[Coco] CoCo pictures to JPEG

[Joel Ewy]

Roger Taylor wrote:
> What would you say to the idea of having an upload form on coco3.com
> that can take a CoCoMax 3, ColorMax Deluxe, Rat, RLE, PMODE 3/4, and
> other CoCo formats and convert to a JPEG picture file?
>
> I could do this either as a separate module/page or integrate it with
> the Gallery somehow to accept .bin, .cm3, .mge, .rat, .rle pictures
> and do on-the-fly conversion to JPEG before the pictures are inserted
> into your user album.  This seems to be the best way I know to post
> real CoCo editor pictures.
>
>
Do it!  And I like Torsten's idea of using PNG.  Maybe have a radio
button to select between the two.  But actually, none of these images
are going to be large enough to really warrant the extra compression of
JPG.  Now that GIF's patents have expired, that might be a good option
as well.  In addition to showing up in modern web browsers, GIF files
will display on all kinds of older computers that weird people like us
might also have in our stables, such as MM/1s, Amigas, archaic Macs,
etc.  Might I also humbly suggest the .PIX format of the DS-69
Digisector, and the Rascan's .IMG formats. 

Depending on what libraries or utilities you are using to do your file
format conversions, it might also not be too hard to have it accept
separate red, green, and blue digitizer files and output a high-color
image from them.  That might warrant JPG.  I wrote a couple simple
programs in C to do that in OS-9.  They took DS-69 PIX, or VEF images
and converted them to 16-bit Targa (TGA) files, which could then be
viewed in SVGA or converted to .IFF or .GIF files.

JCE
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