[Poppler-bugs] [Bug 48964] Slow rendering of pdf with a lot of image masks in pattern colorspace

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=48964

--- Comment #1 from thomasf <Thomas.Freitag at alfa.de> 2012-04-24 01:06:21 PDT ---
Created attachment 60513
  --> https://bugs.freedesktop.org/attachment.cgi?id=60513
create softmask not bigger than necessary

This patch don't take the whole bitmap for colorizing an image mask with
pattern colorspace but just a bitmap which has the size of the image mask
itself.
This speeds up the rendering dramatically if a lot of small image masks in
pattern colorspace must be rendered.

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