1 // Created on: 1995-07-24
2 // Created by: Modelistation
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _StdPrs_PoleCurve_HeaderFile
18 #define _StdPrs_PoleCurve_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Prs3d_Root.hxx>
25 #include <Prs3d_Drawer.hxx>
26 #include <Standard_Boolean.hxx>
27 #include <Quantity_Length.hxx>
28 #include <Standard_Integer.hxx>
29 class Prs3d_Presentation;
30 class Adaptor3d_Curve;
33 //! A framework to provide display of Bezier or BSpline curves
34 //! (by drawing a broken line linking the poles of the curve).
35 class StdPrs_PoleCurve : public Prs3d_Root
42 //! Defines display of BSpline and Bezier curves.
43 //! Adds the 3D curve aCurve to the
44 //! StdPrs_PoleCurve algorithm. This shape is found in
45 //! the presentation object aPresentation, and its display
46 //! attributes are set in the attribute manager aDrawer.
47 //! The curve object from Adaptor3d provides data from
48 //! a Geom curve. This makes it possible to use the
49 //! surface in a geometric algorithm.
50 Standard_EXPORT static void Add (const Handle(Prs3d_Presentation)& aPresentation, const Adaptor3d_Curve& aCurve, const Handle(Prs3d_Drawer)& aDrawer);
52 //! returns true if the distance between the point (X,Y,Z) and the
53 //! broken line made of the poles is less then aDistance.
54 Standard_EXPORT static Standard_Boolean Match (const Quantity_Length X, const Quantity_Length Y, const Quantity_Length Z, const Quantity_Length aDistance, const Adaptor3d_Curve& aCurve, const Handle(Prs3d_Drawer)& aDrawer);
56 //! returns the pole the most near of the point (X,Y,Z) and
57 //! returns its range. The distance between the pole and
58 //! (X,Y,Z) must be less then aDistance. If no pole corresponds, 0 is returned.
59 Standard_EXPORT static Standard_Integer Pick (const Quantity_Length X, const Quantity_Length Y, const Quantity_Length Z, const Quantity_Length aDistance, const Adaptor3d_Curve& aCurve, const Handle(Prs3d_Drawer)& aDrawer);
84 #endif // _StdPrs_PoleCurve_HeaderFile