Picture manipulation with GS

[Dan Gudmundsson]

Check e3d directory in the wings3d source for some examples of image
handling code, it doesn't contain exactly what you want but that
should be easy to write.

/Dan

Firestone, Todd \(TFIRESTO\) writes:
 > Hello,
 > 
 > I am interested in knowing if it is possible to pull in the information from a bitmap, manipulate the information, and display the new bitmap.  
 > 
 > My goal is to take an arbitrary bitmap, read it in, pull the last line of information out of the bitmap, shift all the other rows down by one, and place the previous last line at the top of the bitmap.  This would be placed in a loop and the picture would look like it was wrapping as it scrolled.  
 > 
 > I would appreciate any suggestions for being able to perform this function strictly in erlang and not having to depend on any C (or other) APIs. 
 > 
 > Sincerely,
 > Todd Firestone
 > 
 > ARINC
 > Annapolis, MD 21401
 > tfiresto@REDACTED
 > (410) 266-2238