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