Gets Harvey's changes

1 files changed, 124 insertions, 0 deletions

diff --git a/src/javax/media/j3d/DepthComponentNative.java b/src/javax/media/j3d/DepthComponentNative.java
new file mode 100644
index 0000000..070d00c
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+++ b/src/javax/media/j3d/DepthComponentNative.java
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+/*
+ * Copyright 1997-2008 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;
+
+/**
+ * A 2D array of depth (Z) values stored in the most efficient format for a
+ * particular device.  Values are not accessible by the user and may only be
+ * used to read the Z values and subsequently write them back.
+ */
+
+public class DepthComponentNative extends DepthComponent {
+    /**
+     * Package scope defualt constructor for use by cloneNodeComponent
+     */
+    DepthComponentNative() {
+    }
+
+    /**
+     * Constructs a new native depth (z-buffer) component object with the
+     * specified width and height.
+     * @param width the width of the array of depth values
+     * @param height the height of the array of depth values
+     */
+    public DepthComponentNative(int width, int height) {
+	((DepthComponentNativeRetained)this.retained).initialize(width, height);
+    }
+
+    /**
+     * Copies the depth data from this object to the specified array.
+     * @param depthData array of ints that will receive a copy of
+     * the depth data
+     */
+    void getDepthData(int[] depthData) {
+	((DepthComponentNativeRetained)this.retained).getDepthData(depthData);
+    }
+
+    /**
+     * Creates a retained mode DepthComponentIntRetained object that this
+     * DepthComponentInt component object will point to.
+     */
+    @Override
+    void createRetained() {
+	this.retained = new DepthComponentNativeRetained();
+	this.retained.setSource(this);
+    }
+
+   /**
+     * Creates a new DepthComponentNative object.  Called from a Leaf node's
+     * <code>duplicateNode</code> method.
+     *
+     * @return a duplicate of the DepthComponentNative object.
+     *
+     * @see Node#duplicateNode
+     * @see Node#cloneTree
+     * @see NodeComponent#setDuplicateOnCloneTree
+     */
+    @Override
+    public NodeComponent cloneNodeComponent() {
+	DepthComponentNativeRetained rt = (DepthComponentNativeRetained) retained;
+        DepthComponentNative d = new DepthComponentNative(rt.width,
+							  rt.height);
+        d.duplicateNodeComponent(this);
+        return d;
+    }
+
+
+   /**
+     * Copies all node information from <code>originalNodeComponent</code> into
+     * the current node.  This method is called from the
+     * <code>duplicateNode</code> method. This routine does
+     * the actual duplication of all "local data" (any data defined in
+     * this object).
+     *
+     * @param originalNodeComponent the original node to duplicate.
+     * @param forceDuplicate when set to <code>true</code>, causes the
+     *  <code>duplicateOnCloneTree</code> flag to be ignored.  When
+     *  <code>false</code>, the value of each node's
+     *  <code>duplicateOnCloneTree</code> variable determines whether
+     *  NodeComponent data is duplicated or copied.
+     *
+     *
+     * @see Node#cloneTree
+     * @see NodeComponent#setDuplicateOnCloneTree
+     */
+    @Override
+    void duplicateAttributes(NodeComponent originalNodeComponent,
+			     boolean forceDuplicate) {
+	super.duplicateAttributes(originalNodeComponent, forceDuplicate);
+
+	int originalData[] = ((DepthComponentNativeRetained)
+			      originalNodeComponent.retained).depthData;
+
+	int currentData[] =  ((DepthComponentNativeRetained) retained).depthData;
+
+	if (originalData != null) {
+	    for (int i=0; i < originalData.length; i++)
+		currentData[i] = originalData[i];
+	}
+    }
+}