1 /*

     2  * CDDL HEADER START

     3  *

     4  * The contents of this file are subject to the terms of the

     5  * Common Development and Distribution License (the "License").

     6  * You may not use this file except in compliance with the License.

     7  *

     8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

     9  * or http://www.opensolaris.org/os/licensing.

    10  * See the License for the specific language governing permissions

    11  * and limitations under the License.

    12  *

    13  * When distributing Covered Code, include this CDDL HEADER in each

    14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

    15  * If applicable, add the following below this CDDL HEADER, with the

    16  * fields enclosed by brackets "[]" replaced with your own identifying

    17  * information: Portions Copyright [yyyy] [name of copyright owner]

    18  *

    19  * CDDL HEADER END

    20  */

    21 

    22 /*

    23  * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.

    24  */

    25 

    26 package com.oracle.solaris.vp.util.swing.glass;

    27 

    28 import java.awt.BorderLayout;

    29 import java.awt.event.*;

    30 import java.awt.image.BufferedImage;

    31 import javax.swing.*;

    32 import com.oracle.solaris.vp.util.swing.GraphicsUtil;

    33 

    34 @SuppressWarnings({"serial"})

    35 public class ImageCaptureGlassPane extends SimpleGlassPane {

    36     //

    37     // Instance data

    38     //

    39 

    40     private boolean refreshOnResize = true;

    41     private JLabel label = new JLabel();

    42 

    43     //

    44     // Constructors

    45     //

    46 

    47     public ImageCaptureGlassPane() {

    48 	setOpaque(true);

    49 	setLayout(new BorderLayout());

    50 	add(label, BorderLayout.CENTER);

    51 

    52 	addComponentListener(

    53 	    new ComponentAdapter() {

    54 		@Override

    55 		public void componentResized(ComponentEvent e) {

    56 		    if (refreshOnResize && isShowing()) {

    57 			refresh();

    58 		    }

    59 		}

    60 	    });

    61     }

    62 

    63     //

    64     // SimpleGlassPane methods

    65     //

    66 

    67     @Override

    68     public void componentHidden() {

    69 	super.componentHidden();

    70 	label.setIcon(null);

    71     }

    72 

    73     @Override

    74     public void componentToBeVisible() {

    75 	super.componentToBeVisible();

    76 	refresh();

    77     }

    78 

    79     //

    80     // ImageCaptureGlassPane methods

    81     //

    82 

    83     protected JLabel getLabel() {

    84 	return label;

    85     }

    86 

    87     public boolean getRefreshOnResize() {

    88 	return refreshOnResize;

    89     }

    90 

    91     public synchronized void refresh() {

    92 	Icon icon = null;

    93 

    94 	JRootPane rootPane = getRootPane();

    95 	if (rootPane != null) {

    96 

    97 	    JLayeredPane layeredPane = rootPane.getLayeredPane();

    98 	    if (layeredPane != null) {

    99 

   100 		BufferedImage bImage = GraphicsUtil.paintToImage(layeredPane);

   101 		if (bImage != null) {

   102 

   103 		    icon = new ImageIcon(bImage);

   104 		}

   105 	    }

   106 	}

   107 

   108 	label.setIcon(icon);

   109     }

   110 

   111     public void setRefreshOnResize(boolean refreshOnResize) {

   112 	this.refreshOnResize = refreshOnResize;

   113     }

   114 }