1 files changed, 168 insertions, 0 deletions
diff --git a/src/OffScreenCanvas3D/OffScreenTest.java b/src/OffScreenCanvas3D/OffScreenTest.java
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+++ b/src/OffScreenCanvas3D/OffScreenTest.java
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+/*
+ * $RCSfile$
+ *
+ * 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 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);
+  }
+}