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Rendering/vtkWindowToImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    $RCSfile: vtkWindowToImageFilter.h,v $
00005   Language:  C++
00006 
00007   Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 
00008   All rights reserved.
00009   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00010 
00011      This software is distributed WITHOUT ANY WARRANTY; without even 
00012      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00013      PURPOSE.  See the above copyright notice for more information.
00014 
00015 =========================================================================*/
00056 #ifndef __vtkWindowToImageFilter_h
00057 #define __vtkWindowToImageFilter_h
00058 
00059 #include "vtkImageSource.h"
00060 
00061 class vtkWindow;
00062 
00063 class VTK_RENDERING_EXPORT vtkWindowToImageFilter : public vtkImageSource
00064 {
00065 public:
00066   static vtkWindowToImageFilter *New();
00067 
00068   vtkTypeRevisionMacro(vtkWindowToImageFilter,vtkImageSource);
00069   void PrintSelf(ostream& os, vtkIndent indent);   
00070 
00072   void SetInput(vtkWindow *input);
00073 
00075 
00077   vtkGetObjectMacro(Input,vtkWindow);
00079 
00081 
00082   vtkSetClampMacro(Magnification,int,1,2048);
00083   vtkGetMacro(Magnification,int);
00084   // Description:
00085   // Set/Get the flag that determines which buffer to read from.
00086   // The default is to read from the front buffer.   
00087   vtkBooleanMacro(ReadFrontBuffer, int);
00088   vtkGetMacro(ReadFrontBuffer, int);
00089   vtkSetMacro(ReadFrontBuffer, int);
00091   
00092 protected:
00093   vtkWindowToImageFilter();
00094   ~vtkWindowToImageFilter();
00095 
00096   // vtkWindow is not a vtkDataObject, so we need our own ivar.
00097   vtkWindow *Input;
00098   int Magnification;
00099   int ReadFrontBuffer;
00100   void ExecuteInformation();
00101   void ExecuteData(vtkDataObject *data);
00102 private:
00103   vtkWindowToImageFilter(const vtkWindowToImageFilter&);  // Not implemented.
00104   void operator=(const vtkWindowToImageFilter&);  // Not implemented.
00105 };
00106 
00107 #endif