Imagick::selectiveBlurImage

(PECL imagick 3 >= 3.3.0)

Imagick::selectiveBlurImage — Selectively blur an image within a contrast threshold

Açıklama

public Imagick::selectiveBlurImage(
    float $radius,
    float $sigma,
    float $threshold,
    int $channel = Imagick::CHANNEL_DEFAULT
): bool

Selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.

Bağımsız Değişkenler

radius
sigma
threshold
channel: Normalde kanal türü sabitlerinden biridir, ancak bitsel işleçler kullanılarak birden fazla kanal belirtilebilir. Imagick::CHANNEL_DEFAULT öntanımlıdır.

Dönen Değerler

Başarı durumunda true döner.

Örnekler

Örnek 1 Imagick::selectiveBlurImage()

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

?>

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