java_eclipse开发照相机的应用程序

import javax.media.Player; import javax.media.CaptureDeviceInfo; import javax.media.MediaLocator; import javax.swing.*; import java.awt.*; import java.awt.image.*; import java.awt.event.*; import javax.media.control.FrameGrabbingControl; import javax.media.Buffer; import javax.media.util.BufferToImage; import javax.media.format.VideoFormat; import java.io.*; import com.sun.image.codec.jpeg.*; import javax.media.CaptureDeviceManager; import javax.media.Manager; import java.applet.*; public class Camera extends JFrame { /** * */ private static final long serialVersionUID = 1L; /** * @param args * */ private static Player player = null; private CaptureDeviceInfo device = null; private MediaLocator locator = null; private Buffer buffer = null; private BufferToImage b2i = null; private Image image; private ImageIcon iicon = new ImageIcon(); boolean proportion = true; String str1 = "vfw:Logitech USB Video Camera:0"; String str2 = "vfw:Microsoft WDM Image Capture (Win32):0"; JButton jButton1 = new JButton(); JButton jButton2 = new JButton(); Component component1; JLabel jLabel1 = new JLabel(); public Camera(){ super("我的摄像头"); try{ jbInit(); }catch (Exception e){e.printStackTrace();}; } /* public Image resize(int width,int height,Image source,boolean flag){ this.proportion = flag; int new_w; int new_h; Toolkit tk = Toolkit.getDefaultToolkit(); Applet app = new Applet(); MediaTracker mt = new MediaTracker(app); Image img = source; try { mt.addImage(img, 0); mt.waitForID(0); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } if(img.getWidth(null)!=-1){ System.out.println("can't read,retry!"); return null; }else{ if(this.proportion==true){ double rate1 = ((double)img.getWidth(null))/(double)width+0.1; double rate2 = ((double)img.getHeight(null))/(double)height+0.1; double rate = rate1>rate2?rate1:rate2; new_w=(int)(((double)img.getWidth(null))/rate); new_h=(int)(((double)img.getHeight(null))/rate); } else{ new_w = width;//输出的图片宽度 new_h = height;//输出的图片高度 } } BufferedImage buffImg = new BufferedImage(new_w,new_h,BufferedImage.TYPE_INT_RGB); Graphics g = buffImg.createGraphics(); g.setColor(Color.white); g.fillRect(0, 0, new_w, new_h); g.drawImage(img,0,0,new_w,new_h,null); g.dispose(); try { OutputStream tempout = new FileOutputStream("C:\\temp.jpg"); JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(tempout); encoder.encode(buffImg); tempout.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return tk.createImage("C:\\temp.jpg"); } */ private void jbInit() throws Exception { // TODO Auto-generated method stub component1 = Box.createGlue(); component1.addNotify(); device = CaptureDeviceManager.getDevice(str2); locator = device.getLocator(); try{ player = Manager.createRealizedPlayer(locator); player.start(); if((component1 = player.getVisualComponent())!=null){ this.getContentPane().add(component1,null); } }catch (Exception e){e.printStackTrace();} jButton1.setBounds(new Rectangle(340,30,73,25)); jButton1.setText("拍照"); jButton1.addActionListener(new Camera_jButton1_actionAdapter(this)); this.getContentPane().setLayout(null); jButton2.setText("保存"); jButton2.addActionListener(new Camera_jButton2_actionAdapter(this)); component1.setBounds(new Rectangle(10,10,320,240)); jLabel1.setIconTextGap(4); jLabel1.setText("空"); jLabel1.setVerticalTextPosition(SwingConstants.CENTER); jLabel1.setBounds(new Rectangle(10,250,320,240)); this.getContentPane().add(jLabel1,null); this.getContentPane().add(jButton1,null); this.getContentPane().add(jButton2,null); jButton2.setBounds(new Rectangle(340,80,73,25)); this.setSize(450,600); this.setVisible(true); } void jButton1_actionPerFormed(ActionEvent e){ iicon = new ImageIcon(); FrameGrabbingControl fgc = (FrameGrabbingControl)player.getControl("javax.media.control.FrameGrabbingControl"); buffer = fgc.grabFrame(); b2i = new BufferToImage((VideoFormat)buffer.getFormat()); image = b2i.createImage(buffer); iicon = new ImageIcon(); // iicon.setImage(this.resize(320, 240, image, true)); jLabel1.setIcon(iicon); } void jButton2_actionPerFormed(ActionEvent e){ JFileChooser filechooser = new JFileChooser(); filechooser.setFileHidingEnabled(true); filechooser.setFileSelectionMode(JFileChooser.FILES_ONLY); int result = filechooser.showSaveDialog(null); if(result == JFileChooser.CANCEL_OPTION){ return ; } File file = filechooser.getSelectedFile(); if(file==null||file.getName().equals("")){ JOptionPane.showMessageDialog(null, "无效的文件名","警告",JOptionPane.ERROR_MESSAGE); } else { String s = file.getAbsolutePath(); BufferedImage bi = (BufferedImage)createImage(image.getWidth(null),image.getHeight(null)); Graphics2D g2 = bi.createGraphics(); g2.drawImage(image,null,null); FileOutputStream out = null; try { out = new FileOutputStream(s); } catch (FileNotFoundException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out); JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi); param.setQuality(1f, false); encoder.setJPEGEncodeParam(param); try { encoder.encode(bi); out.close(); } catch (ImageFormatException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (IOException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } } public static void main(String[] args) { // TODO Auto-generated method stub Camera camera1 = new Camera(); } } class Camera_jButton1_actionAdapter implements java.awt.event.ActionListener{ Camera adaptee; Camera_jButton1_actionAdapter(Camera adaptee){ this.adaptee=adaptee; } @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub adaptee.jButton1_actionPerFormed(e); } } class Camera_jButton2_actionAdapter implements java.awt.event.ActionListener{ Camera adaptee; Camera_jButton2_actionAdapter(Camera adaptee){ this.adaptee=adaptee; } @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub adaptee.jButton2_actionPerFormed(e); } }