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1   /**
2    * Copyright (c) 2011, The University of Southampton and the individual contributors.
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without modification,
6    * are permitted provided that the following conditions are met:
7    *
8    *   * 	Redistributions of source code must retain the above copyright notice,
9    * 	this list of conditions and the following disclaimer.
10   *
11   *   *	Redistributions in binary form must reproduce the above copyright notice,
12   * 	this list of conditions and the following disclaimer in the documentation
13   * 	and/or other materials provided with the distribution.
14   *
15   *   *	Neither the name of the University of Southampton nor the names of its
16   * 	contributors may be used to endorse or promote products derived from this
17   * 	software without specific prior written permission.
18   *
19   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
23   * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26   * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29   */
30  package org.openimaj.demos.image.text.extraction.swt;
31  
32  import org.openimaj.image.MBFImage;
33  import org.openimaj.image.colour.RGBColour;
34  import org.openimaj.image.text.extraction.swt.LetterCandidate;
35  import org.openimaj.image.text.extraction.swt.LineCandidate;
36  import org.openimaj.image.text.extraction.swt.SWTTextDetector;
37  import org.openimaj.image.text.extraction.swt.WordCandidate;
38  import org.openimaj.video.VideoDisplay;
39  import org.openimaj.video.VideoDisplayAdapter;
40  import org.openimaj.video.capture.VideoCapture;
41  import org.openimaj.video.capture.VideoCaptureException;
42  
43  public class SWTVideoTest {
44  	public static void main(String[] args) throws VideoCaptureException {
45  		final SWTTextDetector detector = new SWTTextDetector();
46  		detector.getOptions().direction = SWTTextDetector.Direction.LightOnDark;
47  
48  		VideoDisplay.createVideoDisplay(new VideoCapture(640, 480)).addVideoListener(new VideoDisplayAdapter<MBFImage>()
49  		{
50  			@Override
51  			public void beforeUpdate(MBFImage frame) {
52  				if (frame == null)
53  					return;
54  
55  				detector.analyseImage(frame.flatten());
56  
57  				for (final LineCandidate line : detector.getLines()) {
58  					frame.drawShape(line.getRegularBoundingBox(), RGBColour.RED);
59  
60  					for (final WordCandidate wc : line.getWords()) {
61  						frame.drawShape(wc.getRegularBoundingBox(), RGBColour.BLUE);
62  
63  						for (final LetterCandidate lc : wc.getLetters())
64  							frame.drawShape(lc.getRegularBoundingBox(), RGBColour.GREEN);
65  					}
66  				}
67  			}
68  		});
69  	}
70  }