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SoShapeHintsElement.h
1 #ifndef COIN_SOSHAPEHINTSELEMENT_H
2 #define COIN_SOSHAPEHINTSELEMENT_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/elements/SoSubElement.h>
28
29 class COIN_DLL_API SoShapeHintsElement : public SoElement {
30 typedef SoElement inherited;
31
32 SO_ELEMENT_HEADER(SoShapeHintsElement);
33 public:
34 static void initClass(void);
35 protected:
36 virtual ~SoShapeHintsElement();
37
38 public:
39 enum VertexOrdering {
40 UNKNOWN_ORDERING,
41 CLOCKWISE,
42 COUNTERCLOCKWISE,
43 ORDERING_AS_IS
44 };
45
46 enum ShapeType {
47 UNKNOWN_SHAPE_TYPE,
48 SOLID,
49 SHAPE_TYPE_AS_IS
50 };
51
52 enum FaceType {
53 UNKNOWN_FACE_TYPE,
54 CONVEX,
55 FACE_TYPE_AS_IS
56 };
57
58 virtual void init(SoState * state);
59 virtual void push(SoState * state);
60 virtual void pop(SoState * state, const SoElement * prevtopelement);
61
62 virtual SbBool matches(const SoElement * element) const;
63 virtual SoElement *copyMatchInfo(void) const;
64
65 static void set(SoState * const state, SoNode * const node,
66 const VertexOrdering vertexOrdering,
67 const ShapeType shapeType, const FaceType faceType);
68 static void set(SoState * const state,
69 const VertexOrdering vertexOrdering,
70 const ShapeType shapeType, const FaceType faceType);
71 static void get(SoState * const state, VertexOrdering & vertexOrdering,
72 ShapeType & shapeType, FaceType & faceType);
73
74 static VertexOrdering getVertexOrdering(SoState * const state);
75 static ShapeType getShapeType(SoState * const state);
76 static FaceType getFaceType(SoState * const state);
77
78 static VertexOrdering getDefaultVertexOrdering();
79 static ShapeType getDefaultShapeType();
80 static FaceType getDefaultFaceType();
81
82 virtual void print(FILE * file) const;
83
84 protected:
85 void updateLazyElement(SoState * state);
86 virtual void setElt(VertexOrdering vertexOrdering,
87 ShapeType shapeType, FaceType faceType);
88
89 VertexOrdering vertexOrdering;
90 ShapeType shapeType;
91 FaceType faceType;
92
93 };
94
95 #endif // !COIN_SOSHAPEHINTSELEMENT_H

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