-// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2012 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
// File: IGESExport.cxx
// Created: Wed May 19 14:49:45 2004
// Author: Pavel TELKOV
-// <ptv@mutex.nnov.opencascade.com>
-//
+
#include "utilities.h"
#include <Basics_Utils.hxx>
#include <IGESControl_Writer.hxx>
#include <Interface_Static.hxx>
-#include <TCollection_AsciiString.hxx>
#include <TopoDS_Shape.hxx>
+#include <TopoDS_Iterator.hxx>
+
+#include <TCollection_AsciiString.hxx>
+
+#include <Standard_Failure.hxx>
#ifdef WNT
#if defined IGESEXPORT_EXPORTS || defined IGESExport_EXPORTS
#define IGESEXPORT_EXPORT
#endif
+//=============================================================================
+/*!
+ * KindOfBRep
+ * \return 0 if theShape contains only simple entities (wires, edges and vertices),
+ * 1 if theShape contains only complex entities (shells, solids and compsolids)
+ * 2 if theShape contains only indifferent entities (faces)
+ * -1 if theShape contains both simple and complex entities (and in this case it
+ * cannot be saved without any loss neither in BRepMode == 0 nor in BRepMode == 1)
+ */
+//=============================================================================
+int KindOfBRep (const TopoDS_Shape& theShape)
+{
+ int aKind = 2;
+
+ switch (theShape.ShapeType())
+ {
+ case TopAbs_COMPOUND:
+ {
+ bool isSimple = false;
+ bool isComplex = false;
+ TopoDS_Iterator anIt (theShape, Standard_True, Standard_True);
+ for (; anIt.More(); anIt.Next()) {
+ TopoDS_Shape aS = anIt.Value();
+ int aKindSub = KindOfBRep(aS);
+ if (aKindSub == 0)
+ isSimple = true;
+ else if (aKindSub == 1)
+ isComplex = true;
+ else if (aKindSub == -1) {
+ return -1; // heterogeneous
+ }
+ }
+ if (isSimple && isComplex)
+ aKind = -1; // heterogeneous
+ else if (isSimple)
+ aKind = 0;
+ else if (isComplex)
+ aKind = 1;
+ }
+ break;
+ case TopAbs_COMPSOLID:
+ case TopAbs_SOLID:
+ case TopAbs_SHELL:
+ aKind = 1;
+ break;
+ case TopAbs_WIRE:
+ case TopAbs_EDGE:
+ case TopAbs_VERTEX:
+ aKind = 0;
+ break;
+ default:
+ aKind = 2;
+ }
+
+ return aKind;
+}
+
//=============================================================================
/*!
*
const TCollection_AsciiString& theFileName,
const TCollection_AsciiString& theFormatName )
{
+ bool ok = false;
+
+ // define, whether to write only faces (5.1 IGES format)
+ // or shells and solids also (5.3 IGES format)
+ int aBrepMode = 0;
+ if (theFormatName.IsEqual("IGES_5_3"))
+ aBrepMode = 1;
+
MESSAGE("Export IGES into file " << theFileName.ToCString());
- try
- {
- // define, whether to write only faces (5.1 IGES format)
- // or shells and solids also (5.3 IGES format)
- int aBrepMode = 0;
- if (theFormatName.IsEqual("IGES_5_3"))
+
+ // Mantis issue 0021350: check being exported shape, as some standalone
+ // entities (edges, wires and vertices) cannot be saved in BRepMode
+ if (aBrepMode == 1) {
+ int aKind = KindOfBRep(theShape);
+ if (aKind == -1)
+ Standard_Failure::Raise("EXPORT_IGES_HETEROGENEOUS_COMPOUND");
+ else if (aKind == 2)
aBrepMode = 1;
+ else
+ aBrepMode = aKind;
+ }
+ // commented for 0021350: Please don't catch exceptions silently and send an
+ // inappropriate error message instead, it is disturbing for the user and for us
+ //try
+ {
// Set "C" numeric locale to save numbers correctly
Kernel_Utils::Localizer loc;
Interface_Static::SetCVal("write.precision.mode","Max");
// perform shape writing
- ICW.AddShape( theShape );
- ICW.ComputeModel();
- bool ok = ICW.Write( theFileName.ToCString() );
-
- // Return previous locale
- if ( ok )
- return 1;
- }
- catch(Standard_Failure)
- {
- //THROW_SALOME_CORBA_EXCEPTION("Exception catched in IGESExport", SALOME::BAD_PARAM);
+ if (ICW.AddShape( theShape )) {
+ ICW.ComputeModel();
+ ok = ICW.Write( theFileName.ToCString() );
+ }
}
- return 0;
+ //catch(Standard_Failure)
+ //{
+ //}
+ return ok;
}
}