Agg2D: rought conversion of font point size to pixel size.
Agg2D: rought conversion of font point size to pixel size.

Agg2D/AggPas defines font sizes in pixels, whereas the rest of fpGUI
uses point sizes. So we needed to translate between the two. This is
just a temporary implementation. A more accurate DPI aware version will
come later.

wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI,wkitty42/fpGUI