ICAP_FILTER

Featured Clients

Sectors: FinanceInformation TechnoloyGovernmentHealthcareIndustriesEducation(show all)

TWAIN Capability: ICAP_FILTER

ICAP_FILTER

Description

Describes the color characteristic of the subtractive filter applied to the image data. Multiple filters may be applied to a single acquisition.

If the Source supports DAT_FILTER as well, then it will apply the filter set by the last SET operation invoked by the Application. Setting/Resetting ICAP_FILTER will clear the filter associated with DAT_FILTER. Setting/Resetting DAT_FILTER will clear the filter associated with ICAP_FILTER.

Source

Values

If the Source only supports application of a single filter during an acquisition and multiple filters are specified by the application, set the current filter to the first one requested and return TWRC_CHECKSTATUS.

Type: TW_UINT

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

After MSG_RESET/MSG_RESETALL: (empty array)

Allowed Values: TWFT_RED TWFT_GREEN TWFT_BLUE TWFT_NONE TWFT_WHITE TWFT_CYAN TWFT_MAGENTA TWFT_YELLOW TWFT_BLACK

Containers

MSG_GET TW_ONEVALUE TW_ARRAY

MSG_GETCURRENT TW_ARRAY

MSG_GETDEFAULT TW_ARRAY

MSG_SET TW_ONEVALUE TW_ARRAY

MSG_SETCONSTRAINT TW_ONEVALUE

TW_ARRAY

MSG_RESET TW_ARRAY

MSG_QUERYSUPPORT TW_ONEVALUE

Required By

None

TWAIN Version Introduced

Version 1.0

Related

TWAIN Notice

Where would you like to scan from? Scan in Web Apps Scan in Java Scan in .NET