[sane-devel] Preview in xscanimage only possible as root

[Henning Meier-Geinitz]

Hi,

On Wed, Nov 28, 2001 at 12:20:34AM +0100, Oliver Schwartz wrote:
> I don't know if it fixes the original problem, but I found a potential 
> problem in the snapscan backend. In sane_control_option, it didn't guard 
> against TL_X < BR_X and TL_Y < BR_Y, in particular, when TL_Y = BR_Y the 
> number of scanlines is zero and bad things may happen (particularly if trying 
> to divide by the scanlines). 
> 
> A quick survey showed that other backends (mustek, epson) may show the same 
> problem. You have to use the sliders for TL_X etc. to reproduce the error.

Thanks. I will fix the Mustek backend and add a TODO entry for the
others.

Bye,
  Henning