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MSgImage_Chunk Class Reference

class MSgImage_Chunk

This interface allows access to the data chunk where an image is stored. The chunk handle obtained through this interface can be passed to device drivers that need access to the pixel data of the image.

This interface is only supported if the image is stored in a shared chunk.

Public Member Functions
const RChunk &	DataChunk ()
TInt	DataOffset ()
TInt	DataStride ()

Member Functions Documentation

DataChunk()

const RChunk &

DataChunk

(

)

const [pure virtual]

Retrieves a handle to the chunk where the pixel data is stored. The returned chunk handle is valid until the RSgImage handle is closed.

DataOffset()

TInt

DataOffset

(

)

const [pure virtual]

Retrieves the base offset of the pixel data from the base of the chunk.

DataStride()

TInt

DataStride

(

)

const [pure virtual]

Retrieves the number of bytes between rows of the pixel data in the chunk.