---

Common/vtkOutputWindow.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkOutputWindow.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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.

=========================================================================*/
#ifndef __vtkOutputWindow_h
#define __vtkOutputWindow_h

#include "vtkObject.h"

//BTX

class VTK_COMMON_EXPORT vtkOutputWindow;

class VTK_COMMON_EXPORT vtkOutputWindowCleanup
{
public:
  vtkOutputWindowCleanup();
  ~vtkOutputWindowCleanup();
};
//ETX

class VTK_COMMON_EXPORT vtkOutputWindow : public vtkObject
{
public:
// Methods from vtkObject
  vtkTypeRevisionMacro(vtkOutputWindow,vtkObject);
  virtual void PrintSelf(ostream& os, vtkIndent indent);


  static vtkOutputWindow* New();
  // Description:
  // Return the singleton instance with no reference counting.
  static vtkOutputWindow* GetInstance();
  // Description:
  // Supply a user defined output window. Call ->Delete() on the supplied
  // instance after setting it.
  static void SetInstance(vtkOutputWindow *instance);
  // Description:
  // Display the text. Four virtual methods exist, depending on the type of
  // message to display. This allows redirection or reformatting of the
  // messages. The default implementation uses DisplayText for all.
  virtual void DisplayText(const char*);
  virtual void DisplayErrorText(const char*);
  virtual void DisplayWarningText(const char*);
  virtual void DisplayGenericWarningText(const char*);

  virtual void DisplayDebugText(const char*);

  vtkBooleanMacro(PromptUser,int);
  vtkSetMacro(PromptUser, int);
//BTX
  // use this as a way of memory management when the
  // program exits the SmartPointer will be deleted which
  // will delete the Instance singleton
  static vtkOutputWindowCleanup Cleanup;
//ETX
protected:
  vtkOutputWindow();
  virtual ~vtkOutputWindow();
  int PromptUser;
private:
  static vtkOutputWindow* Instance;
private:
  vtkOutputWindow(const vtkOutputWindow&);  // Not implemented.
  void operator=(const vtkOutputWindow&);  // Not implemented.
};

#endif

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