PHP Imagemagick vignette

How want to apply a vignette effect to an image using PHP with ImageMagik. I found this function but I'm not 开发者_如何学JAVAsure how to use it.

Imagick::vignetteImage

Thanks for your help!

Correct answer: read the docs.

Assuming you have the correct version of Image Magick and the PHP library installed:

<?php
    $image = new Imagick();
    $image->readImage($in);
    $image->vignetteImage ( float $blackPoint , float $whitePoint , int $x , int $y )
    $image->writeImage($out);
?>