--- /dev/null
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
+// File: GeomAlgoAPI_ShapeBuilder.cpp
+// Created: 27 April 2016
+// Author: Dmitry Bobylev
+
+#include "GeomAlgoAPI_ShapeBuilder.h"
+
+#include "GeomAlgoAPI_MakeShapeCustom.h"
+
+#include <GeomAPI_ShapeIterator.h>
+
+#include <BRep_Builder.hxx>
+#include <BRepBuilderAPI_Copy.hxx>
+#include <BRepExtrema_DistShapeShape.hxx>
+#include <BRepTools_ReShape.hxx>
+#include <Precision.hxx>
+#include <TopExp_Explorer.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Edge.hxx>
+#include <TopoDS_Iterator.hxx>
+#include <TopoDS_Shape.hxx>
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeBuilder::add(std::shared_ptr<GeomAPI_Shape> theShape,
+ const std::shared_ptr<GeomAPI_Shape> theShapeToAdd)
+{
+ if(!theShape.get() || !theShapeToAdd.get()) {
+ return;
+ }
+
+ TopoDS_Shape* aShape = theShape->implPtr<TopoDS_Shape>();
+ const TopoDS_Shape& aShapeToAdd = theShapeToAdd->impl<TopoDS_Shape>();
+
+ BRep_Builder aBuilder;
+ aBuilder.Add(*aShape, aShapeToAdd);
+}
+
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeBuilder::remove(std::shared_ptr<GeomAPI_Shape> theShape,
+ const std::shared_ptr<GeomAPI_Shape> theShapeToRemove)
+{
+ if(!theShape.get() || !theShapeToRemove.get()) {
+ return;
+ }
+
+ TopoDS_Shape* aShape = theShape->implPtr<TopoDS_Shape>();
+ const TopoDS_Shape& aShapeToRemove = theShapeToRemove->impl<TopoDS_Shape>();
+
+ BRep_Builder aBuilder;
+ aBuilder.Remove(*aShape, aShapeToRemove);
+}
+
+//==================================================================================================
+GeomAlgoAPI_ShapeBuilder::GeomAlgoAPI_ShapeBuilder()
+{
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeBuilder::removeInternal(const std::shared_ptr<GeomAPI_Shape> theShape)
+{
+ GeomShapePtr aResultShape = theShape->emptyCopied();
+ GeomAPI_Shape::ShapeType aBaseShapeType = theShape->shapeType();
+ std::shared_ptr<GeomAlgoAPI_MakeShapeCustom> aMakeShapeCustom(new GeomAlgoAPI_MakeShapeCustom());
+ for(GeomAPI_ShapeIterator anIter(theShape); anIter.more(); anIter.next()) {
+ GeomShapePtr aSubShape = anIter.current();
+ if(aBaseShapeType == GeomAPI_Shape::WIRE) {
+ GeomShapePtr aSubShapeCopy = aSubShape->emptyCopied();
+ aMakeShapeCustom->addModified(aSubShape, aSubShapeCopy);
+ for(GeomAPI_ShapeIterator aSubIter(aSubShape); aSubIter.more(); aSubIter.next()) {
+ GeomShapePtr aSubOfSubShape = aSubIter.current();
+ if(aSubOfSubShape->orientation() != GeomAPI_Shape::INTERNAL) {
+ GeomAlgoAPI_ShapeBuilder::add(aSubShapeCopy, aSubOfSubShape);
+ }
+ }
+ GeomAlgoAPI_ShapeBuilder::add(aResultShape, aSubShapeCopy);
+ } else if(aBaseShapeType == GeomAPI_Shape::FACE) {
+ if(aSubShape->shapeType() == GeomAPI_Shape::WIRE
+ && aSubShape->orientation() != GeomAPI_Shape::INTERNAL) {
+ GeomAlgoAPI_ShapeBuilder::add(aResultShape, aSubShape);
+ }
+ }
+ }
+
+ this->appendAlgo(aMakeShapeCustom);
+
+ setShape(aResultShape);
+ setDone(true);
+}
+
+//==================================================================================================
+void GeomAlgoAPI_ShapeBuilder::add(const std::shared_ptr<GeomAPI_Shape> theShape,
+ const ListOfShape& theShapesToAdd)
+{
+ // Get base shape.
+ if(!theShape.get()) {
+ return;
+ }
+ const TopoDS_Shape& aBaseShape = theShape->impl<TopoDS_Shape>();
+ TopAbs_ShapeEnum aBaseShapeType = aBaseShape.ShapeType();
+
+ // Copy base shape.
+ BRepBuilderAPI_Copy* aCopyBuilder = new BRepBuilderAPI_Copy(aBaseShape, Standard_False);
+ this->appendAlgo(std::shared_ptr<GeomAlgoAPI_MakeShape>(new GeomAlgoAPI_MakeShape(aCopyBuilder)));
+ if(!aCopyBuilder->IsDone()) {
+ return;
+ }
+ TopoDS_Shape aResultShape = aCopyBuilder->Shape();
+
+ // Copy sub-shapes from list to new shape.
+ BRep_Builder aBuilder;
+ std::shared_ptr<GeomAlgoAPI_MakeShapeCustom> aMakeShapeCustom(new GeomAlgoAPI_MakeShapeCustom());
+ for(ListOfShape::const_iterator anIt = theShapesToAdd.cbegin(); anIt != theShapesToAdd.cend(); ++anIt) {
+ TopoDS_Shape aShapeToAdd = (*anIt)->impl<TopoDS_Shape>();
+ for(TopExp_Explorer aResExp(aResultShape, TopAbs_VERTEX); aResExp.More(); aResExp.Next()) {
+ const TopoDS_Vertex& aVertexInRes = TopoDS::Vertex(aResExp.Current());
+ const gp_Pnt aPntInRes = BRep_Tool::Pnt(aVertexInRes);
+ for(TopExp_Explorer anAddExp(aShapeToAdd, TopAbs_VERTEX); anAddExp.More(); anAddExp.Next()) {
+ const TopoDS_Vertex& aVertexInAdd = TopoDS::Vertex(anAddExp.Current());
+ const gp_Pnt aPntInAdd = BRep_Tool::Pnt(aVertexInAdd);
+ if(aPntInRes.Distance(aPntInAdd) < Precision::Confusion()) {
+ BRepTools_ReShape aReShape;
+ TopoDS_Shape aVertexInResMod = aVertexInRes;
+ aVertexInResMod.Orientation(aVertexInAdd.Orientation());
+ aReShape.Replace(aVertexInAdd, aVertexInResMod);
+ TopoDS_Shape aModShape = aReShape.Apply(aShapeToAdd);
+
+ GeomShapePtr aGeomBaseShape(new GeomAPI_Shape());
+ GeomShapePtr aGeomModShape(new GeomAPI_Shape());
+ aGeomBaseShape->setImpl(new TopoDS_Shape(aShapeToAdd));
+ aGeomModShape->setImpl(new TopoDS_Shape(aModShape));
+ aMakeShapeCustom->addModified(aGeomBaseShape, aGeomModShape);
+ aShapeToAdd = aModShape;
+ }
+ }
+ }
+ TopAbs_ShapeEnum aShapeToAddType = aShapeToAdd.ShapeType();
+ if(aBaseShapeType == TopAbs_WIRE) {
+ if(aShapeToAddType == TopAbs_VERTEX) {
+ // Find on which edge vertex is lie and add to this edge.
+ for(TopExp_Explorer aResultExp(aResultShape, TopAbs_EDGE); aResultExp.More(); aResultExp.Next()) {
+ TopoDS_Shape anEdge = aResultExp.Current();
+ BRepExtrema_DistShapeShape aDist(anEdge, aShapeToAdd);
+ aDist.Perform();
+ if(aDist.IsDone() && aDist.Value() <= Precision::Confusion()) {
+ aShapeToAdd.Orientation(TopAbs_INTERNAL);
+ Standard_Boolean aFreeFlag = anEdge.Free();
+ anEdge.Free(Standard_True);
+ aBuilder.Add(anEdge, aShapeToAdd);
+ anEdge.Free(aFreeFlag);
+ break;
+ }
+ }
+ }
+ } else if(aBaseShapeType == GeomAPI_Shape::FACE) {
+ if(aShapeToAddType == GeomAPI_Shape::EDGE) {
+ aShapeToAdd.Orientation(TopAbs_INTERNAL);
+ TopoDS_Wire aWire;
+ aBuilder.MakeWire(aWire);
+ aBuilder.Add(aWire, aShapeToAdd);
+ aShapeToAdd = aWire;
+ aShapeToAdd.Orientation(TopAbs_INTERNAL);
+ }
+ aBuilder.Add(aResultShape, aShapeToAdd);
+ }
+ }
+ this->appendAlgo(aMakeShapeCustom);
+
+ // Set result.
+ std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(aResultShape));
+ setShape(aShape);
+ setDone(true);
+}
