Imagick::setImageOpacity

Function-3-4-4

Description

Sets the image to the specified opacity level. 0x631 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()

Parameters

opacity

The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.

Return Values

Success

Examples

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;

?>