Add RecommendedHeight to TypeSetter

typesetter.go

@@ -175,6 +175,14 @@ func (this *TypeSetter) PositionAt (index int) fixed.Point26_6 {
 	return position
 }
 
+// ReccomendedHeightFor returns the reccomended max height if the text were to
+// have its maximum width set to the given width. This does not actually move
+// any text, it only simulates it.
+func (this *TypeSetter) RecommendedHeight (width fixed.Int26_6) fixed.Int26_6 {
+	this.needMeasurement()
+	return recommendHeight(this.tokens, this.face, width)
+}
+
 // SetAlign sets the horizontal and vertical alignment of the text.
 func (this *TypeSetter) SetAlign (x, y Align) {
 	if this.xAlign == x && this.yAlign == y { return }