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SoIndexedTriangleStripSet.h
1 #ifndef COIN_SOINDEXEDTRIANGLESTRIPSET_H
2 #define COIN_SOINDEXEDTRIANGLESTRIPSET_H
3
4 /**************************************************************************\
5 *
6 * This file is part of the Coin 3D visualization library.
7 * Copyright (C) by Kongsberg Oil & Gas Technologies.
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * ("GPL") version 2 as published by the Free Software Foundation.
12 * See the file LICENSE.GPL at the root directory of this source
13 * distribution for additional information about the GNU GPL.
14 *
15 * For using Coin with software that can not be combined with the GNU
16 * GPL, and for taking advantage of the additional benefits of our
17 * support services, please contact Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
23 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24 *
25 \**************************************************************************/
26
27 #include <Inventor/nodes/SoSubNode.h>
28 #include <Inventor/nodes/SoIndexedShape.h>
29 #ifndef COIN_INTERNAL
30 // For Open Inventor compatibility.
31 #include <Inventor/nodes/SoVertexProperty.h>
32 #endif // !COIN_INTERNAL
33
34 #define SO_END_STRIP_INDEX (-1)
35
36 class COIN_DLL_API SoIndexedTriangleStripSet : public SoIndexedShape {
37 typedef SoIndexedShape inherited;
38
39 SO_NODE_HEADER(SoIndexedTriangleStripSet);
40
41 public:
42 static void initClass(void);
43 SoIndexedTriangleStripSet(void);
44
45 virtual void GLRender(SoGLRenderAction * action);
46 virtual void getPrimitiveCount(SoGetPrimitiveCountAction * action);
47 virtual SbBool generateDefaultNormals(SoState * state, SoNormalBundle * nb);
48
49 protected:
50 virtual ~SoIndexedTriangleStripSet();
51
52 virtual SbBool generateDefaultNormals(SoState * state, SoNormalCache * nc);
53 virtual void generatePrimitives(SoAction * action);
54
55 private:
56 enum Binding {
57 OVERALL = 0,
58 PER_STRIP,
59 PER_STRIP_INDEXED,
60 PER_TRIANGLE,
61 PER_TRIANGLE_INDEXED,
62 PER_VERTEX,
63 PER_VERTEX_INDEXED
64 };
65
66 void countPrimitives(int & strips, int & tris);
67 Binding findMaterialBinding(SoState * const state) const;
68 Binding findNormalBinding(SoState * const state) const;
69 };
70
71 #endif // !COIN_SOINDEXEDTRIANGLESTRIPSET_H

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