imagick.setimagealphachannel(3) php man page | unix.com

IMAGICK.SETIMAGEALPHACHANNEL(3) 					 1					   IMAGICK.SETIMAGEALPHACHANNEL(3)

Imagick::setImageAlphaChannel - Sets image alpha channel

SYNOPSIS
       bool Imagick::setImageAlphaChannel (int	$mode)

DESCRIPTION
	Activate or deactivate image alpha channel. The $mode is one of the Imagick::ALPHACHANNEL_* constants. This method is available if Imagick
       has been compiled against ImageMagick version 6.3.8 or newer.

PARAMETERS
	      o $mode
		- One of the Imagick::ALPHACHANNEL_* constants

RETURN VALUES
	Returns TRUE on success.

ERRORS
/EXCEPTIONS
	Throws ImagickException on error.

SEE ALSO
       Imagick.setImageMatte(3), Imagick Alpha Channel Constants.

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