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<TITLE>sane-devel: Re: quick note from the TWAIN/SANE meeting at OLS</TITLE>
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<META NAME="Author" CONTENT="Oliver Rauch (oliver.rauch@Wolfsburg.DE)">
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<META NAME="Subject" CONTENT="Re: quick note from the TWAIN/SANE meeting at OLS">
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<H1>Re: quick note from the TWAIN/SANE meeting at OLS</H1>
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<!-- name="Oliver Rauch" -->
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<!-- subject="Re: quick note from the TWAIN/SANE meeting at OLS" -->
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<!-- id="398A8636.26105991@wolfsburg.de" -->
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<!-- inreplyto="200008010532.WAA13489@panda.mostang.com" -->
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<STRONG>From:</STRONG> Oliver Rauch (<A HREF="mailto:oliver.rauch@Wolfsburg.DE?Subject=Re:%20quick%20note%20from%20the%20TWAIN/SANE%20meeting%20at%20OLS&In-Reply-To=<398A8636.26105991@wolfsburg.de>"><EM>oliver.rauch@Wolfsburg.DE</EM></A>)<BR>
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<STRONG>Date:</STRONG> Fri Aug 04 2000 - 02:00:39 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0042.html">Oliver Rauch: "Re: Code freeze for 1.0.3"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0040.html">Oliver Rauch: "Re: Code freeze for 1.0.3"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0047.html">David Mosberger-Tang: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0047.html">David Mosberger-Tang: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<HR NOSHADE><P>
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<P>
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Hi David,
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<P>at first let me say thanks that you found the time for the meeting with the
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<BR>
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TWAIN people and for representing the SANE project.
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<BR>
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<P><P><P><EM>> ---there will need
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</EM><BR>
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<EM>> to be one GUI frontend for each major toolkit in use (Motif, GTK, Qt,
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</EM><BR>
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<EM>> Win32 come to mind). If TWAIN-on-SANE is done properly, it should be
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</EM><BR>
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<EM>> possible to "plug in" a different GUI frontend relatively easily
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</EM><BR>
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<EM>> (perhaps not on the fly, but at least through simple recompilation).
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</EM><BR>
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<P>I agree. I don`t see any problems if we have a gtk, a qt, a motif ---
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<BR>
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or should be we better talk about windows systems: a X11, a WIN32, a GGI
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<BR>
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and a text based frontend.
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<BR>
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<P>A lot can be covered by qt and gtk wich run on X11 and WIN32.
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<BR>
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<P>Like xsane already shows it is no great problem to port a frontend
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<BR>
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written for unix/X11+gtk to run on Windows+gtk.
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<BR>
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<P><P><EM>> Mark and Jon offered to start working on a prototype for
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</EM><BR>
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<EM>> TWAIN-on-SANE. I offered them help with constructing a GUI builder
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</EM><BR>
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<EM>> based on our existing GTK frontends (probably xsane).
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</EM><BR>
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<P>The main problem is - I think - the definition of the inter-process-comunication
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<BR>
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between the application and the sane-frontend.
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<BR>
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<P>Did you discuss that, were there any suggestions?
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<BR>
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<P><P><EM>> Also, Mark and Jon said that the scanner vendors really like to be
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</EM><BR>
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<EM>> able to customize the look of the scanner GUI.
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</EM><BR>
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<P>I think in the moment each scanner vendor does write it's own GUI.
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<BR>
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So if they want to have a totally different look they are free to write
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<BR>
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their own GUI.
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<BR>
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<P><P><EM>> Slightly fancier would be to have a simple language that
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</EM><BR>
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<EM>> would control how and where each SANE option gets laid out in the
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</EM><BR>
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<EM>> device dialog. Of course, a driver vendor could also feel free to
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</EM><BR>
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<EM>> implement a GUI from scratch if they want full customization, but that
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</EM><BR>
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<EM>> would be a fair amount of work. I think some level of scriptability
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</EM><BR>
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<EM>> would provide a very good tradeoff between custom look and a uniform
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</EM><BR>
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<EM>> user experience.
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</EM><BR>
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<P>It should be simple to change the gtk-style-settings in dependance of the backend.
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<BR>
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(and to add a logo).
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<BR>
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We also could add an info field (sane2.0) to the options that gives the backend the
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<BR>
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chance to e.g. requests that a range is displayed as slider or text-entry-field, ...
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<BR>
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but already this can make it hard for the frontend to create a good looking outfit.
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<BR>
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<P>Bye
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<BR>
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Oliver
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<BR>
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<P><PRE>
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--
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Homepage: <A HREF="http://www.wolfsburg.de/~rauch">http://www.wolfsburg.de/~rauch</A>
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sane-umax: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-umax.html">http://www.wolfsburg.de/~rauch/sane/sane-umax.html</A>
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xsane: <A HREF="http://www.wolfsburg.de/~rauch/sane/sane-xsane.html">http://www.wolfsburg.de/~rauch/sane/sane-xsane.html</A>
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E-Mail: mailto:<A HREF="mailto:Oliver.Rauch@Wolfsburg.DE?Subject=Re:%20quick%20note%20from%20the%20TWAIN/SANE%20meeting%20at%20OLS&In-Reply-To=<398A8636.26105991@wolfsburg.de>">Oliver.Rauch@Wolfsburg.DE</A>
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<P><P><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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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0042.html">Oliver Rauch: "Re: Code freeze for 1.0.3"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0040.html">Oliver Rauch: "Re: Code freeze for 1.0.3"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0047.html">David Mosberger-Tang: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0047.html">David Mosberger-Tang: "Re: quick note from the TWAIN/SANE meeting at OLS"</A>
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<SMALL>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Fri Aug 04 2000 - 02:01:53 PDT</EM>
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