-// File: GeomAPI_Wire.cpp
-// Created: 06 Oct 2014
-// Author: Sergey BELASH
+// Copyright (C) 2014-2021 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
-#include <GeomAPI_Interface.h>
-#include <GeomAPI_Wire.h>
+#include "GeomAPI_Wire.h"
+#include "GeomAPI_Pnt.h"
-#include <Standard_TypeDef.hxx>
-#include <TopAbs_ShapeEnum.hxx>
-
-#include <TopoDS.hxx>
-#include <TopoDS_Edge.hxx>
-#include <TopoDS_Wire.hxx>
#include <BRep_Builder.hxx>
#include <BRepTools_WireExplorer.hxx>
+#include <Geom_Line.hxx>
+#include <Geom_TrimmedCurve.hxx>
+#include <Precision.hxx>
+#include <Standard_Type.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Wire.hxx>
-#include <list>
-
-GeomAPI_Wire::GeomAPI_Wire() : GeomAPI_Shape()
+//==================================================================================================
+GeomAPI_Wire::GeomAPI_Wire()
{
- TopoDS_Compound aBigWireImpl;
+ TopoDS_Wire* aWire = new TopoDS_Wire();
+
BRep_Builder aBuilder;
- aBuilder.MakeCompound(aBigWireImpl);
- this->setImpl(new TopoDS_Shape(aBigWireImpl));
+ aBuilder.MakeWire(*aWire);
+
+ this->setImpl(aWire);
}
-void GeomAPI_Wire::addEdge(boost::shared_ptr<GeomAPI_Shape> theEdge)
+//==================================================================================================
+GeomAPI_Wire::GeomAPI_Wire(const std::shared_ptr<GeomAPI_Shape>& theShape)
{
- const TopoDS_Edge& anEdge = theEdge->impl<TopoDS_Edge>();
- if (anEdge.ShapeType() != TopAbs_EDGE)
- return;
- TopoDS_Shape& aWire = const_cast<TopoDS_Shape&>(impl<TopoDS_Shape>());
- BRep_Builder aBuilder;
- aBuilder.Add(aWire, anEdge);
+ if (!theShape->isNull() && theShape->isWire()) {
+ setImpl(new TopoDS_Shape(theShape->impl<TopoDS_Shape>()));
+ }
+}
+
+//==================================================================================================
+bool GeomAPI_Wire::isClosed() const
+{
+ return BRep_Tool::IsClosed(impl<TopoDS_Shape>());
}
-std::list<boost::shared_ptr<GeomAPI_Shape> > GeomAPI_Wire::getEdges()
+//==================================================================================================
+bool GeomAPI_Wire::isPolygon(std::list<GeomPointPtr>& thePoints) const
{
- TopoDS_Shape& aShape = const_cast<TopoDS_Shape&>(impl<TopoDS_Shape>());
- BRepTools_WireExplorer aWireExp(TopoDS::Wire(aShape));
- std::list<boost::shared_ptr<GeomAPI_Shape> > aResult;
- for (; aWireExp.More(); aWireExp.Next()) {
- boost::shared_ptr<GeomAPI_Shape> anEdge(new GeomAPI_Shape);
- anEdge->setImpl(new TopoDS_Shape(aWireExp.Current()));
- aResult.push_back(anEdge);
+ const TopoDS_Wire& aWire = TopoDS::Wire(impl<TopoDS_Shape>());
+
+ bool isPolygon = true;
+ const Handle(Standard_Type)& aLineType = STANDARD_TYPE(Geom_Line);
+ for (BRepTools_WireExplorer anExp(aWire); anExp.More() && isPolygon; anExp.Next()) {
+ const TopoDS_Edge& anEdge = anExp.Current();
+ double aT1, aT2;
+ Handle(Geom_Curve) aC3D = BRep_Tool::Curve(anEdge, aT1, aT2);
+ if (!aC3D.IsNull() && aC3D->IsKind(aLineType)) {
+ gp_Pnt aCorner = BRep_Tool::Pnt(anExp.CurrentVertex());
+ thePoints.push_back(GeomPointPtr(new GeomAPI_Pnt(aCorner.X(), aCorner.Y(), aCorner.Z())));
+ }
+ else
+ isPolygon = false;
}
- return aResult;
+
+ if (!isPolygon)
+ thePoints.clear();
+ return isPolygon;
+}
+
+//==================================================================================================
+bool GeomAPI_Wire::isRectangle(std::list<GeomPointPtr>& thePoints) const
+{
+ thePoints.clear();
+
+ const TopoDS_Wire& aWire = TopoDS::Wire(impl<TopoDS_Shape>());
+ const Handle(Standard_Type)& aLineType = STANDARD_TYPE(Geom_Line);
+ const Handle(Standard_Type)& aTrimmedCurveType = STANDARD_TYPE(Geom_TrimmedCurve);
+
+ gp_XYZ aPrevDir(0, 0, 0);
+
+ for (BRepTools_WireExplorer anExp(aWire); anExp.More(); anExp.Next()) {
+ const TopoDS_Edge& anEdge = anExp.Current();
+ double aT1, aT2;
+ Handle(Geom_Curve) aC3D = BRep_Tool::Curve(anEdge, aT1, aT2);
+ if (aC3D.IsNull())
+ continue;
+ while (aC3D->IsKind(aTrimmedCurveType))
+ aC3D = Handle(Geom_TrimmedCurve)::DownCast(aC3D)->BasisCurve();
+ if (!aC3D.IsNull() && aC3D->IsKind(aLineType)) {
+ gp_Pnt aCorner = BRep_Tool::Pnt(anExp.CurrentVertex());
+ thePoints.push_back(GeomPointPtr(new GeomAPI_Pnt(aCorner.X(), aCorner.Y(), aCorner.Z())));
+ }
+ else
+ return false;
+
+ if (thePoints.size() > 4)
+ return false;
+
+ // collect length of the edge
+ gp_Pnt aStart = aC3D->Value(aT1);
+ gp_Pnt aEnd = aC3D->Value(aT2);
+
+ if (aStart.Distance(aEnd) <= Precision::Confusion())
+ return false;
+
+ // check the edge is orthogonal to the previous
+ gp_XYZ aCurDir = (aEnd.XYZ() - aStart.XYZ()).Normalized();
+ if (aPrevDir.Dot(aCurDir) < Precision::Confusion())
+ aPrevDir = aCurDir;
+ else
+ return false;
+ }
+ return thePoints.size() == 4;
+}
+
+//==================================================================================================
+GeomPointPtr GeomAPI_Wire::middlePoint() const
+{
+ // find middle edge in the wire
+ std::list<GeomShapePtr> aSubs = subShapes(EDGE);
+ size_t aNbSubs = aSubs.size();
+ if (aNbSubs == 0)
+ return GeomPointPtr();
+
+ aNbSubs /= 2;
+ for (; aNbSubs > 0; --aNbSubs)
+ aSubs.pop_front();
+
+ // compute middle point on the middle edge
+ return aSubs.front()->middlePoint();
}
