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From: Andrew Apted <ajapted@netspace.net.au>
To : ggi-develop@eskimo.com
Date: Thu, 27 Aug 1998 02:42:44 +1000
Re: libggi doc changes
Steve writes:
> More I've missed.
>
> # The buffer size needs to be at least w*h*sizeof(ggi_pixel)
>
> (referring to get/put buffers.)
>
> Do we say "w * h * (ggiGetPixelFormat()->size+7) / 8" instead?
> Sounds complicated... :)
>
> Or w*h*sizeof(ggi_pixel) is "good enough" ?
IMHO not really (I guess this goes back to the bad old days when
get/put buffers were opaque).
Probably "w*h*pixel_size" bytes where pixel_size is given by the above
equation or (GT_SIZE(mode.graphtype)+7)/8. At least for unpacked
buffers (packed buffers can be requested using GT_SUB_PACKED_GETPUT
graphtype flag, although nothing implements them yet).
Cheers,
_____________________________________________ ____
\ /
Andrew Apted <andrew@ggi-project.org> \/
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