/**
* Construct the demo
*
* @param window
* @param capture
* @throws Exception
*/
public VideoColourSIFT(final JComponent window, final VideoCapture capture) throws Exception {
final int width = capture.getWidth();
final int height = capture.getHeight();
this.capture = capture;
this.polygonListener = new PolygonDrawingListener();
GridBagConstraints gbc = new GridBagConstraints();
final JLabel label =
new JLabel(
"<html><body><p>Hold an object in front of the camera, and press space. Select<br/>"
+ "the outline of the object by clicking points on the frozen video<br/>"
+ "image, and press C when you're done. Press space to start the video<br/>"
+ "again, and the object should be tracked.</p></body></html>");
gbc.gridx = 0;
gbc.gridy = 0;
gbc.gridwidth = 2;
gbc.insets = new Insets(8, 8, 8, 8);
window.add(label, gbc);
this.vidPanel = new JPanel(new GridBagLayout());
this.vidPanel.setBorder(BorderFactory.createTitledBorder("Live Video"));
this.videoFrame = VideoDisplay.createVideoDisplay(capture, this.vidPanel);
gbc = new GridBagConstraints();
gbc.gridy = 1;
gbc.gridx = 0;
gbc.gridwidth = 1;
window.add(this.vidPanel, gbc);
this.modelPanel = new JPanel(new GridBagLayout());
this.modelPanel.setBorder(BorderFactory.createTitledBorder("Model"));
this.modelFrame = new ImageComponent(true, false);
this.modelFrame.setSize(width, height);
this.modelFrame.setPreferredSize(new Dimension(width, height));
this.modelPanel.add(this.modelFrame);
gbc = new GridBagConstraints();
gbc.anchor = GridBagConstraints.PAGE_START;
gbc.gridy = 1;
gbc.gridx = 1;
window.add(this.modelPanel, gbc);
this.matchPanel = new JPanel(new GridBagLayout());
this.matchPanel.setBorder(BorderFactory.createTitledBorder("Matches"));
this.matchFrame = new ImageComponent(true, false);
this.matchFrame.setSize(width * 2, height);
this.matchFrame.setPreferredSize(new Dimension(width * 2, height));
this.matchPanel.add(this.matchFrame);
gbc = new GridBagConstraints();
gbc.anchor = GridBagConstraints.PAGE_END;
gbc.gridy = 2;
gbc.gridx = 0;
gbc.gridwidth = 2;
window.add(this.matchPanel, gbc);
this.videoFrame.getScreen().addMouseListener(this.polygonListener);
this.videoFrame.addVideoListener(this);
this.engine = new DoGColourSIFTEngine();
this.engine.getOptions().setDoubleInitialImage(false);
}
/**
* Construct with the given dimensions
*
* @param width the width
* @param height the height
* @throws VideoCaptureException
*/
public VideoCaptureComponent(int width, int height, String devName) throws VideoCaptureException {
super(BoxLayout.Y_AXIS);
this.setOpaque(false);
this.width = width;
this.height = height;
final List<Device> devices = VideoCapture.getVideoDevices();
Video<MBFImage> vc = null;
if (devices == null || devices.size() == 0) {
currentDevice = null;
final MBFImage[] frames = {new MBFImage(width, height, ColourSpace.RGB)};
frames[0].fill(RGBColour.RED);
vc = new ArrayBackedVideo<MBFImage>(frames);
} else {
for (final Device d : devices) {
if (d.getNameStr().contains(devName)) {
currentDevice = d;
break;
}
}
if (currentDevice == null) currentDevice = devices.get(0);
vc = new VideoCapture(width, height, currentDevice);
}
final JPanel videoDisplayPanel = new JPanel();
videoDisplayPanel.setMinimumSize(new Dimension(width, height));
videoDisplayPanel.setOpaque(false);
display = VideoDisplay.createVideoDisplay(vc, videoDisplayPanel);
add(videoDisplayPanel);
final JPanel sourcesPanel = new JPanel();
sourcesPanel.setOpaque(false);
sources = new JComboBox<String>();
sources.setOpaque(false);
if (devices == null || devices.size() == 0) {
sources.addItem("No cameras found");
sources.setEnabled(false);
} else {
for (final Device s : devices) sources.addItem(s.getNameStr());
}
sources.setSelectedItem(currentDevice.getNameStr());
sources.addItemListener(this);
sourcesPanel.add(sources);
add(sourcesPanel);
}
public static void main(String[] args) throws VideoCaptureException {
if (args.length == 0) {
int i = 0;
System.out.println("Usage: VideoTest device [width [height [rate]]]");
for (final Device d : VideoCapture.getVideoDevices()) {
System.out.println(i + "\t" + d.getNameStr());
i++;
}
return;
}
final Device dev = VideoCapture.getVideoDevices().get(Integer.parseInt(args[0]));
final int width = args.length > 2 ? Integer.parseInt(args[1]) : 320;
final int height = args.length > 2 ? Integer.parseInt(args[2]) : 240;
final double rate = args.length > 2 ? Double.parseDouble(args[3]) : 30;
final VideoCapture c = new VideoCapture(width, height, rate, dev);
VideoDisplay.createVideoDisplay(c);
}
@Override
public void itemStateChanged(ItemEvent event) {
if (event.getStateChange() == ItemEvent.SELECTED) {
final String item = (String) event.getItem();
final Device d = VideoCapture.getVideoDevices().get(sources.getSelectedIndex());
if (d.getNameStr().equals(item) && !currentDevice.equals(d)) {
try {
currentDevice = d;
display.setMode(Mode.STOP);
display.getVideo().close();
display.changeVideo(new VideoCapture(width, height, currentDevice));
display.setMode(Mode.PLAY);
} catch (final VideoCaptureException e) {
e.printStackTrace();
}
}
}
}
