ICAP_HIGHLIGHT

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TWAIN Capability: ICAP_HIGHLIGHT

ICAP_HIGHLIGHT

Description

Specifies which value in an image should be interpreted as the lightest “highlight.” All values “lighter” than this value will be clipped to this value. Whether lighter values are smaller or larger can be determined by examining the Current value of ICAP_PIXELFLAVOR.

Source

Values

If more or less than 8 bits are used to describe the image, the actual data values should be normalized to fit within the 0-255 range. The normalization need not result in a homogeneous distribution if the original distribution was not homogeneous.

Type: TW_FIX

Value after MSG_OPENDS: (may be remembered from a previous session)

After MSG_RESET/MSG_RESETALL: 255

Allowed Values: 0 to 255

Containers

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

Required By

None

TWAIN Version Introduced

Version 1.0

Related

ICAP_SHADOW

TWAIN Notice

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