(PECL imagick 2, PECL imagick 3)
Imagick::vignetteImage — Adds vignette filter to the image
Softens the edges of the image in vignette style. Questo metodo è disponibile se Imagick è stato compilato con ImageMagick versione 6.2.9 o successive.
blackPointThe black point.
whitePointThe white point
xX offset of the ellipse
yY offset of the ellipse
   Restituisce true in caso di successo.
  
Example #1 Imagick::vignetteImage()
<?php
function vignetteImage($imagePath, $blackPoint, $whitePoint, $x, $y) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->vignetteImage($blackPoint, $whitePoint, $x, $y);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}
?>
