[Poppler-bugs] [Bug 52010] Caret annotation is rendered with wrong color

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Aug 23 10:27:26 PDT 2012


https://bugs.freedesktop.org/show_bug.cgi?id=52010

--- Comment #1 from Fabio D'Urso <fabiodurso at hotmail.it> 2012-08-23 17:27:26 UTC ---
Created attachment 66025
  --> https://bugs.freedesktop.org/attachment.cgi?id=66025
Simplified testcase

PDF document based on the first testcase

On the left side there's a yellow box drawn in blend-multiply mode. Since
there's nothing in the background, it is correctly shown in yellow.
On the right side there's another yellow box drawn in blend-multiply mode, but
this time it is contained in an annotation appearance stream. Poppler paints it
yellow like the other one, acroread paints it blue.

In comparison with the original document, I've stripped the fields that do not
affect this behavior. In particular I've noticed that this behavior does not
depend on the annotation's properties and not even on its type: instead of a
"Caret", in this document I used a "Circle" annotation.
Note that you see a box because that's what the appearance stream says, and
annotation's type and properties are ignored during rendering if there's an
appearance stream available like in this case.

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