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Rendering/vtkWindowToImageFilter.h

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 =========================================================================*/
00066 #ifndef __vtkWindowToImageFilter_h
00067 #define __vtkWindowToImageFilter_h
00068 
00069 #include "vtkImageSource.h"
00070 
00071 class vtkWindow;
00072 
00073 class VTK_RENDERING_EXPORT vtkWindowToImageFilter : public vtkImageSource
00074 {
00075 public:
00076   static vtkWindowToImageFilter *New();
00077 
00078   vtkTypeRevisionMacro(vtkWindowToImageFilter,vtkImageSource);
00079   void PrintSelf(ostream& os, vtkIndent indent);   
00080 
00082   void SetInput(vtkWindow *input);
00083 
00085 
00087   vtkGetObjectMacro(Input,vtkWindow);
00089 
00091 
00092   vtkSetClampMacro(Magnification,int,1,2048);
00093   vtkGetMacro(Magnification,int);
00094   // Description:
00095   // Set/Get the flag that determines which buffer to read from.
00096   // The default is to read from the front buffer.   
00097   vtkBooleanMacro(ReadFrontBuffer, int);
00098   vtkGetMacro(ReadFrontBuffer, int);
00099   vtkSetMacro(ReadFrontBuffer, int);
00101   
00102 protected:
00103   vtkWindowToImageFilter();
00104   ~vtkWindowToImageFilter();
00105 
00106   // vtkWindow is not a vtkDataObject, so we need our own ivar.
00107   vtkWindow *Input;
00108   int Magnification;
00109   int ReadFrontBuffer;
00110   void ExecuteInformation();
00111   void ExecuteData(vtkDataObject *data);
00112 private:
00113   vtkWindowToImageFilter(const vtkWindowToImageFilter&);  // Not implemented.
00114   void operator=(const vtkWindowToImageFilter&);  // Not implemented.
00115 };
00116 
00117 #endif