[Libreoffice-bugs] [Bug 124765] New: FILEOPEN LO Draw rasterizes vector graphics (PDF) on import

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=124765

            Bug ID: 124765
           Summary: FILEOPEN LO Draw rasterizes vector graphics (PDF) on
                    import
           Product: LibreOffice
           Version: 6.2.0.3 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Draw
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: kleinmeier.benedikt at gmail.com

Since one of the last LO releases, I have a problem: **LO Draw rasterizes
vector graphics (stored as PDF) on import.**

**Some background information:** This use case has already worked flawlessly in
LO Draw in Dec 2018 and before. For instance, I created two vector graphics
with Python's matplolib and stored them as PDF (see the first vector graphic
[1]). I imported both graphics into LO Draw via drag and drop, imported another
raster graphic and connected the imported graphics with arrows in LO Draw.
Then, I have exported the result as PDF and the two vector graphics were not
rasterized. See the resulting PDF [2]). But now, when I reproduce the following
three steps, the imported vector graphics are rasterized by LO Draw:

  1. Open LO Draw.
  2. Drag a vector graphic (stored as PDF) from file explorer and drop it in
the LO Draw window.
  3. Zoom in (to 1000%) and check that the imported graphic is pixelized
because of rasterizing the imported image.

I can reproduce the problem with two systems:

  - Kubuntu 18.04 with LO version 6.0.7.3
  - Arch Linux with LO version 6.2.2

The problem does not occur with another vector editing tool (here Inkscape
0.92) on both systems. This misbehavior has been confirmed in the LibreOffice
forum [3].

  - [1]
https://syncandshare.lrz.de/getlink/fiAZt3Tv2f6aNxPmx1CDA5wT/analysis_by_heatmap_1_data_time_step0.35.pdf?logInfo=Dateilink%20f%C3%BCr%20Datei%20analysis_by_heatmap_1_data_time_step0.35.pdf%20von%20Benedikt%20Kleinmeier%20gespeichert
  - [2]
https://syncandshare.lrz.de/getlink/fiEgirEZbCV63gCXoCWjg8Y7/analysis_merged.pdf?logInfo=Dateilink%20f%C3%BCr%20Datei%20analysis_merged.pdf%20von%20Benedikt%20Kleinmeier%20gespeichert
  - [3]
https://ask.libreoffice.org/en/question/190125/bug-lo-draw-rasterizes-vector-graphics-pdf-on-import/

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