(No version information available, might be only in CVS)
Imagick::setImageOpacity — Sets the image opacity level
This function is currently not documented; only its argument list is available.
Sets the image to the specified opacity level. This method is present if Imagick is compiled against ImageMagick 6.3.1 or later.
The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.
Returns TRUE on success.
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;
?>