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Twain.SetContrast

Sets which contrast value to use.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
Twain 3.5 Yes Yes No No No
MBS( "Twain.SetContrast"; Value )   More

Parameters

Parameter Description Example value
Value The new brightness setting. 0

Result

Returns OK.

Description

Sets which contrast value to use.
Scale the values available internally into a homogeneous range between -1000 and 1000. Make sure that a '0' value is available as the Current value when the Source starts up. If the Source's ± range is asymmetric about the '0' value, set range maxima to ±1000 and scale homogeneously from the '0' value in each direction. This will yield a positive range whose step size differs from the negative range's step size.
Plugin uses value -10000 for undefined/default.

See also

Created 18th August 2014, last changed 18th August 2014


Twain.SetCompressionQuality   -   Twain.SetDefaultDSIdentity

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