ILineReader_interface.h File Reference

Interface for ILineReader wrapper. More...

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Functions
ILineReader	ILineReader_Create (PtrGetLineFn ptrGetLineFn, idrs_exception *pargException)
	Creates a new ILineReader object.
void	ILineReader_Destroy (ILineReader argILineReader, idrs_exception *pargException)
	Destroys a ILineReader handle.
void	ILineReader_GetLine (ILineReader argILineReader, IDRS_PVOID pvLine, IDRS_UINT32 const ui32Line, IDRS_UINT32 const ui32Bytes, idrs_exception *pargException)
	GetLine retrieves the data for the requested line.

Detailed Description

Interface for ILineReader wrapper.

Function Documentation

ILineReader_Create()

ILineReader ILineReader_Create	(	PtrGetLineFn	ptrGetLineFn,
		idrs_exception *	pargException
	)

Creates a new ILineReader object.

Parameters

ptrGetLineFn	GetLine function pointer
pargException	Pointer to exception structure that will be filled if an exception occurs

Returns

The newly created ILineReader

ILineReader_Destroy()

void ILineReader_Destroy	(	ILineReader	argILineReader,
		idrs_exception *	pargException
	)

Destroys a ILineReader handle.

Parameters

argILineReader	ILineReader handle to destroy
pargException	Pointer to exception structure that will be filled if an exception occurs

ILineReader_GetLine()

void ILineReader_GetLine	(	ILineReader	argILineReader,
		IDRS_PVOID	pvLine,
		IDRS_UINT32 const	ui32Line,
		IDRS_UINT32 const	ui32Bytes,
		idrs_exception *	pargException
	)

GetLine retrieves the data for the requested line.

The integrator has to override this method to provide the data for the requested line.

Parameters

argILineReader	ILineReader handle
pvLine	The buffer where to write the pixels of the line.
ui32Line	The 0 based index of the line to retrieve.
ui32Bytes	The byte width for the line.
pargException	Pointer to exception structure that will be filled if an exception occurs