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| import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Frame;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Panel;
import java.awt.color.ColorSpace;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ColorConvertOp;
import java.io.FileOutputStream;
import javax.media.Buffer;
import javax.media.CaptureDeviceInfo;
import javax.media.CaptureDeviceManager;
import javax.media.Manager;
import javax.media.MediaLocator;
import javax.media.Player;
import javax.media.control.FrameGrabbingControl;
import javax.media.format.VideoFormat;
import javax.media.util.BufferToImage;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPanel;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
public class SwingCapture extends Panel implements ActionListener {
private static final long serialVersionUID = 1L;
public Player player = null;
public CaptureDeviceInfo di = null;
public MediaLocator ml = null;
public JButton capture = null;
public Buffer buf = null;
public Image img = null;
public VideoFormat vf = null;
public BufferToImage btoi = null;
public ImagePanel imgpanel = null;
public ImagePanel imgpanelout = null;
public SwingCapture() {
setLayout(new BorderLayout());
imgpanel = new ImagePanel();
imgpanelout = new ImagePanel();
capture = new JButton("Capture");
capture.addActionListener(this);
try {
CaptureDeviceInfo deviceInfo = CaptureDeviceManager
.getDevice("vfw:Microsoft WDM Image Capture (Win32):0");
player = Manager.createRealizedPlayer(deviceInfo.getLocator());
player.start();
Component comp = player.getVisualComponent();
if (comp != null) {
add(comp, BorderLayout.WEST);
}
add(capture, BorderLayout.CENTER);
JPanel out = new JPanel();
out.add(imgpanel, BorderLayout.CENTER);
out.add(imgpanelout, BorderLayout.SOUTH);
add(out, BorderLayout.EAST);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void saveJPG(Image img, String s) {
BufferedImage bi = new BufferedImage(img.getWidth(null), img
.getHeight(null), BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = bi.createGraphics();
g2.drawImage(img, null, null);
FileOutputStream out = null;
try {
out = new FileOutputStream(s);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
param.setQuality(0.5f, false);
encoder.setJPEGEncodeParam(param);
try {
encoder.encode(bi);
out.close();
} catch (java.io.IOException io) {
System.out.println("IOException");
}
} catch (java.io.FileNotFoundException io) {
System.out.println("File Not Found");
}
}
public void actionPerformed(ActionEvent e) {
JComponent c = (JComponent) e.getSource();
if (c == capture) {
// Grab a frame
FrameGrabbingControl fgc = (FrameGrabbingControl) player
.getControl("javax.media.control.FrameGrabbingControl");
buf = fgc.grabFrame();
// Convert it to an image
btoi = new BufferToImage((VideoFormat) buf.getFormat());
img = btoi.createImage(buf);
img = convertToGrayscale((BufferedImage) img);
imgpanel.setImage(img);
saveJPG(img, "test.jpg");
}
}
public void playerclose() {
player.close();
player.deallocate();
}
public BufferedImage convertToGrayscale(BufferedImage source) {
BufferedImageOp op = new ColorConvertOp(ColorSpace
.getInstance(ColorSpace.CS_GRAY), null);
return op.filter(source, null);
}
public static void main(String[] args) {
Frame f = new Frame("SwingCapture");
final SwingCapture cf = new SwingCapture();
f.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
cf.playerclose();
System.exit(0);
}
});
f.add("Center", cf);
f.pack();
f.setVisible(true);
}
} |
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