Ejemplo n.º 1
0
        /// <summary>
        /// Create a box-info instance from an existing BarList
        /// </summary>
        /// <param name="bl">The barlist.</param>
        /// <returns>a BoxInfo</returns>
        public static BoxInfo FromBarList(BarList bl)
        {
            BoxInfo bi = new BoxInfo();

            if (!bl.HasBar())
            {
                return(bi);
            }
            bi.High = BarMath.HH(bl);
            bi.Low  = BarMath.LL(bl);
            bi.Open = bl[0].Open;
            return(bi);
        }
Ejemplo n.º 2
0
        public Stock ToStock()
        {
            if (!HasBar())
            {
                throw new Exception("Can't generate a stock instance from an empty barlist!");
            }
            Stock s = new Stock(Symbol, this.RecentBar.Bardate);

            s.DayHigh  = BarMath.HH(this);
            s.DayLow   = BarMath.LL(this);
            s.DayOpen  = this[0].Open;
            s.DayClose = this.RecentBar.Close;
            return(s);
        }
Ejemplo n.º 3
0
        void Chart_Paint(object sender, PaintEventArgs e)
        {
            if (bl != null)
            {
                highesth = BarMath.HH(bl);
                lowestl  = BarMath.LL(bl);
                barc     = bl.Count;
            }
            if ((bl == null) || (bl.Count == 0))
            {
                return;
            }
            Text         = Title;
            r            = ClientRectangle;
            pixperbar    = (((decimal)r.Width - (decimal)border - ((decimal)border / 3)) / (decimal)barc);
            pixperdollar = (((decimal)r.Height - (decimal)border * 2) / (highesth - lowestl));
            Pen p = new Pen(Color.Black);

            g = e.Graphics;
            Form f = (Form)sender;

            g.Clear(f.BackColor);

            Color fgcol = (f.BackColor == Color.Black) ? Color.White : Color.Black;

            // x-axis
            g.DrawLine(new Pen(fgcol), (int)(border / 3), r.Height - border, r.Width - border, r.Height - border);
            // y-axis
            g.DrawLine(new Pen(fgcol), r.Width - border, r.Y + border, r.Width - border, r.Height - border);

            const int minxlabelwidth = 15;

            int lastlabelcoord = -500;

            for (int i = 0; i < barc; i++)
            {
                Color bcolor = (bl.Get(i).Close > bl.Get(i).Open) ? Color.Green : Color.Red;
                p = new Pen(bcolor);
                // draw high/low bar
                g.DrawLine(p, getX(i), getY(bl.Get(i).Low), getX(i), getY(bl.Get(i).High));
                // draw open bar
                g.DrawLine(p, getX(i), getY(bl.Get(i).Open), getX(i) - (int)(pixperbar / 3), getY(bl.Get(i).Open));
                // draw close bar
                g.DrawLine(p, getX(i), getY(bl.Get(i).Close), getX(i) + (int)(pixperbar / 3), getY(bl.Get(i).Close));
                // draw time labels (time @30min and date@noon)

                if (bl.Int != BarInterval.Day)
                {
                    if ((i % 6) == 0)
                    {
                        g.DrawString(bl.Get(i).Bartime.ToString(), f.Font, new SolidBrush(fgcol), getX(i), r.Height - (f.Font.GetHeight() * 3));
                    }
                    if (bl.Get(i).Bartime == 1200)
                    {
                        g.DrawString(bl.Get(i).Bardate.ToString(), f.Font, new SolidBrush(fgcol), getX(i), r.Height - (float)(f.Font.GetHeight() * 1.5));
                    }
                }
                else
                {
                    int[] date        = BarMath.Date(bl.Get(i).Bardate);
                    int[] lastbardate = date;
                    if ((i - 1) > 0)
                    {
                        lastbardate = BarMath.Date(bl.Get(i - 1).Bardate);
                    }
                    if ((getX(lastlabelcoord) + minxlabelwidth) <= getX(i))
                    {
                        lastlabelcoord = i;
                        g.DrawString(date[2].ToString(), f.Font, new SolidBrush(fgcol), getX(i), r.Height - (f.Font.GetHeight() * 3));
                    }
                    if ((i == 0) || (lastbardate[1] != date[1]))
                    {
                        string ds = date[1].ToString();
                        if ((i == 0) || (lastbardate[0] != date[0]))
                        {
                            ds += '/' + date[0].ToString();
                        }
                        g.DrawString(ds, f.Font, new SolidBrush(fgcol), getX(i), r.Height - (float)(f.Font.GetHeight() * 1.5));
                    }
                }
            }

            // DRAW YLABELS
            // max number of even intervaled ylabels possible on yaxis
            int numlabels = (int)((r.Height - border * 2) / (f.Font.GetHeight() * 1.5));
            // nearest price units giving "pretty" even intervaled ylabels
            decimal priceunits = NearestPrettyPriceUnits(highesth - lowestl, numlabels);
            // starting price point from low end of range, including lowest low in barlist
            decimal lowstart = lowestl - ((lowestl * 100) % (priceunits * 100)) / 100;
            // original "non-pretty" price units calc
            //decimal priceunits = (highesth-lowestl)/numlabels;
            Pen priceline = new Pen(Color.BlueViolet);

            priceline.DashStyle = System.Drawing.Drawing2D.DashStyle.Dot;

            for (decimal i = 0; i <= numlabels; i++)
            {
                decimal price = lowstart + (i * priceunits);
                g.DrawString(price.ToString("C"), f.Font, new SolidBrush(fgcol), r.Width - border, getY(price) - f.Font.GetHeight());
                g.DrawLine(priceline, border / 3, getY(price), r.Width - border, getY(price));
            }
            DrawLabels();
        }