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d5f74e42d6
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast Wrong license statements corrected in several files. Copyright and license statements added in XSD and GLSL files. Copyright year updated in some files. Obsolete documentation files removed from DrawResources.
157 lines
4.6 KiB
C++
157 lines
4.6 KiB
C++
// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <DrawTrSurf_BSplineCurve2d.ixx>
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#include <Draw_MarkerShape.hxx>
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#include <Geom2d_BSplineCurve.hxx>
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#include <gp_Pnt.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <TColStd_Array1OfReal.hxx>
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DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d (
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const Handle(Geom2d_BSplineCurve)& C)
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: DrawTrSurf_Curve2d (C, Draw_vert, 100) {
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drawKnots = Standard_True;
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knotsForm = Draw_Losange;
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knotsLook = Draw_violet;
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knotsDim = 5;
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drawPoles = Standard_True;
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polesLook = Draw_rouge;
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}
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DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d (
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const Handle(Geom2d_BSplineCurve)& C, const Draw_Color& CurvColor,
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const Draw_Color& PolesColor, const Draw_Color& KnotsColor,
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const Draw_MarkerShape KnotsShape, const Standard_Integer KnotsSize,
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const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots, const Standard_Integer Discret)
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: DrawTrSurf_Curve2d (C, CurvColor, Discret) {
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drawKnots = ShowKnots;
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knotsForm = KnotsShape;
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knotsLook = KnotsColor;
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knotsDim = KnotsSize;
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drawPoles = ShowPoles;
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polesLook = PolesColor;
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}
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void DrawTrSurf_BSplineCurve2d::DrawOn (Draw_Display& dis) const
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{
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Handle(Geom2d_BSplineCurve) C = Handle(Geom2d_BSplineCurve)::DownCast(curv);
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if (drawPoles) {
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Standard_Integer NbPoles = C->NbPoles();
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dis.SetColor(polesLook);
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TColgp_Array1OfPnt2d CPoles (1, NbPoles);
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C->Poles (CPoles);
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dis.MoveTo(CPoles(1));
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for (Standard_Integer i = 2; i <= NbPoles; i++) {
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dis.DrawTo(CPoles(i));
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}
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if (C->IsPeriodic())
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dis.DrawTo(CPoles(1));
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}
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DrawTrSurf_Curve2d::DrawOn(dis);
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if (drawKnots) {
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Standard_Integer NbKnots = C->NbKnots();
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TColStd_Array1OfReal CKnots (1, NbKnots);
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C->Knots (CKnots);
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dis.SetColor(knotsLook);
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for (Standard_Integer i = 1; i <= NbKnots; i++) {
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gp_Pnt2d P = C->Value(CKnots(i));
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dis.DrawMarker (P, knotsForm, knotsDim);
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}
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}
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}
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void DrawTrSurf_BSplineCurve2d::ShowPoles () { drawPoles = Standard_True; }
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void DrawTrSurf_BSplineCurve2d::ShowKnots () { drawKnots = Standard_True; }
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void DrawTrSurf_BSplineCurve2d::ClearPoles () { drawPoles = Standard_False; }
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void DrawTrSurf_BSplineCurve2d::ClearKnots () { drawKnots = Standard_False; }
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void DrawTrSurf_BSplineCurve2d::FindPole (
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const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real XPrec,
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Standard_Integer& Index) const {
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Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv);
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Standard_Real Prec = XPrec / D.Zoom();
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gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom());
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Index++;
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Standard_Integer NbPoles = bc->NbPoles();
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gp_Pnt P;
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gp_Pnt2d P2d;
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while (Index <= NbPoles) {
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P2d = bc->Pole(Index);
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P.SetCoord (P2d.X(), P2d.Y(), 0.0);
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if (D.Project(P).Distance(p1) <= Prec)
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return;
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Index++;
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}
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Index = 0;
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}
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void DrawTrSurf_BSplineCurve2d::FindKnot (
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const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec,
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Standard_Integer& Index) const {
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Handle(Geom2d_BSplineCurve) bc = Handle(Geom2d_BSplineCurve)::DownCast(curv);
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gp_Pnt2d P2d;
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gp_Pnt P;
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gp_Pnt2d p1(X,Y);
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Index++;
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Standard_Integer NbKnots = bc->NbKnots();
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while (Index <= NbKnots) {
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P2d = bc->Value(bc->Knot(Index));
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P.SetCoord (P2d.X(), P2d.Y(), 0.0);
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if (D.Project(P).Distance(p1) <= Prec)
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return;
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Index++;
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}
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Index = 0;
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}
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//=======================================================================
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//function : Copy
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//purpose :
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//=======================================================================
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Handle(Draw_Drawable3D) DrawTrSurf_BSplineCurve2d::Copy()const
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{
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Handle(DrawTrSurf_BSplineCurve2d) DC = new DrawTrSurf_BSplineCurve2d
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(Handle(Geom2d_BSplineCurve)::DownCast(curv->Copy()),
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look,polesLook,knotsLook,knotsForm,knotsDim,
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drawPoles,drawKnots,
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GetDiscretisation());
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return DC;
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}
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