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Specifies the dividing line between black and white. This is the value the Source will use to threshold, if needed, when ICAP_PIXELTYPE = TWPT_BW.
The value is normalized so there are no units of measure associated with this ICAP.
Application will typically set ICAP_BITDEPTHREDUCTION to TWBR_THRESHOLD to use this capability.
Source should fit available values linearly into the defined range such that the lowest available value equals 0 and the highest equals 255.
Type: TW_FIX
Value after MSG_OPENDS: (may be remembered from a previous session)
After MSG_RESET/MSG_RESETALL: 128
Allowed Values: 0 to 255
MSG_GET TW_ONEVALUE TW_RANGE TW_ENUMERATION
MSG_GETCURRENT TW_ONEVALUE
MSG_GETDEFAULT TW_ONEVALUE
MSG_SET TW_ONEVALUE
MSG_SETCONSTRAINT TW_ONEVALUE
TW_RANGE TW_ENUMERATION
MSG_RESET TW_ONEVALUE
MSG_QUERYSUPPORT TW_ONEVALUE
When the ICAP_BITDEPTHREDUCTION value is TWBR_THRESHOLD.
Version 1.0
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