0026500: Add the possibility to save only part of shapes from XCAF document in IGES/STEP writers

Added public methods for specified labels (shapes) transfer in IGES/STEP writers.

src/IGESCAFControl/IGESCAFControl_Writer.cxx

@@ -13,7 +13,6 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-
 #include <IGESCAFControl.hxx>
 #include <IGESCAFControl_Writer.hxx>
 #include <IGESData_IGESEntity.hxx>
@@ -153,27 +152,15 @@ Standard_Boolean IGESCAFControl_Writer::Transfer (const Handle(TDocStd_Document)
 }  
 
 //=======================================================================
-//function : Perform
+//function : Transfer
 //purpose  : 
 //=======================================================================
 
-Standard_Boolean IGESCAFControl_Writer::Perform (const Handle(TDocStd_Document) &doc,
+Standard_Boolean IGESCAFControl_Writer::Transfer (const TDF_Label& label)
-						 const Standard_CString filename)
 {
-  if ( ! Transfer ( doc ) ) return Standard_False;
+  TDF_LabelSequence labels;
-  return Write ( filename ) == IFSelect_RetDone;
+  labels.Append( label );
-}
+  return Transfer( labels );
-  
-//=======================================================================
-//function : Perform
-//purpose  : 
-//=======================================================================
-
-Standard_Boolean IGESCAFControl_Writer::Perform (const Handle(TDocStd_Document) &doc,
-						 const TCollection_AsciiString &filename)
-{
-  if ( ! Transfer ( doc ) ) return Standard_False;
-  return Write ( filename.ToCString() ) == IFSelect_RetDone;
 }
 
 //=======================================================================
@@ -210,6 +197,30 @@ Standard_Boolean IGESCAFControl_Writer::Transfer (const TDF_LabelSequence& label
   return Standard_True;
 }
 
+//=======================================================================
+//function : Perform
+//purpose  : 
+//=======================================================================
+
+Standard_Boolean IGESCAFControl_Writer::Perform (const Handle(TDocStd_Document) &doc,
+						 const Standard_CString filename)
+{
+  if ( ! Transfer ( doc ) ) return Standard_False;
+  return Write ( filename ) == IFSelect_RetDone;
+}
+  
+//=======================================================================
+//function : Perform
+//purpose  : 
+//=======================================================================
+
+Standard_Boolean IGESCAFControl_Writer::Perform (const Handle(TDocStd_Document) &doc,
+						 const TCollection_AsciiString &filename)
+{
+  if ( ! Transfer ( doc ) ) return Standard_False;
+  return Write ( filename.ToCString() ) == IFSelect_RetDone;
+}
+  
 //=======================================================================
 //function : WriteAttributes
 //purpose  : 

src/IGESCAFControl/IGESCAFControl_Writer.hxx

@@ -33,7 +33,6 @@ class TCollection_AsciiString;
 class TopoDS_Shape;
 class XCAFPrs_Style;
 
-
 //! Provides a tool to write DECAF document to the
 //! IGES file. Besides transfer of shapes (including
 //! assemblies) provided by IGESControl, supports also
@@ -72,6 +71,14 @@ public:
   //! Returns True if translation is OK
   Standard_EXPORT Standard_Boolean Transfer (const Handle(TDocStd_Document)& doc);
 
+  //! Transfers labels to a IGES model
+  //! Returns True if translation is OK
+  Standard_EXPORT Standard_Boolean Transfer (const TDF_LabelSequence& labels);
+
+  //! Transfers label to a IGES model
+  //! Returns True if translation is OK
+  Standard_EXPORT Standard_Boolean Transfer (const TDF_Label& label);
+
   Standard_EXPORT Standard_Boolean Perform (const Handle(TDocStd_Document)& doc, const TCollection_AsciiString& filename);
   
   //! Transfers a document and writes it to a IGES file
@@ -98,11 +105,6 @@ public:
 
 protected:
  
-  
-  //! Transfers labels to a IGES model
-  //! Returns True if translation is OK
-  Standard_EXPORT Standard_Boolean Transfer (const TDF_LabelSequence& labels);
-  
   //! Reads colors from DECAF document and assigns them
   //! to corresponding IGES entities
   Standard_EXPORT Standard_Boolean WriteAttributes (const TDF_LabelSequence& labels);

src/STEPCAFControl/STEPCAFControl_Writer.cxx

@@ -315,6 +315,17 @@ Standard_Boolean STEPCAFControl_Writer::Transfer (const TDF_Label &L,
   return Transfer ( myWriter, labels, mode, multi );
 }
 
+//=======================================================================
+//function : Transfer
+//purpose  :
+//=======================================================================
+
+Standard_Boolean STEPCAFControl_Writer::Transfer( const TDF_LabelSequence& labels,
+						  const STEPControl_StepModelType mode,
+						  const Standard_CString multi )
+{
+  return Transfer( myWriter, labels, mode, multi );
+}
 
 //=======================================================================
 //function : Perform

src/STEPCAFControl/STEPCAFControl_Writer.hxx

@@ -73,14 +73,14 @@ public:
   //! Provided for use like single-file writer
   Standard_EXPORT IFSelect_ReturnStatus Write (const Standard_CString filename);
   
-  Standard_EXPORT Standard_Boolean Transfer (const Handle(TDocStd_Document)& doc, const STEPControl_StepModelType mode = STEPControl_AsIs, const Standard_CString multi = 0);
-  
   //! Transfers a document (or single label) to a STEP model
   //! The mode of translation of shape is AsIs
   //! If multi is not null pointer, it switches to multifile
   //! mode (with external refs), and string pointed by <multi>
   //! gives prefix for names of extern files (can be empty string)
   //! Returns True if translation is OK
+  Standard_EXPORT Standard_Boolean Transfer (const Handle(TDocStd_Document)& doc, const STEPControl_StepModelType mode = STEPControl_AsIs, const Standard_CString multi = 0);
+  Standard_EXPORT Standard_Boolean Transfer (const TDF_LabelSequence& L, const STEPControl_StepModelType mode = STEPControl_AsIs, const Standard_CString multi = 0);
   Standard_EXPORT Standard_Boolean Transfer (const TDF_Label& L, const STEPControl_StepModelType mode = STEPControl_AsIs, const Standard_CString multi = 0);
 
   Standard_EXPORT Standard_Boolean Perform (const Handle(TDocStd_Document)& doc, const TCollection_AsciiString& filename);