[poppler] Getting a raster image like pdf2ppm

[Albert Astals Cid]

A Dimarts, 19 de maig de 2009, Angus March va escriure:
> Albert Astals Cid wrote:
> > A Divendres, 15 de maig de 2009, Angus March va escriure:
> >> I tried using Poppler to get a Cairo surface and then saving the surface
> >> to a PNG. Unfortunately, the resulting image was of disastrously low
> >> quality. The executable pdftoppm, on the other hand, yields perfect
> >> results. I've tried to hack through its code, though, and it seems that
> >> the "Splash" interface is the one I'm looking for. Unfortunately, it's
> >> not documented, and the interface has changed over the years. Not only
> >> that, but I get a fair number of seg faults using it. Can someone give
> >> me some help in using it?
> >
> > See pdftoppm code, it's 275 lines and 114 are there just to describe the
> > options. Should be quite straightforward to understand how to use it.
>
>     Like I said, I've already tried hacking through the code, and it
> does seem straightforward, but for some reason my results are different.
> I need help w/the Splash interface.
>
> >>     Here are some valgrind reports that might be part of the seg faults.
> >> Notice how there are messages like "Address 0x10 is not stack'd,
> >> malloc'd or (recently) free'd". 0x10 doesn't sound like an address. It
> >> looks like an integer that is being used as an address.
> >
> > That happens with pdftoppm or with your code?
>
>     That happens with my code.

This means they DO NOT happen with pdftoppm, right?

Albert

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