[cairo-bugs] [Bug 63302] Mask problem in pdf

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=63302

--- Comment #18 from Massimo <sixtysix at inwind.it> ---
Created attachment 118999
  --> https://bugs.freedesktop.org/attachment.cgi?id=118999&action=edit
poppler quick hack

This is a poppler quick hack that fixes the gimp issue

The idea is to combine the image and the soft mask in
image space (so with no resampling needed if they have
the same dimensions) and then paint the result on the
destination in destination space.

I don't have the poppler test suite so I don't know how
much it breaks, but firefox renders the output of my previous
test case completely white and so I think poppler could
do a better job as well.

PS: in the function modified by the quick hack if one of the
first two 'goto cleanup;' is executed 'maskPattern' is leaked.

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