Quote:
Originally Posted by Lodan
Would be great to have the option to color the background of the PDF page other than the default white, and if possible too the font color.
It would be of great help to make is easier on the eyes for on screen PDFs reading.
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This probably belongs in the calibre forum somewhere, but just so you know, you can post-process your PDF with
k2pdfopt to do this. See the -colorbg and -colorfg options (see
command-line usage).
E.g. k2pdfopt -mode copy -colorbg ffff00 -colorfg 0000ff mydoc.pdf
... would make the background yellow and the text blue. The drawback is that you would be required to convert the PDF to bitmapped form (but the text would still be searchable and selectable). See example attached.
k2pdfopt -colorfg 0000ff -colorbg ffffd0 -mode copy pooh.pdf
Also see
my other recent post mentioning this.