Re: PNG support

by Timothy Embler <tembler(at)multipleimage.com>

 Date:  Sat, 14 Feb 1998 09:06:39 -0800
 To:  chad.douglas(at)iname.com
 Cc:  HWG-GRAPHICS(at)hwg.org
 References:  rhodes
  todo: View Thread, Original
What browsers support PNG?  Is it just the 4.x?

Thanks,

Tim


At 10:25 AM 2/14/98 -0500, you wrote:
>
>
>> Also, someone mentioned that PNG is designed as a replacement for gif.
I know
>> that gif and png are both lossless compression algorithms, but doesn't png
>> support more than 256 colors or am I mixing things up?
>
>You are correct.  PNG is a replacement for GIF pimarily because there was
a big
>stink raised a couple years ago because of the compression method used in GIF
>files. The LZW compression method was apparently patented by some company
(I can't
>remember the name) then Compuserve invented GIF using that method.
>
>Once GIF got thoroughly embedded in our day-to-day computer use, the
owners of the
>LZW compression method said that they wanted a royalty on any program that
could
>read or write GIF files since they owned the compression method used in them.
>
>True to form, the computer world gave them the bird, and decided to phase
out the
>use of GIF. At the time, JPEG already existed, but it was a lossy format,
and was
>not good for some jobs, so PNG was invented.  PNG was designed from the
beginnning
>to be free, and they added 16-million color support to it so you can use
PNG with
>all those cool images.. :)
>
>--
>Chad Douglas               ( http://infofree.dalco.net/personal/chad/ )
>
>Connections Consulting ( http://infofree.dalco.net/ )
>232 E. Pleasant St.
>Hillsboro OH  45133
>
>See the HTML Examples Archive at http://infofree.dalco.net/examples/
> 

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