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

[Dmitri A. Sergatskov]

Follow-up Comment #33, bug #49053 (project octave):

Fedora 27 has both Qr5 and Qt4.
I built the latest hg tip with you patatch and with 
./configure --with-qt=4

There were some warnings:


  CXX      libinterp/corefcn/libinterp_corefcn_libcorefcn_la-inv.lo
  CXX     
libinterp/corefcn/libinterp_corefcn_libcorefcn_la-interpreter-private.lo
  CXX      libinterp/corefcn/libinterp_corefcn_libcorefcn_la-interpreter.lo
../libinterp/corefcn/gl-render.cc: In member function ‘virtual void
octave::opengl_renderer::setup_opengl_transformation(const
axes::properties&)’:
../libinterp/corefcn/gl-render.cc:1162:56: warning: use of old-style cast
[-Wold-style-cast]
     glOrtho (0, roundf(screen_scale_inverse*(float)vw[2]),
roundf(screen_scale_inverse*(float)vw[3]), 0, xZ1, xZ2);
                                                        ^
../libinterp/corefcn/gl-render.cc:1162:99: warning: use of old-style cast
[-Wold-style-cast]
     glOrtho (0, roundf(screen_scale_inverse*(float)vw[2]),
roundf(screen_scale_inverse*(float)vw[3]), 0, xZ1, xZ2);
                                                                              
                    ^
../libinterp/corefcn/gl-render.cc: In member function ‘virtual void
octave::opengl_renderer::draw_text_background(const text::properties&,
bool)’:
../libinterp/corefcn/gl-render.cc:3547:56: warning: use of old-style cast
[-Wold-style-cast]
     glOrtho (0, roundf(screen_scale_inverse*(float)vp[2]),
roundf(screen_scale_inverse*(float)vp[3]), 0, xZ1, xZ2);
                                                        ^
../libinterp/corefcn/gl-render.cc:3547:99: warning: use of old-style cast
[-Wold-style-cast]
     glOrtho (0, roundf(screen_scale_inverse*(float)vp[2]),
roundf(screen_scale_inverse*(float)vp[3]), 0, xZ1, xZ2);
                                                                              
                    ^
../libinterp/corefcn/gl-render.cc: In member function ‘virtual void
octave::opengl_renderer::init_marker(const string&, double, float)’:
../libinterp/corefcn/gl-render.cc:4124:56: warning: use of old-style cast
[-Wold-style-cast]
     glOrtho (0, roundf(screen_scale_inverse*(float)vw[2]),
roundf(screen_scale_inverse*(float)vw[3]), 0, xZ1, xZ2);
                                                        ^
../libinterp/corefcn/gl-render.cc:4124:99: warning: use of old-style cast
[-Wold-style-cast]
     glOrtho (0, roundf(screen_scale_inverse*(float)vw[2]),
roundf(screen_scale_inverse*(float)vw[3]), 0, xZ1, xZ2);
                                                                              
                    ^



but it seems to run fine. 
I can try some tests, but I do not have HDPI monitor.

Dmitri.
-- 


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