[sane-devel] XSane tweaks settings by its own :-(

[Oliver Rauch]

Hello Gerhard.

This is caused by a rounding in xsane-back-gtk.c line 2218
in function:

static void xsane_back_gtk_value_update(...)

    case SANE_TYPE_INT:
     val = adj_data->value + 0.5;

remove the "+ 0.5" and it should work.

But I am not sure if this will cause other problems.
I think there has been a reason for adding the "+ 0.5"

Oliver

Am Die, 2004-06-08 um 12.15 schrieb Gerhard Jaeger:
> Hi,
> 
> I'm currenlty trying to add more frontend configurable options to the Plustek
> backend and have some problems with xsane now.
> There's a value whose range is from -1..63. At the default state, when
> starting xsane, it is properly displayed: -1.
> When changing once to i.e. 6 and changing it back to -1, xsane stores
> it as 0 and also displays it after the next startup as 0..
> Bug or feature? What is wrong. The type of this option is SANE_TYPE_INT,
> the contraint_type is SANE_CONTRAINT_RANGE...
> The configfile of xsane shows, that this value is stored as 0 and not as -1...
> 
> Any ideas?
>   Gerhard
>