Chapter 3

More information including a complete up-to-date list of current file formats can be viewed at URL

http://www.dcs.ed.ac.uk/home/mxr/gfx/2d-hi.html

or FTP to

ftp://rtfm.mit.edu/pub/usenet/news.answers/graphics/fileformats-faq/

Another very organized site is

http://www.lib.rochester.edu/multimed/contents.htm

The URL

http://www.macromedia.com/

points to Macromedia.

An excellent website made with Director is at

http://www.thepowerstation.co.uk/

GIF87 is explained at URL

http://www.dcs.ed.ac.uk/home/mxr/gfx/2d/GIF87a.txt

and GIF89 is detailed at

http://www.w3.org/Graphics/GIF/spec-gif89a.txt

For a shareware program (that is consequently very popular) for developing GIF animations see URL

http://www.mindworkshop.com/alchemy/gifcon.html

JPEG is considered in detail at

http://www.htmlhelp.com/design/jpeg-faq.txt

The PNG Specification by W3C is at

http://www.boutell.com/boutell/png/

PNG information:

http://www.libpng.org/pub/png/

Animated illustration of the PNG 2-D interlacing:

PNG-interlace.html

The PDF file format is considered at

http://www.adobe.com/products/acrobat/main.html

Finally, the ubiquitous BMP file format is explained on the web at URL

http://www.dcs.ed.ac.uk/home/mxr/gfx/2d/BMP.txt

In terms of actually reading such file formats, code for simple 24-bit .bmp file reading and manipulation is available here