/// <summary>
/// Render all the <see cref="CurveItem"/> objects in the list to the
/// specified <see cref="Graphics"/>
/// device by calling the <see cref="CurveItem.Draw"/> member function of
/// each <see cref="CurveItem"/> 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="GraphPane"/> object that is the parent or
/// owner of this object.
/// </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 void Draw(Graphics g, GraphPane pane, float scaleFactor)
{
// Count the number of BarItems in the curvelist
int pos = this.NumBars;
// sorted overlay bars are a special case, since they are sorted independently at each
// ordinal position.
if (pane._barSettings.Type == BarType.SortedOverlay)
{
// First, create a new curveList with references (not clones) of the curves
CurveList tempList = new CurveList();
foreach (CurveItem curve in this)
{
if (curve.IsBar)
{
tempList.Add((CurveItem)curve);
}
}
// Loop through the bars, graphing each ordinal position separately
for (int i = 0; i < this.maxPts; i++)
{
// At each ordinal position, sort the curves according to the value axis value
tempList.Sort(pane._barSettings.Base == BarBase.X ? SortType.YValues : SortType.XValues, i);
// plot the bars for the current ordinal position, in sorted order
foreach (BarItem barItem in tempList)
{
barItem.Bar.DrawSingleBar(g, pane, barItem,
((BarItem)barItem).BaseAxis(pane),
((BarItem)barItem).ValueAxis(pane),
0, i, ((BarItem)barItem).GetBarWidth(pane), scaleFactor);
}
}
}
// Loop for each curve in reverse order to pick up the remaining curves
// The reverse order is done so that curves that are later in the list are plotted behind
// curves that are earlier in the list
for (int i = this.Count - 1; i >= 0; i--)
{
CurveItem curve = this[i];
if (curve.IsBar)
{
pos--;
}
// Render the curve
// if it's a sorted overlay bar type, it's already been done above
if (!(curve.IsBar && pane._barSettings.Type == BarType.SortedOverlay))
{
curve.Draw(g, pane, pos, scaleFactor);
}
}
}
/// <summary>
/// The Copy Constructor
/// </summary>
/// <param name="rhs">The XAxis object from which to copy</param>
public CurveList(CurveList rhs)
{
this.maxPts = rhs.maxPts;
foreach (CurveItem item in rhs)
{
this.Add((CurveItem)((ICloneable)item).Clone());
}
}