private void DrawPolygons(IGraphics g, int width, int height)
{
if (GetPolygonCount == null || GetPolygon == null)
{
return;
}
for (int i = 0; i < GetPolygonCount(); i++)
{
PolygonData pol = GetPolygon(i);
PolygonProperties lp = GetPolygonProperties(i);
double[] xc = pol.x;
double[] yc = pol.y;
Pen linePen = new Pen(lp.LineColor, lp.LineWidth)
{
DashStyle = lp.LineDashStyle
};
List <Point> ps = new List <Point>();
for (int j = 0; j < xc.Length; j++)
{
if (double.IsNaN(xc[j]) || double.IsNaN(yc[j]) || double.IsInfinity(xc[j]) || double.IsInfinity(yc[j]))
{
continue;
}
int xi1 = ModelToViewX(xc[j], width);
int yi1 = ModelToViewY(yc[j], height);
ps.Add(new Point(xi1, yi1));
}
if (lp.LineWidth > 0)
{
g.DrawLines(linePen, ps.ToArray());
}
SymbolType symbolType = SymbolType.allSymbols[lp.SymbolType];
int symbolSize = lp.SymbolSize;
Pen p = new Pen(lp.SymbolColor);
Brush b = new SolidBrush(lp.SymbolColor);
if (symbolSize > 0)
{
foreach (Point t in ps)
{
symbolType.Draw(symbolSize, t.X, t.Y, g, p, b);
}
}
int w2 = lp.ErrorSize / 2;
if (lp.HorizErrors)
{
Pen errorPen = new Pen(lp.SymbolColor, lp.ErrorLineWidth)
{
DashStyle = DashStyle.Solid
};
for (int j = 0; j < xc.Length; j++)
{
double x = xc[j];
double y = yc[j];
if (double.IsNaN(x) || double.IsNaN(y) || double.IsInfinity(x) || double.IsInfinity(y))
{
continue;
}
int xi = ModelToViewX(x, width);
int yi = ModelToViewY(y, height);
double ed = pol.xErrDown[j];
if (!double.IsNaN(ed) && !double.IsInfinity(ed) && ed >= 0)
{
int xi2 = ModelToViewX(x - ed, width);
g.DrawLine(errorPen, xi, yi, xi2, yi);
if (w2 > 0)
{
g.DrawLine(errorPen, xi2, yi - w2, xi2, yi + w2);
}
}
double eu = pol.xErrUp[j];
if (!double.IsNaN(eu) && !double.IsInfinity(eu) && eu >= 0)
{
int xi3 = ModelToViewX(x + eu, width);
g.DrawLine(errorPen, xi, yi, xi3, yi);
if (w2 > 0)
{
g.DrawLine(errorPen, xi3, yi - w2, xi3, yi + w2);
}
}
}
}
if (lp.VertErrors)
{
Pen errorPen = new Pen(lp.SymbolColor, lp.ErrorLineWidth)
{
DashStyle = DashStyle.Solid
};
for (int j = 0; j < xc.Length; j++)
{
double x = xc[j];
double y = yc[j];
if (double.IsNaN(x) || double.IsNaN(y) || double.IsInfinity(x) || double.IsInfinity(y))
{
continue;
}
int xi = ModelToViewX(x, width);
int yi = ModelToViewY(y, height);
double ed = pol.yErrDown[j];
if (!double.IsNaN(ed) && !double.IsInfinity(ed) && ed >= 0)
{
int yi2 = ModelToViewY(y - ed, height);
g.DrawLine(errorPen, xi, yi, xi, yi2);
if (w2 > 0)
{
g.DrawLine(errorPen, xi - w2, yi2, xi + w2, yi2);
}
}
double eu = pol.yErrUp[j];
if (!double.IsNaN(eu) && !double.IsInfinity(eu) && eu >= 0)
{
int yi3 = ModelToViewY(y + eu, height);
g.DrawLine(errorPen, xi, yi, xi, yi3);
if (w2 > 0)
{
g.DrawLine(errorPen, xi - w2, yi3, xi + w2, yi3);
}
}
}
}
}
}
protected void PaintOnGraphicsVector(IGraphics g, int width, int height)
{
if (scatterPlot == null)
{
return;
}
if (!area.IsEmpty)
{
g.FillRectangle(Brushes.LightGray, 0, 0, width, height);
g.FillRectangle(Brushes.White, area.X, area.Y, area.Width, area.Height);
}
else
{
g.FillRectangle(new SolidBrush(BackColor), 0, 0, width, height);
}
PaintGridVector(g, width, height);
SymbolProperties[] gg = ArrayUtils.GetKeys(values);
int[] counts = new int[gg.Length];
for (int i = 0; i < counts.Length; i++)
{
counts[i] = values[gg[i]].Count;
}
int[] o = ArrayUtils.Order(counts);
Array.Reverse(o);
gg = ArrayUtils.SubArray(gg, o);
foreach (SymbolProperties g1 in gg)
{
bool[,] vals = values[g1].Data;
double[,] zvals = null;
if (zValues != null)
{
zvals = zValues[g1];
}
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
if (vals[i, j])
{
Color color;
if (zvals != null && !double.IsNaN(zvals[i, j]) && colorScale != null)
{
color = colorScale.GetColor(zvals[i, j]);
}
else
{
color = g1.Color;
}
Pen p = new Pen(color);
Brush b = new SolidBrush(color);
SymbolType symbolType = SymbolType.allSymbols[g1.Type];
int symbolSize = g1.Size;
if (symbolSize == 0)
{
continue;
}
int[] pathX;
int[] pathY;
symbolType.GetPath(symbolSize, out pathX, out pathY);
symbolType.Draw(symbolSize, i, j, g, p, b);
}
}
}
}
// selected data points
Brush selectionBrush = new SolidBrush(SelectionColor);
Pen selectionPen = new Pen(SelectionColor);
foreach (int s in scatterPlot.Selection)
{
double[] w = scatterPlot.GetDataAt(s);
if (w.Length > 0)
{
double x = w[0];
double y = w[1];
SymbolProperties gx = GetPointProperties != null?GetPointProperties(s) : defaultSymbol;
SymbolType symbolType = SymbolType.allSymbols[gx.Type];
int symbolSize = gx.Size;
if (symbolSize > 0)
{
symbolType.Draw(symbolSize, ModelToViewX(x, width), ModelToViewY(y, height), g, selectionPen, selectionBrush);
}
}
}
// labels
ScatterPlotLabelMode labelMode = scatterPlot.GetLabelMode();
bool cutLabels = scatterPlot.CutLabels;
if (labelMode == ScatterPlotLabelMode.All && scatterPlot.HasLabels)
{
Font font = new Font("Arial", scatterPlot.FontSize, scatterPlot.FontStyle);
for (;;)
{
double[] x;
double[] y;
double[] z;
string[] labels;
int index;
scatterPlot.GetData(out x, out y, out z, out labels, out index);
if (x == null)
{
break;
}
SymbolProperties gx = GetPointProperties != null?GetPointProperties(index) : defaultSymbol;
for (int i = 0; i < x.Length; i++)
{
if (labelMode == ScatterPlotLabelMode.All || scatterPlot.IsSelected(i))
{
int ix = ModelToViewX(x[i], width);
int iy = ModelToViewY(y[i], height);
Color c;
if (z != null && colorScale != null)
{
c = colorScale.GetColor(z[i]);
}
else
{
c = gx.Color;
}
Brush b = new SolidBrush(c);
if (ix >= 0 && iy >= 0 && ix < width && iy < height)
{
if (labels[i] != null)
{
string s = labels[i];
if (cutLabels)
{
if (s.Contains(";"))
{
s = s.Substring(0, s.IndexOf(';'));
}
}
g.DrawString(s, font, b, ix, iy);
}
}
}
}
}
scatterPlot.Reset();
}
if (labelMode == ScatterPlotLabelMode.Selected && scatterPlot.HasLabels)
{
Font font = new Font("Arial", scatterPlot.FontSize, scatterPlot.FontStyle);
foreach (int s in scatterPlot.Selection)
{
double[] w = scatterPlot.GetDataAt(s);
string label = scatterPlot.GetLabelAt(s);
double x = w[0];
double y = w[1];
int ix = ModelToViewX(x, width);
int iy = ModelToViewY(y, height);
if (ix >= 0 && iy >= 0 && ix < width && iy < height)
{
if (label != null)
{
if (cutLabels)
{
if (label.Contains(";"))
{
label = label.Substring(0, label.IndexOf(';'));
}
}
g.DrawString(label, font, selectionBrush, ix, iy);
}
}
}
}
DrawPolygons(g, width, height);
if (drawFunctions != null)
{
drawFunctions(g, width, height, ModelToViewX, ModelToViewY, ViewToModelX, ViewToModelY);
}
}
