FileDocCategorySizeDatePackage
ImageViewerCanvas.javaAPI DocGlassfish v2 API2826Mon May 14 15:29:52 BST 2007com.sun.activation.viewers

ImageViewerCanvas.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
 * accompanied this code.  If applicable, add the following below the License
 * Header, with the fields enclosed by brackets [] replaced by your own
 * identifying information: "Portions Copyrighted [year]
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 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
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 * either the CDDL, the GPL Version 2 or to extend the choice of license to
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/*
 * @(#)ImageViewerCanvas.java	1.4 07/05/14
 */

package com.sun.activation.viewers;

import java.awt.*;

public class ImageViewerCanvas extends Canvas
{
  private Image canvas_image = null;
  
  /**
   * The constructor
   */
  public ImageViewerCanvas()
    {
	
    }

  /**
   * set the image
   */
  public void setImage(Image new_image)
    {
      canvas_image = new_image;
      this.invalidate();
      this.repaint();
    }
  
  /**
   * getPreferredSize
   */
  public Dimension getPreferredSize()
    {
      Dimension d = null;
      
      if(canvas_image == null)
	{
	  d = new Dimension(200, 200);
	}
      else
	d = new Dimension(canvas_image.getWidth(this), 
			  canvas_image.getHeight(this));

      return d;
    }
  /**
   * paint method
   */
  public void paint(Graphics g)
    {

      if(canvas_image != null)
	g.drawImage(canvas_image, 0, 0, this);

    }
  
}