PHP Manual
Imagick
Reduces the speckle noise in an image

Imagick::despeckleImage

(PECL imagick 2.0.0)

Imagick::despeckleImage — Reduces the speckle noise in an image

说明

Imagick::despeckleImage ( void ) : bool

Reduces the speckle noise in an image while preserving the edges of the original image.

返回值

成功时返回 TRUE。

错误／异常

错误时抛出 ImagickException。

范例

Example #1 Imagick::despeckleImage()

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

?>

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