CodeIgniter 2 Cookbook

Adding watermarks with text

Adding a watermark can be a useful way to tag images with your copyright (just make sure you're the copyright owner). CodeIgniter comes with an easy method to apply a watermark to an image. Watermarks can be either text or an image overlay and can be positioned on an original image at any position you wish. The following is a description of how to add text watermarks.

Getting ready

We're going to use a library of our own for this. If you haven't already done so (in the other recipes in this chapter), create the following file:

• /path/to/codeigniter/application/libraries/image_manip.php

1. Ensure that the image_manip library class is defined as follows:

   <?php if (! defined('BASEPATH')) exit('No direct script access allowed'); ...