1 // File: OpenGl_Polygon.hxx
2 // Created: 13 July 2011
3 // Author: Sergey ZERCHANINOV
4 // Copyright: OPEN CASCADE 2011
6 #ifndef OpenGl_Polygon_Header
7 #define OpenGl_Polygon_Header
9 #include <InterfaceGraphic_telem.hxx>
10 #include <Graphic3d_Array1OfVertex.hxx>
11 #include <Graphic3d_TypeOfPolygon.hxx>
12 #include <Aspect_InteriorStyle.hxx>
14 #include <OpenGl_Element.hxx>
16 struct OPENGL_DISPLAY_PGN;
18 struct TEL_POLYGON_DATA
20 Tint num_vertices; /* Number of vertices */
21 Tint facet_flag; /* TEL_FA_NONE or TEL_FA_NORMAL */
22 Tint vertex_flag; /* TEL_VT_NONE or TEL_VT_NORMAL */
23 Tint shape_flag; /* TEL_SHAPE_UNKNOWN or TEL_SHAPE_COMPLEX or
24 TEL_SHAPE_CONVEX or TEL_SHAPE_CONCAVE */
25 Tint reverse_order; /* 1 if polygon vertex must be display in reverse order */
26 TEL_POINT fnormal; /* Facet normal */
27 tel_colour fcolour; /* Facet colour */
28 tel_point vertices; /* Vertices */
29 tel_colour vcolours; /* Vertex colour values */
30 tel_point vnormals; /* Vertex normals */
31 tel_texture_coord vtexturecoord; /* Texture Coordinates */
32 OPENGL_DISPLAY_PGN *dsply;
36 class OpenGl_Polygon : public OpenGl_Element
40 OpenGl_Polygon (const Graphic3d_Array1OfVertex& AListVertex,
41 const Graphic3d_TypeOfPolygon AType);
42 virtual ~OpenGl_Polygon ();
44 virtual void Render (const Handle(OpenGl_Workspace) &AWorkspace) const;
48 void draw_polygon_concav (const Handle(OpenGl_Workspace) &AWorkspace, Tint) const;
50 void draw_polygon (const Handle(OpenGl_Workspace) &AWorkspace, Tint) const;
52 void draw_tmesh (Tint) const;
54 void draw_edges (const TEL_COLOUR *, const Aspect_InteriorStyle, const Handle(OpenGl_Workspace) &) const;
56 TEL_POLYGON_DATA myData;
62 #endif //OpenGl_Polygon_Header