Source Code Cross Referenced for MedianCollectionDescriptorTest.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » ca » forklabs » media » jai » operator » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » 6.0 JDK Modules » Java Advanced Imaging » ca.forklabs.media.jai.operator 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * @(#) $Header: /cvs/jai-operators/src/tests/ca/forklabs/media/jai/operator/MedianCollectionDescriptorTest.java,v 1.2 2007/08/16 21:25:15 forklabs Exp $
003:         *
004:         * Copyright (C) 2006  DIRO Daniel Léonard
005:         *
006:         * This program is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU General Public License
008:         * as published by the Free Software Foundation; either version 2
009:         * of the License, or (at your option) any later version.
010:         *
011:         * This program is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014:         * GNU General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU General Public License
017:         * along with this program; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
019:         */
020:
021:        package ca.forklabs.media.jai.operator;
022:
023:        import java.awt.RenderingHints;
024:        import java.awt.image.Raster;
025:        import java.awt.image.RenderedImage;
026:        import java.awt.image.renderable.ParameterBlock;
027:        import java.io.InputStream;
028:        import java.util.Arrays;
029:        import java.util.Collection;
030:        import java.util.LinkedList;
031:        import java.util.List;
032:        import java.util.Locale;
033:        import javax.media.jai.JAI;
034:        import javax.media.jai.RenderedOp;
035:        import com.sun.media.jai.codec.ForwardSeekableStream;
036:        import junit.framework.TestCase;
037:        import ca.forklabs.baselib.util.Algorithm;
038:        import ca.forklabs.baselib.util.Iterators;
039:        import ca.forklabs.baselib.util.UnaryFunction;
040:        import ca.forklabs.media.jai.operator.MedianCollectionDescriptor;
041:
042:        /**
043:         * Class {@code MedianCollectionDescriptorTest} tests class
044:         * {@link MedianCollectionDescriptor}.
045:         *
046:         * @author   <a href="mailto:forklabs at dev.java.net?subject=ca.forklabs.media.jai.operator.MedianCollectionDescriptorTest">Daniel Léonard</a>
047:         * @version $Revision: 1.2 $
048:         */
049:        @SuppressWarnings("nls")
050:        public class MedianCollectionDescriptorTest extends TestCase {
051:
052:            //---------------------------
053:            // Constructors
054:            //---------------------------
055:
056:            /**
057:             * Constructor.
058:             * @param   name   the name of this test.
059:             */
060:            public MedianCollectionDescriptorTest(String name) {
061:                super (name);
062:            }
063:
064:            //---------------------------
065:            // Test methods
066:            //---------------------------
067:
068:            /**
069:             * Tests the error catching in
070:             * {@link MedianCollectionDescriptor#validateSources(String, ParameterBlock, StringBuffer)}
071:             */
072:            public void testValidateBadSources() {
073:                Class<?> clazz = this .getClass();
074:                InputStream[] sources = new InputStream[] {
075:                        clazz
076:                                .getResourceAsStream("/ca/forklabs/media/jai/operator/median_collection_test_pic1.png"),
077:                        clazz
078:                                .getResourceAsStream("/ca/forklabs/media/jai/operator/median_collection_test_pic2.png"),
079:                        clazz
080:                                .getResourceAsStream("/ca/forklabs/media/jai/operator/median_collection_test_pic3.png"), };
081:
082:                assertNotNull(sources[0]);
083:                assertNotNull(sources[1]);
084:                assertNotNull(sources[2]);
085:
086:                List<RenderedImage> images = new LinkedList<RenderedImage>();
087:                Algorithm.transform(Iterators.asIterator(sources), Iterators
088:                        .backInserter(images),
089:                        new UnaryFunction<RenderedImage, InputStream>() {
090:                            public RenderedImage invoke(InputStream is) {
091:                                RenderedOp image = JAI.create("stream",
092:                                        new ParameterBlock()
093:                                                .add(new ForwardSeekableStream(
094:                                                        is)));
095:                                return image;
096:                            }
097:                        });
098:                ParameterBlock pb_one = new ParameterBlock().addSource(images
099:                        .subList(0, 1));
100:                ParameterBlock pb_single = new ParameterBlock()
101:                        .addSource(images.get(0));
102:                ParameterBlock pb_two = new ParameterBlock().addSource(images
103:                        .subList(0, 2));
104:                ParameterBlock pb_string = new ParameterBlock()
105:                        .addSource(Arrays.asList(new String[] { "hello",
106:                                "world", "!" }));
107:
108:                StringBuffer sb = new StringBuffer();
109:
110:                MedianCollectionDescriptor descriptor = new MedianCollectionDescriptor();
111:                boolean got;
112:
113:                // one source in collection - our code
114:                got = descriptor.validateSources("rendered", pb_one, sb);
115:                assertFalse(got);
116:
117:                // one source alone - checked in superclass
118:                got = descriptor.validateSources("rendered", pb_single, sb);
119:                assertFalse(got);
120:
121:                // two source in collection - our code
122:                got = descriptor.validateSources("rendered", pb_two, sb);
123:                assertTrue(got);
124:
125:                // sources not images - our code
126:                got = descriptor.validateSources("rendered", pb_string, sb);
127:                assertFalse(got);
128:                got = descriptor.validateSources("renderable", pb_string, sb);
129:                assertFalse(got);
130:            }
131:
132:            /**
133:             * Tests
134:             * {@link MedianCollectionDescriptor#create(Collection, RenderingHints)}.
135:             */
136:            public void testCreateRendered() {
137:                Class<?> clazz = this .getClass();
138:                InputStream[] sources = new InputStream[] {
139:                        clazz
140:                                .getResourceAsStream("/ca/forklabs/media/jai/operator/median_collection_test_pic1.png"),
141:                        clazz
142:                                .getResourceAsStream("/ca/forklabs/media/jai/operator/median_collection_test_pic2.png"),
143:                        clazz
144:                                .getResourceAsStream("/ca/forklabs/media/jai/operator/median_collection_test_pic3.png"), };
145:
146:                assertNotNull(sources[0]);
147:                assertNotNull(sources[1]);
148:                assertNotNull(sources[2]);
149:
150:                List<RenderedImage> images = new LinkedList<RenderedImage>();
151:                Algorithm.transform(Iterators.asIterator(sources), Iterators
152:                        .backInserter(images),
153:                        new UnaryFunction<RenderedImage, InputStream>() {
154:                            public RenderedImage invoke(InputStream is) {
155:                                RenderedOp image = JAI.create("stream",
156:                                        new ParameterBlock()
157:                                                .add(new ForwardSeekableStream(
158:                                                        is)));
159:                                return image;
160:                            }
161:                        });
162:
163:                RenderedOp median = MedianCollectionDescriptor.create(images,
164:                        null);
165:
166:                Raster raster = median.getData();
167:
168:                assertEquals(0, raster.getMinX());
169:                assertEquals(0, raster.getMinY());
170:                assertEquals(4, raster.getWidth());
171:                assertEquals(4, raster.getHeight());
172:                assertEquals(3, raster.getNumBands());
173:
174:                int[] red = new int[] { 255, 0, 0 };
175:                int[] purple = new int[] { 255, 0, 255 };
176:                int[] pixels = new int[3];
177:
178:                assertTrue(Arrays.equals(red, raster.getPixel(0, 0, pixels)));
179:                assertTrue(Arrays.equals(red, raster.getPixel(1, 0, pixels)));
180:                assertTrue(Arrays.equals(red, raster.getPixel(2, 0, pixels)));
181:                assertTrue(Arrays.equals(red, raster.getPixel(3, 0, pixels)));
182:
183:                assertTrue(Arrays.equals(red, raster.getPixel(0, 1, pixels)));
184:                assertTrue(Arrays.equals(purple, raster.getPixel(1, 1, pixels)));
185:                assertTrue(Arrays.equals(purple, raster.getPixel(2, 1, pixels)));
186:                assertTrue(Arrays.equals(red, raster.getPixel(3, 1, pixels)));
187:
188:                assertTrue(Arrays.equals(red, raster.getPixel(0, 2, pixels)));
189:                assertTrue(Arrays.equals(purple, raster.getPixel(1, 2, pixels)));
190:                assertTrue(Arrays.equals(purple, raster.getPixel(2, 2, pixels)));
191:                assertTrue(Arrays.equals(red, raster.getPixel(3, 2, pixels)));
192:
193:                assertTrue(Arrays.equals(red, raster.getPixel(0, 3, pixels)));
194:                assertTrue(Arrays.equals(red, raster.getPixel(1, 3, pixels)));
195:                assertTrue(Arrays.equals(red, raster.getPixel(2, 3, pixels)));
196:                assertTrue(Arrays.equals(red, raster.getPixel(3, 3, pixels)));
197:            }
198:
199:            /**
200:             * Tests the English messages.
201:             */
202:            public void testEnglishMessages() {
203:                Locale locale = Locale.getDefault();
204:                Locale.setDefault(Locale.ENGLISH);
205:
206:                try {
207:                    String[] expected = new String[] {
208:                            "Calculates the median of a collection of images",
209:                            "MedianCollection requires the source collection to have at least 2 elements", };
210:
211:                    MedianCollectionDescriptor descriptor = new MedianCollectionDescriptor();
212:                    String[] got = new String[] {
213:                            MedianCollectionDescriptor
214:                                    .getMedianCollectionDescription(),
215:                            descriptor.getBadCardinalityErrorMessage(), };
216:
217:                    assertEquals(expected.length, got.length);
218:
219:                    for (int i = 0; i < expected.length; i++) {
220:                        assertEquals("[" + i + "]", expected[i], got[i]);
221:                    }
222:                } finally {
223:                    Locale.setDefault(locale);
224:                }
225:            }
226:
227:            /**
228:             * Tests the French messages.
229:             */
230:            public void testFrenchMessages() {
231:                Locale locale = Locale.getDefault();
232:                Locale.setDefault(Locale.FRENCH);
233:
234:                try {
235:                    String[] expected = new String[] {
236:                            "Calcule la médiane d'une collection d'image",
237:                            "L'opération MedianCollection requière que la collection source ait au moins 2 images", };
238:
239:                    MedianCollectionDescriptor descriptor = new MedianCollectionDescriptor();
240:                    String[] got = new String[] {
241:                            MedianCollectionDescriptor
242:                                    .getMedianCollectionDescription(),
243:                            descriptor.getBadCardinalityErrorMessage(), };
244:
245:                    assertEquals(expected.length, got.length);
246:
247:                    for (int i = 0; i < expected.length; i++) {
248:                        assertEquals("[" + i + "]", expected[i], got[i]);
249:                    }
250:                } finally {
251:                    Locale.setDefault(locale);
252:                }
253:            }
254:
255:            //---------------------------
256:            // Class methods
257:            //---------------------------
258:
259:            /**
260:             * Runs only this test.
261:             * @param   args   ignored.
262:             */
263:            public static void main(String... args) {
264:                junit.swingui.TestRunner
265:                        .run(MedianCollectionDescriptorTest.class);
266:            }
267:
268:        }
269:
270:        /*
271:         * $Log: MedianCollectionDescriptorTest.java,v $
272:         * Revision 1.2  2007/08/16 21:25:15  forklabs
273:         * Added license.
274:         *
275:         * Revision 1.1  2007/06/13 18:56:36  forklabs
276:         * Operator mediancollection.
277:         *
278:         */
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.