Imagick::setImageAlphaChannel

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Imagick::setImageAlphaChannel — Sets image alpha channel

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Imagick::setImageAlphaChannel ( int $mode ) : bool

Activate or deactivate image alpha channel. The mode is one of the Imagick::ALPHACHANNEL_* constants. 锟剿凤拷锟斤拷锟斤拷Imagick锟斤拷锟斤拷ImageMagick 6.3.8锟斤拷锟较版本锟斤拷锟斤拷时锟斤拷锟矫★拷

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mode

One of the Imagick::ALPHACHANNEL_* constants

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