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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
/*-----------------------------------------------------------------------
The PyVTKReference was created in Sep 2010 by David Gobbi.
This class is a proxy for python int and float, it allows these objects
to be passed to VTK methods that require a ref to a numeric type.
-----------------------------------------------------------------------*/
#ifndef PyVTKReference_h
#define PyVTKReference_h
#include "vtkABINamespace.h"
#include "vtkPython.h"
#include "vtkSystemIncludes.h"
#include "vtkWrappingPythonCoreModule.h" // For export macro
// The PyVTKReference is a wrapper around a PyObject of
// type int or float.
struct PyVTKReference
{
PyObject_HEAD
PyObject* value;
};
extern PyTypeObject PyVTKReference_Type;
extern PyTypeObject PyVTKNumberReference_Type;
extern PyTypeObject PyVTKStringReference_Type;
extern PyTypeObject PyVTKTupleReference_Type;
#define PyVTKReference_Check(obj) PyObject_TypeCheck(obj, &PyVTKReference_Type)
extern "C"
{
// Set the value held by a mutable object. It steals the reference
// of the provided value. Only float, long, and int are allowed.
// A return value of -1 indicates than an error occurred.
int PyVTKReference_SetValue(PyObject* self, PyObject* val);
// Get the value held by a mutable object. A borrowed reference
// is returned.
PyObject* PyVTKReference_GetValue(PyObject* self);
}
#endif
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