ConFoo: Call for paper is now Open

Imagick::setImageOpacity

(PECL imagick 2.0.0)

Imagick::setImageOpacitySets the image opacity level

Beschreibung

bool Imagick::setImageOpacity ( float $opacity )

Sets 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()

Parameter-Liste

opacity

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

Rückgabewerte

Liefert TRUE bei Erfolg.

Beispiele

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;

?>

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top