(PECL imagick 2.0.0)
Imagick::setImageOpacity — Sets the image opacity level
$opacity
) : boolSets the image to the specified opacity level. Diese Funktion ist verfügbar, wenn Imagick gegen die ImageMagick-Version 6.3.1 oder höher kompiliert wurde. This method operates on all channels, which means that for example opacity value of 0.5 will set all transparent areas to partially opaque. To add transparency to areas that are not already transparent use Imagick::evaluateImage()
opacity
The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.
Liefert TRUE
bei Erfolg.
Beispiel #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;
?>