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// File: HLRBRep_PolyHLRToShape.cxx
// Created: Mon Oct 11 16:55:56 1993
// Author: Christophe MARION
// <cma@nonox>
// Modified by cma, Fri Nov 10 17:36:13 1995
#include <HLRBRep_PolyHLRToShape.ixx>
#include <BRep_Builder.hxx>
#include <BRepLib_MakeEdge2d.hxx>
#include <TopoDS.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_MapOfShape.hxx>
#include <HLRBRep_BiPnt2D.hxx>
#include <HLRBRep_ListIteratorOfListOfBPnt2D.hxx>
#include <HLRAlgo_EdgeStatus.hxx>
#include <HLRAlgo_EdgeIterator.hxx>
#define PntX1 ((Standard_Real*)Coordinates)[0]
#define PntY1 ((Standard_Real*)Coordinates)[1]
#define PntZ1 ((Standard_Real*)Coordinates)[2]
#define PntX2 ((Standard_Real*)Coordinates)[3]
#define PntY2 ((Standard_Real*)Coordinates)[4]
#define PntZ2 ((Standard_Real*)Coordinates)[5]
//=======================================================================
//function : HLRBRep_PolyHLRToShape
//purpose :
//=======================================================================
HLRBRep_PolyHLRToShape::HLRBRep_PolyHLRToShape ()
{}
//=======================================================================
//function : Update
//purpose :
//=======================================================================
void HLRBRep_PolyHLRToShape::Update (const Handle(HLRBRep_PolyAlgo)& A)
{
myAlgo = A;
myHideMode = Standard_True;
Standard_Real sta,end,XSta,YSta,ZSta,XEnd,YEnd,ZEnd,dx,dy;
Standard_ShortReal tolsta,tolend;
HLRAlgo_EdgeIterator It;
myBiPntVis.Clear();
myBiPntHid.Clear();
TopoDS_Shape S;
Standard_Boolean reg1,regn,outl,intl;
const gp_Trsf& T = myAlgo->Projector().Transformation();
HLRAlgo_EdgeStatus status;
Standard_Address Coordinates;
for (myAlgo->InitHide(); myAlgo->MoreHide(); myAlgo->NextHide()) {
myAlgo->Hide(Coordinates,status,S,reg1,regn,outl,intl);
XSta = PntX1;
YSta = PntY1;
ZSta = PntZ1;
XEnd = PntX2;
YEnd = PntY2;
ZEnd = PntZ2;
T.Transforms(XSta,YSta,ZSta);
T.Transforms(XEnd,YEnd,ZEnd);
dx = XEnd - XSta;
dy = YEnd - YSta;
if (sqrt(dx * dx + dy * dy) > 1.e-10) {
for (It.InitVisible(status);
It.MoreVisible();
It.NextVisible()) {
It.Visible(sta,tolsta,end,tolend);
myBiPntVis.Append
(HLRBRep_BiPnt2D
(XSta + sta * dx,YSta + sta * dy,
XSta + end * dx,YSta + end * dy,
S,reg1,regn,outl,intl));
}
for (It.InitHidden(status);
It.MoreHidden();
It.NextHidden()) {
It.Hidden(sta,tolsta,end,tolend);
myBiPntHid.Append
(HLRBRep_BiPnt2D
(XSta + sta * dx,YSta + sta * dy,
XSta + end * dx,YSta + end * dy,
S,reg1,regn,outl,intl));
}
}
}
}
//=======================================================================
//function : InternalCompound
//purpose :
//=======================================================================
TopoDS_Shape
HLRBRep_PolyHLRToShape::InternalCompound (const Standard_Integer typ,
const Standard_Boolean visible,
const TopoDS_Shape& S)
{
TopTools_MapOfShape Map;
if (!S.IsNull()) {
TopExp_Explorer ex;
for (ex.Init(S,TopAbs_EDGE); ex.More(); ex.Next())
Map.Add(ex.Current());
for (ex.Init(S,TopAbs_FACE); ex.More(); ex.Next())
Map.Add(ex.Current());
}
Standard_Boolean todraw,reg1,regn,outl,intl;
Standard_Boolean added = Standard_False;
TopoDS_Shape Result;
BRep_Builder B;
B.MakeCompound(TopoDS::Compound(Result));
if (myHideMode) {
HLRBRep_ListIteratorOfListOfBPnt2D It;
if (visible) It.Initialize(myBiPntVis);
else It.Initialize(myBiPntHid);
for (; It.More(); It.Next()) {
const HLRBRep_BiPnt2D& BP = It.Value();
reg1 = BP.Rg1Line();
regn = BP.RgNLine();
outl = BP.OutLine();
intl = BP.IntLine();
if (typ == 1) todraw = intl;
else if (typ == 2) todraw = reg1 && !regn && !outl;
else if (typ == 3) todraw = regn && !outl;
else todraw = !(intl || (reg1 && !outl));
if (todraw)
if (!S.IsNull()) todraw = Map.Contains(BP.Shape());
if (todraw) {
B.Add(Result,BRepLib_MakeEdge2d(BP.P1(),BP.P2()));
added = Standard_True;
}
}
}
else {
const gp_Trsf& T = myAlgo->Projector().Transformation();
TopoDS_Shape SBP;
Standard_Real XSta,YSta,ZSta,XEnd,YEnd,ZEnd,dx,dy;
Standard_Address Coordinates;
for (myAlgo->InitShow(); myAlgo->MoreShow(); myAlgo->NextShow()) {
myAlgo->Show(Coordinates,SBP,reg1,regn,outl,intl);
if (typ == 1) todraw = intl;
else if (typ == 2) todraw = reg1 && !regn && !outl;
else if (typ == 3) todraw = regn && !outl;
else todraw = !(intl || (reg1 && !outl));
if (todraw)
if (!S.IsNull()) todraw = Map.Contains(SBP);
if (todraw) {
XSta = PntX1;
YSta = PntY1;
ZSta = PntZ1;
XEnd = PntX2;
YEnd = PntY2;
ZEnd = PntZ2;
T.Transforms(XSta,YSta,ZSta);
T.Transforms(XEnd,YEnd,ZEnd);
dx = XEnd - XSta;
dy = YEnd - YSta;
if (sqrt(dx * dx + dy * dy) > 1.e-10) {
B.Add(Result,BRepLib_MakeEdge2d(gp_Pnt2d(XSta,YSta),
gp_Pnt2d(XEnd,YEnd)));
added = Standard_True;
}
}
}
}
if (!added) Result = TopoDS_Shape();
return Result;
}
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