[Octave-bug-tracker] [bug #45600] fontsize in qt plots too small under Windows

[H. G.]

URL:
  <http://savannah.gnu.org/bugs/?45600>

                 Summary: fontsize in qt plots too small under Windows
                 Project: GNU Octave
            Submitted by: hardy
            Submitted on: Mi 22 Jul 2015 07:21:23 GMT
                Category: Plotting with OpenGL
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Inaccurate Result
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: Microsoft Windows

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Details:

Here is a tiny script that I used to produce the following plots to judge the
fontsize:


clear, close all;
graphics_toolkit qt;
plot(1:10);
text(5,5,'hello WORLD');
title('Octave 4.0.0 (Win), qt');


If you run this, you get the following results:
* Ubuntu 14.04 + Octave (4.0.0) + qt     -> text is big enough
* Windows 7 + Octave 4.0.0 + qt plotting -> text is too small
* Windows 7 + Matlab 2013b               -> text is big enough

This judgment "too small" is not only my personal taste. On the attached
screenshots of those plot results you can see, that under Windows 7 the
fontsize in the qt plots is significantly smaller compared to the "same" plot
either under Linux with qt, or under Windows with Matlab.

In my opinion this makes the resulting plots under Windows + qt (the default
graphics toolkit) uglier than necessary. Can we change this?

(I am not sure if this is connected to #41308.)



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File Attachments:


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Date: Mi 22 Jul 2015 07:21:23 GMT  Name: Ubuntu+Octave400_qt.png  Size: 19kB  
By: hardy

<http://savannah.gnu.org/bugs/download.php?file_id=34484>
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Date: Mi 22 Jul 2015 07:21:23 GMT  Name: Win7+Octave400_qt.jpg  Size: 81kB  
By: hardy

<http://savannah.gnu.org/bugs/download.php?file_id=34485>
-------------------------------------------------------
Date: Mi 22 Jul 2015 07:21:23 GMT  Name: Win7+ML2013b.jpg  Size: 128kB   By:
hardy

<http://savannah.gnu.org/bugs/download.php?file_id=34486>
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Date: Mi 22 Jul 2015 07:21:23 GMT  Name: all_fontsize_plots.zip  Size: 308kB  
By: hardy

<http://savannah.gnu.org/bugs/download.php?file_id=34487>

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