Groups > comp.lang.python > #196364

Re: in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?)

From	Greg Ewing <greg.ewing@canterbury.ac.nz>
Newsgroups	comp.lang.python
Subject	Re: in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?)
Date	2024-07-04 03:36 +1200
Message-ID	<lel9gjF7ijsU1@mid.individual.net> (permalink)
References	<v614q9$1m6mo$2@dont-email.me> <m2sewqaffl.fsf@cochabamba-1.kpn>

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On 3/07/24 11:22 pm, Pieter van Oostrum wrote:
> In general a 'PNG' image has better quality than 'GIF'. In a 'PNG' image all the pixels that the program generated are still present, exactly as they were generated. In a 'GIF' image, however, pixels may have been altered in order to accommodate a smaller file size.

I think you're thinking of JPEG. PNG and GIF both use lossless 
compression, however GIF only supports 8-bit colour and 1-bit 
transparency. For images with no more than 256 distinct colours, PNG and 
GIF will probably give identical results.

-- 
Greg

Thread

in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?) HenHanna <HenHanna@devnull.tb> - 2024-07-02 08:02 -0700
  Re: in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?) Pieter van Oostrum <pieter-l@vanoostrum.org> - 2024-07-03 13:22 +0200
    Re: in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?) Greg Ewing <greg.ewing@canterbury.ac.nz> - 2024-07-04 03:36 +1200
      Re: in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?) HenHanna <HenHanna@devnull.tb> - 2024-07-03 10:31 -0700
        Re: in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?) Greg Ewing <greg.ewing@canterbury.ac.nz> - 2024-07-04 10:24 +1200
      Re: in a program like this, it makes NO difference , whether i save as PNG or GIF ? (size?) Pieter van Oostrum <pieter-l@vanoostrum.org> - 2024-07-05 13:54 +0200

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