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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
|
/*
* 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 javax.vecmath.Point2f;
/**
* Texture2D is a subclass of Texture class. It extends Texture
* class by adding a constructor and a mutator method for
* setting a 2D texture image.
*/
class Texture2DRetained extends TextureRetained {
// Note : There is hardly any HW vendor supports detail Image.
// Detail Image operation is simply no-op in 1.5.
// currently detail image is only applicable to 2D texture
// detail texture info
// These members are unused except for public set and get methods.
private ImageComponent2DRetained detailImage = null;
private int detailTextureMode = Texture2D.DETAIL_MODULATE;
private int detailTextureLevel = 2;
private int numDetailTextureFuncPts = 0;
private float detailTextureFuncPts[] = null; // array of pairs of floats
// first value for LOD
// second value for the fcn value
/**
* Set detail texture image
*/
final void initDetailImage(ImageComponent2D image) {
if (image == null) {
detailImage = null;
} else {
detailImage = (ImageComponent2DRetained)image.retained;
}
}
/**
* Get detail texture image
*/
final ImageComponent2D getDetailImage() {
if (detailImage != null) {
return (ImageComponent2D)detailImage.source;
} else {
return null;
}
}
/**
* Set detail texture mode
*/
final void initDetailTextureMode(int mode) {
detailTextureMode = mode;
}
/**
* Get detail texture mode
*/
final int getDetailTextureMode() {
return detailTextureMode;
}
/**
* Set detail texture level
*/
final void initDetailTextureLevel(int level) {
detailTextureLevel = level;
}
/**
* Get detail texture level
*/
final int getDetailTextureLevel() {
return detailTextureLevel;
}
/**
* Set detail texture function
*/
final void initDetailTextureFunc(float[] lod, float[] pts) {
if (lod == null) { // pts will be null too.
detailTextureFuncPts = null;
numDetailTextureFuncPts = 0;
} else {
numDetailTextureFuncPts = lod.length;
if ((detailTextureFuncPts == null) ||
(detailTextureFuncPts.length != lod.length * 2)) {
detailTextureFuncPts = new float[lod.length * 2];
}
for (int i = 0, j = 0; i < lod.length; i++) {
detailTextureFuncPts[j++] = lod[i];
detailTextureFuncPts[j++] = pts[i];
}
}
}
final void initDetailTextureFunc(Point2f[] pts) {
if (pts == null) {
detailTextureFuncPts = null;
numDetailTextureFuncPts = 0;
} else {
numDetailTextureFuncPts = pts.length;
if ((detailTextureFuncPts == null) ||
(detailTextureFuncPts.length != pts.length * 2)) {
detailTextureFuncPts = new float[pts.length * 2];
}
for (int i = 0, j = 0; i < pts.length; i++) {
detailTextureFuncPts[j++] = pts[i].x;
detailTextureFuncPts[j++] = pts[i].y;
}
}
}
final void initDetailTextureFunc(float[] pts) {
if (pts == null) {
detailTextureFuncPts = null;
numDetailTextureFuncPts = 0;
} else {
numDetailTextureFuncPts = pts.length / 2;
if ((detailTextureFuncPts == null) ||
(detailTextureFuncPts.length != pts.length)) {
detailTextureFuncPts = new float[pts.length];
}
for (int i = 0; i < pts.length; i++) {
detailTextureFuncPts[i] = pts[i];
}
}
}
/**
* Get number of points in the detail texture LOD function
*/
final int getDetailTextureFuncPointsCount() {
return numDetailTextureFuncPts;
}
/**
* Copies the array of detail texture LOD function points into the
* specified arrays
*/
final void getDetailTextureFunc(float[] lod, float[] pts) {
if (detailTextureFuncPts != null) {
for (int i = 0, j = 0; i < numDetailTextureFuncPts; i++) {
lod[i] = detailTextureFuncPts[j++];
pts[i] = detailTextureFuncPts[j++];
}
}
}
final void getDetailTextureFunc(Point2f[] pts) {
if (detailTextureFuncPts != null) {
for (int i = 0, j = 0; i < numDetailTextureFuncPts; i++) {
pts[i].x = detailTextureFuncPts[j++];
pts[i].y = detailTextureFuncPts[j++];
}
}
}
/**
* internal method only -- returns the detail texture LOD function
*/
final float[] getDetailTextureFunc() {
return detailTextureFuncPts;
}
}
|
