Provided by: printbill_4.1.2-1.1_i386
percentcolour - how much C/M/Y/K coverage is there in a given PNG
percentcolour prints the percentage coverage for a given colour PNG
image, to three decimal places. filename.png must be 3x8-bit RGB, such
as is generated by GhostScript’s png16m device. The cyan, magenta,
yellow and black components are printed on standard output separated by
a colon (:).
indicating that 33.142% of the page is covered in cyan, 12.042% by
magenta, 4.665% by yellow and 0.516% by black.
percentcolour only requires libpng to be present on the system.
Please see the accompanying README and INSTALL files for installation
instructions. Chances are if you’re reading this it’s correctly
printbill and the accompanying utilities were written by Daniel
Franklin (firstname.lastname@example.org). The web interface was written by Phil
You can always grab the latest and greatest version from
printbill(1), printbill(8), printbilld(1), printbill_configure(8),
printbill_grapher(1), percentblack(1), percent_cmy(1), pqcheck(1),
printquote(1), printbill_printer(1), printbillrc(5), printcap(5),