Returns the scale factor of a matrix on the height of the font. That is, the scale factor in the direction perpendicular to the vector that the X coordinate is mapped to. Since 1.12
the scale factor of matrix on the height of the font, or 1.0 if matrix is NULL.
See Implementation
Returns the scale factor of a matrix on the height of the font. That is, the scale factor in the direction perpendicular to the vector that the X coordinate is mapped to. Since 1.12