Fingerprint handling

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Detailed Description

Functions for saving fingerprints.

Modules
	Examples
	Fingerprint example fps_finger_capture - Fingerprint example.
Functions
int	fps_fingertonist (gxHANDLE handle, const wchar_t *filename, gxVARIANT fields)
	Saves the fingers to an nist file (Unicode version).
int	fps_fingertonista (gxHANDLE handle, const char *filename, gxVARIANT fields)
	Saves the fingers to an nist file (ASCII version).
int	fps_fingertonist (gxHANDLE handle, const char *filename, gxVARIANT fields)
	Saves the fingers to an nist file (ASCII version).
int	fps_fingertonistmem (gxHANDLE handle, void **buffer, int *buflen, gxVARIANT fields)
	Saves the fingers to a memory area as a nist file.
int	fps_nistfingerquality (gxHANDLE handle, int *quality, int position)
	Returns the NIST Finger Image Quality value from a finger.

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Function Documentation

int fps_fingertonist	(	gxHANDLE	handle,
		const wchar_t *	filename,
		gxVARIANT	fields
	)			[inline]

Saves the fingers to an nist file (Unicode version).

Parameters:

	handle	Handle of the fpsapi module.
	filename	The name of the file where to save the data.
	fields	List of fields to add to the record.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately. ( see gx_geterror() )

References gx_call().

Referenced by FingerPrintScanner::FingerToNist().

int fps_fingertonista	(	gxHANDLE	handle,
		const char *	filename,
		gxVARIANT	fields
	)			[inline]

Saves the fingers to an nist file (ASCII version).

Parameters:

	handle	Handle of the fpsapi module.
	filename	The name of the file where to save the data.
	fields	List of fields to add to the record.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately. ( see gx_geterror() )

References gx_call().

Referenced by fps_fingertonist().

int fps_fingertonist	(	gxHANDLE	handle,
		const char *	filename,
		gxVARIANT	fields
	)			[inline]

Saves the fingers to an nist file (ASCII version).

Parameters:

	handle	Handle of the fpsapi module.
	filename	The name of the file where to save the data.
	fields	List of fields to add to the record.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately. ( see gx_geterror() )

References fps_fingertonista().

int fps_fingertonistmem	(	gxHANDLE	handle,
		void **	buffer,
		int *	buflen,
		gxVARIANT	fields
	)			[inline]

Saves the fingers to a memory area as a nist file.

Parameters:

	handle	Handle of the fpsapi module.
	buffer	Pointer to the memory area pointer that is large enough or NULL.
	buflen	Size of memory area.
	fields	List of fields to add to the record.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately. ( see gx_geterror() )

References gx_call().

Referenced by FingerPrintScanner::FingerToNistMem().

int fps_nistfingerquality	(	gxHANDLE	handle,
		int *	quality,
		int	position
	)			[inline]

Returns the NIST Finger Image Quality value from a finger.

Parameters:

	handle	Handle of the fpsapi module.
	quality	NIST Finger Image Quality value.
	position	The finger position. The possible values are defined in the FPS_POSITION enumeration.

Returns:

On error false is returned and the error code/string in the GX system is set appropriately. ( see gx_geterror() )

References gx_call().

Referenced by FingerPrintScanner::NistFingerQuality().