Apply watermark image

Licensed under the MIT license <http://www.opensource.org/licenses/mit-license.php>
Copyright 2011, Josemar Davi Luedke <josemarluedke@gmail.com>


Use:

# Include watermark class
require "../watermark.php";

# Watermark class started
$watermark = new Watermark();

# Apply watermark
$watermark->apply('from.jpg', 'to.jpg', 'watermark.png', 3);

Parameters of method apply
1: From image, original image
2: Target image, image destination
3: Watermark image
4: Watermark position number
 		* 0: Centered
		* 1: Top Left
		* 2: Top Right
		* 3: Footer Right
		* 4: Footer left
		* 5: Top Centered
		* 6: Center Right
		* 7: Footer Centered
		* 8: Center Left