[sane-devel] Weird behavior setting option on epsonscan2

[Thiago Milczarek Sayão]

Found the problem, must call sane_cancel() after scanning is done.

Em seg., 5 de dez. de 2022 às 09:21, Thiago Milczarek Sayão <
thiago.sayao at gmail.com> escreveu:

> Hi,
>
> I am detecting the need to reload options when calling sane_control_option
> an then reloading the options.
> It's weird that it accepts the new configuration.
>
> Maybe I'm doing something wrong and It's losing other configurations when
> setting the Color (I suspect it's returning to ADF source).
>
> Cheers.
>
> Em sex., 2 de dez. de 2022 às 19:42, Ralph Little <skelband at gmail.com>
> escreveu:
>
>> Hi,
>>
>> On Fri, Dec 2, 2022 at 2:28 PM Thiago Milczarek Sayão <
>> thiago.sayao at gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I've downloaded epson drivers here:
>>> https://support.epson.net/linux/en/epsonscan2.php
>>>
>>> Scanning generally works, but there's one option behaving weird:
>>>
>>> SaneOptionDescriptor {
>>>     name='mode',
>>>     title='Scan mode',
>>>     desc='Selects the scan mode (e.g., lineart, monochrome, or color).',
>>>     type=SANE_TYPE_STRING,
>>>     unit=SANE_UNIT_NONE,
>>>     size=11,
>>>     cap=5,
>>>     constraintType=SANE_CONSTRAINT_STRING_LIST, list=[Color, Grayscale,
>>> Monochrome]
>>>  }
>>>
>>> When I set this option to Color, Grayscale or Monochrome scanning it
>>> will return SANE_STATUS_NO_DOCS as if
>>>
>>> SaneOptionDescriptor {
>>>     name='source',
>>>     title='Scan source',
>>>     desc='Selects the scan source (such as a document-feeder).',
>>>     type=SANE_TYPE_STRING,
>>>     unit=SANE_UNIT_NONE,
>>>     size=8,
>>>     cap=5,
>>>     constraintType=SANE_CONSTRAINT_STRING_LIST, list=[ADF, Flatbed]
>>> }
>>>
>>> was set to ADF. But I'm always sure to set to Flatbed.
>>>
>>>
>>> Does it make a difference if you change the order of the option sets?
>> Some options (typically mode and source) request a reload of options as
>> other options can be affected.
>>
>> Cheers,
>> Ralph
>>
>
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