pub fn extents_to_pixels(
Converts extents from Pango units to device units, dividing by the
PANGO_SCALE factor and performing rounding.
inclusive rectangle is converted by flooring the x/y coordinates and extending
width/height, such that the final rectangle completely includes the original
nearest rectangle is converted by rounding the coordinates
of the rectangle to the nearest device unit (pixel).
The rule to which argument to use is: if you want the resulting device-space
rectangle to completely contain the original rectangle, pass it in as
If you want two touching-but-not-overlapping rectangles stay
touching-but-not-overlapping after rounding to device units, pass them in
rectangle to round to pixels inclusively, or
rectangle to round to nearest pixels, or