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a13df0fee0
Save/Restore interface has been moved to Draw_Drawable3D base class. Create a singleton Draw_Params class for DRAW parameters
161 lines
5.6 KiB
C++
161 lines
5.6 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.hxx>
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#include <Draw_Color.hxx>
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#include <Draw_Display.hxx>
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#include <Draw_MarkerShape.hxx>
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#include <DrawTrSurf.hxx>
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#include <DrawTrSurf_Params.hxx>
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#include <Geom2d_BSplineCurve.hxx>
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#include <GeomTools_Curve2dSet.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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IMPLEMENT_STANDARD_RTTIEXT(DrawTrSurf_BSplineCurve2d, DrawTrSurf_Curve2d)
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DrawTrSurf_BSplineCurve2d::DrawTrSurf_BSplineCurve2d (const Handle(Geom2d_BSplineCurve)& C)
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: DrawTrSurf_Curve2d (C, Draw_vert, 100)
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{
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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 (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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{
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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::FindPole (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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{
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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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{
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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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{
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return;
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}
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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 (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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{
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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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{
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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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{
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return;
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}
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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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//=======================================================================
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//function : Restore
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//purpose :
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//=======================================================================
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Handle(Draw_Drawable3D) DrawTrSurf_BSplineCurve2d::Restore (Standard_IStream& theStream)
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{
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const DrawTrSurf_Params& aParams = DrawTrSurf::Parameters();
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Handle(Geom2d_BSplineCurve) aGeomCurve = Handle(Geom2d_BSplineCurve)::DownCast (GeomTools_Curve2dSet::ReadCurve2d (theStream));
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Handle(DrawTrSurf_BSplineCurve2d) aDrawCurve = new DrawTrSurf_BSplineCurve2d (aGeomCurve,
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aParams.CurvColor, aParams.PolesColor, aParams.KnotsColor,
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aParams.KnotsMarker, aParams.KnotsSize,
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aParams.IsShowPoles, aParams.IsShowKnots,
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aParams.Discret);
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return aDrawCurve;
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}
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