class

FontMetrics

@Js
const abstract class FontMetrics : Obj

FontMetrics represents font size information for a Font within a specific graphics context.

methods descent

Get descent of this font which is the distance from baseline to bottom of chars, not including any leading area

ascent

Get ascent of this font which is the distance from baseline to top of chars, not including any leading area

leading

Get leading of this font which is the distance above the ascent which may include accents and other marks

width

Get the width of the string when painted with this font

height

Get height of this font which is the sum of ascent, descent, and leading

ascent abstract Float ascent()

Get ascent of this font which is the distance from baseline to top of chars, not including any leading area.

descent abstract Float descent()

Get descent of this font which is the distance from baseline to bottom of chars, not including any leading area.

height abstract Float height()

Get height of this font which is the sum of ascent, descent, and leading.

leading abstract Float leading()

Get leading of this font which is the distance above the ascent which may include accents and other marks.

width abstract Float width(Str s)

Get the width of the string when painted with this font.

Haxall 4.0.5 ∙ 24-Feb-2026 14:33 EST