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AET65 API
Version 1.0
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Page 25 of 84
Page 25 of 84
3.4.4.
ABSGrabImage
ABS_STATUS ABSGrabImage(
IN ABS_CONNECTION hConnection
IN ABS_OPERATION *pOperation
IN ABS_DWORD dwPurpose
IN ABS_IMAGE_FORMAT *pImageFormat
OUT ABS_IMAGE **ppImage
OUT ABS_SWIPE_INFO **ppSwipeInfo
IN void *pReserved
IN ABS_DWORD dwFlags
)
Description
Grabs image sample from the FM.
Please note that unless an error occurs or it is canceled with
ABSCancelOperation, the grab operation is automatically repeated
until an image of some minimal quality is provided.
Parameters
hConnection
Handle to the connection to FM.
pOperation
See description of ABS_OPERATION.
dwPurpose
A value indicates a purpose of the biometric data capture.
It can be any ABS_PURPOSE_xxxx constant.
pImageFormat
Pointer to structure describing desired image format.
TODO
ppImage
Functions set the pointer to newly allocated sample image.
Use ABSFree to release the allocated memory.
ppSwipeInfo
If used (i.e. not set to NULL), an additional information about the
swipe is provided to the caller.
Use ABSFree to release the returned memory block. See description
of ABS_SWIPE_INFO for more information.
pReserved
Reserved for future use. Set to NULL.
dwFlags
Reserved for future use. Set to zero.
Return Value
ABS_STATUS
Result code. ABS_STATUS_OK (0) means
success.
