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Added explanation of bit order for 1 bit modes. Added comment about 1 bit 

color modes. Fixed missing \code command. New version: 1.03.
DEVEL_2_0_BRANCH-1
Henning Geinitz 2002-10-01 15:53:02 +00:00
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@ -12,9 +12,9 @@
\setlength{\marginparsep}{0pt} \setlength{\marginparsep}{0pt}
\addtolength{\topmargin}{-0.75in} \addtolength{\topmargin}{-0.75in}
\title{\huge SANE Standard Version 1.02} \title{\huge SANE Standard Version 1.03}
\author{} \author{}
\date{March 8, 2002} \date{2002-10-01}
\makeindex \makeindex
@ -259,7 +259,8 @@ may contain 8 sample values (for an image bit depth of 1), one full
sample value (for an image bit depth of 8), or a partial sample value sample value (for an image bit depth of 8), or a partial sample value
(for an image bit depth of 16 or bigger). In the latter case, the (for an image bit depth of 16 or bigger). In the latter case, the
bytes of each sample value are transmitted in the machine's native bytes of each sample value are transmitted in the machine's native
byte order. byte order. For depth 1, the leftmost pixel is stored in the most
significant bit, and the rightmost pixel in the least significant bit.
\begin{quote} \begin{quote}
\begin{center} \begin{center}
{\bf Backend Implementation Note} {\bf Backend Implementation Note}
@ -347,12 +348,15 @@ frame types:
\end{description} \end{description}
\end{quote} \end{quote}
In frames of type SANE\_FRAME\_GRAY, when the bit depth is 1 there are In frames of type \code{SANE\_FRAME\_GRAY}, when the bit depth is 1 there are
only two sample values possible, 1 represents minimum intensity only two sample values possible, 1 represents minimum intensity
(black) and 0 represents maximum intensity (white). For all other bit (black) and 0 represents maximum intensity (white). For all other bit
depth and frame type combinations, a sample value of 0 represents depth and frame type combinations, a sample value of 0 represents
minimum intensity and larger values represent increasing intensity. minimum intensity and larger values represent increasing intensity.
The combination of bit depth 1 and \code{SANE\_FRAME\_RGB} (or
\code{SANE\_FRAME\_RED}, \code{SANE\_FRAME\_GREEN}, \code{SANE\_FRAME\_BLUE})
is rarely used and may not be supported by every frontend.
\chapter{The SANE Application Programmer Interface (API)}\label{chap:api} \chapter{The SANE Application Programmer Interface (API)}\label{chap:api}