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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkOutputWindow.h
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.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 notices for more information.
=========================================================================*/
#ifndef __itkOutputWindow_h
#define __itkOutputWindow_h
#include "itkObject.h"
namespace itk
{
/** \class OutputWindow
* \brief Messages sent from the system are collected by this object.
*
* Text messages that the system should display to the user are sent to
* this object (or subclasses of this object).
*
* \ingroup OSSystemObjects
*/
class ITKCommon_EXPORT OutputWindow : public Object
{
public:
/** Standard class typedefs. */
typedef OutputWindow Self;
typedef Object Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(OutputWindow, Object);
/** This is a singleton pattern New. There will only be ONE
* reference to a OutputWindow object per process. Clients that
* call this must call Delete on the object so that the reference
* counting will work. The single instance will be unreferenced when
* the program exits. */
static Pointer New();
/** Return the singleton instance with no reference counting. */
static Pointer GetInstance();
/** Supply a user defined output window. Call ->Delete() on the supplied
* instance after setting it. */
static void SetInstance(OutputWindow *instance);
/** Send a string to display. */
virtual void DisplayText(const char*);
/** Send a string as an error message to display.
* The default implementation calls DisplayText() but subclasses
* could present this message differently. */
virtual void DisplayErrorText(const char *t) { this->DisplayText(t); };
/** Send a string as a warningmessage to display.
* The default implementation calls DisplayText() but subclasses
* could present this message differently. */
virtual void DisplayWarningText(const char *t) { this->DisplayText(t); };
/** Send a string as a message to display.
* The default implementation calls DisplayText() but subclasses
* could present this message differently. */
virtual void DisplayGenericOutputText(const char *t) {this->DisplayText(t);}
/** Send a string as a debug message to display.
* The default implementation calls DisplayText() but subclasses
* could present this message differently. */
virtual void DisplayDebugText(const char *t) { this->DisplayText(t); };
/** If PromptUser is set to true then each time a line of text
* is displayed, the user is asked if they want to keep getting
* messages. */
itkSetMacro(PromptUser,bool);
itkGetConstMacro(PromptUser,bool);
itkBooleanMacro(PromptUser);
protected:
OutputWindow();
virtual ~OutputWindow();
virtual void PrintSelf(std::ostream& os, Indent indent) const;
private:
OutputWindow(const Self&); //purposely not implemented
void operator=(const Self&); //purposely not implemented
bool m_PromptUser;
static Pointer m_Instance;
};
} // end namespace itk
#endif
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