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−.. -*- coding: utf-8; -*-
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−
+
−===================
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− DJVU file format.
+
−===================
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−.. contents::
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−   :local:
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−
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−About djvu.
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−===========
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−
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−http://djvu.org/links/
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−  Many useful links.
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−
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−DJVU viewers.
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−=============
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−
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−* DjVuLibre (all OS).
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−* WinDjvu (Windows).
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−
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−DJVU Editors.
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−=============
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−
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−* DjVuLibre (all OS).
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−* DjVu Solo (Windows).
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−
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−DjVuLibre.
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−----------
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−
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−* A full set of utilities to manipulate and assemble DjVu images and documents.
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−* A set of decoders to convert DjVu to a number of other formats.
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−* A standalone DjVu viewer for Unix under X11 (based on the Qt library).
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−* A browser plugin that works with most Unix browsers
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−
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−See:
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−
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−* http://djvu.sourceforge.net/
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−
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−DjVu Solo.
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−----------
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−
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−Tool for editing and merge files and documents in DjVu format from LizardTech.
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−Currently not maintained.
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−
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−* http://www.djvu.org/resources/
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−
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−djvu to pdf.
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−============
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−
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−djvulibre::
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−
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−  $ ddjvu -format=tiff book.djvu book.tiff
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−  $ tiff2pdf -o book.pdf book.tiff
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−
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−or directly::
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−
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−  $ ddjvu -format=pdf book.djvu book.pdf
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−
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−PDF to Djvu.
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−============
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−
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−djvulibre.
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−----------
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−
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−For 'pdftoppm' install xpdf (both Linux and Cygwin)::
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−
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−  $ pdftoppm -mono -r 600 -aa yes  $PREFIX.pdf  $PREFIX
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−  $ for pbm in $PREFIX*.pbm; do  cjb2 -dpi $DPI $pbm $pbm.djvu;  rm -f $pbm;  done
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−
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−  $ djvm -c $OUTFILE  $PREFIX*.pbm.djvu
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−
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−pdf2djvu.
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−---------
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−::
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−
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−  $ pdf2djvu file.pdf
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−
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−http://code.google.com/p/pdf2djvu/
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−  Home page.
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−
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−JPEG to Djvu.
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−=============
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−
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−JPEG to high quolity DjVu (DjVuPhoto encode)::
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−
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−  $ c44 -dpi $DPI  $FROM.jpg  $TO.djvu
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−
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−JPEG to low colour DjVu::
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−
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−  $ cpaldjvu -dpi $DPI -colors $NCOLORS $i $i.djvu
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−
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−  $ djvm -c $OUTFILE *.djvu    # Many .djvu to single .djvu.
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−
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−JPEG to bitonal DjVu::
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−
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−  $ convert  $PAGE.jpeg  $PAGE.pbm
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−  $ cjb2 -dpi $DPI  $PAGE.pbm  $PAGE.djvu
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−
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−  $ djvm -c $OUTFILE *.djvu    # Many .djvu to single .djvu.
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−
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−if you don't like default delev of balck adjust options::
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−
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−  $ convert -solarize 50% -level 0,50%  $PAGE.jpeg  $PAGE.pbm
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−
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−or::
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−
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−  $ convert  $PAGE.jpeg  pgm:- | pgmtopbm -value 0.499 > page.pbm
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−