Method AppendRune

paint/span.go:160–165

AppendRune adds one rune and associated formatting info

(r rune, face font.Face, clr image.Image, bg image.Image, deco styles.TextDecorations)

// AppendRune adds one rune and associated formatting info
func (sr *Span) AppendRune(r rune, face font.Face, clr image.Image, bg image.Image, deco styles.TextDecorations) {
	sr.Text = append(sr.Text, r)
	rr := Rune{Face: face, Color: clr, Background: bg, Deco: deco}
	sr.Render = append(sr.Render, rr)
	sr.HasDecoUpdate(bg, deco)
}

// AppendString adds string and associated formatting info, optimized with
// only first rune having non-nil face and color settings