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// File: DrawDim_PlanarRadius.cxx
// Created: Fri Jan 12 17:59:57 1996
// Author: Denis PASCAL
// <dp@zerox>
#include <DrawDim_PlanarRadius.ixx>
#include <DrawDim.hxx>
#include <Geom_Curve.hxx>
#include <Geom_Circle.hxx>
#include <gp_Pnt.hxx>
#include <gp_Circ.hxx>
#include <BRep_Tool.hxx>
#include <TCollection_AsciiString.hxx>
#include <Draw_Color.hxx>
#include <ElCLib.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Vertex.hxx>
//=======================================================================
//function : DrawDim_PlanarRadius
//purpose :
//=======================================================================
DrawDim_PlanarRadius::DrawDim_PlanarRadius(const TopoDS_Face& face, const TopoDS_Shape& c)
{
myPlane = face;
myCircle = c;
}
//=======================================================================
//function : DrawDim_PlanarRadius
//purpose :
//=======================================================================
DrawDim_PlanarRadius::DrawDim_PlanarRadius(const TopoDS_Shape& c)
{
myCircle = c;
}
//=======================================================================
//function : DrawOn
//purpose :
//=======================================================================
void DrawDim_PlanarRadius::DrawOn(Draw_Display& dis) const
{
if (myCircle.ShapeType() == TopAbs_EDGE) {
Standard_Real f,l;
Handle(Geom_Curve) curve = BRep_Tool::Curve (TopoDS::Edge(myCircle),f,l);
if (curve->IsKind(STANDARD_TYPE(Geom_Circle))) {
gp_Circ circle = Handle(Geom_Circle)::DownCast(curve)->Circ();
const gp_Pnt& first = circle.Location();
TopoDS_Vertex vf, vl;
TopExp::Vertices(TopoDS::Edge(myCircle),vf,vl);
const gp_Pnt last = BRep_Tool::Pnt(vf);
//
dis.Draw (first,last);
gp_Pnt p ((first.X()+ last.X())/2,(first.Y()+ last.Y())/2,(first.Z()+ last.Z())/2);
DrawText(p,dis);
return;
}
}
cout << " DrawDim_PlanarRadius::DrawOn : dimension error" << endl;
}
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