Sets the image opacity level
$opacity
Sets the image to the specified opacity level. This method is available if Imagick has been compiled against ImageMagick version 6.3.1 or newer.
opacity
The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.
Returns TRUE on success.
TRUE
Example #1 A Imagick::setImageOpacity example
An example of using Imagick::setImageOpacity()
<?php/* Create the object */$image = new Imagick('source.png');/* Set the opacity */$image->setImageOpacity(0.7);/* output the image */header('Content-type: image/png');echo $image;?>