mirror of
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137 lines
4.0 KiB
C++
137 lines
4.0 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 <Draw_Color.hxx>
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#include <Draw_Display.hxx>
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#include <Draw_Drawable3D.hxx>
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#include <DrawTrSurf_BezierCurve.hxx>
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#include <DrawTrSurf_BezierSurface.hxx>
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#include <Geom_BezierSurface.hxx>
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#include <gp_Pnt2d.hxx>
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#include <Standard_Type.hxx>
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#include <TColgp_Array2OfPnt.hxx>
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#include <TColStd_Array1OfReal.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(DrawTrSurf_BezierSurface,DrawTrSurf_Surface)
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DrawTrSurf_BezierSurface::DrawTrSurf_BezierSurface (
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const Handle(Geom_BezierSurface)& S)
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: DrawTrSurf_Surface (S, 1, 1, Draw_jaune, Draw_bleu, 30, 0.05, 0) {
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drawPoles = Standard_True;
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polesLook = Draw_rouge;
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}
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DrawTrSurf_BezierSurface::DrawTrSurf_BezierSurface (
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const Handle(Geom_BezierSurface)& S,
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const Standard_Integer NbUIsos, const Standard_Integer NbVIsos,
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const Draw_Color& BoundsColor, const Draw_Color& IsosColor,
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const Draw_Color& PolesColor, const Standard_Boolean ShowPoles,
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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_Surface (S, NbUIsos, NbVIsos, BoundsColor, IsosColor,
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Discret, Deflection, DrawMode){
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drawPoles = ShowPoles;
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polesLook = PolesColor;
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}
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void DrawTrSurf_BezierSurface::DrawOn (Draw_Display& dis) const {
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Standard_Integer i,j;
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Handle(Geom_BezierSurface) S = Handle(Geom_BezierSurface)::DownCast(surf);
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if (drawPoles) {
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Standard_Integer NbUPoles = S->NbUPoles();
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Standard_Integer NbVPoles = S->NbVPoles();
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dis.SetColor(polesLook);
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TColgp_Array2OfPnt SPoles (1, NbUPoles, 1, NbVPoles);
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S->Poles (SPoles);
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for (j = 1; j <= NbVPoles; j++) {
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dis.MoveTo(SPoles(1, j));
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for (i = 2; i <= NbUPoles; i++) {
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dis.DrawTo(SPoles(i, j));
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}
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}
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for (i = 1; i <= NbUPoles; i++) {
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dis.MoveTo(SPoles(i, 1));
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for (j = 2; j <= NbVPoles; j++) {
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dis.DrawTo(SPoles(i, j));
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}
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}
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}
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DrawTrSurf_Surface::DrawOn(dis);
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}
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void DrawTrSurf_BezierSurface::ShowPoles () { drawPoles = Standard_True; }
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void DrawTrSurf_BezierSurface::ClearPoles () { drawPoles = Standard_False; }
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void DrawTrSurf_BezierSurface::FindPole (
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const Standard_Real X, const Standard_Real Y, const Draw_Display& D,
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const Standard_Real XPrec, Standard_Integer& UIndex, Standard_Integer& VIndex) const {
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Handle(Geom_BezierSurface) bs = Handle(Geom_BezierSurface)::DownCast(surf);
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gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom());
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Standard_Real Prec = XPrec / D.Zoom();
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UIndex++;
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VIndex++;
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Standard_Integer NbUPoles = bs->NbUPoles();
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Standard_Integer NbVPoles = bs->NbVPoles();
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while (VIndex <= NbVPoles) {
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while (UIndex <= NbUPoles) {
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if (D.Project(bs->Pole(UIndex, VIndex)).Distance(p1) <= Prec)
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return;
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UIndex++;
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}
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UIndex = 1;
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VIndex++;
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}
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UIndex = VIndex = 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_BezierSurface::Copy()const
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{
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Handle(DrawTrSurf_BezierSurface) DS = new DrawTrSurf_BezierSurface
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(Handle(Geom_BezierSurface)::DownCast(surf->Copy()),
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nbUIsos,nbVIsos,
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boundsLook,isosLook,polesLook,drawPoles,
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GetDiscretisation(),GetDeflection(),GetDrawMode());
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return DS;
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}
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