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/*
* $RCSfile$
*
* Copyright (c) 2006 Sun Microsystems, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution 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.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any
* kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
* EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
* NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
* USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
* ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
* CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
* REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
* INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or
* maintenance of any nuclear facility.
*
* $Revision$
* $Date$
* $State$
*/
import com.sun.j3d.utils.geometry.ColorCube;
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
/**
* OffScreenTest issues renderOffScreenBuffer from the postSwap callback
* of the OnScreen canvas.
*/
public class OffScreenTest extends Applet {
private SimpleUniverse u = null;
public BranchGroup createSceneGraph(Raster drawRaster)
{
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// spin object has composited transformation matrix
Transform3D spin = new Transform3D();
Transform3D tempspin = new Transform3D();
spin.rotX(Math.PI/4.0d);
tempspin.rotY(Math.PI/5.0d);
spin.mul(tempspin);
spin.setScale(0.7);
spin.setTranslation(new Vector3d(-0.4, 0.3, 0.0));
TransformGroup objTrans = new TransformGroup(spin);
objRoot.addChild(objTrans);
// Create a simple shape leaf node, add it to the scene graph.
// ColorCube is a Convenience Utility class
objTrans.addChild(new ColorCube(0.4));
//Create a raster
Shape3D shape = new Shape3D(drawRaster);
objRoot.addChild(shape);
// Let Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
}
public OffScreenTest ()
{
}
public void init() {
setLayout(new BorderLayout());
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
BufferedImage bImage = new BufferedImage(200, 200 ,
BufferedImage.TYPE_INT_ARGB);
ImageComponent2D buffer =
new ImageComponent2D(ImageComponent.FORMAT_RGBA, bImage);
buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ);
Raster drawRaster = new Raster(new Point3f(0.0f, 0.0f, 0.0f),
Raster.RASTER_COLOR,
0, 0, 200, 200, buffer, null);
drawRaster.setCapability(Raster.ALLOW_IMAGE_WRITE);
// create the main scene graph
BranchGroup scene = createSceneGraph(drawRaster);
// create the on-screen canvas
OnScreenCanvas3D d = new OnScreenCanvas3D(config, false);
add("Center", d);
// create a simple universe
u = new SimpleUniverse(d);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
// create an off Screen Canvas
OffScreenCanvas3D c = new OffScreenCanvas3D(config, true, drawRaster);
// set the offscreen to match the onscreen
Screen3D sOn = d.getScreen3D();
Screen3D sOff = c.getScreen3D();
sOff.setSize(sOn.getSize());
sOff.setPhysicalScreenWidth(sOn.getPhysicalScreenWidth());
sOff.setPhysicalScreenHeight(sOn.getPhysicalScreenHeight());
// attach the same view to the offscreen canvas
View v = u.getViewer().getView();
v.addCanvas3D(c);
// tell onscreen about the offscreen so it knows to
// render to the offscreen at postswap
d.setOffScreenCanvas(c);
u.addBranchGraph(scene);
v.stopView();
// Make sure that image are render completely
// before grab it in postSwap().
d.setImageReady();
v.startView();
}
public void destroy() {
u.cleanup();
}
public static void main(String argv[])
{
new MainFrame(new OffScreenTest(), 500, 500);
}
}
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