Re: FVWM: Pixmaps have wrong colours

From: Dan Espen <dane_at_mk.telcordia.com>
Date: Wed, 21 Jul 1999 08:03:34 -0400

Neil Bird <neil.bird_at_rdel.co.uk> writes:
>
> I understand that fvwm's probably loading XPMs with a degree of lenience
> for the colours within the pixmap (as the Xpm library allows) - I'll check
> the code in detail in a mo., but in the meantime:
>
> Im trying to texture-up my display ('cos I can!). I'm limited to 256
> cols., so I'm ImageMagicking the pixmaps that I want to use into 8-16
> colours, and editing these so that they all use the same small subset of
> shades of blue that I prefer. I.e., with all the pixmaps loaded, I still
> shouldn't lose more that 16 colours out of my Colourmap
>
>
> a) I defined some title-bar button pixmaps (to try to get around the
> problem of not being able to have transparent-through-to-the-titlebar
> buttons - it still doesn't work, BTW), and found am oddity such that, with
> a 4-colour button (transparent, main, and high & low-lights for 3D), the
> pixmap's actually plotted with different colours to the ones I have on the
> xpm file ... even though the 'main' colour is the same as the title-bar's
> background colour.
>
> Thus, I get, where the pixmap's transparent, the correct 'main'
> colour (since it's the background), but where the pixmap has that very
> colour in it's definition, I get a distortion of it - like it's failed to
> find the real one & picked the nearest).
>
>
> b) I've set an 8-colour pixmap to be my menu backdrop. This pixmap works
> perfectly well elsewhere, but on the menu, it only ever appears with two
> colours, as if it's been dropped to a 1-bit visual.
>
>
> Anyone any clues?

Check the fvwm2 man page's description of colorlimiting.

>
> Ref: Sparc/Solaris 2.5.1; fvwm 2.3.6 (snap 19990716). I don't believe
> that the problem's restricted to this beta version, though.
>
> --
> Neil Bird | This is who we are The time is near

--
Dan Espen
444 Hoes Lane  Room RRC 1C-214           E-mail: dane_at_mk.telcordia.com
Piscataway, NJ 08854                     Phone: (732) 699-5570
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Received on Wed Jul 21 1999 - 07:05:31 BST

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