示例#1
0
 /*
  *  Create a BufferedImage for AWT components.
  *
  *  @param	 component AWT component to create image from
  *  @param	 fileName name of file to be created or null
  *  @return	image the image for the given region
  *  @exception AWTException see Robot class constructors
  *  @exception IOException if an error occurs during writing
  */
 public static BufferedImage createImage(Component component, String fileName)
     throws AWTException, IOException {
   Point p = new Point(0, 0);
   SwingUtilities.convertPointToScreen(p, component);
   Rectangle region = component.getBounds();
   region.x = p.x;
   region.y = p.y;
   return ScreenCapture.createImage(region, fileName);
 }
示例#2
0
  /*
   *  Create a BufferedImage for Swing components.
   *  The entire component will be captured to an image.
   *
   *  @param	 component Swing component to create image from
   *  @param	 fileName name of file to be created or null
   *  @return	image the image for the given region
   *  @exception IOException if an error occurs during writing
   */
  public static BufferedImage createImage(JComponent component, String fileName)
      throws IOException {
    Dimension d = component.getSize();

    if (d.width == 0) {
      d = component.getPreferredSize();
      component.setSize(d);
    }

    Rectangle region = new Rectangle(0, 0, d.width, d.height);
    return ScreenCapture.createImage(component, region, fileName);
  }
示例#3
0
 /*
  *  Create a BufferedImage for Swing components.
  *  All or part of the component can be captured to an image.
  *
  *  @param	 component Swing component to create image from
  *  @param	 region The region of the component to be captured to an image
  *  @param	 fileName name of file to be created or null
  *  @return	image the image for the given region
  *  @exception IOException if an error occurs during writing
  */
 public static BufferedImage createImage(JComponent component, Rectangle region, String fileName)
     throws IOException {
   boolean opaqueValue = component.isOpaque();
   component.setOpaque(true);
   BufferedImage image =
       new BufferedImage(region.width, region.height, BufferedImage.TYPE_INT_RGB);
   Graphics2D g2d = image.createGraphics();
   g2d.setClip(region);
   component.paint(g2d);
   g2d.dispose();
   component.setOpaque(opaqueValue);
   ScreenCapture.writeImage(image, fileName);
   return image;
 }
示例#4
0
 /**
  * Convenience method to create a BufferedImage of the desktop
  *
  * @param fileName name of file to be created or null
  * @return image the image for the given region
  * @exception AWTException see Robot class constructors
  * @exception IOException if an error occurs during writing
  */
 public static BufferedImage createDesktopImage(String fileName) throws AWTException, IOException {
   Dimension d = Toolkit.getDefaultToolkit().getScreenSize();
   Rectangle region = new Rectangle(0, 0, d.width, d.height);
   return ScreenCapture.createImage(region, fileName);
 }
示例#5
0
  public static void main(String args[]) throws Exception {
    final JFrame frame = new JFrame();
    final JTextArea textArea = new JTextArea(30, 60);
    final JScrollPane scrollPane = new JScrollPane(textArea);
    frame.getContentPane().add(scrollPane);

    JMenuBar menuBar = new JMenuBar();
    frame.setJMenuBar(menuBar);
    JMenu menu = new JMenu("File");
    ScreenCapture.createImage(menu, "menu.jpg");
    menuBar.add(menu);
    JMenuItem menuItem = new JMenuItem("Frame Image");
    menu.add(menuItem);
    menuItem.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            //  Let the menu close and repaint itself before taking the image

            new Thread() {
              public void run() {
                try {
                  Thread.sleep(50);
                  System.out.println("Creating frame.jpg");
                  frame.repaint();
                  ScreenCapture.createImage(frame, "frame.jpg");
                } catch (Exception exc) {
                  System.out.println(exc);
                }
              }
            }.start();
          };
        });

    final JButton button = new JButton("Create Images");
    button.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            try {
              System.out.println("Creating desktop.jpg");
              ScreenCapture.createDesktopImage("desktop.jpg");
              System.out.println("Creating frame.jpg");
              ScreenCapture.createImage(frame, "frame.jpg");
              System.out.println("Creating scrollpane.jpg");
              ScreenCapture.createImage(scrollPane, "scrollpane.jpg");
              System.out.println("Creating textarea.jpg");
              ScreenCapture.createImage(textArea, "textarea.jpg");
              System.out.println("Creating button.jpg");
              ScreenCapture.createImage(button, "button.jpg");
              button.setText("button refreshed");
              button.paintImmediately(button.getBounds());
              System.out.println("Creating refresh.jpg");
              ScreenCapture.createImage(button, "refresh.jpg");
              System.out.println("Creating region.jpg");
              Rectangle r = new Rectangle(0, 0, 100, 16);
              ScreenCapture.createImage(textArea, r, "region.png");
            } catch (Exception exc) {
              System.out.println(exc);
            }
          }
        });
    frame.getContentPane().add(button, BorderLayout.SOUTH);

    try {
      FileReader fr = new FileReader("ScreenCapture.java");
      BufferedReader br = new BufferedReader(fr);
      textArea.read(br, null);
      br.close();
    } catch (Exception e) {
    }

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
  }
示例#6
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 /**
  * Create a BufferedImage from a rectangular region on the screen.
  *
  * @param region region on the screen to create image from
  * @param fileName name of file to be created or null
  * @return image the image for the given region
  * @exception AWTException see Robot class constructors
  * @exception IOException if an error occurs during writing
  */
 public static BufferedImage createImage(Rectangle region, String fileName)
     throws AWTException, IOException {
   BufferedImage image = new Robot().createScreenCapture(region);
   ScreenCapture.writeImage(image, fileName);
   return image;
 }