001: /*
002: * $RCSfile: DepthComponentInt.java,v $
003: *
004: * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved.
005: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
006: *
007: * This code is free software; you can redistribute it and/or modify it
008: * under the terms of the GNU General Public License version 2 only, as
009: * published by the Free Software Foundation. Sun designates this
010: * particular file as subject to the "Classpath" exception as provided
011: * by Sun in the LICENSE file that accompanied this code.
012: *
013: * This code is distributed in the hope that it will be useful, but WITHOUT
014: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
015: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
016: * version 2 for more details (a copy is included in the LICENSE file that
017: * accompanied this code).
018: *
019: * You should have received a copy of the GNU General Public License version
020: * 2 along with this work; if not, write to the Free Software Foundation,
021: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
022: *
023: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
024: * CA 95054 USA or visit www.sun.com if you need additional information or
025: * have any questions.
026: *
027: * $Revision: 1.5 $
028: * $Date: 2008/02/28 20:17:21 $
029: * $State: Exp $
030: */
031:
032: package javax.media.j3d;
033:
034: /**
035: * A 2D array of depth (Z) values in integer format. Values are in the
036: * range [0,(2**N)-1], where N is the pixel depth of the Z buffer.
037: */
038:
039: public class DepthComponentInt extends DepthComponent {
040:
041: /**
042: * Package scope default constructor
043: */
044: DepthComponentInt() {
045: }
046:
047: /**
048: * Constructs a new integer depth (z-buffer) component object with the
049: * specified width and height.
050: * @param width the width of the array of depth values
051: * @param height the height of the array of depth values
052: */
053: public DepthComponentInt(int width, int height) {
054: ((DepthComponentIntRetained) this .retained).initialize(width,
055: height);
056: }
057:
058: /**
059: * Copies the specified depth data to this object.
060: * @param depthData array of ints containing the depth data
061: * @exception RestrictedAccessException if the method is called
062: * when this object is part of live or compiled scene graph.
063: */
064: public void setDepthData(int[] depthData) {
065: checkForLiveOrCompiled();
066: ((DepthComponentIntRetained) this .retained)
067: .setDepthData(depthData);
068: }
069:
070: /**
071: * Copies the depth data from this object to the specified array.
072: * The array must be large enough to hold all of the ints.
073: * @param depthData array of ints that will receive a copy of
074: * the depth data
075: * @exception CapabilityNotSetException if appropriate capability is
076: * not set and this object is part of live or compiled scene graph
077: */
078: public void getDepthData(int[] depthData) {
079: if (isLiveOrCompiled())
080: if (!this .getCapability(DepthComponent.ALLOW_DATA_READ))
081: throw new CapabilityNotSetException(J3dI18N
082: .getString("DepthComponentInt0"));
083: ((DepthComponentIntRetained) this .retained)
084: .getDepthData(depthData);
085: }
086:
087: /**
088: * Creates a retained mode DepthComponentIntRetained object that this
089: * DepthComponentInt component object will point to.
090: */
091: void createRetained() {
092: this .retained = new DepthComponentIntRetained();
093: this .retained.setSource(this );
094: }
095:
096: /**
097: * @deprecated replaced with cloneNodeComponent(boolean forceDuplicate)
098: */
099: public NodeComponent cloneNodeComponent() {
100: DepthComponentIntRetained rt = (DepthComponentIntRetained) retained;
101: DepthComponentInt d = new DepthComponentInt(rt.width, rt.height);
102: d.duplicateNodeComponent(this );
103: return d;
104: }
105:
106: /**
107: * Copies all node information from <code>originalNodeComponent</code> into
108: * the current node. This method is called from the
109: * <code>duplicateNode</code> method. This routine does
110: * the actual duplication of all "local data" (any data defined in
111: * this object).
112: *
113: * @param originalNodeComponent the original node to duplicate.
114: * @param forceDuplicate when set to <code>true</code>, causes the
115: * <code>duplicateOnCloneTree</code> flag to be ignored. When
116: * <code>false</code>, the value of each node's
117: * <code>duplicateOnCloneTree</code> variable determines whether
118: * NodeComponent data is duplicated or copied.
119: *
120: * @see Node#cloneTree
121: * @see NodeComponent#setDuplicateOnCloneTree
122: */
123: void duplicateAttributes(NodeComponent originalNodeComponent,
124: boolean forceDuplicate) {
125: super
126: .duplicateAttributes(originalNodeComponent,
127: forceDuplicate);
128:
129: // width, height is copied in cloneNode before
130: int len = getWidth() * getHeight();
131: int d[] = new int[len];
132: ((DepthComponentIntRetained) originalNodeComponent.retained)
133: .getDepthData(d);
134: ((DepthComponentIntRetained) retained).setDepthData(d);
135: }
136:
137: }
|