/// <summary>
/// Helper to load Settings and populate the form elements
/// <see cref="Settings"/>
/// </summary>
public void LoadSettings()
{
// line
LineThickness = Settings.LineThickness;
tB_LineThickness.Text = LineThickness.ToString();
LineMaxLength = Settings.LineMaxLength;
tB_LineMaxLength.Text = LineMaxLength.ToString();
LineDividerLengthFactor = Settings.LineSubdividerLengthFactor;
tB_LineDividerLengthFactor.Text = LineDividerLengthFactor.ToString();
ScaleStyle = Settings.Style;
lB_ScaleStyle.DataStore = Enum.GetNames(typeof(ScaleOverlay.ScaleStyle));
// text
TextHeight = Settings.TextHeight;
tB_TextHeight.Text = TextHeight.ToString();
TextFont = Settings.TextFont;
fP_TextFont.Value = TextFont.ToEtoFont();
// position
OffsetX = Settings.OffsetX;
tB_OffsetX.Text = OffsetX.ToString();
OffsetY = Settings.OffsetY;
tB_OffsetY.Text = OffsetY.ToString();
TextGap = Settings.TextGap;
tB_TextGap.Text = TextGap.ToString();
// color
LineColor = Settings.LineColor;
btn_LineColor.BackgroundColor = LineColor.ToEto();
TextColor = Settings.TextColor;
btn_TextColor.BackgroundColor = TextColor.ToEto();
}