//$Header: /home/deegree/jail/deegreerepository/deegree/src/org/deegree/ogcwebservices/wpvs/j3d/BackgroundFactory.java,v 1.8 2006/11/27 09:07:52 poth Exp $
/*---------------- FILE HEADER ------------------------------------------
This file is part of deegree.
Copyright (C) 2001-2006 by:
EXSE, Department of Geography, University of Bonn
http://www.giub.uni-bonn.de/deegree/
lat/lon GmbH
http://www.lat-lon.de
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Contact:
Andreas Poth
lat/lon GmbH
Aennchenstraße 19
53177 Bonn
Germany
E-Mail: poth@lat-lon.de
Prof. Dr. Klaus Greve
Department of Geography
University of Bonn
Meckenheimer Allee 166
53115 Bonn
Germany
E-Mail: greve@giub.uni-bonn.de
---------------------------------------------------------------------------*/
package org.deegree.ogcwebservices.wpvs.j3d;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
import javax.imageio.ImageIO;
import javax.media.j3d.Background;
import javax.media.j3d.BoundingSphere;
import javax.media.j3d.ImageComponent2D;
import javax.vecmath.Color3f;
import javax.vecmath.Point3d;
import com.sun.j3d.utils.image.TextureLoader;
/**
* Factory for creating different types of Java3D objects to be used as background objects.
*
* @author <a href="mailto:taddei@lat-lon.de">Ugo Taddei</a>
* @author last edited by: $Author: poth $
*
* @version 2.0, $Revision: 1.8 $, $Date: 2006/11/27 09:07:52 $
*
* @since 2.0
*/
public class BackgroundFactory {
private BackgroundFactory() {
// nothing to do
}
/**
* Creates Java 3D <code>background</code> object, drawn at infinity. This method is used
* for "box" views and/or when the users wants a fixed background image. Not the in the latter
* case for optimal results, the image should be of same dimensions as the <code>GetView</code>
* image
* @param vp the ViewPoint defining the observer's position
* @param color the background color (seen when image is null or doesn't cover the whole view)
* @param imgURL a URL pointing to an image
* @return
* @throws IOException
*/
public static Background createSimpleBackgroundGroup( ViewPoint vp, Color color, URL imgURL, Dimension reqImgDimension ) throws IOException{
Point3d ftPrint = vp.getFootprint()[0];
Background bg = new Background( new Color3f( color ) );
Point3d origin = new Point3d( ftPrint.x, ftPrint.y, ftPrint.z );
BoundingSphere bounds = new BoundingSphere(origin, ftPrint.x );
bg.setApplicationBounds( bounds );
if( imgURL != null ) {
BufferedImage buffImg = ImageIO.read( imgURL );
// scale image to fill the whole bakground
BufferedImage tmpImg = new BufferedImage( reqImgDimension.width, reqImgDimension.height, buffImg.getType() );
Graphics g = tmpImg.getGraphics();
g.drawImage( buffImg, 0, 0, tmpImg.getWidth() - 1 ,tmpImg.getHeight() - 1, null );
g.dispose();
ImageComponent2D img = new TextureLoader( tmpImg ).getImage();
bg.setImage( img );
}
return bg;
}
}
/* ********************************************************************
Changes to this class. What the people have been up to:
$Log: BackgroundFactory.java,v $
Revision 1.8 2006/11/27 09:07:52 poth
JNI integration of proj4 has been removed. The CRS functionality now will be done by native deegree code.
Revision 1.7 2006/11/23 11:46:40 bezema
The initial version of the new wpvs
Revision 1.6 2006/07/05 15:59:13 poth
comments corrected
Revision 1.5 2006/07/05 11:23:07 taddei
background img is scaled to fit req dimensions
Revision 1.4 2006/06/20 10:16:01 taddei
clean up and javadoc
Revision 1.3 2006/04/06 20:25:28 poth
*** empty log message ***
Revision 1.2 2006/03/30 21:20:28 poth
*** empty log message ***
Revision 1.1 2006/02/24 11:42:41 taddei
refactoring (background)
********************************************************************** */