Imagick::negateImage

(No version information available, might be only in CVS)

Imagick::negateImageNegates the colors in the reference image

Description

bool Imagick::negateImage ( bool $gray [, int $channel ] )
Warning

This function is currently not documented; only its argument list is available.

Negates the colors in the reference image. The Grayscale option means that only grayscale values within the image are negated.

Parameters

gray

Whether to only negate grayscale pixels within the image.

channel

Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channeltype constants using bitwise operators. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.


    

 

 

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