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1 | // Created on: 2014-08-13 |
2 | // Created by: Oleg AGASHIN |
3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #include <BRepMesh_EdgeTessellationExtractor.hxx> |
17 | #include <Geom2d_Curve.hxx> |
18 | #include <Poly_PolygonOnTriangulation.hxx> |
19 | #include <Poly_Triangulation.hxx> |
20 | #include <BRepMesh_ShapeTool.hxx> |
21 | |
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22 | |
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23 | IMPLEMENT_STANDARD_RTTIEXT(BRepMesh_EdgeTessellationExtractor,BRepMesh_IEdgeTool) |
24 | |
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25 | //======================================================================= |
26 | //function : Constructor |
27 | //purpose : |
28 | //======================================================================= |
29 | BRepMesh_EdgeTessellationExtractor::BRepMesh_EdgeTessellationExtractor( |
30 | const TopoDS_Edge& theEdge, |
31 | const Handle(Geom2d_Curve)& thePCurve, |
32 | const TopoDS_Face& theFace, |
33 | const Handle(Poly_Triangulation)& theTriangulation, |
34 | const Handle(Poly_PolygonOnTriangulation)& thePolygon, |
35 | const TopLoc_Location& theLocation) |
36 | : myProvider(theEdge, theFace, thePolygon->Parameters()), |
37 | myPCurve(thePCurve), |
38 | myNodes(theTriangulation->Nodes()), |
39 | myIndices(thePolygon->Nodes()), |
40 | myLoc(theLocation) |
41 | { |
42 | } |
43 | |
44 | //======================================================================= |
45 | //function : Value |
46 | //purpose : |
47 | //======================================================================= |
48 | void BRepMesh_EdgeTessellationExtractor::Value( |
49 | const Standard_Integer theIndex, |
50 | Standard_Real& theParameter, |
51 | gp_Pnt& thePoint, |
52 | gp_Pnt2d& theUV) |
53 | { |
54 | const gp_Pnt& theRefPnt = myNodes(myIndices(theIndex)); |
55 | thePoint = BRepMesh_ShapeTool::UseLocation(theRefPnt, myLoc); |
56 | |
57 | theParameter = myProvider.Parameter(theIndex, thePoint); |
58 | theUV = myPCurve->Value(theParameter); |
59 | } |