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occt/src/DrawTrSurf/DrawTrSurf_BSplineSurface.cxx
asuraven a13df0fee0 0031990: Coding, Draw Harness - Replace C-like pointers to function in Draw_SaveAndRestore class to virtual function 
Save/Restore interface has been moved to Draw_Drawable3D base class.
Create a singleton Draw_Params class for DRAW parameters
2021-02-20 10:43:32 +03:00

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// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <DrawTrSurf_BSplineSurface.hxx>
#include <Adaptor3d_IsoCurve.hxx>
#include <Draw_Color.hxx>
#include <Draw_Display.hxx>
#include <Draw_MarkerShape.hxx>
#include <DrawTrSurf.hxx>
#include <DrawTrSurf_BSplineCurve.hxx>
#include <DrawTrSurf_Params.hxx>
#include <Geom_BSplineSurface.hxx>
#include <GeomAdaptor_Surface.hxx>
#include <GeomTools_SurfaceSet.hxx>
#include <gp_Pnt2d.hxx>
#include <TColgp_Array2OfPnt.hxx>
#include <TColStd_Array1OfReal.hxx>
IMPLEMENT_STANDARD_RTTIEXT(DrawTrSurf_BSplineSurface, DrawTrSurf_Surface)
DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (const Handle(Geom_BSplineSurface)& S)
: DrawTrSurf_Surface (S, S->NbUKnots()-2, S->NbVKnots()-2,
Draw_jaune, Draw_bleu, 30, 0.05, 0)
{
drawPoles = Standard_True;
drawKnots = Standard_True;
knotsIsos = Standard_True;
knotsForm = Draw_Losange;
knotsLook = Draw_violet;
knotsDim = 5;
polesLook = Draw_rouge;
}
DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (const Handle(Geom_BSplineSurface)& S, const Draw_Color& BoundsColor,
const Draw_Color& IsosColor, const Draw_Color& PolesColor,
const Draw_Color& KnotsColor, const Draw_MarkerShape KnotsShape,
const Standard_Integer KnotsSize, const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots,
const Standard_Integer Discret, const Standard_Real Deflection, const Standard_Integer DrawMode)
: DrawTrSurf_Surface (S, S->NbUKnots()-2, S->NbVKnots()-2, BoundsColor,
IsosColor, Discret, Deflection, DrawMode)
{
knotsIsos = Standard_True;
drawPoles = ShowPoles;
drawKnots = ShowKnots;
knotsForm = KnotsShape;
knotsLook = KnotsColor;
knotsDim = KnotsSize;
polesLook = PolesColor;
}
DrawTrSurf_BSplineSurface::DrawTrSurf_BSplineSurface (const Handle(Geom_BSplineSurface)& S, const Standard_Integer NbUIsos,
const Standard_Integer NbVIsos, const Draw_Color& BoundsColor,
const Draw_Color& IsosColor, const Draw_Color& PolesColor,
const Draw_Color& KnotsColor, const Draw_MarkerShape KnotsShape,
const Standard_Integer KnotsSize, const Standard_Boolean ShowPoles, const Standard_Boolean ShowKnots,
const Standard_Integer Discret, const Standard_Real Deflection, const Standard_Integer DrawMode)
: DrawTrSurf_Surface (S, Abs(NbUIsos), Abs(NbVIsos), BoundsColor,
IsosColor, Discret, Deflection, DrawMode)
{
knotsIsos = Standard_False;
drawPoles = ShowPoles;
drawKnots = ShowKnots;
knotsForm = KnotsShape;
knotsLook = KnotsColor;
knotsDim = KnotsSize;
polesLook = PolesColor;
}
void DrawTrSurf_BSplineSurface::DrawOn (Draw_Display& dis) const
{
Handle(Geom_BSplineSurface) S = Handle(Geom_BSplineSurface)::DownCast(surf);
Standard_Integer i, j;
Standard_Real Ua,Ub,Va,Vb;
S->Bounds(Ua,Ub,Va,Vb);
if (drawPoles)
{
Standard_Integer NbUPoles = S->NbUPoles();
Standard_Integer NbVPoles = S->NbVPoles();
dis.SetColor(polesLook);
TColgp_Array2OfPnt SPoles (1, NbUPoles, 1, NbVPoles);
S->Poles (SPoles);
for (j = 1; j <= NbVPoles; j++)
{
dis.MoveTo(SPoles(1, j));
for (i = 2; i <= NbUPoles; i++)
{
dis.DrawTo(SPoles(i, j));
}
if (S->IsUPeriodic())
{
dis.DrawTo(SPoles(1,j));
}
}
for (i = 1; i <= NbUPoles; i++)
{
dis.MoveTo(SPoles(i, 1));
for (j = 2; j <= NbVPoles; j++)
{
dis.DrawTo(SPoles(i, j));
}
if (S->IsVPeriodic())
{
dis.DrawTo(SPoles(i,1));
}
}
}
if (knotsIsos)
{
Standard_Integer first, last;
Handle(GeomAdaptor_Surface) HS = new GeomAdaptor_Surface();
HS->Load(surf);
Adaptor3d_IsoCurve C(HS);
dis.SetColor(isosLook);
first = S->FirstUKnotIndex() + 1;
last = S->LastUKnotIndex() - 1;
for (i = first; i <= last; i++)
{
DrawIsoCurveOn(C,GeomAbs_IsoU,S->UKnot(i),Va,Vb,dis);
}
first = S->FirstVKnotIndex() + 1;
last = S->LastVKnotIndex() - 1;
for (j = first; j <= last; j++)
{
DrawIsoCurveOn(C,GeomAbs_IsoV,S->VKnot(j),Ua,Ub,dis);
}
}
DrawTrSurf_Surface::DrawOn(dis,!knotsIsos);
if (drawKnots)
{
Standard_Integer first, last;
Standard_Integer NbUKnots = S->NbUKnots();
TColStd_Array1OfReal SUKnots (1, NbUKnots);
S->UKnots (SUKnots);
dis.SetColor(knotsLook);
first = S->FirstUKnotIndex();
last = S->LastUKnotIndex();
for (i = first; i <= last; i++)
{
dis.DrawMarker (S->Value (SUKnots(i), Va), knotsForm, knotsDim);
}
Standard_Integer NbVKnots = S->NbVKnots();
TColStd_Array1OfReal SVKnots (1, NbVKnots);
S->VKnots (SVKnots);
dis.SetColor(knotsLook);
first = S->FirstVKnotIndex();
last = S->LastVKnotIndex();
for (j = first; j <= last; j++)
{
dis.DrawMarker (S->Value (Ua, SVKnots(j)), knotsForm, knotsDim);
}
}
}
void DrawTrSurf_BSplineSurface::ShowKnotsIsos()
{
knotsIsos = Standard_True;
Handle(Geom_BSplineSurface) S = Handle(Geom_BSplineSurface)::DownCast(surf);
nbUIsos = S->NbUKnots()-2;
nbVIsos = S->NbVKnots()-2;
}
void DrawTrSurf_BSplineSurface::ClearIsos()
{
knotsIsos = Standard_False;
nbUIsos = 0;
nbVIsos = 0;
}
void DrawTrSurf_BSplineSurface::ShowIsos (const Standard_Integer Nu, const Standard_Integer Nv)
{
knotsIsos = Standard_False;
nbUIsos = Abs(Nu);
nbVIsos = Abs(Nv);
}
void DrawTrSurf_BSplineSurface::FindPole (const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real XPrec,
Standard_Integer& UIndex, Standard_Integer& VIndex) const
{
Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom());
Standard_Real Prec = XPrec / D.Zoom();
UIndex++;
VIndex++;
Standard_Integer NbUPoles = bs->NbUPoles();
Standard_Integer NbVPoles = bs->NbVPoles();
while (VIndex <= NbVPoles)
{
while (UIndex <= NbUPoles)
{
if (D.Project(bs->Pole(UIndex, VIndex)).Distance(p1) <= Prec)
{
return;
}
UIndex++;
}
UIndex = 1;
VIndex++;
}
UIndex = VIndex = 0;
}
void DrawTrSurf_BSplineSurface::FindUKnot (const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec,
Standard_Integer& UIndex) const
{
Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
gp_Pnt2d p1(X,Y);
UIndex++;
Standard_Integer NbUKnots = bs->NbUKnots();
Standard_Real U1, U2, V1, V2;
surf->Bounds (U1, U2, V1, V2);
while (UIndex <= NbUKnots)
{
if (D.Project(bs->Value(bs->UKnot(UIndex), V1)).Distance(p1) <= Prec)
{
return;
}
UIndex++;
}
UIndex = 0;
}
void DrawTrSurf_BSplineSurface::FindVKnot (const Standard_Real X, const Standard_Real Y, const Draw_Display& D, const Standard_Real Prec,
Standard_Integer& VIndex) const
{
Handle(Geom_BSplineSurface) bs = Handle(Geom_BSplineSurface)::DownCast(surf);
gp_Pnt2d p1(X,Y);
VIndex++;
Standard_Integer NbVKnots = bs->NbVKnots();
Standard_Real U1, U2, V1, V2;
surf->Bounds (U1, U2, V1, V2);
while (VIndex <= NbVKnots)
{
if (D.Project(bs->Value(U1, bs->VKnot(VIndex))).Distance(p1) <= Prec)
{
return;
}
VIndex++;
}
VIndex = 0;
}
//=======================================================================
//function : Copy
//purpose :
//=======================================================================
Handle(Draw_Drawable3D) DrawTrSurf_BSplineSurface::Copy() const
{
Handle(DrawTrSurf_BSplineSurface) DS;
if (!knotsIsos)
{
DS = new DrawTrSurf_BSplineSurface
(Handle(Geom_BSplineSurface)::DownCast(surf->Copy()),
nbUIsos,nbVIsos,
boundsLook,isosLook,polesLook,knotsLook,
knotsForm,knotsDim,drawPoles,drawKnots,
GetDiscretisation(),GetDeflection(),GetDrawMode());
}
else
{
DS = new DrawTrSurf_BSplineSurface
(Handle(Geom_BSplineSurface)::DownCast(surf->Copy()),
boundsLook,isosLook,polesLook,knotsLook,
knotsForm,knotsDim,drawPoles,drawKnots,
GetDiscretisation(),GetDeflection(),GetDrawMode());
}
return DS;
}
//=======================================================================
//function : Restore
//purpose :
//=======================================================================
Handle(Draw_Drawable3D) DrawTrSurf_BSplineSurface::Restore (Standard_IStream& theStream)
{
const DrawTrSurf_Params& aParams = DrawTrSurf::Parameters();
Handle(Geom_BSplineSurface) aGeomSurface = Handle(Geom_BSplineSurface)::DownCast (GeomTools_SurfaceSet::ReadSurface (theStream));
Handle(DrawTrSurf_BSplineSurface) aDrawSurface;
if (!aParams.NeedKnotsIsos)
{
aDrawSurface = new DrawTrSurf_BSplineSurface (aGeomSurface,
aParams.NbUIsos, aParams.NbVIsos,
aParams.BoundsColor, aParams.IsosColor,
aParams.PolesColor, aParams.KnotsColor,
aParams.KnotsMarker, aParams.KnotsSize,
aParams.IsShowPoles, aParams.IsShowKnots,
aParams.Discret, aParams.Deflection, aParams.DrawMode);
}
else
{
aDrawSurface = new DrawTrSurf_BSplineSurface (aGeomSurface,
aParams.BoundsColor, aParams.IsosColor,
aParams.PolesColor, aParams.KnotsColor,
aParams.KnotsMarker, aParams.KnotsSize,
aParams.IsShowPoles, aParams.IsShowKnots,
aParams.Discret, aParams.Deflection, aParams.DrawMode);
}
return aDrawSurface;
}
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