Imagick::edgeImage

(PECL imagick 2, PECL imagick 3)

Imagick::edgeImageEnhance edges within the image

说明

public 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.

参数

radius

The radius of the operation.

返回值

成功时返回 true

错误/异常

错误时抛出 ImagickException。

范例

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();
}

?>

User Contributed Notes

There are no user contributed notes for this page.