http://www.boutell.com/gd/ is the web page of the original author of the GIF creation library GD. Originally, when Compuserve created GIF, the file format most commonly used included a compression algorithm that was patented by UNISYS (see LZW). When UNISYS began enforcing their patent, work on free GIF creation libraries shifted from generating compressed files using the patented algorithm to creating image files uncompressed.
LV libgd 2.0.33 (as of 2004) works with gifs, jpegs, and pngs, as well as other formats.
Bullonya. It is a bad thing. fly includes libgd with gif, jpeg, and png support.
The GD home page:
http://www.rime.com.au/gd/
ramsan It seems to be an old TCL GD 1.1.1 Extension here:
http://www-personal.umich.edu/~spencer/guraldi/gdtcl.html
Michael Schwartz's Tcl extensions at http://www.du.edu/~mschwart/tcl-tk.htm include a GD package.
Spencer Thomas has another GD extension at http://www.aps.anl.gov/helpdocs/gd/gdtcl.html
gdtclft also is a Tcl layer around GD. All of these seem to be developed around the same Spencer Thomas code.
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