/// <summary>
/// Draw a legend key entry for this <see cref="OHLCBarItem"/> at the specified location
/// </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 reference to the <see cref="ZedGraph.GraphPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="rect">The <see cref="RectangleF"/> struct that specifies the
/// location for the legend key</param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="ZedGraph.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)
{
float pixBase, pixHigh, pixLow, pixOpen, pixClose;
if (pane._barSettings.Base == BarBase.X)
{
pixBase = rect.Left + rect.Width / 2.0F;
pixHigh = rect.Top;
pixLow = rect.Bottom;
pixOpen = pixHigh + rect.Height / 4;
pixClose = pixLow - rect.Height / 4;
}
else
{
pixBase = rect.Top + rect.Height / 2.0F;
pixHigh = rect.Right;
pixLow = rect.Left;
pixOpen = pixHigh - rect.Width / 4;
pixClose = pixLow + rect.Width / 4;
}
var halfSize = 2.0f * scaleFactor;
using (var pen = new Pen(Bar.Color, Bar.Width))
{
Bar.Draw(g, pane, pane._barSettings.Base == BarBase.X, pixBase, pixHigh,
pixLow, pixOpen, pixClose, halfSize, pen, float.NaN);
}
}
/// <summary>
/// Do all rendering associated with this <see cref="OHLCBarItem"/> to the specified
/// <see cref="Graphics"/> device. This method is normally only
/// called by the Draw method of the parent <see cref="ZedGraph.CurveList"/>
/// collection object.
/// </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 reference to the <see cref="ZedGraph.GraphPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="pos">The ordinal position of the current <see cref="OHLCBarItem"/>
/// curve.</param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="ZedGraph.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 Draw(Graphics g, GraphPane pane, int pos, float scaleFactor)
{
if (IsVisible)
{
Bar.Draw(g, pane, this, BaseAxis(pane), ValueAxis(pane), scaleFactor);
}
}
/// <summary>
/// Draw a legend key entry for this <see cref="BarItem"/> at the specified location
/// </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 reference to the <see cref="ZedGraph.GraphPane"/> object that is the parent or
/// owner of this object.
/// </param>
/// <param name="rect">The <see cref="RectangleF"/> struct that specifies the
/// location for the legend key</param>
/// <param name="scaleFactor">
/// The scaling factor to be used for rendering objects. This is calculated and
/// passed down by the parent <see cref="ZedGraph.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>
override public void DrawLegendKey(Graphics g, GraphPane pane, RectangleF rect, float scaleFactor)
{
_bar.Draw(g, pane, rect, scaleFactor, true, false, null);
}
