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Diffstat (limited to 'src/ReadRaster/ReadRaster.java')
-rw-r--r-- | src/ReadRaster/ReadRaster.java | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/ReadRaster/ReadRaster.java b/src/ReadRaster/ReadRaster.java new file mode 100644 index 0000000..d4fdc14 --- /dev/null +++ b/src/ReadRaster/ReadRaster.java @@ -0,0 +1,222 @@ +/* + * $RCSfile$ + * + * Copyright (c) 2004 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 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); + + 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); + + 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_ARGB); + + 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); + drawRaster.setImage(newImageComponent); + super.processStimulus(criteria); + } +} |