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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

示例 #1 Imagick::edgeImage()

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

?>

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