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[Octave-bug-tracker] [bug #49053] figure scaling issue with Qt 5 on macO


From: Rik
Subject: [Octave-bug-tracker] [bug #49053] figure scaling issue with Qt 5 on macOS with Retina / HiDPI scaling
Date: Wed, 24 Jan 2018 16:18:32 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:55.0) Gecko/20100101 Firefox/55.0

Follow-up Comment #87, bug #49053 (project octave):

@John: Are you sure that the LineWidth needs to be scaled?  It appears to me
that, except for the factor of 4/3 related to the difference between points
and pixels, the sizes are already correct.  It could be that OpenGL is already
internally scaling things based on resolution so that 1 theoretical pixel is
already expanded to the correct number of physical pixels.

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