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// File: StdPrs_PoleCurve.cxx
// Created: Mon Jul 24 15:11:50 1995
// Author: Modelistation
// <model@metrox>
#include <StdPrs_PoleCurve.ixx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Graphic3d_Group.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <gp_Pnt.hxx>
#include <gp_Dir.hxx>
#include <gp_Vec.hxx>
#include <TColgp_Array1OfPnt.hxx>
#include <Geom_BezierCurve.hxx>
#include <Geom_BSplineCurve.hxx>
//=======================================================================
//function : Add
//purpose :
//=======================================================================
void StdPrs_PoleCurve::Add (const Handle (Prs3d_Presentation)& aPresentation,
const Adaptor3d_Curve& aCurve,
const Handle (Prs3d_Drawer)& aDrawer)
{
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(aDrawer->LineAspect()->Aspect());
GeomAbs_CurveType CType = aCurve.GetType();
if (CType == GeomAbs_BezierCurve || CType == GeomAbs_BSplineCurve) {
Standard_Real x,y,z;
Standard_Integer i, Nb;
if (CType == GeomAbs_BezierCurve) {
Handle(Geom_BezierCurve) Bz = aCurve.Bezier();
Nb = Bz->NbPoles();
Graphic3d_Array1OfVertex VertexArray(1, Nb);
for (i = 1; i <= Nb; i++) {
(Bz->Pole(i)).Coord(x,y,z);
VertexArray(i).SetCoord(x,y,z);
}
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VertexArray);
}
else if (CType == GeomAbs_BSplineCurve) {
Handle(Geom_BSplineCurve) Bs = aCurve.BSpline();
Nb = Bs->NbPoles();
Graphic3d_Array1OfVertex VertexArray(1, Nb);
for (i = 1; i <= Nb; i++) {
(Bs->Pole(i)).Coord(x,y,z);
VertexArray(i).SetCoord(x,y,z);
}
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(VertexArray);
}
}
if (aDrawer->LineArrowDraw()) {
gp_Pnt Location;
gp_Vec Direction;
aCurve.D1(aCurve.LastParameter(),Location,Direction);
Prs3d_Arrow::Draw (aPresentation,
Location,
gp_Dir(Direction),
aDrawer->ArrowAspect()->Angle(),
aDrawer->ArrowAspect()->Length());
}
}
//=======================================================================
//function : Match
//purpose :
//=======================================================================
Standard_Boolean StdPrs_PoleCurve::Match(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Adaptor3d_Curve& aCurve,
const Handle (Prs3d_Drawer)& aDrawer)
{
GeomAbs_CurveType CType = aCurve.GetType();
Standard_Integer i, Nb = 0;
Standard_Real x,y,z;
if (CType == GeomAbs_BezierCurve) {
Handle(Geom_BezierCurve) Bz = aCurve.Bezier();
Nb = Bz->NbPoles();
for (i = 1; i <= Nb; i++) {
Bz->Pole(i).Coord(x,y,z);
if ( Abs(X-x) +Abs(Y-y)+Abs(Z-z) <= aDistance) return Standard_True;
}
return Standard_False;
}
else if (CType == GeomAbs_BSplineCurve) {
Handle(Geom_BSplineCurve) Bs = aCurve.BSpline();
Nb = Bs->NbPoles();
for (i = 1; i <= Nb; i++) {
Bs->Pole(i).Coord(x,y,z);
if ( Abs(X-x) +Abs(Y-y)+Abs(Z-z) <= aDistance) return Standard_True;
}
return Standard_False;
}
return Standard_False;
}
//=======================================================================
//function : Pick
//purpose :
//=======================================================================
Standard_Integer StdPrs_PoleCurve::Pick
(const Quantity_Length X,
const Quantity_Length Y,
const Quantity_Length Z,
const Quantity_Length aDistance,
const Adaptor3d_Curve& aCurve,
const Handle(Prs3d_Drawer)& aDrawer)
{
Standard_Real x, y, z, DistMin = RealLast();
Standard_Integer num = 0, i, Nb = 0;
Standard_Real dist;
GeomAbs_CurveType CType = aCurve.GetType();
if (CType == GeomAbs_BezierCurve) {
Handle(Geom_BezierCurve) Bz = aCurve.Bezier();
Nb = Bz->NbPoles();
for (i = 1; i <= Nb; i++) {
Bz->Pole(i).Coord(x,y,z);
dist = Abs(X-x) +Abs(Y-y)+Abs(Z-z);
if ( dist <= aDistance) {
if (dist < DistMin) {
DistMin = dist;
num = i;
}
}
}
}
else if (CType == GeomAbs_BSplineCurve) {
Handle(Geom_BSplineCurve) Bs = aCurve.BSpline();
Nb = Bs->NbPoles();
for (i = 1; i <= Nb; i++) {
Bs->Pole(i).Coord(x,y,z);
dist = Abs(X-x) +Abs(Y-y)+Abs(Z-z);
if (dist <= aDistance) {
if (dist < DistMin) {
DistMin = dist;
num = i;
}
}
}
}
return num;
}
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