/**
* Copyright (c) 2004-2006, www.pdfbox.org
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of pdfbox; nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* http://www.pdfbox.org
*
*/
package org.pdfbox.pdfviewer;
import java.awt.Dimension;
import java.awt.Graphics;
import java.io.IOException;
import javax.swing.JPanel;
import org.pdfbox.pdmodel.PDPage;
import org.pdfbox.pdmodel.common.PDRectangle;
/**
* This is a simple JPanel that can be used to display a PDF page.
*
* @author <a href="mailto:ben@benlitchfield.com">Ben Litchfield</a>
* @version $Revision: 1.4 $
*/
public class PDFPagePanel extends JPanel
{
private PDPage page;
private PageDrawer drawer = null;
private Dimension pageDimension = null;
/**
* Constructor.
*
* @throws IOException If there is an error creating the Page drawing objects.
*/
public PDFPagePanel() throws IOException
{
drawer = new PageDrawer();
}
/**
* This will set the page that should be displayed in this panel.
*
* @param pdfPage The page to draw.
*/
public void setPage( PDPage pdfPage )
{
page = pdfPage;
PDRectangle pageSize = page.findMediaBox();
int rotation = page.findRotation();
pageDimension = pageSize.createDimension();
if( rotation == 90 || rotation == 270 )
{
pageDimension = new Dimension( pageDimension.height, pageDimension.width );
}
setSize( pageDimension );
setBackground( java.awt.Color.white );
}
/**
* {@inheritDoc}
*/
public void paint(Graphics g )
{
try
{
g.setColor( getBackground() );
g.fillRect( 0, 0, getWidth(), getHeight() );
drawer.drawPage( g, page, pageDimension );
}
catch( IOException e )
{
e.printStackTrace();
}
}
}