[poppler] z-order of annotation objects in PDF document

[Tobias Koenig]

Hej,

I have a PDF document here that has been created with pdflatex and the
movie15 LaTeX package. The following code snippet:

    \includemovie[]
           {40mm}
           {40mm}
           {LMF_test.avi}

generates two annotations inside the PDF, a MediaRendition annotation and a
FileAttachment annotation. Unfortunately both have the very same coordinates
which means that they are placed on top of each other.
 ....
  /Annots [ 15 0 R 16 0 R ]
 ....
  15 0 obj <<
  /Type /Annot
  /Subtype /FileAttachment/F 0/T (LMF_test.avi)/Contents (Media File(video/avi))/AP <</N<<>>/R<<>>/D<<>>>>/FS 14 0 R
  /Rect [124.724 74.448 238.11 187.833]
  >> endobj

  16 0 obj <<
  /Type /Annot
  /Subtype /Screen/Border [0 0 0]/BS <</S/S/W 0>>/F 5/T
 (LMF_test.avi)/Contents (Media File (video/avi))/P 9 0 R/A 11 0 R/AA 12 0 R/AP <</N<<>>/R<<>>/D<<>>>>
  /Rect [124.724 74.448 238.11 187.833]
   >> endobj
 ...

I searched through the PDF spec already but couldn't find any hint how such
a case should be handled.
Does the PDF spec and/or poppler define a z-order for annotations, so that viewer applications
can decide which annotation should be shown on top of another annotation?

Ciao,
Tobias
-- 
Tobias Koenig | tobias.koenig at kdab.com | Developer
KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
Tel. Germany +49-30-521325470, Sweden (HQ) +46-563-540090
KDAB - Qt Experts - Platform-independent software solutions
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