Compressed Image File Formats : Jpeg, Png, Gif, Xbm, Bmp

This comprehensive reference on the major graphics file formats and the compression technologies they employ is an indispensable resource for graphics programmers, especially those developing graphical applications for the Web. Compressed Image File Formats: JPEG, PNG, GIF, XBM, SMP examines the most common graphics file formats in detail and demonstrates how to encode and decode image files for each. In particular, this book offers in-depth coverage of the elaborate JPEG and newer PNG formats, providing clear explanations of complex concepts, experience-based practical techniques, and plentiful code examples. GIF, XBM, and BMP are also covered, with a focus on some of the less familiar and less well-documented features of these common file formats. If you want to learn how to read and write graphics file formats for the Web-including PNG and JPEG files-there is no better resource than this book. Specific topics covered include: • Compression technologies utilized in each file format • Color models employed by each file format • The advantages and disadvantages of each file format • Huffman Coding • LZW Compression • File deflation/inflation • Progressive JPEG • The Discrete Cosine Transform • Animated GIF