PNG (Portable Network Graphics) is the next-generation graphics file format for the Web. Designed as an open-source format to replace the proprietary GIF format, PNG is better, smaller, more extensible, and free. Already supported by major software like Macromedia Fireworks, Adobe Photoshop, and Microsoft Office, as well as Netscape Navigator and Microsoft Internet Explorer, PNG is an elegant and feature-rich image format that has finally achieved broad industry support.PNG: The Definitive Guide addresses the needs of both graphic designers who want to get the most out of the format and programmers who want to add full PNG support to their own applications.In the "Using PNG" section, Roelofs covers Web browsers and servers, image viewers, i...