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
|
/*
* $RCSfile$
*
* 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.
*
* $Revision$
* $Date$
* $State$
*/
import com.sun.j3d.utils.geometry.ColorCube;
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
/**
* OffScreenTest issues renderOffScreenBuffer from the postSwap callback
* of the OnScreen canvas.
*/
public class OffScreenTest extends Applet {
private SimpleUniverse u = null;
public BranchGroup createSceneGraph(Raster drawRaster)
{
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// spin object has composited transformation matrix
Transform3D spin = new Transform3D();
Transform3D tempspin = new Transform3D();
spin.rotX(Math.PI/4.0d);
tempspin.rotY(Math.PI/5.0d);
spin.mul(tempspin);
spin.setScale(0.7);
spin.setTranslation(new Vector3d(-0.4, 0.3, 0.0));
TransformGroup objTrans = new TransformGroup(spin);
objRoot.addChild(objTrans);
// Create a simple shape leaf node, add it to the scene graph.
// ColorCube is a Convenience Utility class
objTrans.addChild(new ColorCube(0.4));
//Create a raster
Shape3D shape = new Shape3D(drawRaster);
objRoot.addChild(shape);
// Let Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
}
public OffScreenTest ()
{
}
public void init() {
setLayout(new BorderLayout());
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
BufferedImage bImage = new BufferedImage(200, 200 ,
BufferedImage.TYPE_INT_ARGB);
ImageComponent2D buffer =
new ImageComponent2D(ImageComponent.FORMAT_RGBA, bImage);
buffer.setCapability(ImageComponent2D.ALLOW_IMAGE_READ);
Raster drawRaster = new Raster(new Point3f(0.0f, 0.0f, 0.0f),
Raster.RASTER_COLOR,
0, 0, 200, 200, buffer, null);
drawRaster.setCapability(Raster.ALLOW_IMAGE_WRITE);
// create the main scene graph
BranchGroup scene = createSceneGraph(drawRaster);
// create the on-screen canvas
OnScreenCanvas3D d = new OnScreenCanvas3D(config, false);
add("Center", d);
// create a simple universe
u = new SimpleUniverse(d);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
// create an off Screen Canvas
OffScreenCanvas3D c = new OffScreenCanvas3D(config, true, drawRaster);
// set the offscreen to match the onscreen
Screen3D sOn = d.getScreen3D();
Screen3D sOff = c.getScreen3D();
sOff.setSize(sOn.getSize());
sOff.setPhysicalScreenWidth(sOn.getPhysicalScreenWidth());
sOff.setPhysicalScreenHeight(sOn.getPhysicalScreenHeight());
// attach the same view to the offscreen canvas
View v = u.getViewer().getView();
v.addCanvas3D(c);
// tell onscreen about the offscreen so it knows to
// render to the offscreen at postswap
d.setOffScreenCanvas(c);
u.addBranchGraph(scene);
v.stopView();
// Make sure that image are render completely
// before grab it in postSwap().
d.setImageReady();
v.startView();
}
public void destroy() {
u.cleanup();
}
public static void main(String argv[])
{
new MainFrame(new OffScreenTest(), 500, 500);
}
}
|
