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Written by Oleksandr Gavenko (AKA gavenkoa), compiled at 2015-10-05
from rev 764bb173578d
.
DJVU file format.¶
Contents
About djvu.¶
- http://djvu.org/links/
- many useful links
DJVU viewers.¶
- DjVuLibre (all OS).
- WinDjvu (Windows).
DJVU Editors.¶
- DjVuLibre (all OS).
- DjVu Solo (Windows).
DjVuLibre.¶
- A full set of utilities to manipulate and assemble DjVu images and documents.
- A set of decoders to convert DjVu to a number of other formats.
- A standalone DjVu viewer for Unix under X11 (based on the Qt library).
- A browser plugin that works with most Unix browsers
DjVu Solo.¶
Tool for editing and merge files and documents in DjVu format from LizardTech. Currently not maintained.
djvu to pdf.¶
djvulibre:
$ ddjvu -format=tiff book.djvu book.tiff
$ tiff2pdf -o book.pdf book.tiff
or directly:
$ ddjvu -format=pdf book.djvu book.pdf
PDF to Djvu.¶
djvulibre.¶
For ‘pdftoppm’ install xpdf (both Linux and Cygwin):
$ pdftoppm -mono -r 600 -aa yes $PREFIX.pdf $PREFIX
$ for pbm in $PREFIX*.pbm; do cjb2 -dpi $DPI $pbm $pbm.djvu; rm -f $pbm; done
$ djvm -c $OUTFILE $PREFIX*.pbm.djvu
JPEG to Djvu.¶
JPEG to high quolity DjVu (DjVuPhoto encode):
$ c44 -dpi $DPI $FROM.jpg $TO.djvu
JPEG to low colour DjVu:
$ cpaldjvu -dpi $DPI -colors $NCOLORS $i $i.djvu
$ djvm -c $OUTFILE *.djvu # Many .djvu to single .djvu.
JPEG to bitonal DjVu:
$ convert $PAGE.jpeg $PAGE.pbm
$ cjb2 -dpi $DPI $PAGE.pbm $PAGE.djvu
$ djvm -c $OUTFILE *.djvu # Many .djvu to single .djvu.
if you don’t like default delev of balck adjust options:
$ convert -solarize 50% -level 0,50% $PAGE.jpeg $PAGE.pbm
or:
$ convert $PAGE.jpeg pgm:- | pgmtopbm -value 0.499 > page.pbm