1 #ifndef COIN_SOSHAPEHINTSELEMENT_H
2 #define COIN_SOSHAPEHINTSELEMENT_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  *
12  * Redistributions of source code must retain the above copyright notice,
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,
28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
29  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
30  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 \**************************************************************************/
35 
36 #include <Inventor/elements/SoSubElement.h>
37 
38 class COIN_DLL_API SoShapeHintsElement : public SoElement {
39   typedef SoElement inherited;
40 
41   SO_ELEMENT_HEADER(SoShapeHintsElement);
42 public:
43   static void initClass(void);
44 protected:
45   virtual ~SoShapeHintsElement();
46 
47 public:
48   enum VertexOrdering {
49     UNKNOWN_ORDERING,
50     CLOCKWISE,
51     COUNTERCLOCKWISE,
52     ORDERING_AS_IS
53   };
54 
55   enum ShapeType {
56     UNKNOWN_SHAPE_TYPE,
57     SOLID,
58     SHAPE_TYPE_AS_IS
59   };
60 
61   enum FaceType {
62     UNKNOWN_FACE_TYPE,
63     CONVEX,
64     FACE_TYPE_AS_IS
65   };
66 
67   virtual void init(SoState * state);
68   virtual void push(SoState * state);
69   virtual void pop(SoState * state, const SoElement * prevtopelement);
70 
71   virtual SbBool matches(const SoElement * element) const;
72   virtual SoElement *copyMatchInfo(void) const;
73 
74   static void set(SoState * const state, SoNode * const node,
75                   const VertexOrdering vertexOrdering,
76                   const ShapeType shapeType, const FaceType faceType);
77   static void set(SoState * const state,
78                   const VertexOrdering vertexOrdering,
79                   const ShapeType shapeType, const FaceType faceType);
80   static void get(SoState * const state, VertexOrdering & vertexOrdering,
81                   ShapeType & shapeType, FaceType & faceType);
82 
83   static VertexOrdering getVertexOrdering(SoState * const state);
84   static ShapeType getShapeType(SoState * const state);
85   static FaceType getFaceType(SoState * const state);
86 
87   static VertexOrdering getDefaultVertexOrdering();
88   static ShapeType getDefaultShapeType();
89   static FaceType getDefaultFaceType();
90 
91   virtual void print(FILE * file) const;
92 
93 protected:
94   void updateLazyElement(SoState * state);
95   virtual void setElt(VertexOrdering vertexOrdering,
96                       ShapeType shapeType, FaceType faceType);
97 
98   VertexOrdering vertexOrdering;
99   ShapeType shapeType;
100   FaceType faceType;
101 
102 };
103 
104 #endif // !COIN_SOSHAPEHINTSELEMENT_H
105