OdGiDataExtractor Class Reference

#include <GiProgressiveMesh.h>

Public Member Functions
virtual bool	registerDataBegin (OdUInt8 dataId, OdUInt64 localOffset)=0
virtual bool	registerDataEnd (OdUInt8 dataId, OdUInt64 localOffset)=0
virtual OdUInt64	tell ()=0
virtual bool	beginExtraction (OdUInt8 dataId)=0
virtual bool	endExtraction (OdUInt8 dataId)=0
virtual bool	seekFromLocalOffset (OdUInt64 offset)=0
virtual void	extractBytes (void *buffer, OdUInt32 numBytes)=0
virtual double	extractDouble ()
virtual OdInt32	extractInt64 ()
virtual OdInt32	extractInt32 ()
virtual OdInt16	extractInt16 ()
virtual OdUInt8	extractByte ()
virtual bool	extractBool ()

Detailed Description

This interface provides data extraction API.

Definition at line 36 of file GiProgressiveMesh.h.

Member Function Documentation

beginExtraction()

virtual bool OdGiDataExtractor::beginExtraction ( OdUInt8  dataId )

pure virtual

Initializes data extraction for the specified data type.

Parameters

dataId

[in] Data identifier.

Returns

Returns true if operation is successful; otherwise returns false.

endExtraction()

virtual bool OdGiDataExtractor::endExtraction ( OdUInt8  dataId )

pure virtual

Finalizes data extraction for the specified data type.

Parameters

dataId

[in] Data identifier.

Returns

Returns true if operation is successful; otherwise returns false.

extractBool()

virtual bool OdGiDataExtractor::extractBool ( )

virtual

Extracts boolean value.

Returns

Returns boolean value.

Remarks

This method has default implementation for the flat unpacked binary stream.

extractByte()

virtual OdUInt8 OdGiDataExtractor::extractByte ( )

virtual

Extracts byte value.

Returns

Returns byte value.

Remarks

This method has default implementation for the flat unpacked binary stream.

extractBytes()

virtual void OdGiDataExtractor::extractBytes ( void *  buffer, OdUInt32  numBytes  )

pure virtual

Extracts binary buffer.

Parameters

buffer	[in] Pointer to the buffer.
numBytes	[in] Buffer size.

extractDouble()

virtual double OdGiDataExtractor::extractDouble ( )

virtual

Extracts double value.

Returns

Returns double value.

Remarks

This method has default implementation for the flat unpacked binary stream.

extractInt16()

virtual OdInt16 OdGiDataExtractor::extractInt16 ( )

virtual

Extracts 2-bytes integer value.

Returns

Returns 2-bytes integer value.

Remarks

This method has default implementation for the flat unpacked binary stream.

extractInt32()

virtual OdInt32 OdGiDataExtractor::extractInt32 ( )

virtual

Extracts 4-bytes integer value.

Returns

Returns 4-bytes integer value.

Remarks

This method has default implementation for the flat unpacked binary stream.

extractInt64()

virtual OdInt32 OdGiDataExtractor::extractInt64 ( )

virtual

Extracts 8-bytes integer value.

Returns

Returns 8-bytes integer value.

Remarks

This method has default implementation for the flat unpacked binary stream.

registerDataBegin()

virtual bool OdGiDataExtractor::registerDataBegin ( OdUInt8  dataId, OdUInt64  localOffset  )

pure virtual

Registers the begin of data type by the specified local offset.

Parameters

dataId	[in] Data identifier.
localOffset	[in] Local data begin offset.

Returns

Returns true if operation is successful; otherwise returns false.

registerDataEnd()

virtual bool OdGiDataExtractor::registerDataEnd ( OdUInt8  dataId, OdUInt64  localOffset  )

pure virtual

Registers the end of data type by the specified local offset.

Parameters

dataId	[in] Data identifier.
localOffset	[in] Local data end offset.

Returns

Returns true if operation is successful; otherwise returns false.

seekFromLocalOffset()

virtual bool OdGiDataExtractor::seekFromLocalOffset ( OdUInt64  offset )

pure virtual

Moves extraction current position.

Parameters

offset

[in] Move offset.

Returns

Returns true if operation is successful; otherwise returns false.

tell()

virtual OdUInt64 OdGiDataExtractor::tell ( )

pure virtual

Retrives current extraction position.

Returns

Returns current extraction position.

---

The documentation for this class was generated from the following file:

• GiProgressiveMesh.h