Imagick::autoLevelImage
Adjusts the levels of a particular image channel
Description
public bool Imagick::autoLevelImage(int $channel = Imagick::CHANNEL_DEFAULT)
Parameters
-
channel
-
Which channel should the auto-levelling should be done on.
Return Values
Returns true on success.
Examples
Example #1 Imagick::autoLevelImage
<?php
function autoLevelImage($imagePath) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->autoLevelImage();
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>