imgSessionGetBufferSize

Usage

rval imgSessionGetBufferSize(SESSION_ID sid, uInt32* sizeNeeded);

Purpose

Gets the size, in bytes, of an image.

Parameters

Name	Type	Direction
sid	SESSION_ID	input
sizeNeeded	uInt32*	output
rval	Int32	output

Parameter Discussion

sid: valid SESSION_ID.

sizeNeeded: size, in bytes, of an image.

Return Value

This function returns 0 on success. On failure, this function returns an error code. For information about the error code, call imgShowError.

Note  If you change the ROI after calling this function, the return value is no longer accurate.