Name
pmatrix:GetFontScaleFactors -- get font scale factors
Synopsis
xscale, yscale = pmatrix:GetFontScaleFactors()
Function
Calculates the scale factor of a matrix on the width and height of the font.

That is, xscale is the scale factor in the direction of the X coordinate, and yscale is the scale factor in the direction perpendicular to the vector that the X coordinate is mapped to.

Note that output numbers will always be non-negative.

Inputs
none

Results
xscale
scale factor in the x direction
yscale
scale factor perpendicular to the x direction
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