[sane-devel] film scanner recommendation

2002-06-11 Thread Roland Roberts
> "Witold" == Witold Paluszynski writes: Witold> The resolution need not be much above 2000 dpi. The price Witold> however, is of concern, anything above $500 is out of Witold> question. If you find something which meets these constraints, please let everyone know. As someone w

[sane-devel] Epson 1650P in RH 7.3 How?

2002-05-10 Thread Roland Roberts
> "Karl" == Karl Heinz Kremer writes: Karl> You should be able to load the scanner module Karl> manually. Depending on which kernel RH 7.3 uses, you may Karl> have to provide parameters for the scanner module in Karl> /etc/modules.conf. Please see my web site at Karl> http

[sane-devel] Patch to scanimage.c for 16-bit PNM files (was: Epson 2450: scanimage produces invalid PNM files)

2002-04-15 Thread Roland Roberts
> "Henning" == Henning Meier-Geinitz writes: Henning> Thanks for the patch. It fixes some cases. However, you Henning> will get problems if the amount of data is odd or Henning> must_buffer == SANE_TRUE. I thought I had code in there for must_buffer, but you are definitelya corre

[sane-devel] Patch to scanimage.c for 16-bit PNM files (was: Epson 2450: scanimage produces invalid PNM files)

2002-04-14 Thread Roland Roberts
--=-=-= > "Oliver" == Oliver Rauch writes: Oliver> The pnm format has been extended in april 2000. Oliver> As far as I can see there are two interesting new things: Oliver> 1) 16 bit raw data Oliver> 2) more than one image in a pnm file Here is a patch against the source in

[sane-devel] Epson 2450: scanimage produces invalid PNM files

2002-04-13 Thread Roland Roberts
> "Oliver" == Oliver Rauch writes: Oliver> I did some test with 16 bit images and xv and Oliver> display/imagemagick. Oliver> 1) 16 ascii pnm images are displayed correct by xv, they Oliver>are black in display. The image contains values up to Oliver>6, so xv

[sane-devel] Epson 2450: scanimage produces invalid PNM files

2002-04-13 Thread Roland Roberts
Like Thomas Wenrich , I've seen problems with the header information specifying a larger file than what is actually returned. However, I've also found another problem. The Epson 2450 has a --depth 16 option to return 16-bits/color. The PPM or PGM files produced are byte-flipped, i.e., they are w