1 #ifndef COIN_SOALPHATEST_H
2 #define COIN_SOALPHATEST_H
3 
4 /**************************************************************************\
5  * Copyright (c) Kongsberg Oil & Gas Technologies AS
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met:
11  *
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13  * this list of conditions and the following disclaimer.
14  *
15  * Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in the
17  * documentation and/or other materials provided with the distribution.
18  *
19  * Neither the name of the copyright holder nor the names of its
20  * contributors may be used to endorse or promote products derived from
21  * this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
26  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
27  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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33  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 \**************************************************************************/
35 
36 #include <Inventor/fields/SoSFEnum.h>
37 #include <Inventor/fields/SoSFFloat.h>
38 #include <Inventor/nodes/SoSubNode.h>
39 
40 class COIN_DLL_API SoAlphaTest : public SoNode {
41   typedef SoNode inherited;
42 
43   SO_NODE_HEADER(SoAlphaTest);
44 
45 public:
46   static void initClass(void);
47   SoAlphaTest(void);
48 
49   enum Function {
50       NONE,
51       NEVER,
52       ALWAYS,
53       LESS,
54       LEQUAL,
55       EQUAL,
56       GEQUAL,
57       GREATER,
58       NOTEQUAL
59   };
60 
61   SoSFEnum function;
62   SoSFFloat value;
63 
64   virtual void GLRender(SoGLRenderAction * action);
65 
66 protected:
67   virtual ~SoAlphaTest();
68 
69 }; // SoAlphaTest
70 
71 #endif // !COIN_SOALPHATEST_H
72