1 // Created by: CKY / Contract Toubro-Larsen
2 // Copyright (c) 1993-1999 Matra Datavision
3 // Copyright (c) 1999-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
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.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 //--------------------------------------------------------------------
17 //--------------------------------------------------------------------
19 #include <gp_GTrsf.hxx>
21 #include <IGESData_LineFontEntity.hxx>
22 #include <IGESDimen_CenterLine.hxx>
23 #include <Standard_DimensionMismatch.hxx>
24 #include <Standard_OutOfRange.hxx>
25 #include <Standard_Type.hxx>
27 IMPLEMENT_STANDARD_RTTIEXT(IGESDimen_CenterLine,IGESData_IGESEntity)
29 IGESDimen_CenterLine::IGESDimen_CenterLine () { }
32 void IGESDimen_CenterLine::Init
33 (const Standard_Integer aDataType,
34 const Standard_Real aZdisp,
35 const Handle(TColgp_HArray1OfXY)& dataPnts)
37 if (dataPnts->Lower() != 1)
38 throw Standard_DimensionMismatch("IGESDimen_CenterLine : Init");
39 theDatatype = aDataType;
40 theZDisplacement = aZdisp;
41 theDataPoints = dataPnts;
42 InitTypeAndForm(106,FormNumber());
43 // FormNumber : 20:points, 21:centres cercles
46 void IGESDimen_CenterLine::SetCrossHair (const Standard_Boolean mode)
48 InitTypeAndForm(106, (mode ? 20 : 21));
52 Standard_Integer IGESDimen_CenterLine::Datatype () const
57 Standard_Integer IGESDimen_CenterLine::NbPoints () const
59 return theDataPoints->Length();
62 Standard_Real IGESDimen_CenterLine::ZDisplacement () const
64 return theZDisplacement;
67 gp_Pnt IGESDimen_CenterLine::Point (const Standard_Integer Index) const
69 gp_XY tempXY = theDataPoints->Value(Index);
70 gp_Pnt point(tempXY.X(), tempXY.Y(), theZDisplacement);
74 gp_Pnt IGESDimen_CenterLine::TransformedPoint
75 (const Standard_Integer Index) const
77 gp_XY point2d = (theDataPoints->Value(Index));
78 gp_XYZ point(point2d.X(), point2d.Y(), theZDisplacement);
79 if (HasTransf()) Location().Transforms(point);
83 Standard_Boolean IGESDimen_CenterLine::IsCrossHair () const
85 return(FormNumber() == 20);