VTK: dox/Rendering/Core/vtkDistanceToCamera.h Source File

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkDistanceToCamera.h
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00015 /*-------------------------------------------------------------------------
00016   Copyright 2008 Sandia Corporation.
00017   Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
00018   the U.S. Government retains certain rights in this software.
00019 -------------------------------------------------------------------------*/
00031 #ifndef __vtkDistanceToCamera_h
00032 #define __vtkDistanceToCamera_h
00033 
00034 #include "vtkRenderingCoreModule.h" // For export macro
00035 #include "vtkPolyDataAlgorithm.h"
00036 
00037 class vtkRenderer;
00038 
00039 class VTKRENDERINGCORE_EXPORT vtkDistanceToCamera : public vtkPolyDataAlgorithm
00040 {
00041 public:
00042   static vtkDistanceToCamera *New();
00043   vtkTypeMacro(vtkDistanceToCamera,vtkPolyDataAlgorithm);
00044   void PrintSelf(ostream& os, vtkIndent indent);
00045 
00047 
00048   void SetRenderer(vtkRenderer* ren);
00049   vtkGetObjectMacro(Renderer, vtkRenderer);
00051 
00053 
00055   vtkSetMacro(ScreenSize, double);
00056   vtkGetMacro(ScreenSize, double);
00058 
00060 
00061   vtkSetMacro(Scaling, bool);
00062   vtkGetMacro(Scaling, bool);
00063   vtkBooleanMacro(Scaling, bool);
00065 
00067   virtual unsigned long GetMTime();
00068 
00069 protected:
00070   vtkDistanceToCamera();
00071   ~vtkDistanceToCamera();
00072 
00073   int RequestData(
00074     vtkInformation *,
00075     vtkInformationVector **,
00076     vtkInformationVector *);
00077 
00078   vtkRenderer* Renderer;
00079   double ScreenSize;
00080   bool Scaling;
00081   int LastRendererSize[2];
00082   double LastCameraPosition[3];
00083   double LastCameraFocalPoint[3];
00084   double LastCameraViewUp[3];
00085   double LastCameraParallelScale;
00086 
00087 private:
00088   vtkDistanceToCamera(const vtkDistanceToCamera&);  // Not implemented.
00089   void operator=(const vtkDistanceToCamera&);  // Not implemented.
00090 };
00091 
00092 #endif