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Imagick::autoLevelImage — Description
$channel
= Imagick::CHANNEL_DEFAULT
] ) : boolAdjusts the levels of a particular image channel by scaling the minimum and maximum values to the full quantum range.
channel
Which channel should the auto-levelling should be done on.
В случае успешной работы возвращает TRUE
.
Пример #1 Imagick::autoLevelImage()
<?php
function autoLevelImage($imagePath) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->autoLevelImage();
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>