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<TITLE>sane-devel: TODO list</TITLE>
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<META NAME="Author" CONTENT="Henning Meier-Geinitz (hmg-ml@gmx.de)">
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<H1>TODO list</H1>
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<!-- received="Sat Nov 18 01:24:37 2000" -->
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<!-- isoreceived="20001118092437" -->
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<!-- sent="Fri, 17 Nov 2000 20:48:31 +0100" -->
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<!-- isosent="20001117194831" -->
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<!-- name="Henning Meier-Geinitz" -->
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<!-- email="hmg-ml@gmx.de" -->
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<!-- subject="TODO list" -->
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<!-- id="20001117204831.B23672@vortex.swb.de" -->
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<STRONG>From:</STRONG> Henning Meier-Geinitz (<A HREF="mailto:hmg-ml@gmx.de?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>"><EM>hmg-ml@gmx.de</EM></A>)<BR>
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<STRONG>Date:</STRONG> Fri Nov 17 2000 - 11:48:31 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0228.html">Marcel Pol: "RE: Linux Support for Current Microtek Scanners"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0226.html">kwlee: "Re: Linux Support for Current Microtek Scanners"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0230.html">Jochen Eisinger: "Re: TODO list"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0230.html">Jochen Eisinger: "Re: TODO list"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0252.html">Peter Kirchgessner: "Re: TODO list"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0302.html">Karsten Festag: "Re: TODO list"</A>
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<P>
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Hi,
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<BR>
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<P>this is a new version of the TODO lists (sane-backends and
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<BR>
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sane-frontends).
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<BR>
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<P>Feature freeze was supposed to be in the next few days. I propose
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<BR>
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2000-11-27, so we have two more weekends.
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<BR>
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<P>One of the bigger things remaining is to remove all the things
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<BR>
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concerning xcam and xscanimage from the sane-backends package now that
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<BR>
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sane-frontends is running.
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<BR>
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<P>What about the patches for saned/net/authentification? Are they
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<BR>
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supposed to go into 1.0.4?
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<BR>
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<P>What about the snapscan changes/additions? Should this be included
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<BR>
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into 1.0.4? At least we should add a link to the sourceforge website
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<BR>
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somwhere (PROJECTS and manpage?).
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<BR>
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<P>Any other bigger changes to go into 1.0.4?
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<BR>
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<P>What will be the name for the package containing the drivers: juste
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<BR>
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sane or sane-backends?
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<BR>
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<P>********************************* For the backends package: *************
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<BR>
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<P>TODO (2000-11-15)
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<BR>
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<P>******** todo ********
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<BR>
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<P>backends
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<BR>
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--------
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<BR>
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* add new backends (?)
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<BR>
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- as6e <A HREF="http://as6edriver.sourceforge.net/">http://as6edriver.sourceforge.net/</A>
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<BR>
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- bh <A HREF="http://www.martoneconsulting.com/sane-bh.html">http://www.martoneconsulting.com/sane-bh.html</A>
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<BR>
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- Polaroid SprintScan 35 LE [should be included into microtek]
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<BR>
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Dick Bruijn <<A HREF="mailto:dick@wau.mis.ah.nl?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>">dick@wau.mis.ah.nl</A>>
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<BR>
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- primax <A HREF="http://primax.sourceforge.net/">http://primax.sourceforge.net/</A>
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<BR>
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- hp4200 <A HREF="http://hp4200-backend.sourceforge.net/">http://hp4200-backend.sourceforge.net/</A>
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<BR>
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- v4l2 <A HREF="http://video.inodes.org/sane-v4l2/">http://video.inodes.org/sane-v4l2/</A>
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<BR>
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- Relisys Scorpio Super 3 SCSI II
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<BR>
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Mark Plowman <<A HREF="mailto:mplowman@wxs.nl?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>">mplowman@wxs.nl</A>>
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<BR>
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- Linux Handscanner Ioctl Interface scanner by Harald
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<BR>
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Bauer <<A HREF="mailto:hbauer@online.de?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>">hbauer@online.de</A>>
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<BR>
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- viceo (Visioneer OneTouch 8600)
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<BR>
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<A HREF="http://www.abaforum.es/martim/bird/otlinux.htm">http://www.abaforum.es/martim/bird/otlinux.htm</A>
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<BR>
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- addition to hp backend (support for SCL-based HP OfficeJets)
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<BR>
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<A HREF="http://hpoj.sourceforge.net">http://hpoj.sourceforge.net</A>
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<BR>
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- add additions/bug fixes to microtek2 from Karsten Festag
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<BR>
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<<A HREF="mailto:karsten.festag@t-online.de?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>">karsten.festag@t-online.de</A>>
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<BR>
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<P> * use DBG(...) instead of fprintf(stderr, ...)
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<BR>
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- microtek
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<BR>
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- microtek2
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<BR>
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<P> * make authorization_callback work in net-backend and saned. Try to
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<BR>
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avoid plain text passwords?
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<BR>
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<P> * check net/saned
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<BR>
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- net backend segfaults if saned isn't started (or timed out)
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<BR>
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- don't just ignore the byte-order for the image data (needed to
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<BR>
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support depths > 8 bits/channel)
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<BR>
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<P> * qcam: implement auto mode for brightness and black-level (don't
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<BR>
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just advertise it!) Actually, implement an auto "backend" instead
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<BR>
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that can be plugged in front of any backend with brightness/contrast
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<BR>
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etc controls
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<BR>
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<BR>
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* qcam: figure out how/if to support bulb mode
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<BR>
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<P> * qcam: convert to use sanei_pio functions instead of direct port
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<BR>
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access.
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<BR>
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<BR>
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* pnm: add more options for testing (e.g. arrays and read-only options)
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<BR>
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<P> * artec: O_SYNC is not Posix? Problems with porting to OS/2?
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<BR>
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<P>doc
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<BR>
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<PRE>
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---
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* add sane manpage
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- versioning system
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- SANE API (maybe summary only?)
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- point to backends and other information?
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<P> * add sane-usb manpage
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<P> * Documentation for sanei API
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- any ideas for this?
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<P>frontends
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---------
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* Remove frontends (at least xscanimage/xcam) from distribution.
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<P> * dll: Rewrite to use libtool ltdl library
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<P> * 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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<P> * stiff.c: Tiff header not written correctly: "Jaeger, Gerhard"
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<<A HREF="mailto:gjaeger@sysgo.de?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>">gjaeger@sysgo.de</A>> writes: When writing the TIFF header, you have to
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specify the TAG "BitsPerSample", which tells a reader how many bits each
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sample has. The current version only specifies one value (8 or 16). This
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is wrong, as we have to specify one value for each channel (i.e for a
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24bit RGB pic we must specify 8,8,8, see TIFF6.0 spec, [...]
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<P> [the remaining entries have been moved to the sane-frontends package]
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<P>sanei
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-----
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* add sanei_authorize (function for all backends)
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<P>misc
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----
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* update libtool versioning system
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- -version-info is used but with the current version number system
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-release should be used.
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- look for AIX problems (overwriting shared libs with eachother
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because all libs are named libsane.so.1)
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- look for Irix/cc problems (program searches for libsane.so.2 instead
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of libsane.so.1). This was fixed by a "bad hack" which should be
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reverted .
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- in /usr/local/lib/libsane.la "installed=no" is set, isn't
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"installed=yes" the correct entry?
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* remove compiler warnings (>400 warnings even in disable-warnings mode,
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>800 with --enable-warnings))
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<P> * 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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(not possible if I'm not root on the system)
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xscanimage / gimp with xscanimage plugin (where available)
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All the above with shared and static libraries.
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<P> * build on Irix fails because of problems with the jpeg library. If this
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is removed in configure, build works. It complains about functions like
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(typename) functionname (). It doesn't like the brackets which result
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from expanding the macros EXTERN(x), METHODDEF(x), and GLOBAL(x) to
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(x). Defining something like EXTERN(x) x seems to work. Same for dc210.c
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Something like --disable-jpeg for configure would be nice.
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<P> * build on AIX does only work for static libraries. The shared libraries
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seem to overwrite each other.
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<P> * move .desc files for backends that are not included in SANE to
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different directory (e.g. backends and external-backends)?
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<P> * Add a check for installed sane versions.
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- Print a warning when already a sane version is installed
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- If SANE is installed at a different location, ask user to
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remove old installation first
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<P> * Maybe add script to detect and deinstall existing sane versions
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- make uninstall
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- install sane-uninstall script. Advantage: uninstall possible
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without sourcecode
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<P> * use #include "../include/sane..." instead of #include <sane...>
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<P> * use #include "../include/lalloca.h" instead of #include <lalloca.h>
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<P> * getopt.c and umax.c seem to use gettext? Can cause crash if frontends
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are linked to libintl, too.
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<P> * libdl is used in dll backend but -ldl is not added to LDFLAGS?
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<P><P>********************************* For the frontends package: *************
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TODO (2000-11-16)
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<P>******** todo ********
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<P> * add new frondends (?)
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- scanadf
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<P> * add possibility to use external filters to xscanimage/xsane (?)
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<P> * xscanimage/xcam: support depths > 8 bits/channel
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<P> * xscanimage: provide both scale and textentry for ranges (make new widget)
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<P> * xcam: provide access to option doc strings
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<P> * xscanimage: scanning of images whose heights is not known a priori is not
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supported yet; this is going to be important for handheld scanners. At
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least the frontend shouldn't crash or produce invalid pnm files when
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it gets a length of -1.
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<P> * xcam: add dithering and support for SANE depths other than 8 bit (test
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with Mustek backend, for example)
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<P> * xcam: add recording feature (e.g., GIF, JPG, or MPEG)
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<P> * For 3-pass scanners, xscanimage doesn't update the scan progress
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bar properly between scans; the scanner seems to be faster than
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xscanimage can write to disk (problem: seek for every byte). This
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doesn't happen as GIMP-plugin. It doesn't happen in blocking mode
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either.
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<P> * 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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<P> * Adapt xscanimage to new GIMP API. Try to make it backwards compatible
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with old GIMP versions if possible. Maybe two source/header files
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for compatibility with old API?
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<P> * Test frontends on different os/platforms, fix possible compilation
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problems
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<P> * configure --without-x doesn't work
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<P> * xscanimage prints warning if compiled with GIMP supports but run
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standalone (at least with GIMP 1.1.29)
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* stiff.c: Tiff header not written correctly: "Jaeger, Gerhard"
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<<A HREF="mailto:gjaeger@sysgo.de?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>">gjaeger@sysgo.de</A>> writes: When writing the TIFF header, you have to
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specify the TAG "BitsPerSample", which tells a reader how many bits each
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sample has. The current version only specifies one value (8 or 16). This
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is wrong, as we have to specify one value for each channel (i.e for a
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24bit RGB pic we must specify 8,8,8, see TIFF6.0 spec, [...]
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<P> * Add support for SANE_DEFAULT_DEVICE to xcam (see (x)scanimage).
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<P> * Add/improve debug output for xscanimage and xcam.
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<P><P><P><P>Bye,
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Henning
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<P>--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20TODO%20list&In-Reply-To=<20001117204831.B23672@vortex.swb.de>">majordomo@mostang.com</A>
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</PRE>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0228.html">Marcel Pol: "RE: Linux Support for Current Microtek Scanners"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0226.html">kwlee: "Re: Linux Support for Current Microtek Scanners"</A>
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<!-- nextthread="start" -->
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0230.html">Jochen Eisinger: "Re: TODO list"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0230.html">Jochen Eisinger: "Re: TODO list"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0252.html">Peter Kirchgessner: "Re: TODO list"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0302.html">Karsten Festag: "Re: TODO list"</A>
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