1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* $RCSfile$
*
* Copyright (c) 2005 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.
*
* $Revision$
* $Date$
* $State$
*/
package com.sun.j3d.internal;
import javax.media.j3d.J3DBuffer;
import java.nio.FloatBuffer;
/**
* NIO Buffers are new in Java 1.4 but we need to run on 1.3
* as well, so this class was created to hide the NIO classes
* from non-1.4 Java 3D users.
*
* <p>
* NOTE: We no longer need to support JDK 1.3 as of the Java 3D 1.3.2
* community source release on java.net. We should be able to get rid
* of this class.
*/
public class FloatBufferWrapper extends BufferWrapper {
private FloatBuffer buffer = null;
/**
* Constructor initializes buffer with a
* java.nio.FloatBuffer object.
*/
public FloatBufferWrapper(FloatBuffer buffer) {
this.buffer = buffer;
}
/**
* Constructor initializes buffer with a
* javax.media.j3d.J3DBuffer object.
*/
public FloatBufferWrapper(javax.media.j3d.J3DBuffer b) {
this.buffer = (FloatBuffer)(b.getBuffer());
}
/**
* Returns the java.nio.Buffer contained within this
* FloatBufferWrapper.
*/
public java.nio.Buffer getBuffer() {
return this.buffer;
}
// Wrapper for all relevant FloatBuffer methods.
/**
* @return A boolean indicating whether the java.nio.Buffer
* object contained within this FloatBuffer is direct or
* indirect.
*/
public boolean isDirect() {
return buffer.isDirect();
}
/**
* Reads the float at this buffer's current position,
* and then increments the position.
*/
public float get() {
return buffer.get();
}
/**
* Reads the float at the given offset into the buffer.
*/
public float get(int index) {
return buffer.get(index);
}
/**
* Bulk <i>get</i> method. Transfers <code>dst.length</code>
* floats from
* the buffer to the destination array and increments the
* buffer's position by <code>dst.length</code>.
*/
public FloatBufferWrapper get(float[] dst) {
buffer.get(dst);
return this;
}
/**
* Bulk <i>get</i> method. Transfers <i>length</i> floats
* from the buffer starting at position <i>offset</i> into
* the destination array.
*/
public FloatBufferWrapper get(float[] dst, int offset, int length){
buffer.get(dst, offset, length);
return this;
}
/**
* Bulk <i>put</i> method. Transfers <code>src.length</code>
* floats into the buffer at the current position.
*/
public FloatBufferWrapper put(float[] src) {
buffer.put(src);
return this;
}
/**
* Creates and returns a J3DBuffer object containing the
* buffer in this FloatBufferWrapper object.
*/
public J3DBuffer getJ3DBuffer() {
return new J3DBuffer( buffer );
}
}
|
