Merge branch 'V9_11_BR'

[modules/shaper.git] / src / GeomAlgoAPI / GeomAlgoAPI_Offset.cpp

diff --git a/src/GeomAlgoAPI/GeomAlgoAPI_Offset.cpp b/src/GeomAlgoAPI/GeomAlgoAPI_Offset.cpp
index 7008b63fee30e4e0ba88639c986f259c8aa1289d..f39936af222ffaebd34413d969695530d4ea68b1 100644 (file)
--- a/src/GeomAlgoAPI/GeomAlgoAPI_Offset.cpp
+++ b/src/GeomAlgoAPI/GeomAlgoAPI_Offset.cpp
@@ -1,4 +1,4 @@
-// Copyright (C) 2019-2019  CEA/DEN, EDF R&D
+// Copyright (C) 2019-2023  CEA, EDF
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -19,8 +19,16 @@
 
 #include "GeomAlgoAPI_Offset.h"
 
+#include <GeomAPI_Pln.h>
+
 #include <BRepOffsetAPI_MakeOffsetShape.hxx>
+#include <BRepOffsetAPI_MakeOffset.hxx>
+
+#include <BRepBuilderAPI_MakeWire.hxx>
+#include <BRepBuilderAPI_MakeFace.hxx>
 
+#include <TopoDS.hxx>
+#include <TopoDS_Wire.hxx>
 
 GeomAlgoAPI_Offset::GeomAlgoAPI_Offset(const GeomShapePtr& theShape,
                                        const double theOffsetValue)
@@ -53,3 +61,54 @@ void GeomAlgoAPI_Offset::generated(const GeomShapePtr theOldShape,
     // nothing is generated
   }
 }
+
+GeomAlgoAPI_Offset::GeomAlgoAPI_Offset(const GeomPlanePtr& thePlane,
+                                       const GeomShapePtr& theEdgeOrWire,
+                                       const double theOffsetValue,
+                                       const GeomAlgoAPI_OffsetJoint theJoint,
+                                       const bool theIsApprox)
+{
+  // 1. Make wire from edge, if need
+  TopoDS_Wire aWire;
+  TopoDS_Shape anEdgeOrWire = theEdgeOrWire->impl<TopoDS_Shape>();
+  if (anEdgeOrWire.ShapeType() == TopAbs_WIRE) {
+    aWire = TopoDS::Wire(anEdgeOrWire);
+  } else {
+    if (anEdgeOrWire.ShapeType() == TopAbs_EDGE) {
+      BRepBuilderAPI_MakeWire aWireBuilder;
+      aWireBuilder.Add(TopoDS::Edge(anEdgeOrWire));
+      if (aWireBuilder.IsDone()) {
+        aWire = aWireBuilder.Wire();
+      }
+    }
+  }
+  if (aWire.IsNull())
+    return;
+
+  // 2. Make invalid face to pass it in Offset algorithm
+  BRepBuilderAPI_MakeFace aFaceBuilder (thePlane->impl<gp_Pln>(), aWire);
+  const TopoDS_Face& aFace = aFaceBuilder.Face();
+
+  // 3. Make Offset
+  BRepOffsetAPI_MakeOffset* aParal = new BRepOffsetAPI_MakeOffset;
+  setImpl(aParal);
+  setBuilderType(OCCT_BRepBuilderAPI_MakeShape);
+
+  // Joint type
+  GeomAbs_JoinType aJoin = GeomAbs_Arc; // default mode, corresponding to KeepDistance
+  if (theJoint == GeomAlgoAPI_OffsetJoint::Lines)
+    aJoin = GeomAbs_Intersection;
+  // for GeomAlgoAPI_OffsetJoint::Arcs do the same as for KeepDistance
+
+  Standard_Boolean isOpenResult = !aWire.Closed();
+  aParal->Init(aFace, aJoin, isOpenResult);
+  aParal->SetApprox(theIsApprox);
+  aParal->Perform(theOffsetValue, 0.);
+  if (aParal->IsDone()) {
+    TopoDS_Shape anOffset = aParal->Shape();
+    GeomShapePtr aResult(new GeomAPI_Shape());
+    aResult->setImpl(new TopoDS_Shape(anOffset));
+    setShape(aResult);
+    setDone(true);
+  }
+}