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The Imagick class
PHP Manual

Imagick::fxImage

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

Imagick::fxImageEvaluate expression for each pixel in the image

Description

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

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

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. Defaults to Imagick::CHANNEL_ALL. Refer to this list of channel constants.

Return Values

Returns TRUE on success.

Errors/Exceptions

Throws ImagickException on error.


The Imagick class
PHP Manual