Imagick::setImageAlphaChannel

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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.

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