MlibOpsTest.java revision 9330:8b1f1c2a400f 
1/*
2 * Copyright (c) 2007, 2013, 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/*
25 * @test
26 * @bug     6556332 8011992 8012112
27 * @summary Test verifies that on-demnad loading of medialib library does
28 *          not break imageing ops based on this library.
29 * @run     main MlibOpsTest
30 * @run     main/othervm/policy=mlib.security.policy MlibOpsTest
31 */
32
33
34import java.awt.Color;
35import java.awt.Graphics2D;
36import java.awt.RadialGradientPaint;
37import java.awt.geom.AffineTransform;
38import java.awt.geom.Point2D;
39import java.awt.image.AffineTransformOp;
40import java.awt.image.BufferedImage;
41import java.awt.image.BufferedImageOp;
42import java.awt.image.ByteLookupTable;
43import java.awt.image.ConvolveOp;
44import java.awt.image.Kernel;
45import java.awt.image.LookupOp;
46import java.util.Arrays;
47
48import sun.awt.image.ImagingLib;
49
50public class MlibOpsTest {
51
52    public static void main(String[] args) {
53        System.out.println("AffineTransformOp:");
54        BufferedImageOp op = getAffineTransformOp();
55        doTest(op);
56
57        System.out.println("ConvolveOp:");
58        op = getConvolveOp();
59        doTest(op);
60
61        System.out.println("LookupOp:");
62        op = getLookupOp();
63        doTest(op);
64    }
65
66    public static void doTest(BufferedImageOp op) {
67        BufferedImage src = createSrcImage();
68        BufferedImage dst = createImage();
69        BufferedImage ret = null;
70        try {
71            ret = ImagingLib.filter(op, src, dst);
72        } catch (Exception e) {
73            throw new RuntimeException("Test FAILED.", e);
74        }
75        if (ret == null) {
76            throw new RuntimeException("Test FAILED: null output");
77        }
78
79        System.out.println("ret: " + ret);
80        System.out.println("Test PASSED for " + op.getClass().getName());
81    }
82
83    private static BufferedImageOp getAffineTransformOp() {
84        AffineTransform at = new AffineTransform();
85       return new AffineTransformOp(at,
86                                    AffineTransformOp.TYPE_BICUBIC);
87    }
88
89    private static BufferedImageOp getConvolveOp() {
90        int kw = 3;
91        int kh = 3;
92        int size = kw * kh;
93        float[] kdata = new float[size];
94        Arrays.fill(kdata, 1.0f / size);
95
96        Kernel k  = new Kernel(kw, kh, kdata);
97        return new ConvolveOp(k);
98    }
99
100    private static BufferedImageOp getLookupOp() {
101        byte[] inv = new byte[256];
102        for (int i = 0; i < 256; i++) {
103            inv[i] = (byte)(255 - i);
104        }
105        ByteLookupTable table = new ByteLookupTable(0, inv);
106        return new LookupOp(table, null);
107    }
108
109
110    private static int w = 100;
111    private static int h = 100;
112
113    private static BufferedImage createImage() {
114        return new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
115    }
116
117    private static BufferedImage createSrcImage() {
118        BufferedImage img = createImage();
119
120        Graphics2D g = img.createGraphics();
121        Color[] colors = { Color.red, Color.green, Color.blue };
122        float[] dist = {0.0f, 0.5f, 1.0f };
123        Point2D center = new Point2D.Float(0.5f * w, 0.5f * h);
124
125        RadialGradientPaint p =
126                new RadialGradientPaint(center, 0.5f * w, dist, colors);
127        g.setPaint(p);
128        g.fillRect(0, 0, w, h);
129        g.dispose();
130
131        return img;
132    }
133}
134