internal Pen GetPen(GraphPane pane, float scaleFactor)
{
Pen pen = new Pen(_color,
pane.ScaledPenWidth(_penWidth, scaleFactor));
if (_dashOff > 1e-10 && _dashOn > 1e-10)
{
pen.DashStyle = DashStyle.Custom;
float[] pattern = new float[2];
pattern[0] = _dashOn;
pattern[1] = _dashOff;
pen.DashPattern = pattern;
}
return(pen);
}
/// <summary>
/// Render the label for this <see cref="GasGaugeNeedle"/>.
/// </summary>
/// <param name="g">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="pane">
/// A graphic device object to be drawn into. This is normally e.Graphics from the
/// PaintEventArgs argument to the Paint() method.
/// </param>
/// <param name="rect">Bounding rectangle for this <see cref="GasGaugeNeedle"/>.</param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="GraphPane"/> object using the
/// <see cref="PaneBase.CalcScaleFactor"/> method, and is used to proportionally adjust
/// font sizes, etc. according to the actual size of the graph.
/// </param>
public override void DrawLegendKey(Graphics g, GraphPane pane, RectangleF rect, float scaleFactor)
{
if (!_isVisible)
{
return;
}
float yMid = rect.Top + rect.Height / 2.0F;
Pen pen = new Pen(NeedleColor, pane.ScaledPenWidth(NeedleWidth / 2, scaleFactor));
pen.StartCap = LineCap.Round;
pen.EndCap = LineCap.ArrowAnchor;
pen.DashStyle = DashStyle.Solid;
g.DrawLine(pen, rect.Left, yMid, rect.Right, yMid);
}
internal Pen GetPen(GraphPane pane, float scaleFactor)
{
return(new Pen(_color, pane.ScaledPenWidth(_penWidth, scaleFactor)));
}
