/* * $RCSfile: ReadRaster.java,v $ * * Copyright (c) 2007 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: 1.3 $ * $Date: 2007/02/09 17:21:51 $ * $State: Exp $ */package org.jdesktop.j3d.examples.text3d;import java.applet.Applet;import java.awt.BorderLayout;import java.awt.event.*;import java.awt.image.DataBufferInt;import java.awt.image.BufferedImage;import java.awt.GraphicsConfiguration;import com.sun.j3d.utils.applet.MainFrame;import com.sun.j3d.utils.geometry.ColorCube;import com.sun.j3d.utils.universe.*;import javax.media.j3d.*;import javax.vecmath.*;import java.util.Enumeration;public class ReadRaster extends Applet {    private SimpleUniverse u = null;    public BranchGroup createSceneGraph(BufferedImage bImage, 					Raster readRaster) {	// Create the root of the branch graph	BranchGroup objRoot = new BranchGroup();	// Create a Raster shape. Add it to the root of the subgraph        ImageComponent2D drawImageComponent = new ImageComponent2D(		ImageComponent.FORMAT_RGB, bImage, true, true);        Raster drawRaster= new Raster(new Point3f(0.0f, 0.0f, 0.0f),		Raster.RASTER_COLOR, 0, 0, bImage.getWidth(), 		bImage.getHeight(), drawImageComponent, null);	Shape3D shape = new Shape3D(drawRaster);	drawRaster.setCapability(Raster.ALLOW_IMAGE_WRITE);	objRoot.addChild(shape);	// Ceate the transform greup node and initialize it to the	// identity.  Enable the TRANSFORM_WRITE capability so that	// our behavior code can modify it at runtime.  Add it to the	// root of the subgraph.	TransformGroup objTrans = new TransformGroup();	objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);        TransformGroup cubeScale = new TransformGroup();        Transform3D t3d = new Transform3D();        t3d.setTranslation(new Vector3d(-0.5, 0.5, 0.0));        cubeScale.setTransform(t3d);        cubeScale.addChild(objTrans);        objRoot.addChild(cubeScale);	// Create a simple shape leaf node, add it to the scene graph.	objTrans.addChild(new ColorCube(0.3));	// Create a new Behavior object that will perform the desired	// operation on the specified transform object and add it into	// the scene graph.	Transform3D yAxis = new Transform3D();	Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE,					0, 0,					4000, 0, 0,					0, 0, 0);	myRotationInterpolator rotator =	    new myRotationInterpolator(drawRaster, readRaster,				     rotationAlpha, objTrans, yAxis,				     0.0f, (float) Math.PI*2.0f);	BoundingSphere bounds =	    new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);	rotator.setSchedulingBounds(bounds);	objTrans.addChild(rotator);        // Have Java 3D perform optimizations on this scene graph.        objRoot.compile();	return objRoot;    }    public ReadRaster() {    }    public void init() {	    	int width = 128;	int height = 128;	ImageComponent2D readImageComponent = new ImageComponent2D(		ImageComponent.FORMAT_RGB, width, height, false, true);	Raster readRaster = new Raster(new Point3f(0.0f,0.0f,0.0f),				       Raster.RASTER_COLOR, 0, 0, width,				       height, readImageComponent, null);	setLayout(new BorderLayout());        GraphicsConfiguration config =           SimpleUniverse.getPreferredConfiguration();	Canvas3D c = new myCanvas3D(config, readRaster);	add("Center", c);	// Create a simple scene and attach it to the virtual universe	BufferedImage bImage = new BufferedImage(width, height,						 BufferedImage.TYPE_INT_RGB);	BranchGroup scene = createSceneGraph(bImage, readRaster);	u = new SimpleUniverse(c);        // This will move the ViewPlatform back a bit so the        // objects in the scene can be viewed.        u.getViewingPlatform().setNominalViewingTransform();	u.addBranchGraph(scene);    }    public void destroy() {	u.cleanup();    }    //    // The following allows ReadRaster to be run as an application    // as well as an applet    //    public static void main(String[] args) {	new MainFrame(new ReadRaster(), 256, 256);    }}class myCanvas3D extends Canvas3D {    Raster readRaster;    GraphicsContext3D gc;    public myCanvas3D(GraphicsConfiguration graphicsConfiguration,	Raster readRaster) {	super(graphicsConfiguration);	this.readRaster = readRaster;        gc = getGraphicsContext3D();    }    public void postSwap() {	super.postSwap();	synchronized(readRaster) {            gc.readRaster(readRaster);	}    }}class myRotationInterpolator extends RotationInterpolator {    Point3f wPos = new Point3f(0.025f, -0.025f, 0.0f);    Raster drawRaster;    Raster readRaster;    BufferedImage bImage;    ImageComponent2D newImageComponent;    public myRotationInterpolator(Raster drawRaster, Raster readRaster,				Alpha alpha,                                TransformGroup target,                                Transform3D axisOfRotation,                                float minimumAngle,                                float maximumAngle) {	super(alpha, target, axisOfRotation, minimumAngle, maximumAngle);         this.drawRaster = drawRaster;        this.readRaster = readRaster;    }    public void processStimulus(Enumeration criteria) {	synchronized(readRaster) {	    bImage = readRaster.getImage().getImage();	}        newImageComponent = new ImageComponent2D(ImageComponent.FORMAT_RGB, 						bImage, true, true);	drawRaster.setImage(newImageComponent);	super.processStimulus(criteria);    }}