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Imagick::selectiveBlurImage — Description
$radius
, float $sigma
, float $threshold
[, int $channel
= Imagick::CHANNEL_DEFAULT
] ) : boolSelectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.
成功した場合に TRUE
を返します。
例1 Imagick::selectiveBlurImage()
<?php
function selectiveBlurImage($imagePath, $radius, $sigma, $threshold, $channel) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->selectiveBlurImage($radius, $sigma, $threshold, $channel);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>