(PECL imagick 3 >= 3.3.0)
Imagick::selectiveBlurImage — Selectively blur an image within a contrast threshold
$radius
,$sigma
,$threshold
,$channel
= Imagick::CHANNEL_DEFAULTSelectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.
radius
sigma
threshold
channel
Normalde kanal
türü sabitlerinden biridir, ancak bitsel işleçler kullanılarak birden
fazla kanal belirtilebilir. Imagick::CHANNEL_DEFAULT
öntanımlıdır.
Başarı durumunda true
döner.
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();
}
?>