Imagick::edgeImage

(PECL imagick 2.0.0)

Imagick::edgeImage — Enhance edges within the image

˵��

Imagick::edgeImage ( float $radius ) : bool

Enhance edges within the image with a convolution filter of the given radius. Use radius 0 and it will be auto-selected.

����

radius

The radius of the operation.

����ֵ

�ɹ�ʱ���� TRUE��

�����쳣

����ʱ�׳� ImagickException��

����

Example #1 Imagick::edgeImage()

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

?>