xournal should warn if background pdf is compressed
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#119 xournal should warn if background pdf is compressed
I know this is documented on the website (well, I found the manual after I had figured out from looking at the source what was going on...), but it's not obvious to discover and the output looks really bad. So it might be nice to display a warning when exporting a document to pdf with a compressed background pdf. It's easy enough to make pdflatex output uncompressed pdfs (\pdfobjcompresslevel=0 is all that's needed) or to use pdftk to remove compression from a pdf file if the user knows that this is what they need to do.
Version 0.4.8 uses a new "export to PDF" engine using cairo that isn't subject to this issue anymore. You can still access the old "export to PDF" code by enabling "Legacy PDF export" in the Options menu, except when the background PDF has a compressed object reference table -- in that case the new code is now always used.
Denis