(PECL imagick 2, PECL imagick 3)
Imagick::charcoalImage — Simulates a charcoal drawing
$radius, float $sigma): boolSimulates a charcoal drawing.
radiusThe radius of the Gaussian, in pixels, not counting the center pixel
sigmaThe standard deviation of the Gaussian, in pixels
成功时返回 true。
示例 #1 Imagick::charcoalImage()
<?php
function charcoalImage($imagePath, $radius, $sigma) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->charcoalImage($radius, $sigma);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>