Foxit PDF SDK

Public Member Functions | Protected Member Functions | List of all members
IFX_ChunkFileStream Class Referenceabstract
FXCRT

Chunk-based File stream interface, reading & writing. More...

Inheritance diagram for IFX_ChunkFileStream:

## Public Member Functions
virtual FX_BOOL | Flush ()=0
| Flush internal buffer. More...
virtual FX_INT64 | GetPosition ()=0
| Get the current reading position in stream. More...
virtual FX_INT64 | GetSize ()=0
| Get the current stream size, in bytes. More...
virtual FX_BOOL | IsEOF ()=0
| Determine whether reach the end of stream. More...
virtual FX_BOOL | ReadBlock (void *buffer, FX_INT64 offset, size_t size)=0
| Read a data block from stream. More...
virtual size_t | ReadBlock (void *buffer, size_t size)=0
| Read data block from stream. More...
virtual void | Release ()=0
| Destroy the current instance. More...
virtual FX_BOOL | WriteBlock (const void *buffer, FX_INT64 offset, size_t size)=0
| Write a block data into stream. More...
virtual FX_BOOL | WriteBlock (const void *buffer, size_t size)
| Write a block data to the end of current stream. More...
Public Member Functions inherited from IFX_FileRead
virtual void | ClearRange ()
| Clear accessing range set by function IFX_FileRead::SetRange. More...
virtual FX_INT64 | SetPosition (FX_INT64 pos)
| Set the current file accessing position. More...
virtual FX_BOOL | SetRange (FX_INT64 offset, FX_INT64 size)
| Set accessing range. More...

## Protected Member Functions
virtual IFX_FileStream * | Retain ()=0
| Create a shared instance. More...

## Detailed Description

Chunk-based File stream interface, reading & writing.