[Octave-bug-tracker] [bug #49053] figure scaling issue with Qt 5 on macOS with Retina / HiDPI scaling

[Pantxo Diribarne]

Follow-up Comment #138, bug #49053 (project octave):

If the latest patch works, I'll review it, add a change log and push it (in
the name of John Swensen) so that we have time to discover any regression
before the next major release.

Since I don't have a HDPI screen I'll need some more information:
* Does printing work correctly. Can someone attach the svg file resulting from
the following snippet:


demo hold 6
xlabel XLABEL
ylabel YLABEL
axis auto ## needed to avoid bug #48689
print hold6.svg ## may take a while


* Also I am curious to know if mouse operation with HDPI screens work. Are
coordinates displayed on the status bar when hovering an axes with the mouse
cursor correct? If you click on the text labels in the example below, does
Octave display the corresponding text?


plot (1:4);
text (1, 1, "1", "backgroundcolor", "r", "fontsize", 15,...
      "buttondownfcn", @(h) disp (get (h, "string")))
text (2, 2, "2", "backgroundcolor", "r", "fontsize", 15,...
      "buttondownfcn", @(h) disp (get (h, "string")))
text (3, 3, "3", "backgroundcolor", "r", "fontsize", 15,...
      "buttondownfcn", @(h) disp (get (h, "string")))
text (4, 4, "4", "backgroundcolor", "r", "fontsize", 15,...
      "buttondownfcn", @(h) disp (get (h, "string")))


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