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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.
266 lines
7.1 KiB
C++
266 lines
7.1 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_Surface.ixx>
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#include <GeomTools_SurfaceSet.hxx>
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#include <GeomAdaptor_HSurface.hxx>
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#include <Adaptor3d_IsoCurve.hxx>
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#include <Precision.hxx>
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Standard_Real DrawTrSurf_SurfaceLimit = 400;
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//=======================================================================
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//function : DrawTrSurf_Surface
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//purpose :
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//=======================================================================
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DrawTrSurf_Surface::DrawTrSurf_Surface (const Handle(Geom_Surface)& S)
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: DrawTrSurf_Drawable (16, 0.01, 1)
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{
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surf = S;
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boundsLook = Draw_jaune;
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isosLook = Draw_bleu;
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nbUIsos = 1;
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nbVIsos = 1;
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}
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//=======================================================================
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//function : DrawTrSurf_Surface
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//purpose :
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//=======================================================================
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DrawTrSurf_Surface::DrawTrSurf_Surface
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(const Handle(Geom_Surface)& S, const Standard_Integer Nu,
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const Standard_Integer Nv,
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const Draw_Color& BoundsColor, const Draw_Color& IsosColor,
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const Standard_Integer Discret, const Standard_Real Deflection,
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const Standard_Integer DrawMode)
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: DrawTrSurf_Drawable (Discret, Deflection, DrawMode)
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{
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surf = S;
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boundsLook = BoundsColor;
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isosLook = IsosColor;
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nbUIsos = Abs(Nu);
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nbVIsos = Abs(Nv);
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}
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//=======================================================================
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//function : DrawOn
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//purpose :
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//=======================================================================
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void DrawTrSurf_Surface::DrawOn (Draw_Display& dis) const
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{
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DrawOn(dis,Standard_True);
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}
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//=======================================================================
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//function : DrawOn
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//purpose :
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//=======================================================================
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void DrawTrSurf_Surface::DrawOn (Draw_Display& dis,
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const Standard_Boolean Iso) const
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{
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Standard_Real UFirst, ULast, VFirst, VLast;
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surf->Bounds (UFirst, ULast, VFirst, VLast);
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Standard_Boolean UfirstInf = Precision::IsNegativeInfinite(UFirst);
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Standard_Boolean UlastInf = Precision::IsPositiveInfinite(ULast);
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Standard_Boolean VfirstInf = Precision::IsNegativeInfinite(VFirst);
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Standard_Boolean VlastInf = Precision::IsPositiveInfinite(VLast);
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if (UfirstInf || UlastInf) {
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gp_Pnt P1,P2;
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Standard_Real v;
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if (VfirstInf && VlastInf)
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v = 0;
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else if (VfirstInf)
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v = VLast;
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else if (VlastInf)
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v = VFirst;
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else
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v = (VFirst + VLast) / 2;
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Standard_Real delta = 1.;
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if (UfirstInf && UlastInf) {
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do {
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delta *= 2;
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UFirst = - delta;
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ULast = delta;
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surf->D0(UFirst,v,P1);
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surf->D0(ULast,v,P2);
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} while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
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}
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else if (UfirstInf) {
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surf->D0(ULast,v,P2);
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do {
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delta *= 2;
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UFirst = ULast - delta;
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surf->D0(UFirst,v,P1);
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} while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
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}
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else if (UlastInf) {
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surf->D0(UFirst,v,P1);
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do {
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delta *= 2;
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ULast = UFirst + delta;
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surf->D0(ULast,v,P2);
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} while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
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}
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}
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if (VfirstInf || VlastInf) {
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gp_Pnt P1,P2;
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Standard_Real u = (UFirst + ULast) /2 ;
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Standard_Real delta = 1.;
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if (VfirstInf && VlastInf) {
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do {
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delta *= 2;
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VFirst = - delta;
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VLast = delta;
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surf->D0(u,VFirst,P1);
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surf->D0(u,VLast,P2);
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} while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
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}
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else if (VfirstInf) {
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surf->D0(u,VLast,P2);
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do {
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delta *= 2;
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VFirst = VLast - delta;
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surf->D0(u,VFirst,P1);
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} while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
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}
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else if (VlastInf) {
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surf->D0(u,VFirst,P1);
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do {
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delta *= 2;
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VLast = VFirst + delta;
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surf->D0(u,VLast,P2);
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} while (P1.Distance(P2) < DrawTrSurf_SurfaceLimit);
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}
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}
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Handle(GeomAdaptor_HSurface) HS = new GeomAdaptor_HSurface();
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HS->ChangeSurface().Load(surf,UFirst,ULast,VFirst,VLast);
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Adaptor3d_IsoCurve C(HS);
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if (Iso) {
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dis.SetColor(isosLook);
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Standard_Integer i, j;
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Standard_Real Du = (ULast - UFirst) / (nbUIsos + 1);
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Standard_Real U = UFirst;
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for (i = 1; i <= nbUIsos; i++) {
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U += Du;
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DrawIsoCurveOn(C,GeomAbs_IsoU,U,VFirst,VLast,dis);
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}
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Standard_Real Dv = (VLast - VFirst) / (nbVIsos + 1);
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Standard_Real V = VFirst;
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for (j = 1; j <= nbVIsos; j++) {
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V += Dv;
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DrawIsoCurveOn(C,GeomAbs_IsoV,V,UFirst,ULast,dis);
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}
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}
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// draw bounds
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dis.SetColor(boundsLook);
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if (!UfirstInf) DrawIsoCurveOn(C,GeomAbs_IsoU,UFirst,VFirst,VLast,dis);
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if (!UlastInf) DrawIsoCurveOn(C,GeomAbs_IsoU,ULast ,VFirst,VLast,dis);
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if (!VfirstInf) DrawIsoCurveOn(C,GeomAbs_IsoV,VFirst,UFirst,ULast,dis);
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if (!VlastInf) DrawIsoCurveOn(C,GeomAbs_IsoV,VLast ,UFirst,ULast,dis);
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// draw marker
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DrawIsoCurveOn(C,GeomAbs_IsoU,
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UFirst+(ULast-UFirst)/10.,
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VFirst, VFirst + (VLast-VFirst)/10.,
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dis);
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}
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//=======================================================================
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//function : ShowIsos
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//purpose :
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//=======================================================================
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void DrawTrSurf_Surface::ShowIsos ( const Standard_Integer Nu,
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const Standard_Integer Nv)
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{
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nbUIsos = Abs(Nu);
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nbVIsos = Abs(Nv);
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}
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//=======================================================================
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//function : ClearIsos
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//purpose :
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//=======================================================================
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void DrawTrSurf_Surface::ClearIsos ()
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{
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nbUIsos = 0;
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nbVIsos = 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_Surface::Copy() const
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{
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Handle(DrawTrSurf_Surface) DS = new DrawTrSurf_Surface
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(Handle(Geom_Surface)::DownCast(surf->Copy()),
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nbUIsos,nbVIsos,boundsLook,isosLook,
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GetDiscretisation(),GetDeflection(),GetDrawMode());
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return DS;
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}
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//=======================================================================
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//function : Dump
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//purpose :
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//=======================================================================
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void DrawTrSurf_Surface::Dump(Standard_OStream& S)const
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{
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GeomTools_SurfaceSet::PrintSurface(surf,S);
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}
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//=======================================================================
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//function : Whatis
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//purpose :
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//=======================================================================
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void DrawTrSurf_Surface::Whatis(Draw_Interpretor& S)const
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{
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S << "a surface";
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}
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