From: Marcus Sundberg <mackan@stacken.kth.se>
  To  : ggi-develop@eskimo.com
  Date: Mon, 19 Apr 1999 20:14:46 +0000

Re: GGI usage question

Christian Reiniger wrote:
> 
> Marcus Sundberg wrote:
> 
> >> >const ggi_pixelformat *pf = ggiGetPixelFormat(graphics->vis);
> >> >int pixelbytesize = pf->size/8;
> >>
> >> pf->size is the pixelsize in bits, right? Then this line won't work for
> >> 15bpp and other "non-even" depths (normal integer division IIRC rounds down
> >> - you need sonething rounding up)
> >
> >Pixelsize has nothing to do with depth.
> 
> Ok, sorry. But is it guaranteed to be a multiple of 8? Sorry for this
> nitpicking, but that really looks like a candidate for later debugging
> headaches ;)

Unless you use the GT_SUB_PACKED_GETPUT subscheme or have a host-system
where word-size is not a multiple of 8, yes.

//Marcus
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        Marcus Sundberg        | http://www.stacken.kth.se/~mackan/
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