|
Server : Apache/2.4.62 System : FreeBSD fbsdweb2.web.rcn.net 14.1-RELEASE FreeBSD 14.1-RELEASE releng/14.1-n267679-10e31f0946d8 GENERIC amd64 User : www ( 80) PHP Version : 8.3.8 Disable Function : NONE Directory : /usr/local/share/doc/giflib/whatsinagif/ |
Upload File : |
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <title>What's In A GIF</title> </head> <body> <table width='100%' cellpadding='0' summary='Canned page header' bgcolor="#ddd"> <tr> <td><h2>What's In A GIF</h2></td> <td align="center"><img src="../giflib-logo.gif"></td> <td align="right">(main page)</td> </tr> </table> <div id="body"> <p>These pages explain down to the bit level what's inside a GIF, and are offered in the hope they will be useful to programmers using GIFLIB.</p> <p>The explanation is in three parts:<p> <ol> <li><a href="bits_and_bytes.html">Bits and Bytes</a> - first we look at the file format that makes up a GIF file</li> <li><a href="lzw_image_data.html">LZW Image Data</a> - a closer look at how image data is compressed within a GIF file</li> <li><a href="animation_and_transparency.html">Transparency and Animation</a> - how some of the more advanced features of GIF files work</li> </ol> </div> <p>Due credit: much of this material was written by one Mike Flickinger in 2005, though it has been significantly revised and expanded for GIFLIB. The illustrations are all his.</p> </div> <div style="text-align:center; margin-top: 10px; padding-top: 10px; border-top: #cecece 1px solid"> <a href="../index.html">Back to GIFLIB documentation</a> </div> </body> </html>