Image Edit Class: Manipulate GIF, JPEG and PNG images

This class can be used to manipulate GIF, JPEG and PNG images.

It can load an image in GIF, JPEG and PNG formats and perform several types of operations.

Currently it can resize the image, render a text on the image, render a watermark image and apply several types of effects like blur, edge detection, sharpen, emboss, etc..

The resulting image can be saved to a file or displayed as the current script output also in GIF, PNG and JPEG formats.