Imagick::embossImage
(PECL imagick 2, PECL imagick 3)
Imagick::embossImage — Returns a grayscale image with a three-dimensional effect
Beschreibung
$radius
, float $sigma
): boolReturns a grayscale image with a three-dimensional effect. We convolve the image with a Gaussian operator of the given radius and standard deviation (sigma). For reasonable results, radius should be larger than sigma. Use a radius of 0 and it will choose a suitable radius for you.
Parameter-Liste
-
radius
-
The radius of the effect
-
sigma
-
The sigma of the effect
Rückgabewerte
Liefert true
bei Erfolg.
Fehler/Exceptions
Wirft ImagickException bei Fehlern.
Beispiele
Beispiel #1 Imagick::embossImage()
<?php
function embossImage($imagePath, $radius, $sigma) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->embossImage($radius, $sigma);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>