kopia lustrzana https://gitlab.com/sane-project/backends
87 wiersze
2.8 KiB
Plaintext
87 wiersze
2.8 KiB
Plaintext
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General:
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--------
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- some sort of fixed lookup-table is necessary to compensate for the non-linear
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CCD/CIS behaviour. A gamma value is not good enough. Or maybe line calibration
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can be used for that?
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- should backtracking be disabled in high resolutions? add a minimum res?
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check if disabling at >= 1/2 max res is ok
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- Scanning on *BSD works only once for all scanners but 2448. firmware
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upload sometimes works more than once
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- remove gain/offset options when everything works
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- check how many shm buffers are acually used
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- update German translation
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- debug options -> advanced
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- check fast preview
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- check calib for first scan only
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- setup exposure start per scanner (?)
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- reformat source code (indent -gnu)
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- Can gt6801/gt6816-specific code be simplified?
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- check all the manual hacks in setup_scan
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- gt6816: really bpl*3 in line mode? Not for 2448.
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- Check autobandwidth
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- check several get scanner info functions
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- check exposure (start + stop)?
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- check misc control (motor settings?)
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CCD:
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----
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- check if CCD calib has stripes now (white limit too high?)
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*** coarse + fine calib gray in gray mode
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fine calib is ok
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coarse calib has an extremely high gain
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Mustek BearPaw 2400 TA Plus:
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- some lines at the beginning of each image have wrong colors (linedistance?)
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This seems to happen with other scanners, too.
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- 600 dpi no backtrack, 1200, 2400 dpi backtrack (gray), check with windows for color
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Mustek BearPaw 1200 TA:
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- similar color problem as 2400 TA Plus, doesn't always happen?
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Mustek BearPaw 2448 TA Plus:
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- all modes are slow (massive backtracking)
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- top borders move with resolution (happened in the early days with 2400 TA!)
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- gray scans have different brightness
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- scan motor is bumpy and freezes sometimes
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- vertical stripes
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- TA settings are wrong
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- no backtrack >= 600 dpi (also gray!)
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- don't move before and after scan
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- check jpeg output
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CIS:
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----
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- first offset always 0?
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- use factor in line calib to reduce bluish look?
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- calib: like CCD black+white at the same time?
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- exposure is done in windows always after gain (algo?)
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- exposure sometimes is endless?
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- coarse + fine calib in color mode
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Mustek BearPaw 1200 CU
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- still vertical lines sometimes (esp. white)?
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- image is bluish
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- bright strip on left side? Also visible without white calibration. Check exposure.
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- check with windows
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- 600 dpi no backtrack
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Mustek BearPaw 2400 CU Plus
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- first offset is ok!
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- exposure limit is easily reached
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- exp start: 0a (fixed)
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- exp stop starts at 2ce
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- exp runs in the wrong direction (not repr.)?
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- win: optimization is active!
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- also small white vert. strip at the left
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- check backtrack limit (1200?)
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Mustek ScanExpress A3 USB
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- still slight vert. stripes
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- why is line distance setup necessary? Is there a better setting than 0,5,5?
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Mustek ScanExpress 2400 USB
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- make it work
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