[Libreoffice-bugs] [Bug 108205] New: PDF EXPORT with filling of transparency color in a frame change whole page in jpeg

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=108205

            Bug ID: 108205
           Summary: PDF EXPORT with filling of transparency color in a
                    frame change whole page in jpeg
           Product: LibreOffice
           Version: 4.4.0.3 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: mikael_monnier at hotmail.com

Description:
A frame with any value of transparency ( but 0%) in a page affect the export
aspect of the whole page. The page is transform into an image. As result :
1-The text is an image ( in pdf selecting text is impossible )
2-The size of the resulting pdf differ according to the image export options of
the export pdf formular.

Under certain circumstances only part of the page, at the level of the frame is
affected by the transformation in an image.
It is more likely to be an artefact of the algorithm which transform the frame
with transparency into an image: everything that is in reach of the frame, as a
whole paragraph ( even if only a part of it is under the frame ) is transform
into an image. Which is quiet unexpected....

I have 2 files as examples:
1) the first files affected
2) a simple reproduction of the bug 


Steps to Reproduce:
1. some text in a page
2. a frame with color filling with transparency above 0%
( plain color with X% transparency or gradient )
3. pdf export ( with jpeg compression : ex: 30% 75 dpi )

Actual Results:  
Frame with transparency becomes images in pdf ! and The text in it is an image
! 
The resulting pdf file is partially transform into an image nearby the frame.

Expected Results:
Text in frame as normal text.
Text in file as a normal text.
Transparency or color gradient as object not as image.
As workaround : 
1 ) a flat image as background ( with or without text)
2 ) above the text in transparency ( or 1% shade of police color )


Reproducible: Always

User Profile Reset: No

Additional Info:



User-Agent: Windows / Firefox 50: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0)
Gecko/20100101 Firefox/50.0

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