public BarControl()
{
InitializeComponent();
this.cs = new ChartStyleGridlines();
this.dc = new DataCollectionBar();
this.ds = new DataSeriesBar();
cs.ChartCanvas = chartCanvas;
cs.TextCanvas = textCanvas;
}
/// <summary>
/// 绘制矩形图，根据BarChartType和ds数量确定Bar绘制方式。
/// 当BarChartType为Vertical或Horizontal，且ds数量大于1时，为多组柱图；其余情况为单柱图
/// </summary>
/// <param name="dc"></param>
/// <param name="g"></param>
/// <param name="cs"></param>
/// <param name="xa"></param>
/// <param name="ya"></param>
internal static void AddBars(DataCollectionBar dc, Graphics g, ChartStyle cs, XAxis xa, YAxis ya, Y2Axis y2a)
{
int numberOfDataSeries = dc.DataSeriesList.Count;
//比较各列个数，柱状图需统一个数，以最多个数为准
int nPoints = 0;
bool isConsistant = true;
bool isY2 = false;
foreach (DataSeries ds in dc.DataSeriesList)
{
if (nPoints < ds.PointList.Count)
{
nPoints = ds.PointList.Count;
}
if (ds.IsY2Data)
{
isY2 = true;
}
}
// Draw bars:
ArrayList temp = new ArrayList();
float[] tempy = new float[nPoints];
PointF temppt = new PointF();
int n = 0;
foreach (DataSeries ds in dc.DataSeriesList)
{
Pen aPen = new Pen(ds.LineStyle.LineColor, ds.LineStyle.LineThickness);
aPen.DashStyle = ds.LineStyle.LinePattern;
SolidBrush aBrush;
if (ds.FillColor != Color.Empty)
{
aBrush = new SolidBrush(ds.FillColor);
}
else
{
aBrush = new SolidBrush(Color.FromArgb(180, ds.LineStyle.LineColor));
}
PointF[] pts = new PointF[4];
PointF pt;
float width;
if (dc.BarChartType == BarChartTypeEnum.Vertical)
{
if (numberOfDataSeries == 1)
{
width = (float)xa.XTick * dc.BarWidth;
if (!isY2)
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
float x = pt.X - xa.XTick / 2;
pts[0] = cs.Point2D(new PointF(x - width / 2, 0), xa, ya);
pts[1] = cs.Point2D(new PointF(x + width / 2, 0), xa, ya);
pts[2] = cs.Point2D(new PointF(x + width / 2, pt.Y), xa, ya);
pts[3] = cs.Point2D(new PointF(x - width / 2, pt.Y), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
float x = pt.X - xa.XTick / 2;
pts[0] = cs.Point2DY2(new PointF(x - width / 2, 0), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(x + width / 2, 0), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(x + width / 2, pt.Y), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(x - width / 2, pt.Y), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
}
else if (numberOfDataSeries > 1)
{
//width = 0.7f * (float)xa.XTick;
dc.BarWidth = (dc.BarWidth > 0 && dc.BarWidth <= 1) ? dc.BarWidth : 0.95f;
width = (float)xa.XTick * dc.BarWidth;
if (!isY2)
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
float x = pt.X;// - (float)xa.XTick / 2
float w1 = width / numberOfDataSeries;
float w = dc.BarWidth * w1;
float space = (w1 - w) / 2;
pts[0] = cs.Point2D(new PointF(x - width / 2 + space + n * w1, 0), xa, ya);
pts[1] = cs.Point2D(new PointF(x - width / 2 + space + n * w1 + w, 0), xa, ya);
pts[2] = cs.Point2D(new PointF(x - width / 2 + space + n * w1 + w, pt.Y), xa, ya);
pts[3] = cs.Point2D(new PointF(x - width / 2 + space + n * w1, pt.Y), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
float x = pt.X - (float)xa.XTick / 2;
float w1 = width / numberOfDataSeries;
float w = dc.BarWidth * w1;
float space = (w1 - w) / 2;
pts[0] = cs.Point2DY2(new PointF(x - width / 2 + space + n * w1, 0), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(x - width / 2 + space + n * w1 + w, 0), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(x - width / 2 + space + n * w1 + w, pt.Y), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(x - width / 2 + space + n * w1, pt.Y), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
}
}
else if (dc.BarChartType == BarChartTypeEnum.VerticalOverlay && numberOfDataSeries > 1)
{
width = (float)xa.XTick * dc.BarWidth;
width = width / (float)Math.Pow(2, n);
if (!isY2)
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
float x = pt.X - xa.XTick / 2;
pts[0] = cs.Point2D(new PointF(x - width / 2, 0), xa, ya);
pts[1] = cs.Point2D(new PointF(x + width / 2, 0), xa, ya);
pts[2] = cs.Point2D(new PointF(x + width / 2, pt.Y), xa, ya);
pts[3] = cs.Point2D(new PointF(x - width / 2, pt.Y), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
float x = pt.X - xa.XTick / 2;
pts[0] = cs.Point2DY2(new PointF(x - width / 2, 0), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(x + width / 2, 0), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(x + width / 2, pt.Y), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(x - width / 2, pt.Y), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
}
else if (dc.BarChartType == BarChartTypeEnum.VerticalStack && numberOfDataSeries > 1)
{
width = xa.XTick * dc.BarWidth;
if (!isY2)
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
if (temp.Count > 0)
{
tempy[i] = tempy[i] + ((PointF)temp[i]).Y;
}
float x = pt.X - xa.XTick / 2;
pts[0] = cs.Point2D(new PointF(x - width / 2, 0 + tempy[i]), xa, ya);
pts[1] = cs.Point2D(new PointF(x + width / 2, 0 + tempy[i]), xa, ya);
pts[2] = cs.Point2D(new PointF(x + width / 2, pt.Y + tempy[i]), xa, ya);
pts[3] = cs.Point2D(new PointF(x - width / 2, pt.Y + tempy[i]), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
for (int i = 0; i < ds.PointList.Count; i++)
{
pt = (PointF)ds.PointList[i];
if (temp.Count > 0)
{
tempy[i] = tempy[i] + ((PointF)temp[i]).Y;
}
float x = pt.X - xa.XTick / 2;
pts[0] = cs.Point2DY2(new PointF(x - width / 2, 0 + tempy[i]), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(x + width / 2, 0 + tempy[i]), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(x + width / 2, pt.Y + tempy[i]), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(x - width / 2, pt.Y + tempy[i]), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
temp = ds.PointList;
}
else if (dc.BarChartType == BarChartTypeEnum.Horizontal)
{
if (numberOfDataSeries == 1)
{
if (!isY2)
{
width = ya.YTick * dc.BarWidth;
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
float y = pt.Y - ya.YTick / 2;
pts[0] = cs.Point2D(new PointF(0, y - width / 2), xa, ya);
pts[1] = cs.Point2D(new PointF(0, y + width / 2), xa, ya);
pts[2] = cs.Point2D(new PointF(pt.X, y + width / 2), xa, ya);
pts[3] = cs.Point2D(new PointF(pt.X, y - width / 2), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
width = y2a.Y2Tick * dc.BarWidth;
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
float y = pt.Y - y2a.Y2Tick / 2;
pts[0] = cs.Point2DY2(new PointF(0, y - width / 2), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(0, y + width / 2), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(pt.X, y + width / 2), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(pt.X, y - width / 2), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
}
else if (numberOfDataSeries > 1)
{
//width = 0.7f * ya.YTick;
dc.BarWidth = (dc.BarWidth > 0 && dc.BarWidth <= 1) ? dc.BarWidth : 0.95f;
if (!isY2)
{
width = (float)ya.YTick * dc.BarWidth;
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
float w1 = width / numberOfDataSeries;
float w = dc.BarWidth * w1;
float space = (w1 - w) / 2;
float y = pt.Y - ya.YTick / 2;
pts[0] = cs.Point2D(new PointF(0,
y - width / 2 + space + n * w1), xa, ya);
pts[1] = cs.Point2D(new PointF(0,
y - width / 2 + space + n * w1 + w), xa, ya);
pts[2] = cs.Point2D(new PointF(pt.X,
y - width / 2 + space + n * w1 + w), xa, ya);
pts[3] = cs.Point2D(new PointF(pt.X,
y - width / 2 + space + n * w1), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
width = (float)y2a.Y2Tick * dc.BarWidth;
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
float w1 = width / numberOfDataSeries;
float w = dc.BarWidth * w1;
float space = (w1 - w) / 2;
float y = pt.Y - y2a.Y2Tick / 2;
pts[0] = cs.Point2DY2(new PointF(0,
y - width / 2 + space + n * w1), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(0,
y - width / 2 + space + n * w1 + w), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(pt.X,
y - width / 2 + space + n * w1 + w), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(pt.X,
y - width / 2 + space + n * w1), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
}
}
else if (dc.BarChartType == BarChartTypeEnum.HorizontalOverlay && numberOfDataSeries > 1)
{
if (!isY2)
{
width = ya.YTick * dc.BarWidth;
width = width / (float)Math.Pow(2, n);
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
float y = pt.Y - ya.YTick / 2;
pts[0] = cs.Point2D(new PointF(0, y - width / 2), xa, ya);
pts[1] = cs.Point2D(new PointF(0, y + width / 2), xa, ya);
pts[2] = cs.Point2D(new PointF(pt.X, y + width / 2), xa, ya);
pts[3] = cs.Point2D(new PointF(pt.X, y - width / 2), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
width = y2a.Y2Tick * dc.BarWidth;
width = width / (float)Math.Pow(2, n);
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
float y = pt.Y - y2a.Y2Tick / 2;
pts[0] = cs.Point2DY2(new PointF(0, y - width / 2), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(0, y + width / 2), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(pt.X, y + width / 2), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(pt.X, y - width / 2), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
}
else if (dc.BarChartType == BarChartTypeEnum.HorizontalStack && numberOfDataSeries > 1)
{
if (!isY2)
{
width = ya.YTick * dc.BarWidth;
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
if (temp.Count > 0)
{
temppt = (PointF)temp[i];
tempy[i] = tempy[i] + temppt.Y;
}
float y = pt.Y - ya.YTick / 2;
pts[0] = cs.Point2D(new PointF(0 + tempy[i], y - width / 2), xa, ya);
pts[1] = cs.Point2D(new PointF(0 + tempy[i], y + width / 2), xa, ya);
pts[2] = cs.Point2D(new PointF(pt.X + tempy[i], y + width / 2), xa, ya);
pts[3] = cs.Point2D(new PointF(pt.X + tempy[i], y - width / 2), xa, ya);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
else
{
width = y2a.Y2Tick * dc.BarWidth;
for (int i = 0; i < ds.PointList.Count; i++)
{
temppt = (PointF)ds.PointList[i];
pt = new PointF(temppt.Y, temppt.X);
if (temp.Count > 0)
{
temppt = (PointF)temp[i];
tempy[i] = tempy[i] + temppt.Y;
}
float y = pt.Y - y2a.Y2Tick / 2;
pts[0] = cs.Point2DY2(new PointF(0 + tempy[i], y - width / 2), xa, y2a);
pts[1] = cs.Point2DY2(new PointF(0 + tempy[i], y + width / 2), xa, y2a);
pts[2] = cs.Point2DY2(new PointF(pt.X + tempy[i], y + width / 2), xa, y2a);
pts[3] = cs.Point2DY2(new PointF(pt.X + tempy[i], y - width / 2), xa, y2a);
g.FillPolygon(aBrush, pts);
if (ds.LineStyle.IsVisible)
{
g.DrawPolygon(aPen, pts);
}
}
}
temp = ds.PointList;
}
n++;
aPen.Dispose();
aBrush.Dispose();
}
}
