### Zoom all glyphs by para.upmscale

set font.head.unitsPerEm          : upmscale * font.head.unitsPerEm
set font.hhea.ascent              : upmscale * font.hhea.ascent
set font.'OS/2'.usWinAscent       : upmscale * font.'OS/2'.usWinAscent
set font.'OS/2'.sTypoAscender     : upmscale * font.'OS/2'.sTypoAscender
set font.hhea.descent             : upmscale * font.hhea.descent
set font.'OS/2'.usWinDescent      : upmscale * font.'OS/2'.usWinDescent
set font.'OS/2'.sTypoDescender    : upmscale * font.'OS/2'.sTypoDescender
set font.hhea.lineGap             : upmscale * font.hhea.lineGap
set font.'OS/2'.sTypoLineGap      : upmscale * font.'OS/2'.sTypoLineGap
set font.'OS/2'.sxHeight          : upmscale * font.'OS/2'.sxHeight

if [upmscale != 1] : foreach glyph [items-of glyphList] : begin {
	glyph.advanceWidth = glyph.advanceWidth * upmscale
	if glyph.contours: foreach contour [items-of glyph.contours] : foreach point [items-of contour] : begin {
		point.x = point.x * upmscale
		point.y = point.y * upmscale
	}
}

if [not recursive] : set font.glyf : font.glyf.filter : function [glyph] : glyph && [not glyph.dontExport]
set font.glyfMap glyphs
return font
}

exports.build = buildFont