mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-16 10:08:36 +03:00
115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
// 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 <Draw_Color.hxx>
|
|
#include <Draw_Display.hxx>
|
|
#include <Draw_Drawable3D.hxx>
|
|
#include <DrawTrSurf_BezierCurve.hxx>
|
|
#include <Geom_BezierCurve.hxx>
|
|
#include <gp_Pnt2d.hxx>
|
|
#include <Standard_Type.hxx>
|
|
#include <TColgp_Array1OfPnt.hxx>
|
|
#include <TColStd_Array1OfReal.hxx>
|
|
|
|
IMPLEMENT_STANDARD_RTTIEXT(DrawTrSurf_BezierCurve,DrawTrSurf_Curve)
|
|
|
|
DrawTrSurf_BezierCurve::DrawTrSurf_BezierCurve (
|
|
const Handle(Geom_BezierCurve)& C)
|
|
: DrawTrSurf_Curve (C, Draw_vert, 16, 0.05, 1) {
|
|
|
|
drawPoles = Standard_True;
|
|
polesLook = Draw_rouge;
|
|
}
|
|
|
|
|
|
|
|
DrawTrSurf_BezierCurve::DrawTrSurf_BezierCurve (
|
|
const Handle(Geom_BezierCurve)& C, const Draw_Color& CurvColor,
|
|
const Draw_Color& PolesColor, const Standard_Boolean ShowPoles,
|
|
const Standard_Integer Discret,const Standard_Real Deflection,
|
|
const Standard_Integer DrawMode ) :
|
|
DrawTrSurf_Curve (C, CurvColor, Discret, Deflection, DrawMode) {
|
|
|
|
drawPoles = ShowPoles;
|
|
polesLook = PolesColor;
|
|
}
|
|
|
|
|
|
void DrawTrSurf_BezierCurve::DrawOn (Draw_Display& dis) const {
|
|
|
|
|
|
Handle(Geom_BezierCurve) C = Handle(Geom_BezierCurve)::DownCast(curv);
|
|
|
|
if (drawPoles) {
|
|
Standard_Integer NbPoles = C->NbPoles();
|
|
dis.SetColor(polesLook);
|
|
TColgp_Array1OfPnt CPoles (1, NbPoles);
|
|
C->Poles (CPoles);
|
|
dis.MoveTo(CPoles(1));
|
|
for (Standard_Integer i = 2; i <= NbPoles; i++) {
|
|
dis.DrawTo(CPoles(i));
|
|
}
|
|
}
|
|
|
|
DrawTrSurf_Curve::DrawOn(dis);
|
|
}
|
|
|
|
|
|
|
|
void DrawTrSurf_BezierCurve::ShowPoles () { drawPoles = Standard_True; }
|
|
|
|
|
|
void DrawTrSurf_BezierCurve::ClearPoles () { drawPoles = Standard_False; }
|
|
|
|
|
|
void DrawTrSurf_BezierCurve::FindPole (
|
|
const Standard_Real X, const Standard_Real Y, const Draw_Display& D,
|
|
const Standard_Real XPrec, Standard_Integer& Index) const {
|
|
|
|
Handle(Geom_BezierCurve) bz = Handle(Geom_BezierCurve)::DownCast(curv);
|
|
gp_Pnt2d p1(X/D.Zoom(),Y/D.Zoom());
|
|
Standard_Real Prec = XPrec / D.Zoom();
|
|
Index++;
|
|
Standard_Integer NbPoles = bz->NbPoles();
|
|
while (Index <= NbPoles) {
|
|
if (D.Project(bz->Pole(Index)).Distance(p1) <= Prec)
|
|
return;
|
|
Index++;
|
|
}
|
|
Index = 0;
|
|
}
|
|
|
|
|
|
//=======================================================================
|
|
//function : Copy
|
|
//purpose :
|
|
//=======================================================================
|
|
|
|
Handle(Draw_Drawable3D) DrawTrSurf_BezierCurve::Copy()const
|
|
{
|
|
Handle(DrawTrSurf_BezierCurve) DC = new DrawTrSurf_BezierCurve
|
|
(Handle(Geom_BezierCurve)::DownCast(curv->Copy()),
|
|
look,polesLook,
|
|
drawPoles,
|
|
GetDiscretisation(),GetDeflection(),GetDrawMode());
|
|
|
|
return DC;
|
|
}
|
|
|
|
|
|
|
|
|
|
|