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GMImage.IsGray

Checks wether all pixels are gray.

Component Version macOS Windows Server FileMaker Cloud FileMaker iOS SDK
GraphicsMagick 8.3 Yes Yes Yes Yes Yes
MBS( "GMImage.IsGray"; ImageRef )   More

Parameters

Parameter Description Example value
ImageRef The image reference number. 1

Result

Returns value or error.

Description

Checks wether all pixels are gray.
Returns 1 for gray or 0 if one pixel at least is not gray.

See also

Created 4th July 2018, last changed 6th July 2018


GMImage.InvertChannel   -   GMImage.Level

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