Php/docs/imagick.setimagealphachannel
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Imagick::setImageAlphaChannel
(PECL imagick 2 >= 2.1.0, PECL imagick 3)
Imagick::setImageAlphaChannel — Sets image alpha channel
Description
public Imagick::setImageAlphaChannel
( int $mode
) : bool
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
mode- One of the
Imagick::ALPHACHANNEL_*constants
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
