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// File: DsgPrs_ParalPresentation.cxx
// Created: Tue Nov 28 10:14:40 1995
// Author: Jean-Pierre COMBE
// <jpi>
#include <DsgPrs_ParalPresentation.ixx>
#include <gp_Lin.hxx>
#include <gp_Dir.hxx>
#include <ElCLib.hxx>
#include <gce_MakeLin.hxx>
#include <Graphic3d_Group.hxx>
#include <Graphic3d_Array1OfVertex.hxx>
#include <Prs3d_Arrow.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <Prs3d_LineAspect.hxx>
#include <Prs3d_LengthAspect.hxx>
#include <TCollection_AsciiString.hxx>
#include <Graphic3d_AspectLine3d.hxx>
#include <Prs3d_Text.hxx>
#include <DsgPrs.hxx>
void DsgPrs_ParalPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const TCollection_ExtendedString& aText,
const gp_Pnt& AttachmentPoint1,
const gp_Pnt& AttachmentPoint2,
const gp_Dir& aDirection,
const gp_Pnt& OffsetPoint) {
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
gp_Lin L1 (AttachmentPoint1,aDirection);
gp_Lin L2 (AttachmentPoint2,aDirection);
gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
gp_Lin L3 = gce_MakeLin(Proj1,Proj2);
Standard_Real parmin,parmax,parcur;
parmin = ElCLib::Parameter(L3,Proj1);
parmax = parmin;
parcur = ElCLib::Parameter(L3,Proj2);
Standard_Real dist = Abs(parmin-parcur);
if (parcur < parmin) parmin = parcur;
if (parcur > parmax) parmax = parcur;
parcur = ElCLib::Parameter(L3,OffsetPoint);
gp_Pnt offp = ElCLib::Value(parcur,L3);
Standard_Boolean outside = Standard_False;
if (parcur < parmin) {
parmin = parcur;
outside = Standard_True;
}
if (parcur > parmax) {
parmax = parcur;
outside = Standard_True;
}
gp_Pnt PointMin = ElCLib::Value(parmin,L3);
gp_Pnt PointMax = ElCLib::Value(parmax,L3);
Graphic3d_Array1OfVertex V(1,2);
Quantity_Length X,Y,Z;
PointMin.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
PointMax.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// processing of side : 1st group
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
if (dist < (LA->Arrow1Aspect()->Length()+LA->Arrow2Aspect()->Length())) {
outside = Standard_True;
}
gp_Dir arrdir = L3.Direction().Reversed();
if (outside) {
arrdir.Reverse();
}
// arrow 1 : 2nd group
Prs3d_Arrow::Draw(aPresentation,Proj1,arrdir,
LA->Arrow1Aspect()->Angle(),
LA->Arrow1Aspect()->Length());
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// arrow 2 : 3rd group
Prs3d_Arrow::Draw(aPresentation,Proj2,arrdir.Reversed(),
LA->Arrow2Aspect()->Angle(),
LA->Arrow2Aspect()->Length());
Prs3d_Root::NewGroup(aPresentation);
// text : 4th group
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,offp);
AttachmentPoint1.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj1.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// processing of call 1 : 5th group
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
AttachmentPoint2.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj2.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
Prs3d_Root::NewGroup(aPresentation);
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
// processing of call 2 : 6th group
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
}
//==========================================================================
// function : DsgPrs_ParalPresentation::Add
// purpose : it is possible to choose the symbol of extremities of the face (arrow, point...)
//==========================================================================
void DsgPrs_ParalPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation,
const Handle(Prs3d_Drawer)& aDrawer,
const TCollection_ExtendedString& aText,
const gp_Pnt& AttachmentPoint1,
const gp_Pnt& AttachmentPoint2,
const gp_Dir& aDirection,
const gp_Pnt& OffsetPoint,
const DsgPrs_ArrowSide ArrowPrs){
Handle(Prs3d_LengthAspect) LA = aDrawer->LengthAspect();
Prs3d_Root::CurrentGroup(aPresentation)->SetPrimitivesAspect(LA->LineAspect()->Aspect());
gp_Lin L1 (AttachmentPoint1,aDirection);
gp_Lin L2 (AttachmentPoint2,aDirection);
gp_Pnt Proj1 = ElCLib::Value(ElCLib::Parameter(L1,OffsetPoint),L1);
gp_Pnt Proj2 = ElCLib::Value(ElCLib::Parameter(L2,OffsetPoint),L2);
gp_Lin L3 = gce_MakeLin(Proj1,Proj2);
Standard_Real parmin,parmax,parcur;
parmin = ElCLib::Parameter(L3,Proj1);
parmax = parmin;
parcur = ElCLib::Parameter(L3,Proj2);
Standard_Real dist = Abs(parmin-parcur);
if (parcur < parmin) parmin = parcur;
if (parcur > parmax) parmax = parcur;
parcur = ElCLib::Parameter(L3,OffsetPoint);
gp_Pnt offp = ElCLib::Value(parcur,L3);
Standard_Boolean outside = Standard_False;
if (parcur < parmin) {
parmin = parcur;
outside = Standard_True;
}
if (parcur > parmax) {
parmax = parcur;
outside = Standard_True;
}
gp_Pnt PointMin = ElCLib::Value(parmin,L3);
gp_Pnt PointMax = ElCLib::Value(parmax,L3);
Graphic3d_Array1OfVertex V(1,2);
Quantity_Length X,Y,Z;
PointMin.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
PointMax.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// processing of face
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
if (dist < (LA->Arrow1Aspect()->Length()+LA->Arrow2Aspect()->Length())) {
outside = Standard_True;
}
gp_Dir arrdir = L3.Direction().Reversed();
if (outside) {
arrdir.Reverse();
}
AttachmentPoint1.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj1.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// processing of call 1
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
AttachmentPoint2.Coord(X,Y,Z);
V(1).SetCoord(X,Y,Z);
Proj2.Coord(X,Y,Z);
V(2).SetCoord(X,Y,Z);
// processing of call 2
Prs3d_Root::CurrentGroup(aPresentation)->Polyline(V);
// text
Prs3d_Text::Draw(aPresentation,LA->TextAspect(),aText,offp);
//arrows
DsgPrs::ComputeSymbol(aPresentation,LA,Proj1,Proj2,arrdir,arrdir.Reversed(),ArrowPrs);
}
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