00001 /*=======================================================================
00002  *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
00003  ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
00004  ***                                                                                ***
00005  ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
00006  ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
00007  ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
00008  ***                                                                                ***
00009  ***                        RESTRICTED RIGHTS LEGEND                                ***
00010  ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
00011  ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
00012  ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
00013  ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
00014  ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
00015  ***                                                                                ***
00016  ***                   COPYRIGHT (C) 1996-2021 BY FEI S.A.S,                        ***
00017  ***                        BORDEAUX, FRANCE                                        ***
00018  ***                      ALL RIGHTS RESERVED                                       ***
00019 **=======================================================================*/
00020 /*=======================================================================
00021 ** Author      : J.HUMMEL (Oct 2003)
00022 **=======================================================================*/
00023 #ifndef  _SO_VR_MEMORY_READER_
00024 #define  _SO_VR_MEMORY_READER_
00025 
00026 #include <LDM/readers/SoVolumeReader.h>
00027 
00028 #ifdef _MSC_VER
00029 #pragma warning( push )
00030 #pragma warning(disable:4251)
00031 #endif
00032 
00033 class SoBufferObject;
00034 
00045 class  SoVRMemoryReader : public SoVolumeReader
00046 {
00047 
00048   SO_FIELDCONTAINER_HEADER(SoVRMemoryReader);
00049 
00050 public:
00051 
00055   SoVRMemoryReader();
00056 
00063   virtual ReadError getDataChar( SbBox3f &size, SoDataSet::DataType &type,  SbVec3i32 &dim );
00064 
00070   virtual void getSubSlice( const SbBox2i32& subSlice, int sliceNumber, void * data );
00071 
00076   virtual void getSubSlice(const SbBox2i32& subSlice, int sliceNumber, SoBufferObject * dataBuffer);
00077 
00081   void setProperties ( const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32 &dim,
00082                        const SbVec2i32 &padding, SoBufferObject* internalData, int sigBits);
00083 
00087   void setProperties ( const SbBox3f& size, SoDataSet::DataType type, const SbVec3i32 &dim,
00088                        SoBufferObject* internalData, int sigBits);
00089 
00093   void setProperties ( SbBox3f size, SoDataSet::DataType type, SbVec3s dim,
00094                        SoBufferObject* internalData, int sigBits = 0);
00098   virtual int getNumSignificantBits();
00099 
00103   virtual SoVolumeReader::ReaderType getReaderType ()
00104   {return MEMORY;}
00105 
00109   virtual SbBool isThreadSafe() const;
00110 
00113   virtual SoVolumeWriter* getConfiguredWriter();
00114 
00115 private:
00116   SbBox3f                m_size;
00117   SbVec3i32              m_dim;
00118   SbVec2i32              m_padding;
00119   SoDataSet::DataType m_type;
00120   int                    m_headerSize;
00121   SoRef<SoBufferObject>  m_internalBuffer;
00122   int                    m_sigBits;
00123 };
00124 
00125 #ifdef _MSC_VER
00126 #pragma warning( pop )
00127 #endif
00128 
00129 #endif // _SO_VR_MEMORY_READER_
00130 
00131 
00132
VolumeViz/readers/SoVRMemoryReader.h
