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/*=========================================================================
Program: Visualization Toolkit
Module: PyVTKObject.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-----------------------------------------------------------------------
The PyVTKObject was created in Oct 2000 by David Gobbi for VTK 3.2.
It was rewritten in Jul 2015 to wrap VTK classes as python type objects.
-----------------------------------------------------------------------*/
#ifndef PyVTKObject_h
#define PyVTKObject_h
#include "vtkWrappingPythonCoreModule.h" // For export macro
#include "vtkPython.h"
#include "vtkSystemIncludes.h"
class vtkObjectBase;
typedef vtkObjectBase *(*vtknewfunc)();
// Flags for special properties or features
#define VTK_PYTHON_IGNORE_UNREGISTER 1 // block Register/UnRegister calls
// This class is used for defining new VTK wrapped classes.
// It contains information such as the methods and docstring, as well
// as extra info that can't easily be stored in the PyTypeObject.
class VTKWRAPPINGPYTHONCORE_EXPORT PyVTKClass
{
public:
PyVTKClass() :
py_type(0), py_methods(0), vtk_name(0), vtk_new(0) {}
PyVTKClass(
PyTypeObject *typeobj, PyMethodDef *methods,
const char *classname, vtknewfunc constructor);
PyTypeObject *py_type;
PyMethodDef *py_methods;
const char *vtk_name; // the name returned by GetClassName()
vtknewfunc vtk_new; // creates a C++ instance of classtype
};
// This is the VTK/Python 'object,' it contains the python object header
// plus a pointer to the associated vtkObjectBase and PyVTKClass.
struct PyVTKObject {
PyObject_HEAD
PyObject *vtk_dict; // each object has its own dict
PyObject *vtk_weakreflist; // list of weak references via python
PyVTKClass *vtk_class; // information about the class
vtkObjectBase *vtk_ptr; // pointer to the C++ object
Py_ssize_t *vtk_buffer; // ndims, shape, strides for Py_buffer
unsigned long *vtk_observers; // used to find our observers
unsigned int vtk_flags; // flags (see list above)
};
extern VTKWRAPPINGPYTHONCORE_EXPORT PyGetSetDef PyVTKObject_GetSet[];
extern VTKWRAPPINGPYTHONCORE_EXPORT PyBufferProcs PyVTKObject_AsBuffer;
extern "C"
{
VTKWRAPPINGPYTHONCORE_EXPORT
PyVTKClass *PyVTKClass_Add(
PyTypeObject *pytype, PyMethodDef *methods, const char *classname,
const char *docstring[], vtknewfunc constructor);
VTKWRAPPINGPYTHONCORE_EXPORT
int PyVTKObject_Check(PyObject *obj);
VTKWRAPPINGPYTHONCORE_EXPORT
PyObject *PyVTKObject_FromPointer(
PyTypeObject *vtkclass, PyObject *pydict, vtkObjectBase *ptr);
VTKWRAPPINGPYTHONCORE_EXPORT
vtkObjectBase *PyVTKObject_GetObject(PyObject *obj);
VTKWRAPPINGPYTHONCORE_EXPORT
void PyVTKObject_AddObserver(PyObject *obj, unsigned long id);
VTKWRAPPINGPYTHONCORE_EXPORT
void PyVTKObject_SetFlag(PyObject *obj, unsigned int flag, int val);
VTKWRAPPINGPYTHONCORE_EXPORT
unsigned int PyVTKObject_GetFlags(PyObject *obj);
VTKWRAPPINGPYTHONCORE_EXPORT
PyObject *PyVTKObject_Repr(PyObject *op);
VTKWRAPPINGPYTHONCORE_EXPORT
PyObject *PyVTKObject_String(PyObject *op);
VTKWRAPPINGPYTHONCORE_EXPORT
int PyVTKObject_Traverse(PyObject *o, visitproc visit, void *arg);
VTKWRAPPINGPYTHONCORE_EXPORT
PyObject *PyVTKObject_New(PyTypeObject *, PyObject *args, PyObject *kwds);
VTKWRAPPINGPYTHONCORE_EXPORT
void PyVTKObject_Delete(PyObject *op);
}
#endif
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