[sane-devel] Possible bug in canon backend or scanimage

[m. allan noah]

try American English- unrecognized

allan

On Thu, Nov 4, 2010 at 4:53 PM, stef <stef.dev at free.fr> wrote:
> Le Thursday 04 November 2010 14:57:05 Myroslav Kavatsyuk, vous avez écrit :
>> Hello,
>>
>> Just recently I bought CanoScan 2700F film scanner (SCSI, canon ackend).
>> It works fine with the xsane/xscanimage frontends. However, I have troubles
>> to make it working with the scanimage frontend. Namely, I can not path
>> some scanner-specific options (--af, --afonce, --highlight).
>>
>> According to the manual this options are there:
>> >scanimage -d canon:/dev/sg2 -h
>>
>> ....
>>    --highlight 0..255 [255]
>>         Selects what radiance level should be considered "white".
>>   Focus:
>>     --af[=(yes|no)] [yes]
>>         Enable/disable auto focus
>>     --afonce[=(yes|no)] [yes]
>>         Do auto focus only once between ejects
>>
>> When I execute
>>
>> >scanimage -d canon:/dev/sg2 --resolution 2720 --film-type Slides
>> >--highlight 150 > out.pnm
>>
>> I get the error message:
>> > scanimage: unrecognised option --highlight
>>
>> I have checked the source code of the canon backend and I can not see gross
>> mistakes. Moreover I can control these options with the xsane GUI.
>>
>> Please give me a hint where should I look to find a solution of the
>> problem.
>>
>> Thank you in advance,
>> Best regards,
>> Myroslav
>
>        Hello,
>
>        I am quite puzzled since I can't see this error message in scanimage
> source code. Doing a " grep -r recognised * " on all SANE sources show no such
> message. What am I missing ?
>
> Regards,
>        Stef
>
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