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/*
* 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.
*
*/
package com.sun.j3d.utils.scenegraph.io.state.javax.media.j3d;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import javax.media.j3d.Background;
import javax.media.j3d.BoundingLeaf;
import javax.media.j3d.BranchGroup;
import javax.media.j3d.ImageComponent2D;
import javax.media.j3d.SceneGraphObject;
import javax.vecmath.Color3f;
import com.sun.j3d.utils.scenegraph.io.retained.Controller;
import com.sun.j3d.utils.scenegraph.io.retained.SymbolTableData;
public class BackgroundState extends LeafState {
private int image;
private int boundingLeaf;
/*
* issue 532; reference variable "geometry" below has never worked, but we
* need to read/write a dummy value for backward compatibility
*/
// private int geometry;
private SceneGraphObjectState branchState; // issue 532 added
public BackgroundState(SymbolTableData symbol, Controller control) {
super(symbol, control);
if (node != null) {
boundingLeaf = control.getSymbolTable().addReference(
((Background) node).getApplicationBoundingLeaf());
image = control.getSymbolTable().addReference(
((Background) node).getImage());
}
}
@Override
public void writeObject(DataOutput out) throws IOException {
super.writeObject(out);
out.writeInt(boundingLeaf);
out.writeInt(0); // issue 532; maintain compatibility
out.writeInt(image);
control.writeBounds(out, ((Background) node).getApplicationBounds());
Color3f clr = new Color3f();
((Background) node).getColor(clr);
control.writeColor3f(out, clr);
out.writeInt(((Background) node).getImageScaleMode());
control.writeObject(out, control.createState(((Background) node)
.getGeometry()));
}
@Override
public void readObject(DataInput in) throws IOException {
super.readObject(in);
boundingLeaf = in.readInt();
in.readInt(); // issue 532; maintain compatibility
image = in.readInt();
((Background) node).setApplicationBounds(control.readBounds(in));
((Background) node).setColor(control.readColor3f(in));
((Background) node).setImageScaleMode(in.readInt());
// issue 532; maintain compatibility
if (control.getCurrentFileVersion() < 4) {
return;
}
branchState = control.readObject(in);
if (!(branchState instanceof NullSceneGraphObjectState)) {
((Background) node)
.setGeometry((BranchGroup) branchState.getNode());
}
}
/**
* Called when this component reference count is incremented. Allows this
* component to update the reference count of any components that it
* references.
*/
public void addSubReference() {
// geometry and boundingLeaf not node components
control.getSymbolTable().incNodeComponentRefCount(image);
}
@Override
public void buildGraph() {
((Background) node).setApplicationBoundingLeaf((BoundingLeaf) control
.getSymbolTable().getJ3dNode(boundingLeaf));
((Background) node).setImage((ImageComponent2D) control
.getSymbolTable().getJ3dNode(image));
if (branchState != null && !branchState.getSymbol().graphBuilt) {
branchState.buildGraph();
branchState.getSymbol().graphBuilt = true;
}
super.buildGraph(); // Must be last call in method
}
@Override
protected SceneGraphObject createNode() {
return new Background();
}
}