[sane-devel] sane-brightness range

[Stef]

On 07/25/2012 12:40 PM, Ganapati Hegde wrote:
>
> Hi Allan ,
>
> Thanks for the response. Here I would want the device to apply the 
> brightness and contrast values rather than XSane after image  is 
> retrived from device.  Is it possible to tell XSane that brightness 
> and contrast will be applied by the device and XSane should not do it.
>
> Regards
>
> Ganapati
>
> *From:*m. allan noah [mailto:kitno455 at gmail.com]
> *Sent:* Friday, July 20, 2012 6:36 PM
> *To:* Ganapati Hegde
> *Cc:* sane-devel at lists.alioth.debian.org
> *Subject:* Re: [sane-devel] sane-brightness range
>
> there is no requirement in the sane api as to the scale of your 
> brightness controls. You should be able to leave them at -60 to +60, 
> and XSANE should scale them to match it's internal requirements. I use 
> -127 to +127 in the fujitsu backend.
>
> allan
>
> On Fri, Jul 20, 2012 at 8:58 AM, Ganapati Hegde 
> <ganapati.hegde at celstream.com <mailto:ganapati.hegde at celstream.com>> 
> wrote:
>
> Hi ,
>
> I am looking to add new brightness and contrast range from backend 
> code. If it is possible how can I do this.
>
> I am using xsane as my frontend and it supports -100 to +100 range. I 
> need range in -60 to +60. If possible to add new range how it would be 
> different from xsane range.
>
> I have tried to add range in backend code but UI will display 
>  brightness and contrast in Standard option window and brightness is 
> not working. It would be of great help if I got information on this.
>
> Regards
>
> Ganapati
>
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>
     Hello,

     Xsane has a menu in device settings which allow to disable 
automatic image enhancements.

Regards,
     Stef