geom/src/VTKPlugin/VTKPlugin_IOperations.cxx
2024-01-20 13:51:38 +00:00

111 lines
3.8 KiB
C++

// Copyright (C) 2014-2024 CEA, EDF, OPEN CASCADE
//
// 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, or (at your option) any later version.
//
// 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
//
// internal includes
#include "VTKPlugin_IOperations.hxx"
#include "VTKPlugin_ExportDriver.hxx"
#include "VTKPlugin_IExport.hxx"
// KERNEL includes
#include <Basics_DirUtils.hxx>
#include <utilities.h>
// GEOM includes
#include "GEOM_PythonDump.hxx"
#include "GEOMImpl_Types.hxx"
#include <Standard_ErrorHandler.hxx> // CAREFUL ! position of this file is critic : see Lucien PIGNOLONI / OCC
//=============================================================================
/*!
* Constructor
*/
//=============================================================================
VTKPlugin_IOperations::VTKPlugin_IOperations( GEOM_Engine* theEngine )
: GEOMImpl_IBaseIEOperations( theEngine )
{
MESSAGE( "VTKPlugin_IOperations::VTKPlugin_IOperations" );
}
//=============================================================================
/*!
* Destructor
*/
//=============================================================================
VTKPlugin_IOperations::~VTKPlugin_IOperations()
{
MESSAGE( "VTKPlugin_IOperations::~VTKPlugin_IOperations" );
}
//=============================================================================
/*!
* ExportVTK
* Export a shape to VTK format
* \param theOriginal The shape to export
* \param theFileName The name of the file to exported
* \param theDeflection The deflection of the shape to exported
*/
//=============================================================================
void VTKPlugin_IOperations::ExportVTK( const Handle(GEOM_Object) theOriginal,
const TCollection_AsciiString& theFileName,
const double theDeflection )
{
SetErrorCode(KO);
if( theOriginal.IsNull() ) return;
Handle(GEOM_Function) aRefFunction = theOriginal->GetLastFunction();
if( aRefFunction.IsNull() ) return; //There is no function which creates an object to be exported
//Add a new result object
Handle(GEOM_Object) result = GetEngine()->AddObject( GEOM_IMPORT);
//Add an Export function
Handle(GEOM_Function) aFunction = result->AddFunction( VTKPlugin_ExportDriver::GetID(), EXPORT_SHAPE );
if( aFunction.IsNull() ) return;
//Check if the function is set correctly
if( aFunction->GetDriverGUID() != VTKPlugin_ExportDriver::GetID() ) return;
//Set parameters
VTKPlugin_IExport aCI( aFunction );
aCI.SetOriginal( aRefFunction );
aCI.SetFileName( theFileName );
aCI.SetDeflection( theDeflection );
//Perform the Export
try {
OCC_CATCH_SIGNALS;
if( !GetSolver()->ComputeFunction( aFunction ) ) {
SetErrorCode( "Not enough space on disk, or you haven't permissions to write this directory" );
return;
}
}
catch( Standard_Failure& aFail ) {
SetErrorCode( aFail.GetMessageString() );
return;
}
//Make a Python command
std::string convFileName = Kernel_Utils::BackSlashToSlash(theFileName.ToCString());
GEOM::TPythonDump(aFunction) << "geompy.ExportVTK(" << theOriginal << ", \""
<< convFileName.c_str() << "\", " << theDeflection << ")";
SetErrorCode(OK);
}