Fading, GIFs, special effects

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3 total messages Started by Mike Robinson Fri, 10 Apr 1992 21:59

#141

Author: Mike Robinson
Date: Fri, 10 Apr 1992 21:59

10 lines
819 bytes

Hi,

   I am wondering if anyone can point me to some source code that 
will show me how to do fading, color cycling, swipes, etc.???  I 
am also interested in figuring out how I can write a program to 
display GIF images, but I don't quite know where to start.  Amy 
help will be appreciated.

Thanks in advance,
* Robinson

Re: Fading, GIFs, special effects

#145

Author: Joe Huffman
Date: Sat, 11 Apr 1992 20:18

12 lines
818 bytes

robinsonm@clvax1.cl.msu.edu (Mike Robinson) writes:
>am also interested in figuring out how I can write a program to 
>display GIF images, but I don't quite know where to start.  Amy 
>help will be appreciated.

FlashTek, Inc. sells a graphics library (Flash Graphics) that comes with
the source code for a simple GIF viewer.  I occasionaly send out the
GIF viewer via email to people requesting it...

-- 
uunet!proto!joe
joe@proto.com

Re: Fading, GIFs, special effects

#149

Author: Greg WARD
Date: Sun, 12 Apr 1992 21:20

39 lines
2296 bytes

In article <1992Apr10.220214.28221@msuinfo.cl.msu.edu> robinsonm@clvax1.cl.msu.edu writes:
>   I am wondering if anyone can point me to some source code that 
>will show me how to do fading, color cycling, swipes, etc.???  I 
>am also interested in figuring out how I can write a program to 
>display GIF images, but I don't quite know where to start.  Amy 
>help will be appreciated.

Not too sure on the fancy graphics stuff, but I can recommend a book or two:

     TITLE:       Programmer's Guide to the EGA/VGA *
     AUTHOR:      George Sutty and Steve Blair
     PUBLISHER:   Brady Books / Simon and Schuster, Inc.
     DATE:        1988

     TITLE:       Programmer's Guide to IBM PC and PS/2 Video Systems
     AUTHOR:      Richard Wilton
     PUBLISHER:   MicroSoft Press
     DATE:        1987

     TITLE:       Programmer's Guide to the EGA and VGA Cards
     AUTHOR:      Richard F. Ferraro
     PUBLISHER:   Addison - Wesley Publishing Co.
     DATE:        July, 1988

Sorry no ISBN info, but these come straight out of the file
proginfo.doc which came with my ATI SVGA card.  I'm familiar with the
last two; I have Wilton's book and it looks like it has excellent
coverage of basic graphics techniques (lines, circles, fills), but I
haven't done anything with these, and I don't know about that fancier
stuff you wanted.  Ferraro's book is mostly excellent for
card-specific techie stuff -- so you want to know what bit of what
register does what, and when?  This'll tell ya.  I included the first
one because ATI recommends it.  (Hence the * next to it.)

As for GIF's -- there is a fairly helpful file out there on the GIF
format.  Check the msdos/gif directory of your friendly neighbourhood
SIMTEL mirror site.

		Greg Ward (narpet@binkley.cs.mcgill.ca)

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