Imagick::setImageAlphaChannel
(No version information available, might only be in SVN)
Imagick::setImageAlphaChannel — Sets image alpha channel
Description
bool Imagick::setImageAlphaChannel
( int $mode
)
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.