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Allows the application and Source to identify which color data formats are available. There are two options, “planar” and “chunky.”
For example, planar RGB data is transferred with the entire red plane of data first, followed by the entire green plane, followed by the entire blue plane (typical for three-pass scanners). “Chunky” mode repetitively interlaces a pixel from each plane until all the data is transferred (R-G-B-R-G- B…) (typical for one-pass scanners).
Type: TW_UINT
Value after MSG_OPENDS: (may be remembered from a previous session)
After MSG_RESET/MSG_RESETALL: (selected by the data source writer)
Allowed Values: TWPC_CHUNKY TWPC_PLANAR
MSG_GET TW_ONEVALUE TW_ENUMERATION
MSG_GETCURRENT TW_ONEVALUE
MSG_GETDEFAULT TW_ONEVALUE
MSG_SET TW_ONEVALUE
MSG_SETCONSTRAINT TW_ONEVALUE
TW_ENUMERATION
MSG_RESET TW_ONEVALUE
MSG_QUERYSUPPORT TW_ONEVALUE
All Image Sources
Version 1.0
TWAIN Notice
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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.
