[sane-devel] [janitorial] New backend: escl

[Thierry Hucard]

No the backend receives the scanner data (the jpeg format always seems to be present), it can be jpeg, png, pdf or octet-stream. I didn't see any tiff. The data is compressed and sent back to the frontend.

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Le 15 déc. 2019 à 19:56, à 19:56, Ulf Zibis <ulf.zibis at gmx.de> a écrit:
>
>Am 15.12.19 um 19:43 schrieb thierry at ordissimo.com:
>> Le 2019-12-15 18:34, Ulf Zibis a écrit :
>>> Hi List,
>>>
>>> Am 15.12.19 um 09:10 schrieb Olaf Meeuwissen:
>>>>
>>>> The backend currently only supports image data transfer in JPEG
>format
>>>> but Thierry indicated he wanted to add support for PNG and PDF as
>well.
>>>
>>> Would it be possible to also support the TIFF format, as for
>black&white
>>> it is the best compressing with Fax G4 compression?
>>
>> I didn't see any device managing Tiff, send me the capability file, I
>> could add the support.
>> curl http://<ip>:<port>/eSCL/ScannerCapabilities
>> or
>> curl -k https://<ip>:<port>/eSCL/ScannerCapabilities
>
>In my understanding, it's not the scanner, which supports the TIFF
>format, but it has to send raw (or lossless compressed) format, so sane
>or the sane frontend could compress to TIFF.
>
>-Ulf
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