[4/4] gdiplus: GdipMeasureString operates internally in pixels but in/out rectangles are in device units. Resend.

[Vincent Povirk]

Values returned from Measure[String|CharacterRanges] have to match
what DrawString will draw. If they don't currently match, you need to
explain why that is. If they do, you need to bring DrawString into
line as well.