01: /*
02: * Copyright (c) 2005-2008 Substance Kirill Grouchnikov. All Rights Reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * o Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * o Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * o Neither the name of Substance Kirill Grouchnikov nor the names of
15: * its contributors may be used to endorse or promote products derived
16: * from this software without specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20: * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
22: * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
23: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
25: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27: * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28: * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29: */
30: package org.jvnet.substance.watermark;
31:
32: import org.jvnet.substance.painter.noise.*;
33:
34: /**
35: * Noise-base implementation of
36: * {@link org.jvnet.substance.watermark.SubstanceWatermark}, that imitates
37: * magnetic field. This class is part of officially supported API.
38: *
39: * @author Kirill Grouchnikov
40: */
41: public class SubstanceMagneticFieldWatermark extends
42: SubstanceNoiseWatermark {
43: /**
44: * Creates a new magnetic field watermark.
45: */
46: public SubstanceMagneticFieldWatermark() {
47: super (SubstanceMagneticFieldWatermark.getName(), 0.01, 0.01,
48: false, new CompoundNoiseFilter(new WoodFilter(15.0),
49: new MedianBeakFilter()), true);
50: }
51:
52: /**
53: * Returns the name of all watermarks of <code>this</code> class.
54: *
55: * @return The name of all watermarks of <code>this</code> class.
56: */
57: public static String getName() {
58: return "Magnetic Field";
59: }
60: }
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