Re: Image resolution for PDF

Jean-Marc van Leerdam wrote:
> Hi,
>
> The recent changes to the way the documentation is generated has
> resulted in reduced quality images in the PDF version. On screen they
> look fine, but printing them results in -- how do I say this nicely --
> sub optimal prints ;-)
>
> I noticed a commit where all images were reduced to 96dpi and a max
> width/height of 500/800. This results in a max effective image width in
> the PDF of 5.2 inch (13 cm).

The dpi was not reduced. Most images already had a dpi of 96, but some
had one of 72dpi. those were increased to 96 dpi.

> Isn't it possible to render the images as 200dpi (or 150dpi) in the
> PDFs? With a max width of 13 cm, that should allow images of up to 1040
> (or 780 at 150dpi). For printouts that results in much clearer images.
>
> I would lend a hand in debugging the FOP/Docbook stuff to see where the
> image resolution is set. A pointer towards the file(s) to start with
> would be great.

If you can find out how to make the pdf generation scale the images to
fit the page so they won't get cut off at the right, that would be
great. I tried many hours to get this done without success.

Once you got that done, we can use larger images again.

Stefan

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