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.
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