# Patch for sane.tex (image polarity)

From: Henning Meier-Geinitz (hmg-ml@gmx.de)
Date: Sat Sep 30 2000 - 08:13:15 PDT

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  Hi,

  this is a patch against current CVS to document the image polarity issue.
  It's based on the wording used by David Paschal. Comments?

  Bye,
  Henning

  Index: doc/sane.tex
  ===================================================================
  RCS file: /cvsroot/external/sane/doc/sane.tex,v
  retrieving revision 1.3
  diff -u -r1.3 sane.tex
  --- sane.tex 2000/08/20 14:32:17 1.3
  +++ sane.tex 2000/09/30 15:12:07
  @@ -14,7 +14,7 @@
  \title{\huge SANE Standard Version 1.01}
  \author{}
  -\date{July 31, 2000}
  +\date{September 30, 2000}
  \makeindex
  @@ -242,6 +242,9 @@
  natural bit depth is something else, it is up to the driver to scale
  the sample values appropriately (e.g., a 4 bit sample could be scaled
  by a factor of four to represent a sample value of depth 8).
  +
  +For 1-bit depths, a value of 0 means white and 1 means black. For all
  +other bit depths, larger values mean more red, green, blue, or white.
  \subsection{Image Transmission}

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