public void AddLegend(Graphics g, DataSeries ds, ChartStyle cs)
{
if (ds.DataList.Count < 1)
{
return;
}
if (!IsLegendVisible)
{
return;
}
int numberOfDataValues = ds.DataList.Count;
string[] legendLabels = new string[ds.LabelList.Count];
for (int i = 0; i < ds.LabelList.Count; i++)
{
legendLabels[i] = (string)ds.LabelList[i];
}
// float offSet = 20;
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 + 35.0f;
float hWidth = legendWidth / 2;
float legendHeight = 18.0f * numberOfDataValues;
float hHeight = legendHeight / 2;
Rectangle rect = cs.SetPieArea();
xc = rect.X + rect.Width + cs.Offset + 20 + hWidth / 2;
yc = rect.Y + rect.Height / 2;
DrawLegend(g, xc, yc, hWidth, hHeight, ds, cs);
}
/*public void AddLabel(string str)
* {
* labelList.Clear();
* labelList.Add(str);
* }
*
* public void AddExplode(int nOffset)
* {
* explodeList.Clear();
* explodeList.Add(nOffset);
* }*/
public void AddPie(Graphics g, ChartStyle cs)
{
SolidBrush aBrush = new SolidBrush(Color.Black);
Pen aPen = new Pen(BorderColor);
int nData = DataList.Count;
float fSum = 0;
for (int i = 0; i < nData; i++)
{
fSum = fSum + (float)DataList[i];
}
float startAngle = 0;
float sweepAngle = 0;
Rectangle rect = cs.SetPieArea();
for (int i = 0; i < nData; i++)
{
Color fillColor = Color.FromArgb(CMap[i, 0], CMap[i, 1],
CMap[i, 2], CMap[i, 3]);
aBrush = new SolidBrush(fillColor);
int explode = (int)ExplodeList[i];
if (fSum < 1)
{
startAngle = startAngle + sweepAngle;
sweepAngle = 360 * (float)DataList[i];
}
else if (fSum >= 1)
{
startAngle = startAngle + sweepAngle;
sweepAngle = 360 * (float)DataList[i] / fSum;
}
int xshift = (int)(explode * Math.Cos((startAngle +
sweepAngle / 2) * Math.PI / 180));
int yshift = (int)(explode * Math.Sin((startAngle +
sweepAngle / 2) * Math.PI / 180));
Rectangle rect1 = new Rectangle(rect.X + xshift, rect.Y + yshift,
rect.Width, rect.Height);
g.FillPie(aBrush, rect1, startAngle, sweepAngle);
g.DrawPie(aPen, rect1, startAngle, sweepAngle);
}
}
/*public void AddLabel(string str)
{
labelList.Clear();
labelList.Add(str);
}
public void AddExplode(int nOffset)
{
explodeList.Clear();
explodeList.Add(nOffset);
}*/
public void AddPie(Graphics g, ChartStyle cs)
{
SolidBrush aBrush = new SolidBrush(Color.Black);
Pen aPen = new Pen(BorderColor);
int nData = DataList.Count;
float fSum = 0;
for (int i = 0; i < nData; i++)
{
fSum = fSum + (float)DataList[i];
}
float startAngle = 0;
float sweepAngle = 0;
Rectangle rect = cs.SetPieArea();
for (int i = 0; i < nData; i++)
{
Color fillColor = Color.FromArgb(CMap[i, 0], CMap[i, 1],
CMap[i, 2], CMap[i, 3]);
aBrush = new SolidBrush(fillColor);
int explode = (int)ExplodeList[i];
if (fSum < 1)
{
startAngle = startAngle + sweepAngle;
sweepAngle = 360 * (float)DataList[i];
}
else if (fSum >= 1)
{
startAngle = startAngle + sweepAngle;
sweepAngle = 360 * (float)DataList[i] / fSum;
}
int xshift = (int)(explode * Math.Cos((startAngle +
sweepAngle / 2) * Math.PI / 180));
int yshift = (int)(explode * Math.Sin((startAngle +
sweepAngle / 2) * Math.PI / 180));
Rectangle rect1 = new Rectangle(rect.X + xshift, rect.Y + yshift,
rect.Width, rect.Height);
g.FillPie(aBrush, rect1, startAngle, sweepAngle);
g.DrawPie(aPen, rect1, startAngle, sweepAngle);
}
}
public void AddLegend(Graphics g, DataSeries ds, ChartStyle cs)
{
if (ds.DataList.Count < 1)
{
return;
}
if (!IsLegendVisible)
{
return;
}
int numberOfDataValues = ds.DataList.Count;
string[] legendLabels = new string[ds.LabelList.Count];
for (int i = 0; i < ds.LabelList.Count;i++)
{
legendLabels[i] = (string)ds.LabelList[i];
}
// float offSet = 20;
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 + 35.0f;
float hWidth = legendWidth / 2;
float legendHeight = 18.0f * numberOfDataValues;
float hHeight = legendHeight / 2;
Rectangle rect = cs.SetPieArea();
xc = rect.X + rect.Width + cs.Offset + 20 + hWidth / 2;
yc = rect.Y + rect.Height / 2;
DrawLegend(g, xc, yc, hWidth, hHeight, ds, cs);
}
