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Re: Sprite files

From Jean-Michel <jmc.bruck@orange.fr>
Newsgroups comp.sys.acorn.misc
Subject Re: Sprite files
Date 2025-02-28 12:38 +0100
Organization Jean-Michel
Message-ID <5bfb3bf65b.jmb@jmc.bruck.orange.fr> (permalink)
References (9 earlier) <bcbb56f55b.harriet@bazleyfamily.co.uk> <663e63f55b.jmb@jmc.bruck.orange.fr> <7dab6df55b.harriet@bazleyfamily.co.uk> <vps0uq$3jk3n$1@dont-email.me> <711937f65b.harriet@bazleyfamily.co.uk>

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In message <711937f65b.harriet@bazleyfamily.co.uk>
          Harriet Bazley <harriet@bazleyfamily.co.uk> wrote:

> On 28 Feb 2025 as I do recall,
>           druck  wrote:

>> On 26/02/2025 22:04, Harriet Bazley wrote:
>>> On 26 Feb 2025 as I do recall,
>>>            Jean-Michel  wrote:
>>> I tried saving a 2 colour monochrome file at 300% scale from GView, but
>>> it crashed Paint when I double-clicked on it, and gave an Xsprbadbpp
>>> error when I dragged it into SharpEye.   :-(
>>> 
>>> (ChangeFSI can display it, and reports it as "RISC OS sprite, 744 by
>>> 1052 pixels, 32 bits per pixel" - DPlngScan reports it as 'Type 6.
>>> Palette entries 0")
>> 
>> That isn't a monochrome sprite, they are 1 bit per pixel.
>> 
> That's what my copy of GView (v1.52) apparently generates when 'Colour
> depth' is set to 'monochrome'....   :-(

> And the visual output in the window certainly appears black and white
> with no greyscale, so I don't know what's going on.  Switching the radio
> icon to '16 colours' instead of 'monochrome' saves a sprite that still
> crashes !Paint 2.55, but which ChangeFSI reports as being 4 bits per
> pixel - since when has Paint been unable to display a 16-colour sprite?

> In fact on experiment *all* sprites saved out from GView's 'Save' option
> currently appear to be crashing Paint, whatever colour depth or scaling
> factor is set - and is apparently being obeyed in the visual display -
> and whether or not the 'Use GhostScript sprite device' option at the
> bottom of the choices is ticked.  So I really don't know what is going
> on!

Can you specify the version of the Ghostscript you use. I have no problem 
with version 8.54.
I had installed the more recent version but I think it generated the 
problem of monochrome sprite. Too bad because it's a VFP version!

> The filesize of the generated spritefile varies plausibly according
> to the colour depth requested, and they all load correctly if dragged
> into ChangeFSI but give an "Internal error: abort on data transfer"
> error if I double-click on them.   Maybe I need to reboot....





-- 
Jean-Michel

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Thread

Sprite files Chris Newman <newslists@npost.uk> - 2025-02-22 12:45 +0000
  Re: Sprite files Steve Fryatt <news@stevefryatt.org.uk> - 2025-02-22 14:06 +0000
    Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-23 10:55 +0000
      Re: Sprite files Chris Hughes <news13@noonehere.co.uk> - 2025-02-23 11:31 +0000
        Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-23 12:01 +0000
          Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-23 23:34 +0000
      Re: Sprite files Dave <dave@triffid.co.uk> - 2025-02-23 11:54 +0000
        Re: Sprite files John <newsmcc@blueyonder.co.uk> - 2025-02-23 14:37 +0000
          Re: Sprite files Dave <dave@triffid.co.uk> - 2025-02-24 08:30 +0000
            Sprite files Dave <dave@triffid.co.uk> - 2025-02-26 11:50 +0000
              Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-26 16:42 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-26 17:45 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-26 17:54 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-26 21:10 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-26 22:04 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-27 10:07 +0100
                Re: Sprite files druck <news@druck.org.uk> - 2025-02-28 09:51 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 10:45 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 12:38 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 14:02 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 15:58 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 20:02 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 11:07 +0000
                Re: Sprite files druck <news@druck.org.uk> - 2025-02-28 14:17 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-27 22:17 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-27 23:32 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 00:24 +0000
                Re: Sprite files Stuart <Spambin@argonet.co.uk> - 2025-02-28 10:45 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 12:50 +0100
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 15:57 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 17:24 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-28 20:37 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-02-28 21:26 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-01 11:31 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-23 19:14 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-24 11:38 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-24 15:20 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-24 18:50 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-24 18:46 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-25 10:33 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-25 10:40 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-25 19:52 +0100
                Re: Sprite files Alan Griffin <ajg@argonet.co.uk> - 2025-03-25 21:45 +0000
                Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-03-25 23:16 +0100
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-25 23:52 +0000
                Re: Sprite files Harriet Bazley <harriet@bazleyfamily.co.uk> - 2025-03-25 21:58 +0000
                Re: Sprite files Kevin Wells <kev@kevsoft.co.uk> - 2025-02-27 23:27 +0000
                Re: Sprite files Chris Newman <newslists@npost.uk> - 2025-02-28 15:53 +0000
                Re: Sprite files Kevin Wells <kev@kevsoft.co.uk> - 2025-02-26 21:03 +0000
      Re: Sprite files Jean-Michel <jmc.bruck@orange.fr> - 2025-02-24 10:42 +0100

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