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[Octave-bug-tracker] [bug #52878] Tiny plots in Qt/FLTK plotting window


From: anonymous
Subject: [Octave-bug-tracker] [bug #52878] Tiny plots in Qt/FLTK plotting window on UHD / hidpi display
Date: Sat, 13 Jan 2018 12:42:51 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:57.0) Gecko/20100101 Firefox/57.0

URL:
  <http://savannah.gnu.org/bugs/?52878>

                 Summary: Tiny plots in Qt/FLTK plotting window on UHD / hidpi
display
                 Project: GNU Octave
            Submitted by: None
            Submitted on: Sat 13 Jan 2018 05:42:49 PM UTC
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
             Assigned to: None
         Originator Name: Michael Weitzel
        Originator Email: address@hidden
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.2.1
        Operating System: GNU/Linux

    _______________________________________________________

Details:

Dear Octave developers,

This probably a feature request - at least not a /severe/ bug:

I'm running ArchLinux with KDE Plasma on a 15" UHD laptop display (3840x2160
px). In order to have readable fonts I configured a scaling factor of 2 in the
KDE settings.

While Octave's Qt GUI performs great on the HiDPI display, the output
generated in the different plotting windows (both, Qt and FLTK) remains
unscaled, i.e. tiny/almost unreadable (see attached screenshot). In addition,
plot(...) on graphics_toolkit('qt') results in a small plot sitting in the
lower/left quarter of the figure window.

The plotting subsystem should adjust line thickness, font sizes, and the
overall size of the plot in order to match the display's scaling factor.

Thank you for creating this great software.
Please, let me know if I can help (e.g. by trying out some patches)

Regards, Michael



    _______________________________________________________

File Attachments:


-------------------------------------------------------
Date: Sat 13 Jan 2018 05:42:49 PM UTC  Name: qt_plot_uhd_screen.jpeg  Size:
52KiB   By: None
Qt plotting window on UHD display
<http://savannah.gnu.org/bugs/download.php?file_id=42902>

    _______________________________________________________

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  <http://savannah.gnu.org/bugs/?52878>

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