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
|
/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions 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.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.test.junit.jogl.swt;
import javax.media.opengl.GL;
import javax.media.opengl.GL2;
import javax.media.opengl.glu.GLU;
import org.eclipse.swt.graphics.Rectangle;
/**
* A utility class to encapsulate drawing a single triangle for unit tests.
* @author Wade Walker
*/
public class OneTriangle {
public static void setup( GL2 gl, Rectangle rectangle ) {
gl.glMatrixMode( GL2.GL_PROJECTION );
gl.glLoadIdentity();
// coordinate system origin at lower left with width and height same as the window
GLU glu = new GLU();
glu.gluOrtho2D( 0.0f, rectangle.width, 0.0f, rectangle.height );
gl.glMatrixMode( GL2.GL_MODELVIEW );
gl.glLoadIdentity();
gl.glViewport( 0, 0, rectangle.width, rectangle.height );
}
public static void render( GL2 gl, Rectangle rectangle ) {
gl.glClear( GL.GL_COLOR_BUFFER_BIT );
// draw a triangle filling the window
gl.glLoadIdentity();
gl.glBegin( GL.GL_TRIANGLES );
gl.glColor3f( 1, 0, 0 );
gl.glVertex2f( 0, 0 );
gl.glColor3f( 0, 1, 0 );
gl.glVertex2f( rectangle.width, 0 );
gl.glColor3f( 0, 0, 1 );
gl.glVertex2f( rectangle.width / 2, rectangle.height );
gl.glEnd();
}
}
|
