geom/src/GEOMImpl/GEOMImpl_MirrorDriver.cxx
2011-06-06 07:23:11 +00:00

207 lines
7.1 KiB
C++

// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// 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.
//
// 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 <Standard_Stream.hxx>
#include <GEOMImpl_MirrorDriver.hxx>
#include <GEOMImpl_IMirror.hxx>
#include <GEOMImpl_Types.hxx>
#include <GEOM_Function.hxx>
#include <BRep_Tool.hxx>
#include <BRepBuilderAPI_Transform.hxx>
#include <BRepBuilderAPI_MakeVertex.hxx>
#include <BRepClass_FaceClassifier.hxx>
#include <BRepTools.hxx>
#include <TopAbs.hxx>
#include <TopExp.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
#include <Geom_Plane.hxx>
#include <gp_Trsf.hxx>
#include <gp_Pnt.hxx>
#include <gp_Vec.hxx>
//=======================================================================
//function : GetID
//purpose :
//=======================================================================
const Standard_GUID& GEOMImpl_MirrorDriver::GetID()
{
static Standard_GUID aMirrorDriver("FF1BBB57-5D14-4df2-980B-3A668264EA16");
return aMirrorDriver;
}
//=======================================================================
//function : GEOMImpl_MirrorDriver
//purpose :
//=======================================================================
GEOMImpl_MirrorDriver::GEOMImpl_MirrorDriver()
{
}
//=======================================================================
//function : Execute
//purpose :
//=======================================================================
Standard_Integer GEOMImpl_MirrorDriver::Execute(TFunction_Logbook& log) const
{
if (Label().IsNull()) return 0;
Handle(GEOM_Function) aFunction = GEOM_Function::GetFunction(Label());
if (aFunction.IsNull()) return 0;
TopoDS_Shape aShape;
gp_Trsf aTrsf;
GEOMImpl_IMirror TI (aFunction);
Standard_Integer aType = aFunction->GetType();
Handle(GEOM_Function) anOriginalFunction = TI.GetOriginal();
if (anOriginalFunction.IsNull()) return 0;
TopoDS_Shape anOriginal = anOriginalFunction->GetValue();
if (anOriginal.IsNull()) return 0;
// Bug 12158: Check for standalone (not included in faces) degenerated edges
TopTools_IndexedDataMapOfShapeListOfShape aEFMap;
TopExp::MapShapesAndAncestors(anOriginal, TopAbs_EDGE, TopAbs_FACE, aEFMap);
Standard_Integer i, nbE = aEFMap.Extent();
for (i = 1; i <= nbE; i++) {
TopoDS_Shape anEdgeSh = aEFMap.FindKey(i);
if (BRep_Tool::Degenerated(TopoDS::Edge(anEdgeSh))) {
const TopTools_ListOfShape& aFaces = aEFMap.FindFromIndex(i);
if (aFaces.IsEmpty())
Standard_ConstructionError::Raise
("Mirror aborted : cannot process standalone degenerated edge");
}
}
// Perform Mirror
if (aType == MIRROR_PLANE || aType == MIRROR_PLANE_COPY) {
Handle(GEOM_Function) aPlane = TI.GetPlane();
if (aPlane.IsNull()) return 0;
TopoDS_Shape aFaceShape = aPlane->GetValue();
if (aFaceShape.IsNull() || aFaceShape.ShapeType() != TopAbs_FACE) return 0;
TopoDS_Face aFace = TopoDS::Face(aFaceShape);
Handle(Geom_Surface) surf = BRep_Tool::Surface(aFace);
Handle(Geom_Plane) myPlane = Handle(Geom_Plane)::DownCast(surf);
const gp_Ax3 pos = myPlane->Position();
const gp_Pnt loc = pos.Location(); /* location of the plane */
const gp_Dir dir = pos.Direction(); /* Main direction of the plane (Z axis) */
gp_Ax2 aPln (loc, dir);
aTrsf.SetMirror(aPln);
}
else if (aType == MIRROR_AXIS || aType == MIRROR_AXIS_COPY) {
Handle(GEOM_Function) anAxis = TI.GetAxis();
if (anAxis.IsNull()) return 0;
TopoDS_Shape anAxisShape = anAxis->GetValue();
if (anAxisShape.IsNull() || anAxisShape.ShapeType() != TopAbs_EDGE) return 0;
TopoDS_Edge anEdge = TopoDS::Edge(anAxisShape);
gp_Pnt aP1 = BRep_Tool::Pnt(TopExp::FirstVertex(anEdge));
gp_Pnt aP2 = BRep_Tool::Pnt(TopExp::LastVertex (anEdge));
gp_Vec aV (aP1, aP2);
gp_Ax1 anAx1 (aP1, aV);
aTrsf.SetMirror(anAx1);
}
else if (aType == MIRROR_POINT || aType == MIRROR_POINT_COPY) {
Handle(GEOM_Function) aPoint = TI.GetPoint();
if (aPoint.IsNull()) return 0;
TopoDS_Shape aVertexShape = aPoint->GetValue();
if (aVertexShape.IsNull() || aVertexShape.ShapeType() != TopAbs_VERTEX) return 0;
TopoDS_Vertex aVertex = TopoDS::Vertex(aVertexShape);
gp_Pnt aP = BRep_Tool::Pnt(aVertex);
aTrsf.SetMirror(aP);
}
else {
return 0;
}
BRepBuilderAPI_Transform aTransformation (anOriginal, aTrsf, Standard_False);
aShape = aTransformation.Shape();
if (aShape.IsNull()) return 0;
aFunction->SetValue(aShape);
log.SetTouched(Label());
return 1;
}
//=======================================================================
//function : GEOMImpl_MirrorDriver_Type_
//purpose :
//=======================================================================
Standard_EXPORT Handle_Standard_Type& GEOMImpl_MirrorDriver_Type_()
{
static Handle_Standard_Type aType1 = STANDARD_TYPE(TFunction_Driver);
if ( aType1.IsNull()) aType1 = STANDARD_TYPE(TFunction_Driver);
static Handle_Standard_Type aType2 = STANDARD_TYPE(MMgt_TShared);
if ( aType2.IsNull()) aType2 = STANDARD_TYPE(MMgt_TShared);
static Handle_Standard_Type aType3 = STANDARD_TYPE(Standard_Transient);
if ( aType3.IsNull()) aType3 = STANDARD_TYPE(Standard_Transient);
static Handle_Standard_Transient _Ancestors[]= {aType1,aType2,aType3,NULL};
static Handle_Standard_Type _aType = new Standard_Type("GEOMImpl_MirrorDriver",
sizeof(GEOMImpl_MirrorDriver),
1,
(Standard_Address)_Ancestors,
(Standard_Address)NULL);
return _aType;
}
//=======================================================================
//function : DownCast
//purpose :
//=======================================================================
const Handle(GEOMImpl_MirrorDriver) Handle(GEOMImpl_MirrorDriver)::DownCast(const Handle(Standard_Transient)& AnObject)
{
Handle(GEOMImpl_MirrorDriver) _anOtherObject;
if (!AnObject.IsNull()) {
if (AnObject->IsKind(STANDARD_TYPE(GEOMImpl_MirrorDriver))) {
_anOtherObject = Handle(GEOMImpl_MirrorDriver)((Handle(GEOMImpl_MirrorDriver)&)AnObject);
}
}
return _anOtherObject;
}