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#include <Prs3d_LengthPresentation.ixx>
#include <gp_Lin.hxx>
#include <gp_Dir.hxx>
#include <ElCLib.hxx>
#include <Graphic3d_Group.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d_LengthAspect.hxx>
#include <TCollection_AsciiString.hxx>
#include <Graphic3d_AspectMarker3d.hxx>
#include <Graphic3d_AspectLine3d.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Prs3d_Text.hxx>
void Prs3d_LengthPresentation::Draw (
const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const TCollection_ExtendedString& aText,
const gp_Pnt& AttachmentPoint1,
const gp_Pnt& AttachmentPoint2,
const gp_Pnt& OffsetPoint) {
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
gp_Dir D (gp_Vec(AttachmentPoint1,AttachmentPoint2));
gp_Lin L (OffsetPoint,D);
gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L,AttachmentPoint1),L);
gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L,AttachmentPoint2),L);
Graphic3d_Array1OfVertex V(1,2);
Quantity_Length X,Y,Z;
Proj1.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
AttachmentPoint1.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
Proj2.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
AttachmentPoint2.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
Proj1.Coord(X,Y,Z);
if (LA->DrawFirstArrow()) {
Prs3d_Arrow::Draw(aPresentation,Proj1,D.Reversed(),
LA->Arrow1Aspect()->Angle(),
LA->Arrow1Aspect()->Length());
}
Quantity_Length X2,Y2,Z2;
Proj2.Coord(X2,Y2,Z2);
if (LA->DrawSecondArrow()) {
Prs3d_Arrow::Draw(aPresentation,Proj2,D,
LA->Arrow2Aspect()->Angle(),
LA->Arrow2Aspect()->Length());
}
gp_Pnt p;
p.SetCoord( (X+X2)/2. , (Y+Y2)/2. , (Z+Z2)/2.);
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,p);
}
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