "drawImage is slow: %d seconds", time));
77                     }
78                 }
79             }
80         }
81     }
82 
test(Image bi, Image vi, AffineTransform atfm)83     private static long test(Image bi, Image vi, AffineTransform atfm) {
84         final Polygon p = new Polygon();
85         p.addPoint(0, 0);
86         p.addPoint(SIZE, 0);
87         p.addPoint(0, SIZE);
88         p.addPoint(SIZE, SIZE);
89         p.addPoint(0, 0);
90         Graphics2D g2d = (Graphics2D) vi.getGraphics();
91         g2d.clip(p);
92         g2d.transform(atfm);
93         g2d.setComposite(AlphaComposite.SrcOver);
94         final long start = System.nanoTime();
95         g2d.drawImage(bi, 0, 0, null);
96         final long time = System.nanoTime() - start;
97         g2d.dispose();
98         return time;
99     }
100 
makeVI(final int type)101     private static VolatileImage makeVI(final int type) {
102         final GraphicsEnvironment ge = GraphicsEnvironment
103                 .getLocalGraphicsEnvironment();
104         final GraphicsDevice gd = ge.getDefaultScreenDevice();
105         final GraphicsConfiguration gc = gd.getDefaultConfiguration();
106         return gc.createCompatibleVolatileImage(SIZE, SIZE, type);
107     }
108 
makeUnmanagedBI(final int type)109     private static BufferedImage makeUnmanagedBI(final int type) {
110         final BufferedImage img = new BufferedImage(SIZE, SIZE, type);
111         final DataBuffer db = img.getRaster().getDataBuffer();
112         if (db instanceof DataBufferInt) {
113             ((DataBufferInt) db).getData();
114         } else if (db instanceof DataBufferShort) {
115             ((DataBufferShort) db).getData();
116         } else if (db instanceof DataBufferByte) {
117             ((DataBufferByte) db).getData();
118         } else {
119             try {
120                 img.setAccelerationPriority(0.0f);
121             } catch (final Throwable ignored) {
122             }
123         }
124         return img;
125     }
126 }
127