SetPieArea() public method

public SetPieArea ( ) : Rectangle
return System.Drawing.Rectangle
        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);
            }
        }
Beispiel #4
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        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);
        }