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package vision;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Panel;
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.RenderedImage;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.imageio.ImageIO;
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;
/**
* @author
*/
public class eCamVison extends Panel implements ActionListener {
public Player player;
public CaptureDeviceInfo di;
public MediaLocator ml;
public Buffer buf;
public Image img;
public VideoFormat vf;
public BufferToImage btoi;
public BufferedImage bi;
public FrameGrabbingControl fgc;
public ImagePanel imgpanel;
class ImagePanel extends Panel {
public Image myimg;
public ImagePanel() {
setLayout(null);
setSize(320, 240);
}
@Override
public void paint(Graphics g) {
if (myimg != null) {
g.drawImage(myimg, 0, 0, this);
}
}
public void setImage(Image img) {
this.myimg = img;
repaint();
}
}
public static void main(String[] args) throws InterruptedException, IOException {
Frame f = new Frame("iVision");
final eCamVison ecv = new eCamVison();
f.addWindowListener(new WindowAdapter() {
@Override
public void windowClosing(WindowEvent e) {
ecv.playerclose();
System.exit(0);
}
});
f.dispose();
f.add("Center", ecv);
f.pack();
f.setVisible(true);
ecv.capture();
ecv.playerclose();
ecv.exit();
}
public eCamVison() {
setLayout(new BorderLayout());
imgpanel = new ImagePanel();
try {
CaptureDeviceInfo deviceInfo = CaptureDeviceManager.getDevice(""
+ "vfw:Microsoft WDM Image Capture (Win32):0");
//CaptureDeviceManager.commit();
System.out.println("video / Device name is: " +
deviceInfo.getName());
System.out.println("video / Device supported formats are: " +
deviceInfo.getFormats());
player = Manager.createRealizedPlayer(deviceInfo.getLocator());
player.start();
Component comp = player.getVisualComponent();
if (comp != null) {
add(comp, BorderLayout.NORTH);
}
add(imgpanel, BorderLayout.SOUTH);
}
catch (Exception e) {
System.out.println("capture device not found");
System.err.println(e.getMessage());
}
}
public void actionPerformed(ActionEvent e) {
}
public void savePNG(Image img, String s) throws IOException {
bi = new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB_PRE);
Graphics2D g2 = bi.createGraphics();
g2.drawImage(img, null, null);
FileOutputStream out;
try {
out = new FileOutputStream(s);
boolean write = ImageIO.write((RenderedImage) img, "png", out);
try {
out.close();
}
catch (java.io.IOException io) {
System.out.println("IOException");
System.err.println(io.getMessage());
}
}
catch (java.io.FileNotFoundException fnf) {
System.out.println("File Not Found");
System.err.println(fnf.getMessage());
}
}
public void capture() throws IOException, InterruptedException {
// Grab a frame
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);
// show the image
imgpanel.setImage(img);
try {
// save image
savePNG(img, "test.png");
} catch (IOException ex) {
Logger.getLogger(eCamVison.class.getName()).log(Level.SEVERE, null, ex);
}
}
public void playerclose() {
player.close();
player.deallocate();
}
public void exit() {
System.exit(0);
}
} |
