1 // Created on: 2001-01-04
2 // Copyright (c) 2001-2014 OPEN CASCADE SAS
4 // This file is part of Open CASCADE Technology software library.
6 // This library is free software; you can redistribute it and/or modify it under
7 // the terms of the GNU Lesser General Public License version 2.1 as published
8 // by the Free Software Foundation, with special exception defined in the file
9 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
10 // distribution for complete text of the license and disclaimer of any warranty.
12 // Alternatively, this file may be used under the terms of Open CASCADE
13 // commercial license or contractual agreement.
15 #ifndef _Graphic3d_ArrayOfTriangleFans_HeaderFile
16 #define _Graphic3d_ArrayOfTriangleFans_HeaderFile
18 #include <Graphic3d_ArrayOfPrimitives.hxx>
20 //! Contains triangles fan array definition
21 class Graphic3d_ArrayOfTriangleFans : public Graphic3d_ArrayOfPrimitives
23 DEFINE_STANDARD_RTTIEXT(Graphic3d_ArrayOfTriangleFans, Graphic3d_ArrayOfPrimitives)
26 //! Creates an array of triangle fans (Graphic3d_TOPA_TRIANGLEFANS), a polygon can be filled as:
27 //! 1) Creating a single fan defined with his vertexes, i.e:
29 //! myArray = Graphic3d_ArrayOfTriangleFans (7);
30 //! myArray->AddVertex (x1, y1, z1);
32 //! myArray->AddVertex (x7, y7, z7);
34 //! 2) creating separate fans defined with a predefined number of fans and the number of vertex per fan, i.e:
36 //! myArray = Graphic3d_ArrayOfTriangleFans (8, 2);
37 //! myArray->AddBound (4);
38 //! myArray->AddVertex (x1, y1, z1);
40 //! myArray->AddVertex (x4, y4, z4);
41 //! myArray->AddBound (4);
42 //! myArray->AddVertex (x5, y5, z5);
44 //! myArray->AddVertex (x8, y8, z8);
46 //! The number of triangle really drawn is: VertexNumber() - 2 * Min(1, BoundNumber())
47 //! @param theMaxVertexs defines the maximum allowed vertex number in the array
48 //! @param theMaxFans defines the maximum allowed fan number in the array
49 //! @param theArrayFlags array flags
50 Graphic3d_ArrayOfTriangleFans (Standard_Integer theMaxVertexs,
51 Standard_Integer theMaxFans,
52 Graphic3d_ArrayFlags theArrayFlags)
53 : Graphic3d_ArrayOfPrimitives (Graphic3d_TOPA_TRIANGLEFANS, theMaxVertexs, theMaxFans, 0, theArrayFlags) {}
55 //! Creates an array of triangle fans (Graphic3d_TOPA_TRIANGLEFANS).
56 //! @param theMaxVertexs defines the maximum allowed vertex number in the array
57 //! @param theMaxFans defines the maximum allowed fan number in the array
58 Graphic3d_ArrayOfTriangleFans (Standard_Integer theMaxVertexs,
59 Standard_Integer theMaxFans = 0,
60 Standard_Boolean theHasVNormals = Standard_False,
61 Standard_Boolean theHasVColors = Standard_False,
62 Standard_Boolean theHasBColors = Standard_False,
63 Standard_Boolean theHasVTexels = Standard_False)
64 : Graphic3d_ArrayOfPrimitives (Graphic3d_TOPA_TRIANGLEFANS, theMaxVertexs, theMaxFans, 0,
65 (theHasVNormals ? Graphic3d_ArrayFlags_VertexNormal : Graphic3d_ArrayFlags_None)
66 | (theHasVColors ? Graphic3d_ArrayFlags_VertexColor : Graphic3d_ArrayFlags_None)
67 | (theHasVTexels ? Graphic3d_ArrayFlags_VertexTexel : Graphic3d_ArrayFlags_None)
68 | (theHasBColors ? Graphic3d_ArrayFlags_BoundColor : Graphic3d_ArrayFlags_None)) {}
72 DEFINE_STANDARD_HANDLE(Graphic3d_ArrayOfTriangleFans, Graphic3d_ArrayOfPrimitives)
74 #endif // _Graphic3d_ArrayOfTriangleFans_HeaderFile