afm

type GlyphInfo struct {
	WidthX    float64
	BBox      funit.Rect16
	Ligatures map[string]string
}

type KernPair struct {
	Left, Right string
	Adjust      funit.Int16 // negative = move glyphs closer together
}

type Metrics struct {
	Glyphs   map[string]*GlyphInfo
	Encoding []string

	// PostScript language name (FontName or CIDFontName) of the font.
	FontName string

	// FullName is a unique, human-readable name for an individual font.
	FullName string

	CapHeight float64
	XHeight   float64
	Ascent    float64
	Descent   float64 // negative

	// UnderlinePosition is the recommended distance from the baseline for
	// positioning underlining strokes. This number is the y coordinate (in the
	// glyph coordinate system) of the center of the stroke.
	UnderlinePosition float64

	// UnderlineThickness is the recommended stroke width for underlining, in
	// units of the glyph coordinate system.
	UnderlineThickness float64

	// ItalicAngle is the angle, in degrees counterclockwise from the vertical,
	// of the dominant vertical strokes of the font.
	ItalicAngle float64

	// IsFixedPitch is a flag indicating whether the font is a fixed-pitch
	// (monospaced) font.
	IsFixedPitch bool

	Kern []*KernPair
}