Php/docs/imagick.edgeimage

• PHP Manual
• Imagick
• Enhance edges within the image

Imagick::edgeImage

(PECL imagick 2, PECL imagick 3)

Imagick::edgeImage — Enhance 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()

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