java摄像头截图

本是古典何须时尚 2022-08-07 02:57 172阅读 0赞

*  package com.pengo.capture;  
 *    
 *  import java.awt.BorderLayout;  
 *  import java.awt.Dimension;  
 *  import java.awt.Graphics2D;  
 *  import java.awt.event.ActionEvent;  
 *  import java.awt.event.ActionListener;  
 *  import java.awt.image.BufferedImage;  
 *  import java.io.File;  
 *  import java.io.IOException;  
 *  import javax.imageio.ImageIO;  
 *  import javax.media.MediaLocator;  
 *  import javax.swing.JButton;  
 *  import javax.swing.JFrame;  
 *  import javax.swing.JPanel;  
 *  import javax.swing.JTextField;  
 *  import net.sf.fmj.ui.application.CaptureDeviceBrowser;  
 *  import net.sf.fmj.ui.application.ContainerPlayer;  
 *  import net.sf.fmj.ui.application.PlayerPanelPrefs;  
 *    
 *  public class CameraFrame extends JFrame\{  
 *      private static int num = 0;  
 *      public CameraFrame() throws Exception\{  
 *          this.setTitle("摄像头截图应用");  
 *          this.setSize(480, 500);  
 *          this.setDefaultCloseOperation(JFrame.EXIT\_ON\_CLOSE);  
 *          final JPanel cameraPanel = new JPanel();  
 *          this.getContentPane().setLayout(new BorderLayout());  
 *          this.getContentPane().add(cameraPanel, BorderLayout.CENTER);  
 *          ContainerPlayer containerPlayer = new ContainerPlayer(cameraPanel);  
 *          MediaLocator locator = CaptureDeviceBrowser.run(null);   //弹出摄像头设备选择  
 *            
 *  //        MediaLocator locator = null;  
 *  //        GlobalCaptureDevicePlugger.addCaptureDevices();  
 *  //        Vector vectorDevices = CaptureDeviceManager.getDeviceList(null);  
 *  //        if (vectorDevices == null || vectorDevices.size() == 0)  
 *  //        \{   
 *  //            System.out.println("没有摄像头===");  
 *  //            return;  
 *  //        \}  
 *  //        //选择第一个摄像头设备  
 *  //        for ( int i = 0;  i < vectorDevices.size();  i++ )   
 *  //        \{   
 *  //            CaptureDeviceInfo infoCaptureDevice = (CaptureDeviceInfo) vectorDevices.get(i);  
 *  //            System.out.println("设备名===============" + infoCaptureDevice.getName());  
 *  //            //选择第一个设备为程序使用,如果存在多个设备时，则第一个可能不是摄像头  
 *  //            locator = infoCaptureDevice.getLocator();  
 *  //            break;  
 *  //        \}  
 *    
 *          PlayerPanelPrefs prefs = new PlayerPanelPrefs();  
 *          containerPlayer.setMediaLocation(locator.toExternalForm(), prefs.autoPlay);  
 *            
 *          JPanel btnPanel = new JPanel(new BorderLayout());  
 *          final JTextField path = new JTextField("E:\\\\camera");  
 *          path.setColumns(30);  
 *          btnPanel.add(path, BorderLayout.WEST);  
 *          JButton okBtn = new JButton("截图");  
 *          okBtn.addActionListener(new ActionListener()\{  
 *               public void actionPerformed(ActionEvent e)\{  
 *                   Dimension imageSize = cameraPanel.getSize();  
 *                      BufferedImage image = new BufferedImage(imageSize.width,  
 *                              imageSize.height, BufferedImage.TYPE\_INT\_ARGB);  
 *                      Graphics2D g = image.createGraphics();  
 *                      cameraPanel.paint(g);  
 *                      g.dispose();  
 *                      try \{  
 *                   
 *                          String filePath = path.getText();  
 *                          File file = new File(filePath);  
 *                          if(file.exists() == false)\{  
 *                              file.mkdirs();  
 *                          \}  
 *                          ImageIO.write(image, "png", new File(file.getAbsolutePath() + "/" + num + ".png"));  
 *                          num++;  
 *                      \} catch (IOException ex) \{  
 *                          ex.printStackTrace();  
 *                           
 *                      \}  
 *               \}  
 *          \});  
 *          btnPanel.add(okBtn, BorderLayout.EAST);  
 *          this.getContentPane().add(btnPanel, BorderLayout.SOUTH);  
 *      \}  
 *        
 *      public static void main(String\[\] args) throws Exception\{  
 *          CameraFrame camera = new CameraFrame();  
 *          camera.setVisible(true);  
 *      \}  
 *  \}