Imagick::charcoalImage

(PECL imagick 2.0.0)

Imagick::charcoalImage — Simulates a charcoal drawing

说明

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

Simulates a charcoal drawing.

参数

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

返回值

成功时返回 TRUE。

范例

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();
}

?>