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'); ...

Get CodeIgniter 2 Cookbook now with the O’Reilly learning platform.

O’Reilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers.