[Okular-devel] Continue to Annotate PDF Files Between Different Operating Systems?

Gregg Leichtman gslaccts at verizon.net
Tue Jun 5 01:33:03 UTC 2012 

Posted defect:

Bug 301190 <https://bugs.kde.org/show_bug.cgi?id=301190> - Failure to
Restore Annotations When Using Document Archive

https://bugs.kde.org/show_bug.cgi?id=301190

                    -=> Gregg <=-

On 06/03/2012 01:35 PM, Albert Astals Cid wrote:
> El Dimecres, 30 de maig de 2012, a les 19:04:21, Gregg Leichtman va escriure:
>> I wish that it did work, but it does not as I mentioned below. 
> If it doesn't work, please open a bug in the bugtracker, it should work.
>
>> Since
>> posting this, I was successful at taking a <keyUID>.some.pdf.xml file,
>> transferring it between systems and changing the path as I suggested
>> below, but that is a lot more work than I would like. Is there some log
>> or something that I can check to determine why using a document archive
>> is not storing/retrieving new annotations?
> Not really.
>
> Cheers,
>   Albert
>
>> I realize that I'm using two different versions of the app between
>> systems, but both are capable of reading and writing an archive.
>>
>>                                  -=> Gregg <=-
>>
>> On 05/30/2012 06:08 PM, Albert Astals Cid wrote:
>>> El Dimecres, 30 de maig de 2012, a les 15:59:14, Gregg Leichtman va 
> escriure:
>>>> Is there an easy way to continue annotating a pdf file between Linux and
>>>> Windows without losing previous annotations?
>>> Always use "Export as Document Archive". That should work.
>>>
>>> Albert
>>>
>>>> I am using Okular 0.14.0 on Windows XP SP3 via KDE for Windows 4.8.0 and
>>>> Okular 0.13.2 on OpenSuse 12.1.
>>>>
>>>> I see that I can create a document archive that can be transferred from
>>>> one
>>>> system to another, but when I try to annotate the loaded ocular archive
>>>> (zip) file, it succeeds but does not save it (not really a surprise,
>>>> since
>>>> it is a zip file). I also see the XML files in the archive---metadata.xml
>>>> and content.xml---where metadata.xml appears to be the very similar to
>>>> the
>>>> annotation files stored under Windows at:
>>>>
>>>> A) C:\Documents and Settings\<yourLoggedInUserProfile>\Application
>>>> Data\.kde\share\apps\okular\docdata\<someKeyUID>.<yourfile>.pdf.xml
>>>>
>>>> and under Linux at
>>>>
>>>> B)
>>>> <yourHomeDirectory>/.kde4/share/apps/ocular/docdata/<someKeyUID>.<yourFil
>>>> e>
>>>> .pdf.xml
>>>>
>>>> with very small differences described below and the content.xml file just
>>>> ties the pdf and metadata.xml files together in the archive.
>>>>
>>>> Based on this it doesn't look like a raw document archive is the ticket.
>>>> I
>>>> imagine that I could continue to have the pdf file on both systems and
>>>> then
>>>> transfer the annotation files between A) and B) above if I understood the
>>>> significance of the keyUID filename prefix (my guess is that it is just a
>>>> UID (possibly a hash of the file path), so that the same pdf file in
>>>> different locations of the same file system don't collide when they are
>>>> both independently annotated), but is there an easier way?
>>>>
>>>> The difference in the metadata.xml file in the archive appears to be
>>>> almost
>>>> identical to the files A) and B) except that the documentInfo URL
>>>> attribute
>>>> has been stripped along with a small number of other seemingly low
>>>> importance variations. For example:
>>>>
>>>> diff metadata.xml 13227877.some.pdf.xml
>>>> 3c3
>>>> < <documentInfo>
>>>> ---
>>>>
>>>>> <documentInfo url="/a/url/to/a/pdf/some.pdf">
>>>> 1809a1810,1829
>>>>
>>>>>  <generalInfo>
>>>>>  
>>>>>   <history>
>>>>>   
>>>>>    <oldPage viewport="146;C2:0.4995:0.975965:1"/>
>>>>>    <oldPage viewport="147;C2:0.4995:0.013834:1"/>
>>>>>    <oldPage viewport="146;C2:0.4995:0.975965:1"/>
>>>>>    <oldPage viewport="147;C2:0.4995:0.962451:1"/>
>>>>>    <oldPage viewport="148;C2:0.4995:0.965721:1"/>
>>>>>    <oldPage viewport="149;C2:0.4995:0.288142:1"/>
>>>>>    <oldPage viewport="130;C2:0.49949:0.849155:1"/>
>>>>>    <oldPage viewport="131;C2:0.49949:0.420097:1"/>
>>>>>    <oldPage viewport="142;C2:0.49949:0.98029:1"/>
>>>>>    <oldPage viewport="143;C2:0.49949:0.98749:1"/>
>>>>>    <current viewport="144;C2:0.49949:0.412309:1"/>
>>>>>   
>>>>>   </history>
>>>>>   <views>
>>>>>   
>>>>>    <view name="PageView">
>>>>>    
>>>>>     <zoom mode="1" value="1.89755"/>
>>>>>    
>>>>>    </view>
>>>>>   
>>>>>   </views>
>>>>>  
>>>>>  </generalInfo>
>>>> Would it be as "simple" as creating an application import menu item that
>>>> unpacks the archive, places the pdf at the location of the archive, adds
>>>> the URL attribute to the documentInfo element and deals with the other
>>>> small variations (in this case what appears to be storage of the
>>>> navigation
>>>> history and the current page view type and zoom factor) and then moves
>>>> the
>>>> metadata.xml file into the path for A) or B) along with a file rename?
>>>>
>>>>                           -=> Gregg <=-
>>>>
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