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 ) override;
 
  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 SoVolumeReader::ReaderType getReaderType ()
  {return MEMORY;}
 
  virtual SbBool isThreadSafe() const;
 
  virtual SoVolumeWriter* getConfiguredWriter();
 
private:
  SoBufferObject* getInternalBuffer() const
  {
    return m_internalBuffer.ptr();
  }
 
  const SbVec2i32& getPadding() const
  {
    return m_padding;
  }
 
private:
  SbBox3f                m_size;
  SbVec3i32              m_dim;
  SbVec2i32              m_padding;
  SoDataSet::DataType m_type;
  int                    m_headerSize;
  SoRef<SoBufferObject>  m_internalBuffer;
  int                    m_sigBits;
};
 
#ifdef _MSC_VER
#pragma warning( pop )
#endif
 
#endif // _SO_VR_MEMORY_READER_