[Poppler-bugs] [Bug 32349] Radial shading does not render correctly

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32349

--- Comment #7 from thomasf <Thomas.Freitag at alfa.de> 2010-12-21 01:27:12 PST ---
(In reply to comment #6)
> I won't be commiting change 3 since it introduces some regressions in the
> background of
> http://www.alfa.de/de/admin/content/document/PDF/3907525_13_hi.pdf
> 
> Still regtesting the other change but seems cool for the moment.

Oh, I see, what You mean. I haven't encountered that in my own regression test,
because I normally use 

#define radialColorDelta (dblToCol(16.0 / 256.0))

instead of 

#define radialColorDelta (dblToCol(1.0 / 256.0))

to make rendering faster. And with this poorer flow the result with
antialiasing looks better than without. But You're right, with the better flow
the result with antialiasing looks worse.
I already thought about to implement radial shading in SplashOutputDev in
drawing Besenham circles instead of using clipping pathes, but this means more
effort. So let us see if the patch without antialiasing runs through Your test,
and then look if there is time enough left to implement it in my vacation or to
put it on my open issues...

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