/* A GR generic image
Copyright (c) 1998-2005 The Regents of the University of California.
All rights reserved.
Permission is hereby granted, without written agreement and without
license or royalty fees, to use, copy, modify, and distribute this
software and its documentation for any purpose, provided that the above
copyright notice and the following two paragraphs appear in all copies
of this software.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY
FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
ENHANCEMENTS, OR MODIFICATIONS.
PT_COPYRIGHT_VERSION_2
COPYRIGHTENDKEY
@ProposedRating Red (chf)
@AcceptedRating Red (chf)
*/
package ptolemy.domains.gr.lib.experimental;
import ptolemy.actor.lib.*;
import ptolemy.actor.lib.gui.Display;
import ptolemy.data.*;
import ptolemy.data.expr.Parameter;
import ptolemy.data.type.BaseType;
import ptolemy.domains.gr.kernel.*;
import ptolemy.domains.gr.lib.*;
import ptolemy.kernel.CompositeEntity;
import ptolemy.kernel.util.*;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.image.TextureLoader;
import javax.media.j3d.*;
import javax.vecmath.*;
//////////////////////////////////////////////////////////////////////////
//// Image3D
/** This actor contains the geometry and appearance specifications for a GR
box. The output port is used to connect this actor to the Java3D scene
graph. This actor will only have meaning in the GR domain.
<p>The parameters <i>xLength</i>, <i>yHeight</i>, and <i>zWidth</i> determine
the dimensions of box.
@author C. Fong
@version $Id$
@Pt.ProposedRating Red (chf)
@Pt.AcceptedRating Red (cxh)
@deprecated, see {@link ptolemy.domains.gr.lib.Box3D}
*/
public class Image3D extends GRPickActor {
/** Construct an actor with the given container and name.
* @param container The container.
* @param name The name of this actor.
* @exception IllegalActionException If the actor cannot be contained
* by the proposed container.
* @exception NameDuplicationException If the container already has an
* actor with this name.
*/
public Image3D(CompositeEntity container, String name)
throws IllegalActionException, NameDuplicationException {
super(container, name);
imageLength = new Parameter(this, "image length", new DoubleToken(0.5));
imageHeight = new Parameter(this, "image height", new DoubleToken(0.5));
filename = new Parameter(this, "filename", new StringToken("stripe.gif"));
}
///////////////////////////////////////////////////////////////////
//// ports and parameters ////
/** The length of the box in the x-axis.
* This parameter should contain a DoubleToken.
* The default value of this parameter is the DoubleToken 0.5
*/
public Parameter imageLength;
public Parameter filename;
/** The width of the box in the z-axis.
* This parameter should contain a DoubleToken.
* The default value of this parameter is the DoubleToken 0.5
*/
public Parameter imageHeight;
///////////////////////////////////////////////////////////////////
//// public methods ////
BranchGroup top = new BranchGroup();
public void processCallback() {
super.processCallback();
try {
System.out.println("call "
+ ((StringToken) filename.getToken()).stringValue());
} catch (Exception e) {
System.out.println("process call back exception");
}
}
///////////////////////////////////////////////////////////////////
//// protected methods ////
/** Return the encapsulated Java3D node of this 3D actor. The encapsulated
* node for this actor is a Java3D box.
* @return the Java3D box.
*/
protected Node _getNodeObject() {
return (Node) top; //_containedNode;
}
protected BranchGroup _getBranchGroup() {
return (BranchGroup) top;
}
/** Override the base class to set the texture, if one is specified,
* now that the view screen is known.
* @exception IllegalActionException If the given actor is not a
* ViewScreen3D or if an invalid texture is specified.
*/
protected void _setViewScreen(GRActor actor) throws IllegalActionException {
super._setViewScreen(actor);
String fileName = (String) ((StringToken) filename.getToken())
.stringValue();
ImageComponent2D image = null;
try {
TextureLoader loader = new TextureLoader(fileName,
_viewScreen.getCanvas());
image = loader.getImage();
System.out.println("image " + image);
} catch (Throwable throwable) {
throw new IllegalActionException(this, throwable, "Failed to load texture \""
+ fileName + "\"");
}
// can't use parameterless constuctor
Texture2D texture = new Texture2D(Texture.BASE_LEVEL, Texture.RGBA,
image.getWidth(), image.getHeight());
texture.setImage(0, image);
//texture.setEnable(false);
Appearance appear = new Appearance();
appear.setTexture(texture);
appear.setTransparencyAttributes(new TransparencyAttributes(
TransparencyAttributes.FASTEST, 0.1f));
QuadArray plane = new QuadArray(4,
GeometryArray.COORDINATES | QuadArray.NORMALS
| GeometryArray.TEXTURE_COORDINATE_2);
Point3f p = new Point3f(-1.0f, 1.0f, 0.0f);
plane.setCoordinate(0, p);
p.set(-1.0f, -1.0f, 0.0f);
plane.setCoordinate(1, p);
p.set(1.0f, -1.0f, 0.0f);
plane.setCoordinate(2, p);
p.set(1.0f, 1.0f, 0.0f);
plane.setCoordinate(3, p);
Point2f[] qq = new Point2f[4];
qq[0] = new Point2f(0.0f, 1.0f);
qq[1] = new Point2f(0.0f, 0.0f);
qq[2] = new Point2f(1.0f, 0.0f);
qq[3] = new Point2f(1.0f, 1.0f);
plane.setTextureCoordinate(0, 0, new TexCoord2f(qq[0]));
plane.setTextureCoordinate(0, 1, new TexCoord2f(qq[1]));
plane.setTextureCoordinate(0, 2, new TexCoord2f(qq[2]));
plane.setTextureCoordinate(0, 3, new TexCoord2f(qq[3]));
_containedNode = new Shape3D(plane, appear);
top = new BranchGroup();
top.addChild(_containedNode);
//_containedNode = new Shape3D(cube);
}
///////////////////////////////////////////////////////////////////
//// private methods ////
/** Return the value of the length parameter
* @return the length of the box
* @exception IllegalActionException If the value of some parameters can't
* be obtained
*/
private double _getLength() throws IllegalActionException {
double value = ((DoubleToken) imageLength.getToken()).doubleValue();
return value / 2.0;
}
/** Return the value of the height parameter
* @return the height of the box
* @exception IllegalActionException If the value of some parameters can't
* be obtained
*/
private double _getHeight() throws IllegalActionException {
double value = ((DoubleToken) imageHeight.getToken()).doubleValue();
return value / 2.0;
}
///////////////////////////////////////////////////////////////////
//// private variables ////
private Shape3D _containedNode;
private static final float[] verts = {
// front face
1.0f,
-1.0f,
1.0f,
1.0f,
1.0f,
1.0f,
-1.0f,
1.0f,
1.0f,
-1.0f,
-1.0f,
1.0f
};
private static final Vector3f[] normals = {
new Vector3f(0.0f, 0.0f, 1.0f), // front face
};
}