Sets the size field of a font description, in device units.
This is mutually exclusive with [method@Pango.FontDescription.set_size] which sets the font size in points.
the new size, in Pango units. There are %PANGO_SCALE Pango units in one device unit. For an output backend where a device unit is a pixel, a @size value of 10 * PANGO_SCALE gives a 10 pixel font.
1.8
See Implementation
Sets the size field of a font description, in device units.
This is mutually exclusive with [method@Pango.FontDescription.set_size] which sets the font size in points.