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4.3 KiB
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105 wiersze
4.3 KiB
HTML
<!-- received="Thu Jun 11 07:54:25 1998 PDT" -->
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<!-- sent="Thu, 11 Jun 1998 16:20:43 +0200" -->
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<!-- name="erikyyy@studbox.uni-stuttgart.de" -->
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<!-- subject="Casio Digital Cameras (all types)" -->
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<title>sane-devel: Casio Digital Cameras (all types)</title>
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<h1>Casio Digital Cameras (all types)</h1>
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<a href="mailto:erikyyy@studbox.uni-stuttgart.de"><i>erikyyy@studbox.uni-stuttgart.de</i></a><br>
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<i>Thu, 11 Jun 1998 16:20:43 +0200</i>
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<p>
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<ul>
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<li> <b>Messages sorted by:</b> <a href="date.html#89">[ date ]</a><a href="index.html#89">[ thread ]</a><a href="subject.html#89">[ subject ]</a><a href="author.html#89">[ author ]</a>
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<li> <b>Next message:</b> <a href="0090.html">Ted Slusser: "Fujitsu Scanners"</a>
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<li> <b>Previous message:</b> <a href="0088.html">Tristan Tarrant: "Re: os/2 and Parallel scanners"</a>
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</ul>
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someone of you told me URLs about the CASIO cameras.<br>
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<p>
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i downloaded the programs, and they work.<br>
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<p>
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of course a SANE driver would be better.<br>
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<p>
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i'll tell, what the differences between Casio Cameras and normal<br>
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scanners are, and other interesting things:<br>
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<p>
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<p>
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- previews can be downloaded from the cam. (goes faster)<br>
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- 115200 baud is best, but setserial needs to be called.<br>
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this should be included in the code !<br>
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you have to tell the camera, which speed you want.<br>
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- camera is connected to RS232.<br>
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- no timing problems<br>
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- camera stores several pictures. (may be very many, depending on camera<br>
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type)<br>
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- camera supports 2 formats. (high and low quality)<br>
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- camera stores pictures in JPEG !!!!!<br>
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- camera sends pictures in JPEG !!!!!<br>
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- need to convert JPEG to pnm in order to work with sane.<br>
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- converting from jpeg to pnm only to compress the picture after scannign<br>
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it, with a JPEG compressor may be quality reducing.<br>
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- you cannot just say "SCAN". you must instead choose, WHAT you scan :-)<br>
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- SCAN is not the right word. remember, you can even tell the camera<br>
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to shoot a picture via RS232, so SCAN mustn't be used for downloading,<br>
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but shooting new pictures.<br>
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- this leads to problems. should the number of the picture to scan be<br>
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a device parameter or what ?<br>
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- software can tell camera, wich picture to show on cameras LCD display.<br>
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<p>
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so there are various ways to develop program for camera.<br>
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<p>
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nice idea would be to download ALL thumbnail pictures, display them,<br>
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tag some, and start transfer afterwards.<br>
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(does this fit into SANE's way of doing things ?)<br>
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<p>
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the preview _window_ is not really useful ?<br>
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<p>
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perhaps for a first version it would be enough to choose the picture number<br>
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the way you choose the brightness of a quickcam. then you do<br>
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"Acquire Preview" and get the thumbnail image.<br>
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"Scan" Downloads the full image.<br>
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<p>
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<p>
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unfortunately i am out of time, and i am no good in GTK prorgamming<br>
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<p>
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<p>
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the cameras in question are all casio digital cameras !<br>
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the driver already exists, and it works !<br>
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(but it is not SANE compatible)<br>
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<p>
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<p>
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remember: casio cameras are MANY :-) and i like them.<br>
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<p>
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byebye<br>
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Erik<br>
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<p>
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<p>
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<pre>
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--
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EMAIL: <a href="mailto:erikyyy@studbox.uni-stuttgart.de">erikyyy@studbox.uni-stuttgart.de</a> \\\\
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<a href="mailto:thieleek@tick.informatik.uni-stuttgart.de">thieleek@tick.informatik.uni-stuttgart.de</a> o `QQ'_
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IRC: erikyyy / __8
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WWW: <a href="http://wwwcip.rus.uni-stuttgart.de/~inf24628/">http://wwwcip.rus.uni-stuttgart.de/~inf24628/</a> ' `
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<a href="http://tick.informatik.uni-stuttgart.de/~thieleek/">http://tick.informatik.uni-stuttgart.de/~thieleek/</a>
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<p>
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<p>
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<pre>
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--
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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">majordomo@mostang.com</a>
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</pre>
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<!-- body="end" -->
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<p>
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<ul>
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<!-- next="start" -->
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<li> <b>Next message:</b> <a href="0090.html">Ted Slusser: "Fujitsu Scanners"</a>
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<li> <b>Previous message:</b> <a href="0088.html">Tristan Tarrant: "Re: os/2 and Parallel scanners"</a>
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<!-- nextthread="start" -->
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<!-- reply="end" -->
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</ul>
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