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Evaluate expression for each pixel in the image


Imagick::fxImage

(PECL imagick 2.0.0)

Imagick::fxImageEvaluate expression for each pixel in the image

Description

Imagick Imagick::fxImage ( string $expression [, int $channel = Imagick::CHANNEL_ALL ] )

Evaluate expression for each pixel in the image. Consult » The Fx Special Effects Image Operator for more information.

Parameters

expression

The expression.

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. Refer to this list of channel constants.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.



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