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Diffstat (limited to 'Doc/lib')
| -rw-r--r-- | Doc/lib/libimageop.tex | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/Doc/lib/libimageop.tex b/Doc/lib/libimageop.tex index 0f611e7..27ed056 100644 --- a/Doc/lib/libimageop.tex +++ b/Doc/lib/libimageop.tex @@ -86,3 +86,15 @@ Convert a 4-bit greyscale image to an 8-bit greyscale image. \begin{funcdesc}{grey22grey}{image, width, height} Convert a 2-bit greyscale image to an 8-bit greyscale image. \end{funcdesc} + +\begin{datadesc}{backward_compatible} +If set to 0, the functions in this module use a non-backward +compatible way of representing multi-byte pixels on little-endian +systems. The SGI for which this module was originally written is a +big-endian system, so setting this variable will have no effect. +However, the code wasn't originally intended to run on anything else, +so it made assumptions about byte order which are not universal. +Setting this variable to 0 will cause the byte order to be reversed on +little-endian systems, so that it then is the same as on big-endian +systems. +\end{datadesc} |