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| /**
*
* @author found on the web
*/
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Dimension;
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.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 com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;
public class WebcamCapture extends Panel implements ActionListener {
public static 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 WebcamCapture() {
setLayout(new BorderLayout());
setSize(320, 550);
imgpanel = new ImagePanel();
capture = new JButton("Capture");
capture.addActionListener(this);
String str1 = "vfw:Logitech USB Video Camera:0";
String str2 = "vfw:Microsoft WDM Image Capture (Win32):0";
di = CaptureDeviceManager.getDevice(str2);
ml = new MediaLocator("vfw://0");
try {
player = Manager.createRealizedPlayer(ml);
player.start();
Component comp;
if ((comp = player.getVisualComponent()) != null) {
add(comp, BorderLayout.NORTH);
}
add(capture, BorderLayout.CENTER);
add(imgpanel, BorderLayout.SOUTH);
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
Frame f = new Frame("Webcam Capture");
WebcamCapture cf = new WebcamCapture();
f.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
playerclose();
System.exit(0);
}});
f.add("Center", cf);
f.pack();
f.setSize(new Dimension(320, 550));
f.setVisible(true);
}
public static void playerclose() {
player.close();
player.deallocate();
}
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);
// show the image
imgpanel.setImage(img);
// save image
saveJPG(img, "c:\\test.jpg");
}
}
class ImagePanel extends Panel {
public Image myimg = null;
public ImagePanel() {
setLayout(null);
setSize(320, 240);
}
public void setImage(Image img) {
this.myimg = img;
repaint();
}
public void paint(Graphics g) {
if (myimg != null) {
g.drawImage(myimg, 0, 0, this);
}
}
}
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);
} catch (java.io.FileNotFoundException io) {
System.out.println("File Not Found");
}
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
param.setQuality(1.0f, false);
encoder.setJPEGEncodeParam(param);
try {
encoder.encode(bi);
out.close();
} catch (java.io.IOException io) {
System.out.println("IOException");
}
}
} |
Prendre une photo à partir de la webcam en Java
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