(PECL imagick 2, PECL imagick 3)
ImagickDraw::getFillOpacity — Returns the opacity used when drawing
public ImagickDraw::getFillOpacity ( ) : float
This function is currently not documented; only its argument list is available.
Returns the opacity used when drawing using the fill color or fill texture. Fully opaque is 1.0.
The opacity.
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https://www.php.net/manual/en/imagickdraw.getfillopacity.php