PHP Manual: Simulates a charcoal drawing

Description

public bool Imagick::charcoalImage(float $radius, float $sigma)

Simulates a charcoal drawing.

Parameters

radius: The radius of the Gaussian, in pixels, not counting the center pixel
sigma: The standard deviation of the Gaussian, in pixels

Return Values

Returns true on success.

Examples

Example #1 Imagick::charcoalImage

<?php
function charcoalImage($imagePath, $radius, $sigma) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->charcoalImage($radius, $sigma);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>