Hardcover: 232 pages
Publisher: Packt Publishing Limited (June 23, 2006)
ISBN-10: 1847190693
ISBN-13: 978-1847190697
Shipping Weight: 1.7 pounds
Unleash the power of ImageMagick with this fast, friendly guide. It’s packed with examples of photo manipulations, logo creation, animations, and complete web projects. With this book up your sleeve, you’ll be creating spellbinding images from code in no time.
ImageMagick is a free software suite to create, edit, and compose bitmap images using text-based commands. The commands can be issued from the command line, but more often will be included in web or desktop applications - carrying out complex image-manipulation tasks in response to the user’s input. ImageMagick is a popular way for generating images on-the-fly in web pages, whether it’s generating thumbnails from a large image, or creating complex combinations of images, text, and effects chosen by a visitor or the web site’s creator. Sohail Salehi is an experienced computer graphics artist, working with 2D, 3D, and video graphics. The book shows his techniques in action. This is no laborious walk through of ImageMagick, with one dull example after another. The chapters consist of workshops, each one applying a set of ImageMagick commands to produce surprising and exciting results. As you read the book, you will learn the features of ImageMagick as well as getting lots of inspiration and ideas for how you can use it in your own projects. You’ll be amazed by the creative results you can achieve using code.
User Review:
ImageMagick is a command-line image processing system from ImageMagick Studio, LLC. It is used by websites for dynamic processing and displaying images. If the number of images on your site is not too large, you will probably process the images in a graphics program such as Photoshop and display the images on your site using HTML and CSS. Although it is mostly used by websites with huge numbers of images, another option is to use a command-line system such as ImageMagick to process and display your images on the fly. For example, the free online encyclopedia Wikipedia uses ImageMagick's command-line utilities for their imaging needs.
In this book, Sohail Salehi teaches what ImageMagick is and how to do some nice tricks with it. There are many small workshop exercises throughout the book that reinforce what you have learned. Salehi begins with an introduction and then walks you through installing and configuring ImageMagic on your system. Next, he covers the basic command-line utilities ranging from the simple resizing and formatting of images to applying special effects, watermarks and creating animation all from text-based commands.
I found the second half of the book to be the most useful. It presents several web applications using ImageMagick and PHP. The first was a confirmation-code box. You have probably encountered one of these when you opened an account on the web. It is that little box containing a mystery code of numbers and letters and you must enter this code in the web form to prove that you are a real person filling out the form and not a web robot. Salehi shows you how to use ImageMagick and PHP to generate the mystery code and display it in the web form. Another application that I really liked was a three-step process for a customizable e-card application which uses ImageMagick utilities to create the thumbnail and gallery images for an HTML-based web gallery. He also shows you how to use ImageMagick to dynamically customize the e-cards with text and graphics based on user input.
Sohail Salehi has contributed to over twenty books and many articles related to graphics and programming.
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