Gets Harvey's changes

1 files changed, 221 insertions, 0 deletions

diff --git a/src/javax/media/j3d/PointAttributesRetained.java b/src/javax/media/j3d/PointAttributesRetained.java
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+++ b/src/javax/media/j3d/PointAttributesRetained.java
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+/*
+ * Copyright 1998-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package javax.media.j3d;
+
+import java.util.ArrayList;
+
+/**
+ * The PointAttributesRetained object defines all rendering state that can be set
+ * as a component object of a Shape3D node.
+ */
+class PointAttributesRetained extends NodeComponentRetained {
+    // A list of pre-defined bits to indicate which component
+    // in this LineAttributesRetained object changed.
+    static final int POINT_SIZE_CHANGED      	= 0x01;
+    static final int POINT_AA_CHANGED      	= 0x02;
+
+    // Size, in pixels, of point primitives
+    float pointSize = 1.0f;
+
+    // Point antialiasing switch
+    boolean pointAntialiasing = false;
+
+
+    /**
+     * Sets the point size for this appearance component object.
+     * @param pointSize the size, in pixels, of point primitives
+     */
+    final void initPointSize(float pointSize) {
+	this.pointSize = pointSize;
+    }
+
+    /**
+     * Sets the point size for this appearance component object and sends a
+     * message notifying the interested structures of the change.
+     * @param pointSize the size, in pixels, of point primitives
+     */
+    final void setPointSize(float pointSize) {
+	initPointSize(pointSize);
+	sendMessage(POINT_SIZE_CHANGED, new Float(pointSize));
+    }
+
+    /**
+     * Gets the point size for this appearance component object.
+     * @return the size, in pixels, of point primitives
+     */
+    final float getPointSize() {
+	return pointSize;
+    }
+
+    /**
+     * Enables or disables point antialiasing
+     * for this appearance component object.
+     * @param state true or false to enable or disable point antialiasing
+     */
+    final void initPointAntialiasingEnable(boolean state) {
+	pointAntialiasing = state;
+    }
+
+    /**
+     * Enables or disables point antialiasing
+     * for this appearance component object and sends a
+     * message notifying the interested structures of the change.
+     * @param state true or false to enable or disable point antialiasing
+     */
+    final void setPointAntialiasingEnable(boolean state) {
+	initPointAntialiasingEnable(state);
+	sendMessage(POINT_AA_CHANGED,
+		    (state ? Boolean.TRUE: Boolean.FALSE));
+    }
+
+    /**
+     * Retrieves the state of the point antialiasing flag.
+     * @return true if point antialiasing is enabled,
+     * false if point antialiasing is disabled
+     */
+    final boolean getPointAntialiasingEnable() {
+	return pointAntialiasing;
+    }
+
+   /**
+    * Creates and initializes a mirror object, point the mirror object
+    * to the retained object if the object is not editable
+    */
+    @Override
+    synchronized void createMirrorObject() {
+	if (mirror == null) {
+	    // Check the capability bits and let the mirror object
+	    // point to itself if is not editable
+	    if (isStatic()) {
+		mirror = this;
+	    } else {
+		PointAttributesRetained mirrorPa
+		    = new PointAttributesRetained();
+		mirrorPa.set(this);
+		mirrorPa.source = source;
+		mirror = mirrorPa;
+	    }
+	} else {
+	   ((PointAttributesRetained) mirror).set(this);
+	}
+    }
+
+    /**
+     * Update the native context
+     */
+    void updateNative(Context ctx) {
+	Pipeline.getPipeline().updatePointAttributes(ctx, pointSize, pointAntialiasing);
+    }
+
+
+    /**
+     * Initializes a mirror object, point the mirror object to the retained
+     * object if the object is not editable
+     */
+    @Override
+    synchronized void initMirrorObject() {
+	((PointAttributesRetained)mirror).set(this);
+    }
+
+
+    /**
+     * Update the "component" field of the mirror object with the
+     * given "value"
+     */
+    @Override
+    synchronized void updateMirrorObject(int component, Object value) {
+
+	PointAttributesRetained mirrorPa = (PointAttributesRetained) mirror;
+
+	if ((component & POINT_SIZE_CHANGED) != 0) {
+	    mirrorPa.pointSize = ((Float)value).floatValue();
+	}
+	else if ((component & POINT_AA_CHANGED) != 0) {
+	    mirrorPa.pointAntialiasing = ((Boolean)value).booleanValue();
+	}
+    }
+
+    boolean equivalent(PointAttributesRetained pr) {
+	return ((pr != null) &&
+		(pr.pointSize == pointSize) &&
+		(pr.pointAntialiasing == pointAntialiasing));
+    }
+
+
+     protected void set(PointAttributesRetained pr) {
+	 super.set(pr);
+	 pointSize = pr.pointSize;
+	 pointAntialiasing = pr.pointAntialiasing;
+     }
+
+
+    final void sendMessage(int attrMask, Object attr) {
+	ArrayList<VirtualUniverse> univList = new ArrayList<VirtualUniverse>();
+	ArrayList<ArrayList<GeometryAtom>> gaList = Shape3DRetained.getGeomAtomsList(mirror.users, univList);
+
+	// Send to rendering attribute structure, regardless of
+	// whether there are users or not (alternate appearance case ..)
+	J3dMessage createMessage = new J3dMessage();
+	createMessage.threads = J3dThread.UPDATE_RENDERING_ATTRIBUTES;
+	createMessage.type = J3dMessage.POINTATTRIBUTES_CHANGED;
+	createMessage.universe = null;
+	createMessage.args[0] = this;
+	createMessage.args[1]= new Integer(attrMask);
+	createMessage.args[2] = attr;
+	createMessage.args[3] = new Integer(changedFrequent);
+	VirtualUniverse.mc.processMessage(createMessage);
+
+
+	// System.err.println("univList.size is " + univList.size());
+	for(int i=0; i<univList.size(); i++) {
+	    createMessage = new J3dMessage();
+	    createMessage.threads = J3dThread.UPDATE_RENDER;
+	    createMessage.type = J3dMessage.POINTATTRIBUTES_CHANGED;
+
+		createMessage.universe = univList.get(i);
+	    createMessage.args[0] = this;
+	    createMessage.args[1]= new Integer(attrMask);
+	    createMessage.args[2] = attr;
+
+		ArrayList<GeometryAtom> gL = gaList.get(i);
+	    GeometryAtom[] gaArr = new GeometryAtom[gL.size()];
+	    gL.toArray(gaArr);
+	    createMessage.args[3] = gaArr;
+
+	    VirtualUniverse.mc.processMessage(createMessage);
+	}
+
+    }
+    @Override
+    void handleFrequencyChange(int bit) {
+	if (bit == PointAttributes.ALLOW_SIZE_WRITE ||
+	    bit == PointAttributes.ALLOW_ANTIALIASING_WRITE) {
+	    setFrequencyChangeMask(bit, 0x1);
+	}
+    }
+
+}