include/VolumeSlicer.h

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#ifndef __VOLUME_SLICER_H__
#define __VOLUME_SLICER_H__

//-----------------------------------------------------------
//-----------------------------------------------------------

#include <ngl/TransformStack.h>
#include <ngl/Matrix.h>
#include "GLUtil.h"
#include "Texture3D.h"
#include "VertexArrayObject.h"

class VolumeSlicer
{
public:
  VolumeSlicer();

  ~VolumeSlicer();

  void init();

  void passViewProjectionMatrix(
                                ngl::Matrix _modelView,
                                ngl::Matrix _projection
                               );

  void drawSlice(
                  Texture3D*           _texture3D,
                  ngl::TransformStack &_transformStack
                );

  void setSlice(
                int _slice
               );

  void setOpacity(
                  float _opacity
                 );

private:
  VertexArrayObject* m_planeVAO;

  int m_slice;

  float m_opacity;
};

#endif // __VOLUME_SLICER_H__