Imagick::fxImage

(PECL imagick 2.0.0)

Imagick::fxImage — Evaluate expression for each pixel in the image

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

Warning

本函数暂无文档，仅有参数列表。

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

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.

Returns TRUE on success.

Throws ImagickException on error.