include/opencascade/STEPConstruct.hxx

0001 // Created on: 1999-11-17
0002 // Created by: Andrey BETENEV
0003 // Copyright (c) 1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _STEPConstruct_HeaderFile
0018 #define _STEPConstruct_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_Boolean.hxx>
0025 class StepRepr_RepresentationItem;
0026 class Transfer_FinderProcess;
0027 class TopoDS_Shape;
0028 class TopLoc_Location;
0029 class Transfer_TransientProcess;
0030 class Transfer_Binder;
0031 class StepShape_ShapeDefinitionRepresentation;
0032 class StepShape_ContextDependentShapeRepresentation;
0033
0034 //! Defines tools for creation and investigation STEP constructs
0035 //! used for representing various kinds of data, such as product and
0036 //! assembly structure, unit contexts, associated information
0037 //! The creation of these structures is made according to currently
0038 //! active schema (AP203 or AP214 CD2 or DIS)
0039 //! This is taken from parameter write.step.schema
0040 class STEPConstruct
0041 {
0042 public:
0043   DEFINE_STANDARD_ALLOC
0044
0045   //! Returns STEP entity of the (sub)type of RepresentationItem
0046   //! which is a result of the translation of the Shape, or Null if
0047   //! no result is recorded
0048   Standard_EXPORT static occ::handle<StepRepr_RepresentationItem> FindEntity(
0049     const occ::handle<Transfer_FinderProcess>& FinderProcess,
0050     const TopoDS_Shape&                        Shape);
0051
0052   //! The same as above, but in the case if item not found, repeats
0053   //! search on the same shape without location. The Loc corresponds to the
0054   //! location with which result is found (either location of the Shape,
0055   //! or Null)
0056   Standard_EXPORT static occ::handle<StepRepr_RepresentationItem> FindEntity(
0057     const occ::handle<Transfer_FinderProcess>& FinderProcess,
0058     const TopoDS_Shape&                        Shape,
0059     TopLoc_Location&                           Loc);
0060
0061   //! Returns Shape resulting from given STEP entity (Null if not mapped)
0062   Standard_EXPORT static TopoDS_Shape FindShape(
0063     const occ::handle<Transfer_TransientProcess>&   TransientProcess,
0064     const occ::handle<StepRepr_RepresentationItem>& item);
0065
0066   //! Find CDSR corresponding to the component in the specified assembly
0067   Standard_EXPORT static bool FindCDSR(
0068     const occ::handle<Transfer_Binder>&                         ComponentBinder,
0069     const occ::handle<StepShape_ShapeDefinitionRepresentation>& AssemblySDR,
0070     occ::handle<StepShape_ContextDependentShapeRepresentation>& ComponentCDSR);
0071 };
0072
0073 #endif // _STEPConstruct_HeaderFile