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Gamma correction value for the image data.
Do not use with TW_CIECOLOR, TW_GRAYRESPONSE, or TW_RGBRESPONSE data.
If the application supplies an invalid gamma value, the Source selects the closest value and returns TWRC_FAILURE TWCC_CHECKSTATUS.
Type: TW_FIX
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 value
MSG_GET TW_ONEVALUE TW_RANGE // 2.3 and higher
MSG_GETCURRENT TW_ONEVALUE
MSG_GETDEFAULT TW_ONEVALUE
MSG_SET TW_ONEVALUE MSG_SETCONSTRAINT TW_ONEVALUE MSG_RESET TW_ONEVALUE MSG_QUERYSUPPORT TW_ONEVALUE
None
Version 1.0
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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.
