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/*=========================================================================
Program: Visualization Toolkit
Module: vtkQtInitialization.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.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
/**
* @class vtkQtInitialization
* @brief Initializes a Qt application.
*
*
* Utility class that initializes Qt by creating an instance of
* QApplication in its ctor, if one doesn't already exist.
* This is mainly of use in ParaView with filters that use Qt in
* their implementation - create an instance of vtkQtInitialization
* prior to instantiating any filters that require Qt.
*/
#ifndef vtkQtInitialization_h
#define vtkQtInitialization_h
#include "vtkObject.h"
#include "vtkRenderingQtModule.h" // For export macro
class QApplication;
VTK_ABI_NAMESPACE_BEGIN
class VTKRENDERINGQT_EXPORT vtkQtInitialization : public vtkObject
{
public:
static vtkQtInitialization* New();
vtkTypeMacro(vtkQtInitialization, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) override;
protected:
vtkQtInitialization();
~vtkQtInitialization() override;
private:
vtkQtInitialization(const vtkQtInitialization&) = delete;
void operator=(const vtkQtInitialization&) = delete;
QApplication* Application;
};
VTK_ABI_NAMESPACE_END
#endif // vtkQtInitialization_h
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