vtkOpenGLProjectedAAHexahedraMapper.h

Go to the documentation of this file.

/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkOpenGLProjectedAAHexahedraMapper.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 vtkOpenGLProjectedAAHexahedraMapper_h
#define vtkOpenGLProjectedAAHexahedraMapper_h
 
#include "vtkRenderingVolumeOpenGLModule.h" // For export macro
#include "vtkProjectedAAHexahedraMapper.h"
 
class vtkFloatArray;
class vtkPoints;
class vtkUnsignedCharArray;
class vtkVisibilitySort;
class vtkVolumeProperty;
class vtkRenderWindow;
class vtkShaderProgram2;
 
class VTKRENDERINGVOLUMEOPENGL_EXPORT vtkOpenGLProjectedAAHexahedraMapper
  : public vtkProjectedAAHexahedraMapper
{
public:
  vtkTypeMacro(vtkOpenGLProjectedAAHexahedraMapper,
               vtkProjectedAAHexahedraMapper);
  static vtkOpenGLProjectedAAHexahedraMapper *New();
  virtual void PrintSelf(ostream &os, vtkIndent indent);
 
  bool IsRenderSupported(vtkRenderWindow *w);
 
  void Render(vtkRenderer *renderer, vtkVolume *volume);
 
  void ReleaseGraphicsResources(vtkWindow *window);
 
protected:
  vtkOpenGLProjectedAAHexahedraMapper();
  ~vtkOpenGLProjectedAAHexahedraMapper();
 
  float* ConvertScalars(vtkDataArray* inScalars);
 
  float* ConvertPoints(vtkPoints* inPoints);
 
  virtual void ProjectHexahedra(vtkRenderer *renderer, vtkVolume *volume);
 
  void Initialize(vtkRenderer *renderer, vtkVolume *volume);
 
  void UpdatePreintegrationTexture(vtkVolume *vome, vtkDataArray *scalars);
 
  void CreateProgram(vtkRenderWindow *w);
 
  void SetState(double* observer);
 
  void RenderHexahedron(float min[3], float max[3], float scalars[8]);
 
  void UnsetState();
 
 
  bool              Initialized;
 
  int UsingCellColors;
 
  float MaxCellSize;
  vtkTimeStamp InputAnalyzedTime;
  vtkTimeStamp PreintTextureTime;
  vtkTimeStamp ColorsMappedTime;
 
  unsigned int PreintTexture;
 
  // OpenGL arrays for primitive submission
  float* pos_points;
  float* min_points;
  float* node_data1;
  float* node_data2;
 
  // number of pending points
  int num_points;
  static const int max_points = 4096;
 
  // our shader
  vtkShaderProgram2 *Shader;
 
  int GaveError;
 
  float ScalarScale, ScalarShift, ScalarResolution;
  float LengthScale;
 
  vtkVolumeProperty *LastProperty;
 
  vtkFloatArray *ConvertedPoints;
  vtkFloatArray *ConvertedScalars;
 
private:
  vtkOpenGLProjectedAAHexahedraMapper(const vtkOpenGLProjectedAAHexahedraMapper &);  // Not Implemented.
  void operator=(const vtkOpenGLProjectedAAHexahedraMapper &);  // Not Implemented.
};
 
#endif