<?php
include("class.imagedit.php");
function brighten($url)
{
$image = new imagedit($url);
$image->brightness(
25 /* Area: -100 to 100(brightest) */
);
return $image->getJPG();
}
function contrast($url)
{
$image = new imagedit($url);
$image->contrast(
-90 /* Area: -100 to 100(no Contrast) */
);
return $image->getJPG();
}
function grayscale($url)
{
$image = new imagedit($url);
$image->grayscale();
return $image->getJPG();
}
?>
<body style="background: yellow;">
<h1>Imagedit Demo 4: Brightness, Grayscale, Contrast</h1>
<img style="border: 1px solid black;" src="data:image/jpeg;base64,<?=base64_encode(brighten("portrait.png"))?>"></img>
<img style="border: 1px solid black;" src="data:image/jpeg;base64,<?=base64_encode(contrast("portrait.png"))?>"></img>
<img style="border: 1px solid black;" src="data:image/jpeg;base64,<?=base64_encode(grayscale("portrait.png"))?>"></img>
</body>
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