private void DrawLegend(Graphics g, float xCenter, float yCenter,
float hWidth, float hHeight, DataCollection dc, ChartStyle cs)
{
float spacing = 8.0f;
float textHeight = 8.0f;
float htextHeight = textHeight / 2.0f;
float lineLength = 30.0f;
float hlineLength = lineLength / 2.0f;
Rectangle legendRectangle;
Pen aPen = new Pen(LegendBorderColor, 1f);
SolidBrush aBrush = new SolidBrush(LegendBackColor);
if (isLegendVisible)
{
legendRectangle = new Rectangle((int)xCenter - (int)hWidth,
(int)yCenter - (int)hHeight,
(int)(2.0f * hWidth), (int)(2.0f * hHeight));
g.FillRectangle(aBrush, legendRectangle);
if (IsBorderVisible)
{
g.DrawRectangle(aPen, legendRectangle);
}
int n = 1;
foreach (DataSeries ds in dc.DataSeriesList)
{
// Draw lines and symbols:
float xSymbol = legendRectangle.X + spacing + hlineLength;
float xText = legendRectangle.X + 2 * spacing + lineLength;
float yText = legendRectangle.Y + n * spacing + (2 * n - 1) * htextHeight;
aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
PointF ptStart = new PointF(legendRectangle.X + spacing, yText);
PointF ptEnd = new PointF(legendRectangle.X + spacing + lineLength, yText);
g.DrawLine(aPen, ptStart, ptEnd);
ds.SymbolStyle.DrawSymbol(g, new PointF(xSymbol, yText));
// Draw text:
StringFormat sFormat = new StringFormat();
sFormat.Alignment = StringAlignment.Near;
g.DrawString(ds.SeriesName, LegendFont, new SolidBrush(textColor),
new PointF(xText, yText - 8), sFormat);
n++;
}
}
aPen.Dispose();
aBrush.Dispose();
}
public void AddLegend(Graphics g, DataCollection dc, ChartStyle cs)
{
if (dc.DataSeriesList.Count < 1)
{
return;
}
if (!IsLegendVisible)
{
return;
}
int numberOfDataSeries = dc.DataSeriesList.Count;
string[] legendLabels = new string[dc.DataSeriesList.Count];
int n = 0;
foreach (DataSeries ds in dc.DataSeriesList)
{
legendLabels[n] = ds.SeriesName;
n++;
}
float offSet = 10;
float xc = 0f;
float yc = 0f;
SizeF size = g.MeasureString(legendLabels[0], LegendFont);
float legendWidth = size.Width;
for (int i = 0; i < legendLabels.Length; i++)
{
size = g.MeasureString(legendLabels[i], LegendFont);
float tempWidth = size.Width;
if (legendWidth < tempWidth)
{
legendWidth = tempWidth;
}
}
legendWidth = legendWidth + 50.0f;
float hWidth = legendWidth / 2;
float legendHeight = 18.0f * numberOfDataSeries;
float hHeight = legendHeight / 2;
switch (LegendPosition)
{
case LegendPositionEnum.East:
xc = cs.PlotArea.X + cs.PlotArea.Width - offSet - hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height / 2;
break;
case LegendPositionEnum.North:
xc = cs.PlotArea.X + cs.PlotArea.Width / 2;
yc = cs.PlotArea.Y + offSet + hHeight;
break;
case LegendPositionEnum.NorthEast:
xc = cs.PlotArea.X + cs.PlotArea.Width - offSet - hWidth;
yc = cs.PlotArea.Y + offSet + hHeight;
break;
case LegendPositionEnum.NorthWest:
xc = cs.PlotArea.X + offSet + hWidth;
yc = cs.PlotArea.Y + offSet + hHeight;
break;
case LegendPositionEnum.South:
xc = cs.PlotArea.X + cs.PlotArea.Width / 2;
yc = cs.PlotArea.Y + cs.PlotArea.Height - offSet - hHeight;
break;
case LegendPositionEnum.SouthEast:
xc = cs.PlotArea.X + cs.PlotArea.Width - offSet - hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height - offSet - hHeight;
break;
case LegendPositionEnum.SouthWest:
xc = cs.PlotArea.X + offSet + hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height - offSet - hHeight;
break;
case LegendPositionEnum.West:
xc = cs.PlotArea.X + offSet + hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height / 2;
break;
}
DrawLegend(g, xc, yc, hWidth, hHeight, dc, cs);
}
private void DrawLegend(Graphics g, float xCenter, float yCenter,
float hWidth, float hHeight, DataCollection dc, ChartStyle cs)
{
float spacing = 8.0f;
float textHeight = 8.0f;
float htextHeight = textHeight / 2.0f;
float lineLength = 30.0f;
float hlineLength = lineLength / 2.0f;
Rectangle legendRectangle;
Pen aPen = new Pen(LegendBorderColor, 1f);
SolidBrush aBrush = new SolidBrush(LegendBackColor);
if (isLegendVisible)
{
legendRectangle = new Rectangle((int)xCenter - (int)hWidth,
(int)yCenter - (int)hHeight,
(int)(2.0f * hWidth), (int)(2.0f * hHeight));
g.FillRectangle(aBrush, legendRectangle);
if (IsBorderVisible)
{
g.DrawRectangle(aPen, legendRectangle);
}
int n = 1;
foreach (DataSeries ds in dc.DataSeriesList)
{
// Draw lines and symbols:
float xSymbol = legendRectangle.X + spacing + hlineLength;
float xText = legendRectangle.X + 2 * spacing + lineLength;
float yText = legendRectangle.Y + n * spacing + (2 * n - 1) * htextHeight;
aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
PointF ptStart = new PointF(legendRectangle.X + spacing, yText);
PointF ptEnd = new PointF(legendRectangle.X + spacing + lineLength, yText);
g.DrawLine(aPen, ptStart, ptEnd);
ds.SymbolStyle.DrawSymbol(g, new PointF(xSymbol, yText));
// Draw text:
StringFormat sFormat = new StringFormat();
sFormat.Alignment = StringAlignment.Near;
g.DrawString(ds.SeriesName, LegendFont, new SolidBrush(textColor),
new PointF(xText, yText - 8), sFormat);
n++;
}
}
aPen.Dispose();
aBrush.Dispose();
}
public void AddLegend(Graphics g, DataCollection dc, ChartStyle cs)
{
if (dc.DataSeriesList.Count < 1)
{
return;
}
if (!IsLegendVisible)
{
return;
}
int numberOfDataSeries = dc.DataSeriesList.Count;
string[] legendLabels = new string[dc.DataSeriesList.Count];
int n = 0;
foreach (DataSeries ds in dc.DataSeriesList)
{
legendLabels[n] = ds.SeriesName;
n++;
}
float offSet = 10;
float xc = 0f;
float yc = 0f;
SizeF size = g.MeasureString(legendLabels[0], LegendFont);
float legendWidth = size.Width;
for (int i = 0; i < legendLabels.Length; i++)
{
size = g.MeasureString(legendLabels[i], LegendFont);
float tempWidth = size.Width;
if (legendWidth < tempWidth)
legendWidth = tempWidth;
}
legendWidth = legendWidth + 50.0f;
float hWidth = legendWidth / 2;
float legendHeight = 18.0f * numberOfDataSeries;
float hHeight = legendHeight / 2;
switch (LegendPosition)
{
case LegendPositionEnum.East:
xc = cs.PlotArea.X + cs.PlotArea.Width - offSet - hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height / 2;
break;
case LegendPositionEnum.North:
xc = cs.PlotArea.X + cs.PlotArea.Width / 2;
yc = cs.PlotArea.Y + offSet + hHeight;
break;
case LegendPositionEnum.NorthEast:
xc = cs.PlotArea.X + cs.PlotArea.Width - offSet - hWidth;
yc = cs.PlotArea.Y + offSet + hHeight;
break;
case LegendPositionEnum.NorthWest:
xc = cs.PlotArea.X + offSet + hWidth;
yc = cs.PlotArea.Y + offSet + hHeight;
break;
case LegendPositionEnum.South:
xc = cs.PlotArea.X + cs.PlotArea.Width / 2;
yc = cs.PlotArea.Y + cs.PlotArea.Height - offSet - hHeight;
break;
case LegendPositionEnum.SouthEast:
xc = cs.PlotArea.X + cs.PlotArea.Width - offSet - hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height - offSet - hHeight;
break;
case LegendPositionEnum.SouthWest:
xc = cs.PlotArea.X + offSet + hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height - offSet - hHeight;
break;
case LegendPositionEnum.West:
xc = cs.PlotArea.X + offSet + hWidth;
yc = cs.PlotArea.Y + cs.PlotArea.Height / 2;
break;
}
DrawLegend(g, xc, yc, hWidth, hHeight, dc, cs);
}
public void AddLines(Graphics g, ChartStyle cs)
{
// Plot lines:
foreach (DataSeries ds in DataSeriesList)
{
if (ds.LineStyle.IsVisible == true)
{
Pen aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
if (ds.LineStyle.PlotMethod == LineStyle.PlotLinesMethodEnum.Lines)
{
for (int i = 1; i < ds.PointList.Count; i++)
{
if (!ds.IsY2Data)
{
g.DrawLine(aPen, cs.Point2D((PointF)ds.PointList[i - 1]),
cs.Point2D((PointF)ds.PointList[i]));
}
else
{
g.DrawLine(aPen, cs.Point2DY2((PointF)ds.PointList[i - 1]),
cs.Point2DY2((PointF)ds.PointList[i]));
}
}
}
else if (ds.LineStyle.PlotMethod == LineStyle.PlotLinesMethodEnum.Splines)
{
ArrayList al = new ArrayList();
for (int i = 0; i < ds.PointList.Count; i++)
{
PointF pt = (PointF)ds.PointList[i];
if (!ds.IsY2Data)
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.YLimMin && pt.Y <= cs.YLimMax)
{
al.Add(pt);
}
}
else
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.Y2LimMin && pt.Y <= cs.Y2LimMax)
{
al.Add(pt);
}
}
}
PointF[] pts = new PointF[al.Count];
for (int i = 0; i < pts.Length; i++)
{
if (!ds.IsY2Data)
{
pts[i] = cs.Point2D((PointF)(al[i]));
}
else
{
pts[i] = cs.Point2DY2((PointF)(al[i]));
}
}
g.DrawCurve(aPen, pts);
}
aPen.Dispose();
}
}
// Plot Symbols:
foreach (DataSeries ds in DataSeriesList)
{
for (int i = 0; i < ds.PointList.Count; i++)
{
PointF pt = (PointF)ds.PointList[i];
if (!ds.IsY2Data)
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.YLimMin && pt.Y <= cs.YLimMax)
{
ds.SymbolStyle.DrawSymbol(g, cs.Point2D((PointF)ds.PointList[i]));
}
}
else
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.Y2LimMin && pt.Y <= cs.Y2LimMax)
{
ds.SymbolStyle.DrawSymbol(g, cs.Point2DY2((PointF)ds.PointList[i]));
}
}
}
}
}
// Shared initialization code
void Initialize()
{
this.AutoresizingMask = NSViewResizingMask.HeightSizable | NSViewResizingMask.WidthSizable;
BackColor = Color.Wheat;
// Set Form1 size:
// this.Width = 350;
// this.Height = 300;
dc = new DataCollection();
cs = new ChartStyle(this);
lg = new Legend();
lg.IsLegendVisible = true;
lg.LegendPosition = Legend.LegendPositionEnum.NorthWest;
cs.IsY2Axis = true;
cs.IsXGrid = false;
cs.IsYGrid = false;
cs.TickFont = new Font("Arial", 7, FontStyle.Regular);
cs.TitleFont = new Font("Arial", 10, FontStyle.Regular);
cs.XLimMin = 0f;
cs.XLimMax = 30f;
cs.YLimMin = -20f;
cs.YLimMax = 20f;
cs.XTick = 5.0f;
cs.YTick = 5f;
cs.Y2LimMin = 100f;
cs.Y2LimMax = 700f;
cs.Y2Tick = 100f;
cs.XLabel = "X Axis";
cs.YLabel = "Y Axis";
cs.Y2Label = "Y2 Axis";
cs.Title = "With Y2 Axis";
}
public void AddLines(Graphics g, ChartStyle cs)
{
// Plot lines:
foreach (DataSeries ds in DataSeriesList)
{
if (ds.LineStyle.IsVisible == true)
{
Pen aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.Thickness);
aPen.DashStyle = ds.LineStyle.Pattern;
if (ds.LineStyle.PlotMethod == LineStyle.PlotLinesMethodEnum.Lines)
{
for (int i = 1; i < ds.PointList.Count; i++)
{
if (!ds.IsY2Data)
{
g.DrawLine(aPen, cs.Point2D((PointF)ds.PointList[i - 1]),
cs.Point2D((PointF)ds.PointList[i]));
}
else
{
g.DrawLine(aPen, cs.Point2DY2((PointF)ds.PointList[i - 1]),
cs.Point2DY2((PointF)ds.PointList[i]));
}
}
}
else if (ds.LineStyle.PlotMethod == LineStyle.PlotLinesMethodEnum.Splines)
{
ArrayList al = new ArrayList();
for (int i = 0; i < ds.PointList.Count; i++)
{
PointF pt = (PointF)ds.PointList[i];
if (!ds.IsY2Data)
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.YLimMin && pt.Y <= cs.YLimMax)
{
al.Add(pt);
}
}
else
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.Y2LimMin && pt.Y <= cs.Y2LimMax)
{
al.Add(pt);
}
}
}
PointF[] pts = new PointF[al.Count];
for (int i = 0; i < pts.Length; i++)
{
if (!ds.IsY2Data)
{
pts[i] = cs.Point2D((PointF)(al[i]));
}
else
{
pts[i] = cs.Point2DY2((PointF)(al[i]));
}
}
g.DrawCurve(aPen, pts);
}
aPen.Dispose();
}
}
// Plot Symbols:
foreach (DataSeries ds in DataSeriesList)
{
for (int i = 0; i < ds.PointList.Count; i++)
{
PointF pt = (PointF)ds.PointList[i];
if (!ds.IsY2Data)
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.YLimMin && pt.Y <= cs.YLimMax)
{
ds.SymbolStyle.DrawSymbol(g, cs.Point2D((PointF)ds.PointList[i]));
}
}
else
{
if (pt.X >= cs.XLimMin && pt.X <= cs.XLimMax &&
pt.Y >= cs.Y2LimMin && pt.Y <= cs.Y2LimMax)
{
ds.SymbolStyle.DrawSymbol(g, cs.Point2DY2((PointF)ds.PointList[i]));
}
}
}
}
}