Imagick::fxImage
Evaluate expression for each pixel in the image
Description
Imagick Imagick::fxImage
( string $expression
[, int $channel = Imagick::CHANNEL_ALL
] )
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.