kopia lustrzana https://gitlab.com/sane-project/backends
Added entry about DBG warnings.
Henning Meier-Geinitz <henning@meier-geinitz.de>DEVEL_2_0_BRANCH-1
Henning Geinitz
rodzic
0064ad99fc
commit
720718f391
445
TODO
445
TODO
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@ -1,37 +1,428 @@
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----- todo:
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TODO (2002-02-17)
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- all frontends: support depths > 8 bits/channel
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******** todo ********
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- net: don't just ignore the byte-order for the image data (needed to
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backends
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--------
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* Add new backends (?)
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- hp4200 http://hp4200-backend.sourceforge.net/
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- v4l2 http://video.inodes.org/sane-v4l2/
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- Relisys Scorpio Super 3 SCSI II
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Mark Plowman <sane-devel@plowman.xs4all.nl>
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http://www.xs4all.nl/~plowman/
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- Linux Handscanner Ioctl Interface scanner by Harald
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Bauer <bauer-h@web.de>
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- viceo (Visioneer OneTouch 8600)
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http://www.littlecms.com/iphoto/otlinux.htm
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- Genius Vivid Pro USB, Colorado USB 19200, Visioneer OneTouch 7600
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IBM IdeaScan 2000 USB
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http://homepages.paradise.net.nz/stevenel/scanner/
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- Fujitsu M3091DCd support
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Frederik Ramm <frederik@remote.org>
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http://www.remote.org/frederik/projects/software/sane/
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- Canon FB620S flatbed scanner and FS2710 film scanner
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ftp://stthd0.pc.uni-koeln.de/pub/canon-1.08.tar.gz
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Ulrich Deiters <ukd@xenon.pc.Uni-Koeln.DE>
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- Hewlett-Packard ScanJet 3300C / 3400C and 4300C (wip)
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http://sourceforge.net/projects/hp3300backend
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* Update backends
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- Combine all the Fujitsu backends into one single backend
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* All backends should check for TL_X < BR_X and TL_Y < BR_Y to
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avoid segfaults or even scanner damage. This should NOT be done
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in sane_control_option, it should be possible to temporary set
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TL_X > BR_X or TL_ > BR, otherwise it is hard for a frontend to
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set the correct values.
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* Use DBG(...) instead of fprintf(stderr, ...) or printf
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- microtek
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* qcam:
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- implement auto mode for brightness and black-level (don't
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just advertise it!) Actually, implement an auto "backend" instead
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that can be plugged in front of any backend with brightness/contrast
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etc controls
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- figure out how/if to support bulb mode
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- convert to use sanei_pio functions instead of direct port
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access.
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- The result of locking isn't checked --> does it make sense at all?
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* dll: Rewrite to use libtool ltdl library
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* dc210, dc240, gphoto2, and jpeg stuff: move sanei_* functions to sanei/
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(if they are necessary).
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* v4l: Problems (crash) with more than one video card. It looks like
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the two different cards are identified as the same card.
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* Fix backends where sane_exit() does not release memory allocated by
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sane_get_devices().
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- abaton
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- agfafocus
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- apple
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- as6e
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- avision
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- bh
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- canon
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- coolscan
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- dmc
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- m3096
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- microtek
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- qcam
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- ricoh
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- s9036
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- sharp
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- sp15c
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- tamarack
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- etc?
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* as6e: attach: memory (dev + dev-sane.name) isn't freed if driver isn't
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found.
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* avision: line 1393: word isn't freed sometimes (maybe if cp == line?)
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* net: add IPv6 support.
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* Fix warnings about DBG calls:
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- avision
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- m3096g
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- plustek
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- sm3600
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- umax
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- umax1220u
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- v4l
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doc
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---
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* Add doxygen documentation for the remaining sanei files:
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- sanei_pa4s2.h
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- sanei_pio.h
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- sanei_pv8630.h
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- sanei_scsi.h
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- sanei_wire.h
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* sane.tex: Define the return values for sane_init? Define the
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consequences if sane_init doesn't return SANE_STATUS_GOOD.
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* sane.tex: Add a warning/explanation about problems with
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sane_get_select_fd, Unix select() calls and sane_cancel.
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* sane.tex: Add new sane.type = "film scanner". Check the other well known
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strings for completeness.
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* sane-backends.html should state more clearly which backends are included
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in the distribution.
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frontends
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---------
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* saned:
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- saned times out after 60 minutes. Check if the
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watchdog timer is really necessary (e.g. to avoid blocking scanners
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by one user). Maybe add a command line option to saned to set the
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timeout. Otherwise turn on TCP keep alive (where available) and
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(maybe) check the connection from server side.
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- Add IPv6 support.
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* scanimage: Add i18n (NLS) support?
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[the remaining entries have been moved to the sane-frontends package]
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sanei
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-----
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* sanei_scsi: Think about a completely new interface. Details are in
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http://www.mostang.com/pipermail/sane-devel/2002-January/001995.html .
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* create sanei_parport_* and remove all inb, outb,... from all backends;
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use libieee1284 if available (see
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http://people.redhat.com/twaugh/libieee1284/). Or just include this
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library into sane.
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* Check if the device file has the right type before accessing it. E.g.
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check for major/minor numbers to avoid accessing a USB file as SCSI
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device. This is finished for sanei_scsi.c/Linux. Patches for other
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platforms are welcome.
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platform-specific
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-----------------
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* Keep config.guess and config.sub up-to-date.
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* SCSI access doesn't seem to work on Linux/Sparc. See emails from
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Tomislav Renic on sane-devel (2001-09-21).
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* Really fix all the parport/inb/outb compilation issues which break
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porting to some non-i386 platforms.
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* Add AC_OBJEXT and AC_EXEEXT to configure.in for automatically adding
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the correct extensions (e.g. for OS/2). Also update the Makefiles
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accordingly.
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* Add support for semaphores also for OS/2 (currently used in snapscan).
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* Fix shared lib problem with NetBSD. Starting scanimage results in:
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"Cannot open "../backend/.libs/libsane.so". However, scanadf works.
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* Check if a new version of libtool can fix the above mentioned issues.
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misc
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----
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* sane-config: add options "--exec-prefix=...." and "--prefix=..."
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compareable to gtk-config
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* Check include/sane/config.h.in for unnecessary macros.
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* Add configure option to enable only the net backend for users without
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local scanners. Install only sane-dll/sane-net (or even only sane-net).
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Maybe something like --network-client-only or --disable-local-devices.
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* Make output of sane-find-scanner more flexible. See scanimage -f for
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details.
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******** done ********
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* make distclean should remove *.orig, *.old, .#*, *.tar.gz, and similar
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files.
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* Shared libs work with OpenBSD. However, they are named libsane.so.1.6
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instead of 1.0.6. Is this correct?
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* #include "../include/sane/config.h" should be the first include in every
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file (see doc/sane-backend-writing.txt for the lalloca exception):
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* Don't use -ansi for HPUX (see sane-devel).
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* Don't use exit() in backends.
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* sanei_scsi: Check return values of req_wait and cmd in case of
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SCSI DEVICE BUSY. Better specification of the behaviour of sanei_scsi
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functions (e.g. return values, timeout 10 min versus 1 min)?
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* Documentation for sanei API
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* Fix missing or wrong links to backend homepages (*.desc). If a homepage
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doesn't exist, add a contact address (where available).
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* Check all backends which use fork/kill for the kill (-1,...) bug
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first found in the microtek2 backend.
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* Add support for qt NLS (msg2qm) if possible without too much hassle.
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* Add new backend primax http://primax.sourceforge.net/ (won't be ever a
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real sane backend)
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* qcam: Check file handling in /tmp.
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* Add a check in the frontends if the backend delivers more data than
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it announced by sane_get_parameters to avoid segfaults with bad
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|
backends?
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* Add installation procedure for translations of SANE backend's options.
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* check memory leaks (checked with purify and mtrace (from glibc)):
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* Test SANE on different os/platforms, fix possible compilation problems
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Test methods: scanimage -d pnm:0 --filename=file.pnm -T
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scanimage -d net:localhost:pnm:0 --filename=file.pnm -T
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|
(start saned by inetd or saned -d before testing)
|
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xscanimage / gimp with xscanimage plugin (where available)
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All the above with shared and static libraries.->backend-writing.txt
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* Remove compiler warnings (>300 warnings even in disable-warnings mode,
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>700 with --enable-warnings)) ->backend-writing.txt
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* Use #include "../include/sane/..." instead of #include <sane...>
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->backend-writing.txt
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* Use #include "../include/lalloca.h" instead of #include <lalloca.h>
|
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->backend-writing.txt
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* Update backend manpages (->backend-writing.txt).
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* Add description of --enable-parport-directio.
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|
* saned: Add documentation about the data connection.
|
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|
* UMAX Astra 1220U backend
|
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|
http://umax1220u-sane.sourceforge.net/
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* There seems to be yet another race condition or other source for
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|
freezes in saned or net. Wheile scanning with pnm and auth, scanimage
|
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|
freezes. Last message from saned: "process_request: got request 2".
|
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* Split configure option --enable-directio into --enable-scsi-directio and
|
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|
--enable-parport-directio to avoid confusion. Also add appropriate
|
||||||
|
documentation.
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||||||
|
* sanei_usb: Add sanei_usb_control_msg.
|
||||||
|
* Add support for PV8630 USB chipset (as sanei interface):
|
||||||
|
* Fix libsocket problem (OS/2). libsocket must be linked when testing for
|
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|
libsyslog.
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|
* Add bearpaw backend (Mustek BearPaw 1200 + maybe 2400)
|
||||||
|
(will be supported by plustek backend)
|
||||||
|
* Must -ldl be added to sane-config.in?
|
||||||
|
* Use @LIBDIR@, @CONFIGDIR@ and the other @@ macros to refer to paths.
|
||||||
|
These are updated when installing to a non-standard prefix.
|
||||||
|
* net: cancel doesn't work over the net at least with pnm and mustek.
|
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|
* add Jochen Eisinger's net.c and sanei_wire.c fixes/additions.
|
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|
* net.c: don't just ignore the byte-order for the image data (needed to
|
||||||
support depths > 8 bits/channel)
|
support depths > 8 bits/channel)
|
||||||
- mustek: for 3-pass scanners, it is said that xscanimage doesn't update
|
* saned seems to have problems checking the peer name of incoming
|
||||||
the scan progress bar properly between scans; it is said to stop at
|
connections. This happens at least with glibc 2.2.4 if the
|
||||||
90%, start the next pass, and once the next pass has started, it moves
|
name in saned.conf is not fully qualified. See sane-devel
|
||||||
on to 100% and the progress bar disappears at that point
|
"saned.conf hostname format".
|
||||||
- man pages for xcam, and the API functions
|
* If you mention sane-devel, also mention the website concerning
|
||||||
- xscanimage: provide both scale and textentry for ranges (make new widget)
|
subscription (http://www.mostang.com/sane/mail.html), because you can't
|
||||||
- xcam: provide access to option doc strings and allow disabling of
|
write to sane-devel without subscribing.
|
||||||
advanced options and tooltips
|
Or use your own mail address in the manual page.
|
||||||
- xscanimage: scanning of images whose heights is not known a priori is not
|
* Check for logical errors and spelling
|
||||||
supported yet; this is going to be important for handheld scanners
|
* Check .desc files:
|
||||||
- qcam: implement auto mode for brightness and black-level (don't
|
* Check for formatting bugs in manual pages:
|
||||||
just advertise it!) Actually, implement an auto "backend" instead
|
* Use #include "../include/assert.h" instead of #include <assert.h> to
|
||||||
that can be plugged in front of any backend with brightness/contrast
|
avoid problem with shared libraries on AIX.
|
||||||
etc controls
|
* scanimage: Maybe add ADF extensions from Caskey Dickson (or add them to
|
||||||
- qcam: figure out how/if to support bulb mode
|
scanadf if necessary).
|
||||||
- xcam: add dithering and support for SANE depths other than 8 bit (test
|
* Add Mustek USB backend (1200UB, 1200CU, 1200CU Plus)
|
||||||
with Mustek backend, for example)
|
http://www.meier-geinitz.de/sane/
|
||||||
- xcam: add recording feature (e.g., GIF, JPG, or MPEG)
|
Henning Meier-Geinitz <henning@meier-geinitz.de>
|
||||||
- dll: make it robust against against it being listed in the configuration
|
* Add USB support for sane-find-scanner.
|
||||||
|
* move .desc files for backends that are not included in SANE to
|
||||||
|
different directory (e.g. backends and external-backends)?
|
||||||
|
* create sanei_usb.* (maybe containing access for libusb and direct access
|
||||||
|
for usb device files)? (sane-1.0.6)
|
||||||
|
* Add sane-usb manpage
|
||||||
|
* Check net/saned
|
||||||
|
- sometimes saned+net freezes right after a scan (is this still
|
||||||
|
occuring 2001-06-04?)
|
||||||
|
* add warning when prefix dir is not listed in /etc/ld.so.conf on
|
||||||
|
linux systems may be there is a general way to test this if the
|
||||||
|
destination library directory is in the search path of the
|
||||||
|
linker. [The correct fix is to use -R (on Solaris) and -rpath
|
||||||
|
(on the rest?) to include the dynamic link path in the binaries
|
||||||
|
/ libraries. pere 2001-02-09 -- I believe this is partly fixed
|
||||||
|
in tools/sane-config.in 2001-05-18]
|
||||||
|
* Add links to sane(7) in all maual pages
|
||||||
|
* Check AIX/gcc shared lib loading problem: When starting scanimage,
|
||||||
|
only dll is loaded.
|
||||||
|
Backend libraries can't be loaded:
|
||||||
|
[dll] load: dlopen() failed (Symbol resolution failed for
|
||||||
|
/tmp/sane-bin/lib/sane/libsane-umax.so.1 because:
|
||||||
|
Symbol __eprintf (number 55) is not exported from dependent
|
||||||
|
module scanimage.
|
||||||
|
This happens in most libraries. The reason is assert() e.g. in
|
||||||
|
sanei_scsci.c. As assert() is in libgcc.a it can't be linked at runtime.
|
||||||
|
* Don't export any other symbols than sane_* and sanei_*
|
||||||
|
* nec:
|
||||||
|
- Remove references to sharp backend (grep for "JX").
|
||||||
|
- Check for HAVE_SYS_SHM_H before including sys/shm.h and
|
||||||
|
disable shared memory support if necessary.
|
||||||
|
* lines like "if (config_line[len - 1] == '\n')" can cause segfaults and
|
||||||
|
should be removed (removing "\n" is already done in sanei_config_read).
|
||||||
|
This ist just a fast grep. Check all backends!
|
||||||
|
* add additions/bug fixes to microtek2 from Karsten Festag
|
||||||
|
<karsten.festag@t-online.de> (partially done)
|
||||||
|
* include snapscan updates http://sourceforge.net/projects/snapscan
|
||||||
|
* as6e: change :new status to :alpha, :beta, or :stable.
|
||||||
|
* Check Tru64 Unix compilation problems with u_int* types. They are already
|
||||||
|
defined in sys/bitypes.h but this file isn't checked with AC_CHECK_TYPE.
|
||||||
|
(-> include sys/bitypes.h in these cases).
|
||||||
|
* Fix HP-UX problems in isfdtype.c (and maybe others). sys/stat.h doesn't
|
||||||
|
seem to define stuct stat (not a bug, make was used instead of gmake).
|
||||||
|
* Polaroid SprintScan 35 LE [should be included into microtek]
|
||||||
|
* Maybe add script to deinstall existing sane versions
|
||||||
|
- make uninstall
|
||||||
|
- install sane-uninstall script. Advantage: uninstall possible
|
||||||
|
without sourcecode (I think that's not necessary because you usually
|
||||||
|
have the sourcecode of a newer version if you want to uninstall. hmg)
|
||||||
|
* Add sane manpage (this is work in progress: Henning Meier-Geinitz
|
||||||
|
<henning@meier-geinitz.de>)
|
||||||
|
- versioning system?
|
||||||
|
- SANE API (maybe summary only?)
|
||||||
|
- point to backends and other information?
|
||||||
|
* Add backend UMAX 1220P/2000P & HP 320C http://umax1220p.sourceforge.net
|
||||||
|
* install all documentation that's available
|
||||||
|
* Add a check for installed sane versions.
|
||||||
|
- Print a warning when already a sane version is installed
|
||||||
|
- If SANE is installed at a different location, ask user to
|
||||||
|
remove old installation first
|
||||||
|
* epson: backend tries to detect usb scanners by default. This breaks with
|
||||||
|
non-epson scanners like the LM9831 bases Mustek Bearpaw 1200. The epson
|
||||||
|
backend freezes if such a scanner is plugged in. Try to make the test safe
|
||||||
|
or don't test without user interaction.
|
||||||
|
* pnm: add more options for testing (e.g. arrays and read-only options)
|
||||||
|
* sanei_scsi.c: OS/2: struct param breaks compilation with --enable-warnings.
|
||||||
|
(probably fixed by testing for os2.h in configure).
|
||||||
|
* Check all manpages for references to find-scanner (->sane-find-scanner).
|
||||||
|
* net.c doesn't compile on Irix because socklen_t isn't known
|
||||||
|
* Add new backends: bh http://www.martoneconsulting.com/sane-bh.html
|
||||||
|
* Add manpage for find-scanner.
|
||||||
|
* Should find-scanner be installed?
|
||||||
|
* net backend segfaults sometimes when connected to localhost. Enabling
|
||||||
|
debug output sometimes prevents segfaults. Cause of the problem:
|
||||||
|
Copying SANE_TYPE_STRINGs up to their maximum size in
|
||||||
|
SANE_Option_Descriptor (strings may be shorter then size).
|
||||||
|
* Compilation of most backends break with OS/2 and gcc because the
|
||||||
|
option -ansi doesn't seem to like sigset_t ?
|
||||||
|
* Check for shm.h in configure
|
||||||
|
* Add a global PATH_MAX macro somewhere (config.h ?) if it's not defined
|
||||||
|
by the system.
|
||||||
|
* sanei_scsi.c: Add patch from FreeBSD ports (sanei_scsi_find_devices)
|
||||||
|
(after 1.0.4).
|
||||||
|
* update libtool versioning system
|
||||||
|
- in /usr/local/lib/libsane.la "installed=no" is set, isn't
|
||||||
|
"installed=yes" the correct entry?
|
||||||
|
* plustek-share.h: remove //
|
||||||
|
* as6e: Check result of stat for errors to avoid false recognitions of the
|
||||||
|
as6edriver.
|
||||||
|
* artec: O_SYNC is not Posix. Breaks compilation on FreeBSD and (maybe) OS/2.
|
||||||
|
* use strchr() instead of index() in mustek_pp to avoid problems when
|
||||||
|
icluding strings.h or string.h.
|
||||||
|
* Add test for PTAL to acinclude.m4/configure.in
|
||||||
|
* build on Irix fails because of problems with the jpeg library. If this
|
||||||
|
is removed in configure, build works. It complains about functions like
|
||||||
|
(typename) functionname (). It doesn't like the brackets which result
|
||||||
|
from expanding the macros EXTERN(x), METHODDEF(x), and GLOBAL(x) to
|
||||||
|
(x). Defining something like EXTERN(x) x seems to work. Same for dc210.c
|
||||||
|
Something like --disable-jpeg for configure would be nice.
|
||||||
|
* addition to hp backend (support for SCL-based HP OfficeJets)
|
||||||
|
http://hpoj.sourceforge.net
|
||||||
|
* Libtool:
|
||||||
|
- -version-info is used but with the current version number system
|
||||||
|
-release should be used. (We should not change the version syntax
|
||||||
|
within an existing sane-standard, so we leave this)
|
||||||
|
- look for AIX problems (overwriting shared libs with eachother
|
||||||
|
because all libs are named libsane.so.1) (solved)
|
||||||
|
- look for Irix/cc problems (program searches for libsane.so.2 instead
|
||||||
|
of libsane.so.1). (Patch works for existing sane standard)
|
||||||
|
* getopt.c and umax.c seem to use gettext? Can cause crash if frontends
|
||||||
|
are linked to libintl, too.
|
||||||
|
* libdl is used in dll backend but -ldl is not added to LDFLAGS?
|
||||||
|
* use strchr() instead of index() in sanei_auth, scanimage, saned
|
||||||
|
to avoid problems when icluding strings.h or string.h.
|
||||||
|
* Remove frontends (at least xscanimage/xcam) from distribution.
|
||||||
|
* build on AIX does only work for static libraries. The shared libraries
|
||||||
|
seem to overwrite each other.
|
||||||
|
* add sanei_authorize (function for all backends)
|
||||||
|
* make authorization_callback work in net-backend and saned. Try to
|
||||||
|
avoid plain text passwords?
|
||||||
|
* Add as6e http://as6edriver.sourceforge.net/
|
||||||
|
* stiff.c: Tiff header not written correctly: "Jaeger, Gerhard"
|
||||||
|
<gjaeger@sysgo.de> writes: When writing the TIFF header, you have to
|
||||||
|
specify the TAG "BitsPerSample", which tells a reader how many bits each
|
||||||
|
sample has. The current version only specifies one value (8 or 16). This
|
||||||
|
is wrong, as we have to specify one value for each channel (i.e for a
|
||||||
|
24bit RGB pic we must specify 8,8,8, see TIFF6.0 spec, [...]
|
||||||
|
* don't install sanei_* headers
|
||||||
|
* Add sane-pie (Pacific Image Electronics series of ScanAce SCSI scanners, and
|
||||||
|
the Devcom 9636/9630 BlackWidow) http://www.munton.demon.co.uk/sane
|
||||||
|
* configure --without-x doesn't work (doesn't matter when frontends
|
||||||
|
are removed from package)
|
||||||
|
* Create new package for frontends.
|
||||||
|
* 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)
|
file (currently bad things will happen if dll attempts to load itself)
|
||||||
- PREVIEW: maybe there should be an option to limit the preview
|
* 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
|
scan to the selected area? YES => this will also make it easier
|
||||||
to avoid the scan area selection to get confused when the user
|
to avoid the scan area selection to get confused when the user
|
||||||
resizes the preview area in a way that changes the aspect ratio;
|
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
|
in essence we want to allow for the preview-image to be a subregion
|
||||||
of the preview-window
|
of the preview-window (done in xsane)
|
||||||
|
+ xcam: allow disabling of advanced options and tooltips
|
||||||
+++++ done:
|
+ man page for xcam
|
||||||
|
+ scanimage: support depths > 8 bits/channel
|
||||||
+ upgrade to GTK 1.2 (but stay backwards compatible to 1.0 if possible)
|
+ upgrade to GTK 1.2 (but stay backwards compatible to 1.0 if possible)
|
||||||
+ saned: check_host() consider using strncasecmp()
|
+ saned: check_host() consider using strncasecmp()
|
||||||
+ GTK: changing the length unit causes dirty pixels in the unit-labels
|
+ GTK: changing the length unit causes dirty pixels in the unit-labels
|
||||||
|
|
|
||||||
Ładowanie…
Reference in New Issue