---

Rendering/vtkVolumeProVG500Mapper.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkVolumeProVG500Mapper.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 __vtkVolumeProVG500Mapper_h
#define __vtkVolumeProVG500Mapper_h

#include "vtkVolumeProMapper.h"

#ifdef _WIN32
// This ugly thing will prevent MS Visual Studio .NET from complaining
// about mixing new and old IOStream. This is necessary due to lack of
// platform independency in vli.h. It probably will not work or
// anything, but it will at least compile.
# if ( defined(_MSC_VER) && (_MSC_VER >= 1300) && !defined(_INC_IOSTREAM) )
#   define _INC_IOSTREAM
#   define _VTK_HACKED_UP_INCLUDE_BLOCKER
# endif
# include "VolumePro/inc/vli.h" // Needed for VLI internals
# if defined(_VTK_HACKED_UP_INCLUDE_BLOCKER)
#   undef _INC_IOSTREAM
#   undef _VTK_HACKED_UP_INCLUDE_BLOCKER
# endif
#else
# include "vli/include/vli.h" // Needed for VLI internals
#endif

#ifdef VTK_USE_VOLUMEPRO
#define VTK_VOLUMEPRO_EXPORT VTK_RENDERING_EXPORT
#else
#define VTK_VOLUMEPRO_EXPORT 
#endif

class VTK_VOLUMEPRO_EXPORT vtkVolumeProVG500Mapper : public vtkVolumeProMapper
{
public:
  vtkTypeRevisionMacro(vtkVolumeProVG500Mapper,vtkVolumeProMapper);
  static vtkVolumeProVG500Mapper *New();
  virtual void PrintSelf(ostream& os, vtkIndent indent);


  virtual void Render( vtkRenderer *, vtkVolume * );
  virtual int GetAvailableBoardMemory();
  virtual void GetLockSizesForBoardMemory( unsigned int type,
                                           unsigned int *xSize,
                                           unsigned int *ySize,
                                           unsigned int *zSize );
protected:
  vtkVolumeProVG500Mapper();
  ~vtkVolumeProVG500Mapper();
  
  // Update the camera - set the camera matrix
  void UpdateCamera( vtkRenderer *, vtkVolume * );

  // Update the lights
  void UpdateLights( vtkRenderer *, vtkVolume * );

  // Update the properties of the volume including transfer functions
  // and material properties
  void UpdateProperties( vtkRenderer *, vtkVolume * );

  // Update the volume - create it if necessary
  // Set the volume matrix.
  void UpdateVolume( vtkRenderer *, vtkVolume * );

  // Set the crop box (as defined in the vtkVolumeMapper superclass)
  void UpdateCropping( vtkRenderer *, vtkVolume * );

  // Set the cursor
  void UpdateCursor( vtkRenderer *, vtkVolume * );

  // Update the cut plane
  void UpdateCutPlane( vtkRenderer *, vtkVolume * );

  // Render the hexagon to the screen
  // Defined in the specific graphics implementation.
  virtual void RenderHexagon( vtkRenderer  * vtkNotUsed(ren), 
                              vtkVolume    * vtkNotUsed(vol),
                              VLIPixel     * vtkNotUsed(basePlane),
                              int          size[2],
                              VLIVector3D  hexagon[6], 
                              VLIVector2D  textureCoords[6] ) 
    {(void)size; (void)hexagon; (void)textureCoords;}

  // Make the base plane size a power of 2 for OpenGL
  void CorrectBasePlaneSize( VLIPixel *inBase, int inSize[2],
                             VLIPixel **outBase, int outSize[2],
                             VLIVector2D textureCoords[6] );

  // Keep track of the size of the data loaded so we know if we can
  // simply update when a change occurs or if we need to release and
  // create again
  int LoadedDataSize[3];
  
private:
  vtkVolumeProVG500Mapper(const vtkVolumeProVG500Mapper&);  // Not implemented.
  void operator=(const vtkVolumeProVG500Mapper&);  // Not implemented.
};



#endif

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