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<title>sane-devel: Re: SANE V2</title>
<h1>Re: SANE V2</h1>
<b>Stephen Williams</b> (<a href="mailto:steve@icarus.com"><i>steve@icarus.com</i></a>)<br>
<i>Mon, 16 Aug 1999 08:47:55 -0700</i>
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<a href="mailto:becka@rz.uni-duesseldorf.de">becka@rz.uni-duesseldorf.de</a> said:<br>
<i>&gt; O.K. - if it really really really pleases all people here, we can add</i><br>
<i>&gt; that types. But as said, I am afraid of opening a neverending growth</i><br>
<i>&gt; of the frame types, which is very bad regarding compatibility and</i><br>
<i>&gt; cannot be easily extended by just editing a textfile or something.</i><br>
<p>
I made a proposal to handle compatibility, to wit:<br>
<p>
<p>
<a href="mailto:steve@icarus.com">steve@icarus.com</a> said:<br>
<i>&gt; Anyhow, to summarize. If we simply add new frame formats and define</i><br>
<i>&gt; them as advanced or optional, drivers will be expected to support the</i><br>
<i>&gt; existing formats as defaults. This will allow old applications to</i><br>
<i>&gt; work. Add wording to the standard something like: </i><br>
<p>
"All SANE drivers must support at least one of SANE_FRAME_GRAY<br>
and SANE_FRAME_RGB. All SANE applications must support *both*<br>
SANE_FRAME_GRAY *and* SANE_FRAME_RGB. The driver must provide<br>
data in one of these standard formats unless requested otherwise<br>
by manipulation of its "format" option."<br>
<p>
<a href="mailto:steve@icarus.com">steve@icarus.com</a> said:<br>
<i>&gt; should protect most existing applications. </i><br>
<p>
IMPORTANT POINT:<br>
** Once the well-known format option is added, new "advanced" frame formats<br>
** can be added liberally without ever again breaking compatibility.<br>
<p>
<pre>
--
Steve Williams "The woods are lovely, dark and deep.
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<li> <b>Next message:</b> <a href="0196.html">Petter Reinholdtsen: "Re: SANE 1.0.1 under DEC UNIX 4.0"</a>
<li> <b>Previous message:</b> <a href="0194.html">becka@rz.uni-duesseldorf.de: "Re: SANE V2"</a>
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<li> <b>Next in thread:</b> <a href="0218.html">Andreas Beck: "Re: SANE V2"</a>
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