dox/VolumeRendering/vtkVolumeProVP1000Mapper.h

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

  Program:   Visualization Toolkit
  Module:    vtkVolumeProVP1000Mapper.h

  Copyright (c) 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 __vtkVolumeProVP1000Mapper_h
#define __vtkVolumeProVP1000Mapper_h

#include "vtkVolumeProMapper.h"

#ifdef _WIN32
#include "VolumePro1000/inc/vli.h" // Needed for VLI internal types
#else
#include "vli3/include/vli.h" // Needed for VLI internal types
#endif

#define VTK_VOLUME_16BIT 3
#define VTK_VOLUME_32BIT 4

class VTK_VOLUMERENDERING_EXPORT vtkVolumeProVP1000Mapper : public vtkVolumeProMapper
{
public:
  vtkTypeMacro(vtkVolumeProVP1000Mapper,vtkVolumeProMapper);
  static vtkVolumeProVP1000Mapper *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);

  virtual void SetSuperSamplingFactor(double x, double y, double z);

  virtual void SetMipmapLevel(int level);

protected:
  vtkVolumeProVP1000Mapper();
  ~vtkVolumeProVP1000Mapper();
  
  // 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 image buffer to the screen
  // Defined in the specific graphics implementation.
  virtual void RenderImageBuffer( vtkRenderer  * vtkNotUsed(ren),
                                  vtkVolume    * vol,
                                  int          size[2],
                                  unsigned int * outData )
    {(void)vol; (void)size; (void)outData;}

  // Render a bounding box of the volume because the texture map would
  // be too large.
  virtual void RenderBoundingBox( vtkRenderer * vtkNotUsed(ren),
                                  vtkVolume   * vol )
    {(void)vol;}

  // Get the depth buffer values
//BTX
  virtual void GetDepthBufferValues( vtkRenderer *vtkNotUsed(ren),
                                     int vtkNotUsed(size)[2],
                                     unsigned int *outData )
    { (void)outData; }
//ETX

#if ((VTK_MAJOR_VERSION == 3)&&(VTK_MINOR_VERSION == 2))
  vtkGetVectorMacro( VoxelCroppingRegionPlanes, float, 6 );
  void ConvertCroppingRegionPlanesToVoxels();
  float                VoxelCroppingRegionPlanes[6];
#endif

  
  // 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];

  VLIImageBuffer *ImageBuffer;
  VLIDepthBuffer *DepthBuffer;
  
//BTX
  VLIStatus CheckSubSampling(const VLIVolume *inVolume,
                             const VLIContext *inContext,
                             int &outImageWidth, int &outImageHeight);
//ETX

  int DrawBoundingBox;

private:
  vtkVolumeProVP1000Mapper(const vtkVolumeProVP1000Mapper&); // Not implemented
  void operator=(const vtkVolumeProVP1000Mapper&); // Not implemented
};



#endif