Except the <a href="http://www.libtiff.org/build.html#Other">libtiff documentation</a> which mentions it, it is difficult to find some more information about this tif_fax3sm.c (which for sure contains <font face="Arial, Helvetica, Sans">the state tables for the <a href="http://netghost.narod.ru/gff/graphics/book/ch09_05.htm">Group 3 and Group 4 decoders</a>. They are used to decode legacy 1bit FAX images - I guess few of them are used in production during BlueGene runs ;) )</font>.<br>
<br>However, I do not see any platform specific code in mkg3states.c, the code which generates the tif_fax3sm.c file, just some options to format the table C declaration to avoid certainly old issues with MS CL...<br>Moreover, the values of the tables in the pre-generated files tif_fax3sm.c (for unix*) & fax3sm_winnt.c (for non unix targets) are the same, the only difference is that the second file include "tiffconf.h" which apply some compiler pragma to avoid useless warnings...<br>
<br>Joachim<br><br><div class="gmail_quote">2012/10/18 Pat Marion <span dir="ltr"><<a href="mailto:pat.marion@kitware.com" target="_blank">pat.marion@kitware.com</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
VTK contains a cmakified libtiff in ThirdParty/tiff/vtktiff. At configure time, cmake generates a file named tif_fax3sm.c in the build dir. See ThirdParty/tiff/vtktiff/CMakeLists.txt. But, tif_fax3sm.c already exists in the vtktiff source directory, and on my machine the generated file is identical to the existing version in the source dir. Does anyone know what this file is, and whether or not the code generation step is required? Why not use tif_fax3sm.c from the source directory?<span class="HOEnZb"><font color="#888888"><br>
<br>Pat<br>
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