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

[Leonard Rosenthol]

Z order of annotations is the order of the Annots array - FIFO style.
(aka the first one in the list is the lowest in Z).

Leonard

On 4/12/12 3:31 AM, "Tobias Koenig" <tobias.koenig at kdab.com> wrote:

>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
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