[sane-devel] meaning of 1200x2400 etc. explained

[m. allan noah]

On Mon, Feb 18, 2008 at 1:35 PM, Oliver Rauch
<oliver.rauch at rauch-domain.de> wrote:
>
>  Am Freitag, den 15.02.2008, 15:08 +0100 schrieb Alessandro Zummo:
>
> > On Fri, 15 Feb 2008 07:37:08 -0500
>  > "m. allan noah" <kitno455 at gmail.com> wrote:
>  >
>  > > unfortunately, the DPI is not one of the parameters reported to the
>  > > frontend via sane_get_parameters, so a backend that does not have
>  > > resolution controls, or one that relies on the scanner to round the
>  > > resolution will not report the right values.
>  >
>  >
>  >  unless that structure gets extended on the bottom :-D
>  >
>
>  Or someone reads the doc and takes a look at the well known options.
>

two places where this does not work:
1. the backend does not expose resolution options because it only has one choice
2. the backend does not know the resolution the scanner will actually
use until after the call to start scanning.

i have seen machines with both issues.

allan
-- 
"The truth is an offense, but not a sin"