[Poppler-bugs] [Bug 35381] crashes in tilingPatternFill

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=35381

--- Comment #5 from M.Drochner at fz-juelich.de 2011-07-11 03:03:54 PDT ---
I've found the reason if the crashes I've seen: It was an inconsistency
of the USE_CMS definitions between libpoppler and libpoppler-glib.
In NetBSD/pkgsrc, the frontend libraries are built as separate
packages, to limit dependencies to the necessary ones, and it
was not enforced that --enable/disable-cms was set for either
all or none of the components.
The layout of the Gfx and GfxColorSpace classes depends on the USE_CMS
preprocessor symbol, and now it is also obvious why code was
affected which calls back from CairoOutputDev into Gfx.

So your code is not to blame, but wouldn't it be possible to
use some subclassing to get the nasty #ifdefs out of the
class declarations?
Also, there might be problems with programs which use libpoppler
directly (which you don't like, I know, but since xpdf allowed
it and these programs are quite high-profile ones, one has
to live with it). For those, it could help to put USE_CMS
into poppler-config.h.

best regards
Matthias



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