/// <summary> Добавляем цену и объем в коллекцию </summary>
/// <param name="price"></param>
/// <param name="volume"></param>
public void Add(decimal price, long volume, bool isBuy)
{
lock (syncLock)
{
var elem = Collection.FirstOrDefault(e => e.Price == price);
if (elem.IsNull())
{
elem = new ChartFull()
{
Price = price, VolBuy = 0, VolSell = 0
};
Collection.Add(elem);
}
initMinMax(elem);
if (elem.NotIsNull())
{
if (isBuy)
{
elem.VolBuy += volume;
elem.CountSell++;
if (Max.Buy.Volume < elem.VolBuy)
{
Max.Buy.Price = elem.Price;
Max.Buy.Volume = elem.VolBuy;
}
}
else
{
elem.VolSell += volume;
elem.CountSell++;
if (Max.Sell.Volume < elem.VolSell)
{
Max.Sell.Price = elem.Price;
Max.Sell.Volume = elem.VolSell;
}
}
if (Max.Volume.Volume < elem.VolBuy + elem.VolSell)
{
Max.Volume.Price = elem.Price;
Max.Volume.Volume = elem.VolBuy + elem.VolSell;
}
if (Min.Volume.Volume > elem.VolBuy + elem.VolSell)
{
Min.Volume.Price = elem.Price;
Min.Volume.Volume = elem.VolBuy + elem.VolSell;
}
if (Max.DVolume.Volume < elem.VolBuy - elem.VolSell)
{
Max.DVolume.Price = elem.Price;
Max.DVolume.Volume = elem.VolBuy - elem.VolSell;
}
if (Min.DVolume.Volume > elem.VolBuy - elem.VolSell)
{
Min.DVolume.Price = elem.Price;
Min.DVolume.Volume = elem.VolBuy - elem.VolSell;
}
}
}
}
private void initMinMax(ChartFull elem)
{
if (Min.IsNull())
{
Min = new Attr();
}
if (Max.IsNull())
{
Max = new Attr();
}
if (Max.Buy.IsNull())
{
Max.Buy = new Chart()
{
Price = elem.Price, Volume = elem.VolBuy
};
}
if (Max.Sell.IsNull())
{
Max.Sell = new Chart()
{
Price = elem.Price, Volume = elem.VolSell
};
}
if (Max.Volume.IsNull())
{
Max.Volume = new Chart()
{
Price = elem.Price, Volume = MIN
};
}
if (Min.Volume.IsNull())
{
Min.Volume = new Chart()
{
Price = elem.Price, Volume = MAX
};
}
if (Max.DVolume.IsNull())
{
Max.DVolume = new Chart()
{
Price = elem.Price, Volume = MIN
};
}
if (Min.DVolume.IsNull())
{
Min.DVolume = new Chart()
{
Price = elem.Price, Volume = MAX
};
}
}
/// <summary>
/// Рисует линию горизонтального объема
/// </summary>
private int PaintLineHVol(Graphics canvas, RectangleF rect, Chart maxElem, Chart minElem, ChartFull hv, Color?colorVol = null, bool isDelta = false)
{
var widthLayoutVolume = rect.Width;
var value = hv.VolBuy + hv.VolSell;
if (isDelta)
{
value = hv.VolBuy - hv.VolSell;
}
float y = GMath.GetCoordinate(Panel.Rect.Height, Panel.Params.MaxPrice, Panel.Params.MinPrice, hv.Price);
var height = GMath.GetCoordinate(Panel.Rect.Height, Panel.Params.MaxPrice, Panel.Params.MinPrice, hv.Price - Panel.Params.MinStepPrice) - y;
if (y == 0 || y == Panel.Rect.Height)
{
return(-1);
}
int x1 = 0, x2 = 0;
if (value < 0)
{
x1 = GMath.GetCoordinate(widthLayoutVolume, maxElem.Volume, minElem.Volume, value);
x2 = GMath.GetCoordinate(widthLayoutVolume, maxElem.Volume, minElem.Volume, 0);
}
else
{
x1 = GMath.GetCoordinate(widthLayoutVolume, maxElem.Volume, minElem.Volume, 0);
x2 = GMath.GetCoordinate(widthLayoutVolume, maxElem.Volume, minElem.Volume, value);
}
var p1 = new PointF(rect.X + widthLayoutVolume - x1, y);
var p2 = new PointF(rect.X + widthLayoutVolume - x2, y);
RectDraw rectVol = new RectDraw();
var color = ColorVol;
if (isDelta)
{
if (value < 0)
{
color = this.ColorDeltaNegative;
}
else
{
color = this.ColorDeltaPositive;
}
}
if (maxElem.Price == hv.Price)
{
color = ColorMaxVol;
}
if (minElem.Price == hv.Price)
{
color = ColorMaxVol;
}
if (colorVol.NotIsNull())
{
color = (Color)colorVol;
}
rectVol.ColorBorder = color;
rectVol.ColorFill = color;
rectVol.Paint(canvas, p1.X, y - height / 2, p2.X - p1.X, height - 1 <= 0 ? 1 : height - 1);
return(0);
}
