Pen to calculate the horizontal margins of a glyph at any given height by intersecting the shape with a horizontal line. Results can be obtained for the whole glyph  with pen.getMargins() or for each individual contour with pen.getCounterMargins().
Pen to calculate the horizontal margins of a glyph at any given height by intersecting the shape with a horizontal line. Results can be obtained for the whole glyph  with pen.getMargins() or for each individual contour with pen.getCounterMargins().

git-svn-id: 68c5a305180a392494b23cb56ff711ec9d5bf0e2@86 b5fa9d6c-a76f-4ffd-b3cb-f825fc41095c

adrientetar/robofab,jamesgk/robofab,fonttools/fonttools,moyogo/robofab,anthrotype/robofab,anthrotype/robofab,daltonmaag/robofab,googlefonts/fonttools,schriftgestalt/robofab,moyogo/robofab,daltonmaag/robofab,jamesgk/robofab,schriftgestalt/robofab,miguelsousa/robofab,bitforks/robofab,miguelsousa/robofab