Hi
Please, d'nt forget the ACER ScanPrisa 640S
> > this is the current version of the TODO list. Please check and comment.
> >
> Any chance to add new functions here for next release like
> Warmup time, H/W jpeg scanning & S/W decoding...
>
> Best Regards,
> kw
>
>
> > Bye,
> > Henning
> >
> > TODO (2000-10-29)
> >
> > ******** todo ********
> >
> > backends
> > --------
> > * add new backends (?)
> > - as6e http://as6edriver.sourceforge.net/
> > - bh http://www.martoneconsulting.com/sane-bh.html
> > - Polaroid SprintScan 35 LE [should be included into microtek]
> > Dick Bruijn <dick@wau.mis.ah.nl>
> > - primax http://primax.sourceforge.net/
> > - hp4200 http://hp4200-backend.sourceforge.net/
> > - v4l2 http://video.inodes.org/sane-v4l2/
> > - Relisys Scorpio Super 3 SCSI II by Tyler
> > Bindon <martica@martica.org>.
> > - Linux Handscanner Ioctl Interface scanner by Harald
> > Bauer <hbauer@online.de>
> > - sane-pie (Pacific Image Electronics series of ScanAce SCSI
> > scanners, and the Devcom 9636/9630 BlackWidow)
> > http://www.munton.demon.co.uk/sane
> >
> > * use DBG(...) instead of fprintf(stderr, ...)
> > - microtek
> > - microtek2
> >
> > * check #include <lalloca.h> (is this a global system header
> > on any platform? Otherwise --> "lalloca.h")
> >
> > * make authorization_callback work in net-backend and saned
> >
> > * check net/saned
> > - net backend segfaults if saned isn't started
> > - don't just ignore the byte-order for the image data (needed to
> > support depths > 8 bits/channel)
> >
> > * qcam: implement auto mode for brightness and black-level (don't
> > just advertise it!) Actually, implement an auto "backend" instead
> > that can be plugged in front of any backend with brightness/contrast
> > etc controls
> >
> > * qcam: figure out how/if to support bulb mode
> >
> > * qcam: convert to use sanei_pio functions instead of direct port
> > access.
> >
> > doc
> > ---
> > * add sane manpage
> > - versioning system
> > - SANE API
> >
> > * add sane-usb manpage
> >
> > * Documentation for sanei API
> > - any ideas for this?
> >
> > frontends
> > ---------
> > * Remove frontends (at least xscanimage/xcam) from distribution.
Create
> > new package for frontends.
> >
> > * add new frondends (possibly to frontend package) (?)
> > - xsane
> > - scanadf
> >
> > * add possibility to use external filters to xscanimage/xsane (?)
> >
> > * xscanimage/xcam: support depths > 8 bits/channel
> >
> > * xscanimage: provide both scale and textentry for ranges (make new
> widget)
> >
> > * xcam: provide access to option doc strings
> >
> > * xscanimage: scanning of images whose heights is not known a priori
is
> not
> > supported yet; this is going to be important for handheld scanners.
At
> > least the frontend shouldn't crash or produce invalid pnm files when
> > it gets a length of -1.
> >
> > * xcam: add dithering and support for SANE depths other than 8 bit
(test
> > with Mustek backend, for example)
> >
> > * xcam: add recording feature (e.g., GIF, JPG, or MPEG)
> >
> > * dll: Rewrite to use libtool ltdl library
> >
> > * For 3-pass scanners, xscanimage doesn't update the scan progress
> > bar properly between scans; the scanner seems to be faster than
> > xscanimage can write to disk (problem: seek for every byte). This
> > doesn't happen as GIMP-plugin. It doesn't happen in blocking mode
> > either.
> >
> > * Add a check in the frontends if the backend delivers more data than
> > it announced by sane_get_parameters to avoid segfaults with bad
> > backends?
> >
> > * Adapt xscanimage to new GIMP API. Try to make it backwards
compatible
> > with old GIMP versions if possible.
> >
> > sanei
> > -----
> > * don't install sanei_* headers
> >
> > * add sanei_authorize (function for all backends)
> >
> > misc
> > ----
> > * update libtool versioning system
> > - -version-info is used but with the current version number system
> > -release should be used.
> > - look for AIX problems (overwriting shared libs with eachother
> > because all libs are named libsane.so.1)
> > - look for Irix/cc problems (program searches for libsane.so.2
instead
> > of libsane.so.1). This was fixed by a "bad hack" which should be
> > reverted .
> >
> > * remove compiler warnings (>400 warnings even in disable-warning
mode!)
> >
> > * Test SANE on different os/platforms, fix possible compilation
problems
> > Test methods: scanimage -d pnm:0 --filename=file.pnm -T
> > scanimage -d
net:localhost:pnm:0 --filename=file.pnm -T
> > (not possible if I'm not root on the system)
> > xscanimage / gimp with xscanimage plugin (where
> available)
> > All the above with shared and static libraries.
> >
> > * move .desc files for backends that are not included in SANE to
> > different directory (e.g. backends and external-backends)
> >
> > * Add a check for installed sane versions.
> >
> > * Print a warning when already a sane version is installed.
> >
> > * Maybe add script to detect and deinstall existing sane versions
> >
> > ******** done ********
> >
> > * 0 is white for sane in lineart and halftone, however, 0 is black for
> > the other modes. Possible reason: pnm data format. The SANE standard
> > doesn't talk about this (added point to SANE standard)
> > * add ADF and TA entries to .desc files (not done, probably webpage gets
> > too wide)
> > * check DBG problems for non gcc compilers:
> > - no backend name output
> > - only global debug level
> > * dll: make it robust against it being listed in the configuration
> > file (currently bad things will happen if dll attempts to load itself)
> > * scanimage: add information about backend:devicename in the man
> > page and scanimage --help.
> > * scanimage: check if devicename starts with a / and print a warning
> > message
> > * scanimage: if no devices are detected print a message
> > * use sanei_config_read() instead of fgets()
> > * use #include "sane/..." instead of #include <sane/...>
> > * Update LEVEL2 file. Ideas:
> > * xscanimage: Fix "Gtk-CRITICAL **: file gtkmain.c: line 534 ..." bug
> > when no SANE devices found
> > + PREVIEW: maybe there should be an option to limit the preview
> > scan to the selected area? YES => this will also make it easier
> > to avoid the scan area selection to get confused when the user
> > resizes the preview area in a way that changes the aspect ratio;
> > in essence we want to allow for the preview-image to be a subregion
> > of the preview-window (done in xsane)
> > + xcam: allow disabling of advanced options and tooltips
> > + man page for xcam
> > + scanimage: support depths > 8 bits/channel
> > + upgrade to GTK 1.2 (but stay backwards compatible to 1.0 if possible)
> > + saned: check_host() consider using strncasecmp()
> > + GTK: changing the length unit causes dirty pixels in the unit-labels
> > of the "Geometry Group"
> > + preview: image data doesn't get preserved properly when changing
> > scan area size (reproducable by changing Mustek Scan source to TA)
> > + preview: when popping up the preview window, the current scan area is
> > not visible
> > + qcam: test b&w support (need volunteer!)
> > + hp: convert to use pixel-unit commands only; HP 5P doesn't support
> > decipoint commands
> > + mustek: the MFS-06000SP with firmware v3.12 does not seem to need any
> > line-distance correction at all!?!
> > + scanimage/xscanimage: when a scanner is busy while probing for
devices,
> > the device is dropped silently from the list of available devices;
this
> > is confusing particularly when remote controlling a device; it should
> > be possible to distinguish between a device that's busy and one that's
> > absent
> > + xscanimage: program crashes when preview window is popped down while
> > preview is being acquired!
> > + Mustek backend crashes when invoked via xscanimage through the network
> > backend. It does not crash if there are no saved device settings.
> > + gtkglue: support vectors (requires a "graph" widget; see
> gimp/app/curves.c)
> > + xscan: make scrollbar wider
> > + xscan: at startup or after rebuilding the dialog, the notebook widget
> > displays both the standard and advanced options simultaneously
> > + xscan: pnm backend causes crash when hitting "Defaults" button
> > + scan: add three pass scanning support
> > + xscan: double-clicking selection should imply OK
> > + xscan: enabling the gtk_rc_parse() code causes segfault when scanning
in
> > three-pass mode (pnm backend) => bug in gtkstyle.c (patch submitted)
> > + qcam: implement "christmas light" filter
> > + xscan/qcam: after scanning a preview, the original scan area seems to
> > get lost somehow => bug in restoring the scan area settings
> > + qcam: image always comes out black until the blacklevel has been
> modified;
> > why is this? => send dummy black-level after qc_reset()
> > + xscan: provide access option doc strings
> > + xscan: in GIMP mode, RED/GREEN/BLUE frames are not handled properly
yet.
> > + preview: bit-depth is currently ignored (makes lineart etc fail)
> > + sanei: allow saving/restoring options on a per-device and per-user
basis
> > + xcam: replace ugly top-left/bottom-right corner coordinates with
> something
> > more useful => they're advanced options now
> > + preview: modifying the scan area coordinates should update the
selection
> > + preview: should we allow saving the current preview image? => yes
> > + xscan: make it possible to build with gtk alone (i.e., without gimp
> libs)
> > + xscan: use same scan-logic as preview (select-based, if possible);
> > should be able to share most of the code
> > + replace params.first_frame with params.last_frame---i don't know how
to
> > use the former, the latter would be useful for xcam to implement
support
> > for individual R/G/B frames
> > + saned: add multi-host capabilities (selection-phase ... how ??).
> > + saned: add authorization
> > + ensure frontend never link sanei_*() functions dynamically
> > + always define unique names in backends and define weak-aliases for
> > generic names where elf_alias is available---this should make it
> > easy to add "pre-load" support to dll.c (either for faster loading or
> > for systems that don't have dl*())
> > + make install: don't overwrite existing configuration files
> > + xcam: let user be able to type in a device string
> > + mustek: make sane_close() hang around until sane_cancel() has finished
> > + net: implement it: socket-based backend [Andy is working on this]
> > + need a camera front end (to allow recording video & audio)
> > + qcam: allow changing all parameters "on-the-fly" (while scanning)
> > + qcam backend: implement sane_set_io_mode() and sane_get_select_fd()
> > + make "scan" print current value of each option
> > + make "scan" apply any options before printing help message
> > + initialize backend debug level through environment variable (e.g.,
> > SANE_DEBUG_LEVEL)
> > + allow abbreviating string values and make them case-insensitive (as
long
> > as they're unique) => see sanei_constrain_value()
> > + add support to "scan" for setting options to "automatic"
> > + update documentation and convert to latex & html
> > + add --width/--height support
> > + update Mustek backend with new notion of inactive options
> > + in verbose multibit mode print min/max graylevel value
> > + Mustek segfaults after ctrl-C => need -Bsymbolic to ensure mustek
> backend's
> > references to sane_foo() get resolved within backend
> > + test parsing of boolean options
> > + --mode Gray causes segfault
> > + change scan to use getopt_long
> > + make Mustek backend work without having to first call get_devices()
> > + implement meta backend
> > + bring pnm backend up to speed
> >
> > --
> > Source code, list archive, and docs: http://www.mostang.com/sane/
> > To unsubscribe: echo unsubscribe sane-devel | mail majordomo@mostang.com
>
>
> --
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>
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