private void AddOptionLevel(OptionData opt, bool isMedian)
{
var color = isMedian ? Color.Green : opt.Type == OptionType.PUT ? colorPut : colorGet;
var linePart = new SpanWithText
{
Price = opt.OptionLevelClose,
LineColor = color,
Name = string.Format("{0} {1:f4} OI:{2}", opt.Type, opt.OptionLevelClose, opt.OpenInterest)
};
var indexStart = owner.StockSeries.GetIndexByCandleOpen(opt.DatePublished);
var indexEnd = owner.StockSeries.GetIndexByCandleOpen(opt.DatePublished.AddHours(LengthHours));
// проверить расстояние до рынка в пп
// как мин. расстояние до уровня
if (MaxPointsDistanceToShow > 0)
{
var candles = owner.StockSeries.Data.Candles;
var distanceAbs = float.MaxValue;
for (var i = indexStart < 0 ? 0 : indexStart; i < indexEnd; i++)
{
if (i >= candles.Count) break;
var dist = Math.Min(
Math.Abs(candles[i].high - opt.OptionLevelClose),
Math.Abs(candles[i].low - opt.OptionLevelClose));
if (dist < distanceAbs) distanceAbs = dist;
}
var distPoints = DalSpot.Instance.GetPointsValue(owner.Symbol, distanceAbs);
if (distPoints > MaxPointsDistanceToShow) return;
}
linePart.StartIndex = indexStart;
linePart.EndIndex = indexEnd;
var daysLeft = (opt.DateExpiration - opt.DatePublished).TotalDays;
if (daysLeft <= daysToHighlight) linePart.LineWidth = 2;
// показать метки
if (LabelLeft != LevelLabel.Нет) AddOptionLabel(linePart, LabelLeft, true, opt);
if (LabelRight != LevelLabel.Нет) AddOptionLabel(linePart, LabelRight, false, opt);
seriesSpan.data.Add(linePart);
// подсказка по уровню
lineHints.Add(linePart, string.Format("{0:f4}{1} {2} (strike:{3:f4} close:{4:f4} OI:{5} volm:{6})",
opt.OptionLevelClose,
opt.Type,
opt.Style == OptionStyle.American ? "AM" : "EU",
opt.StrikePrice,
opt.ContractClose,
opt.OpenInterest,
opt.Volume));
}
private bool IsInLine(SpanWithText line, int x, int y, int tolerance)
{
// чувствительность, пикс
if (seriesSpan.Owner == null) return false;
// расстояние до прямой в экранных коорд.
var ptA = Conversion.WorldToScreen(new PointD(line.StartIndex, (double)line.Price),
seriesSpan.Owner.WorldRect, seriesSpan.Owner.CanvasRect);
var ptB = Conversion.WorldToScreen(new PointD(line.EndIndex, (double)line.Price),
seriesSpan.Owner.WorldRect, seriesSpan.Owner.CanvasRect);
//screenPointA = seriesSpan.Owner.CanvasPointToClientPoint(screenPointA);
//screenPointB = seriesSpan.Owner.CanvasPointToClientPoint(screenPointB);
var distX = x < ptA.X ? (ptA.X - x) : x > ptB.X ? (ptB.X - x) : 0;
var distY = Math.Abs(y - ptA.Y);
return distX < tolerance && distY < tolerance;
}
private static void AddOptionLabel(SpanWithText span, LevelLabel label, bool isLeft, OptionData opt)
{
string text = label == LevelLabel.Объем
? opt.Volume.ToString()
: label == LevelLabel.ОткрИнтерес
? opt.OpenInterest.ToString()
: string.Format("{0:MMMyy}", opt.DateExpiration);
if (isLeft) span.TextLeft = text;
else span.TextRight = text;
}
