public void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area)
{
GraphicsState _s = g.Save();
g.SetClip(area.Rect);
foreach (KeyValuePair <string, Series> s in seriesByName)
{
s.Value.Draw(g, yAxisCollection, xAxis, area);
}
g.Restore(_s);
}
public Plot()
{
UseDateTimeXAxis();
yAxes = new AxisCollection(this);
yAxes.AddLeft("Default");
series.OnSeriesCollectionChanged += delegate() { raiseEvent(); };
yAxes.OnAxisCollectionChanged += delegate() { raiseEvent(); };
background.OnBrushDescriptionChanged += delegate() { raiseEvent(); };
annotations.OnChanged += delegate(object sender, EventArgs args) { raiseEvent(); };
}
public override void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area)
{
if (data.Count == 0)
{
return;
}
GraphicsState _s = g.Save();
g.SmoothingMode = SmoothingMode.AntiAlias;
NumericAxis yAxis = yAxisCollection[YAxisName];
using (Pen p = line.CreatePen())
using (Symbol s = (SymbolStyle != SymbolStyle.NoSymbols) ? symbol.CreateSymbol() : null)
{
// find continuous groups of non-null Y points
// if our yAxis is LogRate, then we need to find continuous
// groups of non-null, >0 Y points. Yay.
int start = 0, end = 0, i = 0;
while (i < data.Count)
{
// chomp all nulls
// then draw all non-nulls
while (i < data.Count && (data.GetY(i) == null || (yAxis.LogAxis && data.GetY(i) <= 0)))
{
i++;
}
// found a non-null at i.
start = i;
while (i < data.Count && data.GetY(i) != null && (!yAxis.LogAxis || data.GetY(i) > 0))
{
i++;
}
// found a null at i;
end = i;
if (start != end)
{
drawLines(g, p, s, xAxis, yAxis, area, start, end);
}
}
}
g.Restore(_s);
}
public override void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area)
{
if (data.Count == 0)
{
return;
}
GraphicsState _s = g.Save();
g.SmoothingMode = SmoothingMode.AntiAlias;
NumericAxis yAxis = yAxisCollection[YAxisName];
double[] baseY = new double[data.Count];
if (yAxis.LogAxis)
{
for (int i = 0; i < data.Count; i++)
{
baseY[i] = yAxis.ScaleMinimum;
}
}
else
{
for (int i = 0; i < data.Count; i++)
{
baseY[i] = 0;
}
}
for (int ySet = 0; ySet < data.GetY(0).Length; ySet++)
{
PointF[] polygon = new PointF[data.Count * 2];
PointF[] line = new PointF[data.Count];
int j = 0;
for (int i = (data.Count - 1); i >= 0; i--, j++)
{
polygon[j] = new PointF(
xAxis.DataToCoordinate(data.GetX(i), area),
yAxis.DataToCoordinate(baseY[i], area)
);
}
for (int i = 0; i < data.Count; i++, j++)
{
double?y = data.GetY(i)[ySet];
if (y == null)
{
y = baseY[i];
}
else
{
y = baseY[i] + y.Value;
}
polygon[j] = new PointF(
xAxis.DataToCoordinate(data.GetX(i), area),
yAxis.DataToCoordinate(y.Value, area)
);
line[i] = polygon[j];
baseY[i] = y.Value;
}
if (brushes.Count != 0)
{
int idx = ySet % brushes.Count;
using (Brush br = brushes[idx].CreateBrush())
g.FillPolygon(br, polygon);
}
if (pens.Count != 0 && line.Length >= 2)
{
int idx = ySet % pens.Count;
using (Pen p = pens[idx].CreatePen())
g.DrawLines(p, line);
}
}
g.Restore(_s);
}
public abstract void Draw(Graphics g, AxisCollection yAxisCollection, XAxis xAxis, AdvancedRect area);
