VolumeViz/readers/SoVRMemoryReader.h

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**=======================================================================*/
/*=======================================================================
** Author      : J.HUMMEL (Oct 2003)
**=======================================================================*/
#ifndef  _SO_VR_MEMORY_READER_
#define  _SO_VR_MEMORY_READER_

#include <LDM/readers/SoVolumeReader.h>

#ifdef _MSC_VER
#pragma warning( push )
#pragma warning(disable:4251)
#endif

class SoBufferObject;

class  SoVRMemoryReader : public SoVolumeReader
{

  SO_FIELDCONTAINER_HEADER(SoVRMemoryReader);

public:

  SoVRMemoryReader();

  virtual ReadError getDataChar( SbBox3f &size, SoDataSet::DataType &type,  SbVec3i32 &dim );

  virtual void getSubSlice( const SbBox2i32& subSlice, int sliceNumber, void * data );

  virtual void getSubSlice(const SbBox2i32& subSlice, int sliceNumber, SoBufferObject * dataBuffer);

  void setProperties ( const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32 &dim,
                       const SbVec2i32 &padding, SoBufferObject* internalData, int sigBits);

  void setProperties ( const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32 &dim,
                       SoBufferObject* internalData, int sigBits);

  void setProperties ( SbBox3f size, SoDataSet::DataType type, SbVec3s dim,
                       SoBufferObject* internalData, int sigBits = 0);
  virtual int getNumSignificantBits();

  virtual ReaderType getReaderType ()
  {return MEMORY;}

  virtual SbBool isThreadSafe() const;

  virtual SoVolumeWriter* getConfiguredWriter();

#if 1             SoDEPRECATED
  SoVRMemoryReader(const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32& dim, const SbVec2i32& padding,
                   void* internalData, int sigBits = 0);
SoDEPRECATED
  SoVRMemoryReader( SbBox3f size, SoDataSet::DataType type, SbVec3s smalldim, void* internalData, int sigBits = 0);

#endif 
#if 1             SoDEPRECATED
  SoVRMemoryReader(const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32& dim, void* internalData, int sigBits = 0);

#endif 
#if 1             SoDEPRECATED
  void setProperties ( const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32 &dim,
                                 const SbVec2i32 &padding, void* internalData, int sigBits);
SoDEPRECATED
  void setProperties ( const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32 &dim,
                                 void* internalData, int sigBits);
SoDEPRECATED
  void setProperties ( SbBox3f size, SoDataSet::DataType type, SbVec3s dim,
                                 void* internalData, int sigBits = 0);

#endif 
private:
  SbBox3f                m_size;
  SbVec3i32              m_dim;
  SbVec2i32              m_padding;
  SoDataSet::DataType m_type;
  int                    m_headerSize;
  int                    m_bytesPerVoxel;
  SoRef<SoBufferObject>  m_internalBuffer;
  int                    m_sigBits;
};

#ifdef _MSC_VER
#pragma warning( pop )
#endif

#endif // _SO_VR_MEMORY_READER_

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