Imagick::getImageAlphaChannel
Imagick::getImageAlphaChannel
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Imagick::getImageAlphaChannel — Gets the image alpha channel
Description
int Imagick::getImageAlphaChannel ( void )
Gets the image alpha channel value. The returned value is one of the alpha channel constants. This method is available if Imagick has been compiled against ImageMagick version 6.4.0 or newer.