0022734: Memory allocation error in OpenGl
[occt.git] / src / OpenGl / OpenGl_Polygon.hxx
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b311480e 1// Created on: 2011-07-13
2// Created by: Sergey ZERCHANINOV
3// Copyright (c) 2011-2012 OPEN CASCADE SAS
4//
5// The content of this file is subject to the Open CASCADE Technology Public
6// License Version 6.5 (the "License"). You may not use the content of this file
7// except in compliance with the License. Please obtain a copy of the License
8// at http://www.opencascade.org and read it completely before using this file.
9//
10// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
11// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
12//
13// The Original Code and all software distributed under the License is
14// distributed on an "AS IS" basis, without warranty of any kind, and the
15// Initial Developer hereby disclaims all such warranties, including without
16// limitation, any warranties of merchantability, fitness for a particular
17// purpose or non-infringement. Please see the License for the specific terms
18// and conditions governing the rights and limitations under the License.
19
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20
21#ifndef OpenGl_Polygon_Header
22#define OpenGl_Polygon_Header
23
24#include <InterfaceGraphic_telem.hxx>
25#include <Graphic3d_Array1OfVertex.hxx>
26#include <Graphic3d_TypeOfPolygon.hxx>
27#include <Aspect_InteriorStyle.hxx>
28
29#include <OpenGl_Element.hxx>
30
9d35f668 31#include <NCollection_Vector.hxx>
32
33struct SEQ_;
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34
35struct TEL_POLYGON_DATA
36{
37 Tint num_vertices; /* Number of vertices */
38 Tint facet_flag; /* TEL_FA_NONE or TEL_FA_NORMAL */
39 Tint vertex_flag; /* TEL_VT_NONE or TEL_VT_NORMAL */
40 Tint shape_flag; /* TEL_SHAPE_UNKNOWN or TEL_SHAPE_COMPLEX or
41 TEL_SHAPE_CONVEX or TEL_SHAPE_CONCAVE */
42 Tint reverse_order; /* 1 if polygon vertex must be display in reverse order */
43 TEL_POINT fnormal; /* Facet normal */
44 tel_colour fcolour; /* Facet colour */
45 tel_point vertices; /* Vertices */
46 tel_colour vcolours; /* Vertex colour values */
47 tel_point vnormals; /* Vertex normals */
48 tel_texture_coord vtexturecoord; /* Texture Coordinates */
9d35f668 49 NCollection_Vector<SEQ_> *dsply;
1c35b92f 50 DEFINE_STANDARD_ALLOC
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51};
52
53class OpenGl_Polygon : public OpenGl_Element
54{
55 public:
56
57 OpenGl_Polygon (const Graphic3d_Array1OfVertex& AListVertex,
58 const Graphic3d_TypeOfPolygon AType);
59 virtual ~OpenGl_Polygon ();
60
61 virtual void Render (const Handle(OpenGl_Workspace) &AWorkspace) const;
62
63 protected:
64
65 void draw_polygon_concav (const Handle(OpenGl_Workspace) &AWorkspace, Tint) const;
66
67 void draw_polygon (const Handle(OpenGl_Workspace) &AWorkspace, Tint) const;
68
69 void draw_tmesh (Tint) const;
70
71 void draw_edges (const TEL_COLOUR *, const Aspect_InteriorStyle, const Handle(OpenGl_Workspace) &) const;
72
73 TEL_POLYGON_DATA myData;
74
75 public:
1c35b92f 76 DEFINE_STANDARD_ALLOC
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77};
78
79#endif //OpenGl_Polygon_Header