private static void DrawDealEventShape(string title, Graphics g,
Font font, Pen pen, Brush foreBrush, Brush backBrush, PointD center, int diam, DealEventSymbol symb)
{
if (symb == DealEventSymbol.Circle)
{
// усики
g.DrawLine(pen,
(int)center.X - diam * 2, (int)center.Y,
(int)center.X - diam / 2, (int)center.Y);
g.DrawLine(pen,
(int)center.X + diam / 2, (int)center.Y,
(int)center.X + diam * 2, (int)center.Y);
// кружок с заливкой
g.FillEllipse(backBrush, (int)center.X - diam / 2, (int)center.Y - diam / 2, diam, diam);
g.DrawEllipse(pen, (int)center.X - diam / 2, (int)center.Y - diam / 2, diam, diam);
}
if (symb == DealEventSymbol.Diamond)
{
var points = new[]
{
new Point((int)center.X - diam / 2, (int)center.Y),
new Point((int)center.X, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y),
new Point((int)center.X, (int)center.Y + diam / 2)
};
g.FillPolygon(backBrush, points);
g.DrawPolygon(pen, points);
}
if (symb == DealEventSymbol.TagUp)
{
diam -= 2;
var points = new[]
{
new Point((int)center.X + diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X - diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X - diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X, (int)center.Y - (int)(diam / 1.25))
};
g.FillPolygon(backBrush, points);
g.DrawPolygon(pen, points);
}
if (symb == DealEventSymbol.TagDown)
{
diam -= 2;
var points = new[]
{
new Point((int)center.X - diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X - diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X, (int)center.Y + (int)(diam / 1.25))
};
g.FillPolygon(backBrush, points);
g.DrawPolygon(pen, points);
}
g.DrawString(title, font, foreBrush, (float)center.X, (float)center.Y,
new StringFormat {
Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center
});
}
///// <summary>
///// связать пунктирными дугами локированные сделки
///// </summary>
//private void ConnectLockedDeals(Graphics g, RectangleD worldRect, Rectangle canvasRect)
//{
// if (!LinkLockingDeals) return;
// var pens = new[]
// {
// new Pen(Color.Green) { DashStyle = DashStyle.Dot },
// new Pen(Color.Red) { DashStyle = DashStyle.Dot },
// new Pen(Color.Blue) { DashStyle = DashStyle.Dot },
// new Pen(Color.Purple) { DashStyle = DashStyle.Dot },
// new Pen(Color.Black) { DashStyle = DashStyle.Dot }
// };
// // - 1 - разбить на подмножества по принадлежности к серии
// var lockLists = new Dictionary<int, List<Position>>();
// foreach (var deal in deals)
// {
// if (deal.LockingSeriesID == 0) continue;
// if (lockLists.ContainsKey(deal.LockingSeriesID))
// lockLists[deal.LockingSeriesID].Add(deal);
// else
// lockLists.Add(deal.LockingSeriesID, new List<IVirtualDeal> { deal });
// }
// // - 2 - упорядочить каждую серию по времени открытия
// foreach (var list in lockLists.Values)
// {
// list.Sort((a, b) => a.EntryTime > b.EntryTime ? 1 : a.EntryTime == b.EntryTime ? 0 : -1);
// }
// // - 3 - соединить дугами
// var bendCurveUp = true;
// var penIndex = 0;
// foreach (var list in lockLists.Values)
// {
// for (var i = 1; i < list.Count; i++)
// {
// ConnectLockedPair(list[i], list[i - 1], g, pens[penIndex], worldRect, canvasRect, bendCurveUp);
// bendCurveUp = !bendCurveUp;
// }
// penIndex++;
// if (penIndex >= pens.Length) penIndex = 0;
// }
//}
///// <summary>
///// связать две локированные сделки
///// </summary>
//private void ConnectLockedPair(IVirtualDeal a, IVirtualDeal b, Graphics g, Pen p,
// RectangleD worldRect, Rectangle canvasRect, bool bendUp)
//{
// double chartX = Chart.CandleRange.GetXCoord(a.EntryTime);
// var centerA = Conversion.WorldToScreen(new PointD(chartX, (double)a.EntryPrice), worldRect, canvasRect);
// chartX = Chart.CandleRange.GetXCoord(b.EntryTime);
// var centerB = Conversion.WorldToScreen(new PointD(chartX, (double)b.EntryPrice), worldRect, canvasRect);
// var cX = (int)(centerA.X + centerB.X)/2;
// var abLen = (centerA.X - centerB.X)*(centerA.X - centerB.X)
// + (centerA.Y - centerB.Y)*(centerA.Y - centerB.Y);
// abLen = Math.Sqrt(abLen);
// var cY = bendUp
// ? (int) (Math.Min(centerA.Y, centerB.Y) + abLen/2)
// : (int) (Math.Max(centerA.Y, centerB.Y) - abLen/2);
// var points = new []
// { new Point((int) centerA.X, (int) centerA.Y),
// new Point(cX, cY),
// new Point((int) centerB.X, (int) centerB.Y) };
// g.DrawCurve(p, points);
//}
private void DrawDealEvent(DateTime time, float price, string title, Graphics g,
RectangleD worldRect, Rectangle canvasRect,
Font font, Pen pen, Brush foreBrush, Brush backBrush, DealEventSymbol smb)
{
double chartX = Chart.CandleRange.GetXCoord(time);
var center = Conversion.WorldToScreen(new PointD(chartX, price), worldRect, canvasRect);
var sz = g.MeasureString(title, font);
var diam = (int)Math.Max(sz.Width, sz.Height) + 1;
DrawDealEventShape(title, g, font, pen, foreBrush, backBrush, center, diam, smb);
}
///// <summary>
///// связать пунктирными дугами локированные сделки
///// </summary>
//private void ConnectLockedDeals(Graphics g, RectangleD worldRect, Rectangle canvasRect)
//{
// if (!LinkLockingDeals) return;
// var pens = new[]
// {
// new Pen(Color.Green) { DashStyle = DashStyle.Dot },
// new Pen(Color.Red) { DashStyle = DashStyle.Dot },
// new Pen(Color.Blue) { DashStyle = DashStyle.Dot },
// new Pen(Color.Purple) { DashStyle = DashStyle.Dot },
// new Pen(Color.Black) { DashStyle = DashStyle.Dot }
// };
// // - 1 - разбить на подмножества по принадлежности к серии
// var lockLists = new Dictionary<int, List<Position>>();
// foreach (var deal in deals)
// {
// if (deal.LockingSeriesID == 0) continue;
// if (lockLists.ContainsKey(deal.LockingSeriesID))
// lockLists[deal.LockingSeriesID].Add(deal);
// else
// lockLists.Add(deal.LockingSeriesID, new List<IVirtualDeal> { deal });
// }
// // - 2 - упорядочить каждую серию по времени открытия
// foreach (var list in lockLists.Values)
// {
// list.Sort((a, b) => a.EntryTime > b.EntryTime ? 1 : a.EntryTime == b.EntryTime ? 0 : -1);
// }
// // - 3 - соединить дугами
// var bendCurveUp = true;
// var penIndex = 0;
// foreach (var list in lockLists.Values)
// {
// for (var i = 1; i < list.Count; i++)
// {
// ConnectLockedPair(list[i], list[i - 1], g, pens[penIndex], worldRect, canvasRect, bendCurveUp);
// bendCurveUp = !bendCurveUp;
// }
// penIndex++;
// if (penIndex >= pens.Length) penIndex = 0;
// }
//}
///// <summary>
///// связать две локированные сделки
///// </summary>
//private void ConnectLockedPair(IVirtualDeal a, IVirtualDeal b, Graphics g, Pen p,
// RectangleD worldRect, Rectangle canvasRect, bool bendUp)
//{
// double chartX = Chart.CandleRange.GetXCoord(a.EntryTime);
// var centerA = Conversion.WorldToScreen(new PointD(chartX, (double)a.EntryPrice), worldRect, canvasRect);
// chartX = Chart.CandleRange.GetXCoord(b.EntryTime);
// var centerB = Conversion.WorldToScreen(new PointD(chartX, (double)b.EntryPrice), worldRect, canvasRect);
// var cX = (int)(centerA.X + centerB.X)/2;
// var abLen = (centerA.X - centerB.X)*(centerA.X - centerB.X)
// + (centerA.Y - centerB.Y)*(centerA.Y - centerB.Y);
// abLen = Math.Sqrt(abLen);
// var cY = bendUp
// ? (int) (Math.Min(centerA.Y, centerB.Y) + abLen/2)
// : (int) (Math.Max(centerA.Y, centerB.Y) - abLen/2);
// var points = new []
// { new Point((int) centerA.X, (int) centerA.Y),
// new Point(cX, cY),
// new Point((int) centerB.X, (int) centerB.Y) };
// g.DrawCurve(p, points);
//}
private void DrawDealEvent(DateTime time, float price, string title, Graphics g,
RectangleD worldRect, Rectangle canvasRect,
Font font, Pen pen, Brush foreBrush, Brush backBrush, DealEventSymbol smb)
{
double chartX = Chart.CandleRange.GetXCoord(time);
var center = Conversion.WorldToScreen(new PointD(chartX, price), worldRect, canvasRect);
var sz = g.MeasureString(title, font);
var diam = (int)Math.Max(sz.Width, sz.Height) + 1;
DrawDealEventShape(title, g, font, pen, foreBrush, backBrush, center, diam, smb);
}
private static void DrawDealEventShape(string title, Graphics g,
Font font, Pen pen, Brush foreBrush, Brush backBrush, PointD center, int diam, DealEventSymbol symb)
{
if (symb == DealEventSymbol.Circle)
{
// усики
g.DrawLine(pen,
(int)center.X - diam * 2, (int)center.Y,
(int)center.X - diam / 2, (int)center.Y);
g.DrawLine(pen,
(int)center.X + diam / 2, (int)center.Y,
(int)center.X + diam * 2, (int)center.Y);
// кружок с заливкой
g.FillEllipse(backBrush, (int) center.X - diam/2, (int) center.Y - diam/2, diam, diam);
g.DrawEllipse(pen, (int) center.X - diam/2, (int) center.Y - diam/2, diam, diam);
}
if (symb == DealEventSymbol.Diamond)
{
var points = new[]
{
new Point((int)center.X - diam / 2, (int)center.Y),
new Point((int)center.X, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y),
new Point((int)center.X, (int)center.Y + diam / 2)
};
g.FillPolygon(backBrush, points);
g.DrawPolygon(pen, points);
}
if (symb == DealEventSymbol.TagUp)
{
diam -= 2;
var points = new[]
{
new Point((int)center.X + diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X - diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X - diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X, (int)center.Y - (int)(diam / 1.25))
};
g.FillPolygon(backBrush, points);
g.DrawPolygon(pen, points);
}
if (symb == DealEventSymbol.TagDown)
{
diam -= 2;
var points = new[]
{
new Point((int)center.X - diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X - diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y - diam / 2),
new Point((int)center.X + diam / 2, (int)center.Y + diam / 2),
new Point((int)center.X, (int)center.Y + (int)(diam / 1.25))
};
g.FillPolygon(backBrush, points);
g.DrawPolygon(pen, points);
}
g.DrawString(title, font, foreBrush, (float)center.X, (float)center.Y,
new StringFormat { Alignment = StringAlignment.Center, LineAlignment = StringAlignment.Center });
}