Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:
>From "man font":
FONT OPTIONS
-size size
The desired size of the font. If the size argument is a posi‐
tive number, it is interpreted as a size in points. If size is
a negative number, its absolute value is interpreted as a size
in pixels. If a font cannot be displayed at the specified size,
a nearby size will be chosen. If size is unspecified or zero, a
platform-dependent default size will be chosen.
Sizes should normally be specified in points so the application
will remain the same ruler size on the screen, even when chang‐
ing screen resolutions or moving scripts across platforms. How‐
ever, specifying pixels is useful in certain circumstances such
as when a piece of text must line up with respect to a fixed-
size bitmap. The mapping between points and pixels is set when
the application starts, based on properties of the installed
monitor, but it can be overridden by calling the tk scaling com‐
mand.
If the font size is specified in absolute pixels the scaling factor does not
affect it.
See fix_scaling() in Lib/idlelib/run.py for example how to handle this problem.
----------
nosy: +serhiy.storchaka
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