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A list of names of the halftone patterns available within the Source.
The application may not rename any halftone pattern.
The application should also set ICAP_BITDEPTHREDUCTION to use this capability.
For backwards compatibility, Applications need to be aware that a TWAIN 1.0 Data Sources might respond with a TW_ARRAY container.
Type: TW_STR
Value after MSG_OPENDS: (may be remembered from a previous session)
After MSG_RESET/MSG_RESETALL: (selected by the data source writer)
Allowed Values: Any halftone name
MSG_GET TW_ENUMERATION TW_ONEVALUE
MSG_GETCURRENT TW_ONEVALUE
MSG_GETDEFAULT TW_ONEVALUE
MSG_SET TW_ENUMERATION
MSG_SETCONSTRAINT TW_ENUMERATION
TW_ONEVALUE
MSG_RESET TW_ONEVALUE
MSG_QUERYSUPPORT TW_ONEVALUE
When the ICAP_BITDEPTHREDUCTION value is TWBR_HALFTONE.
Version 1.0
ICAP_BITDEPTHREDUCTION ICAP_CUSTHALFTONE ICAP_THRESHOLD
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The TWAIN Toolkit is distributed as is. The developer and distributors of the TWAIN Toolkit expressly disclaim all implied, express or statutory warranties including, without limitation, the implied warranties of merchantability, noninfringement of third party rights and fitness for a particular purpose. Neither the developers nor the distributors will be liable for damages, whether direct, indirect, special, incidental, or consequential, as a result of the reproduction, modification, distribution or other use of the TWAIN Toolkit.
