public void PaintLevels(Graphics canvas, Rectangle rectPaint)
{
if (this.CollectionLevels.IsNull())
{
return;
}
this.CountLevels = this.CollectionLevels.Count();
if (this.CountLevels == 0)
{
return;
}
if (this.CountLevels < MinCountLevels)
{
this.CountLevels = MinCountLevels;
}
int index = 1;
foreach (var valLevel in this.CollectionLevels)
{
//*****************************
this.PaintOneLevel(canvas, rectPaint, valLevel.Volume, index);
index++;
}
GraphicShape.PaintLine(canvas, new Point(rectPaint.X, rectPaint.Y), new Point(rectPaint.X + rectPaint.Width, rectPaint.Y), Color.Black);
PanelValues.CurrentValue = this.CollectionLevels.ElementAt(0).Volume;
PanelValues.RectPaint = rectPaint;
PanelValues.ColorLines = Color.DarkGray;
PanelValues.minStepPrice = this.MinStepPrice;
PanelValues.PaintPrices(canvas, this.Max, this.Min);
PanelValues.PaintCurrentValue(canvas, this.Max, this.Min);
}
private void PaintOneLevel(Graphics canvas, Rectangle rectPaint, MarketObject.Chart Value, decimal MaxPrice, decimal MinPrice)
{
int y = GraphicShape.GetCoordinate(rectPaint.Height, MaxPrice, MinPrice, Value.Price);
int x1 = rectPaint.X + GraphicShape.GetCoordinate(rectPaint.Width, this.Max, this.Min, Value.Volume > 0 ? 0 : Value.Volume);
int x2 = rectPaint.X + GraphicShape.GetCoordinate(rectPaint.Width, this.Max, this.Min, Value.Volume < 0 ? 0 : Value.Volume);
GraphicShape.PaintLine(canvas, new Point(x1, y), new Point(x2, y), Value.Volume < 0 ? Color.Red : Color.Green, 2);
}
/// <summary>
/// Рисует вертикальнцю линию с надписью
/// </summary>
/// <param name="g"></param>
/// <param name="rectPaint"></param>
/// <param name="ValText"></param>
/// <param name="pStart"></param>
/// <param name="pEnd"></param>
/// <param name="color"></param>
/// <param name="WidthLine"></param>
/// <param name="TextVAlign"></param>
public static void PaintVLine(Graphics g, Rectangle rectPaint, string ValText, Point pStart, Point pEnd, Color color, int WidthLine = 1, string TextVAlign = "bottom")
{
int WidthText = Convert.ToInt32(ValText.Length * 6.5);
int HeightText = 12;
pEnd.Y -= HeightText;
//ВЫравнивание лейбла
switch (TextVAlign)
{
case "bottom":
int fontSize = 8;
g.DrawString(ValText,
new Font(new FontFamily("Helvetica"), fontSize, FontStyle.Regular, GraphicsUnit.Point),
new SolidBrush(color), pEnd.X - WidthText / 2, pEnd.Y);
break;
}
GraphicShape.PaintLine(g, pStart, pEnd, color, WidthLine);
}
public static void PaintHLine(Graphics g, Rectangle rectPaint, decimal valPrice, string Text, decimal maxPrice, decimal minPrice, Color color, string TextHAlign = "right")
{
int Y = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, valPrice);
//Если выходит за пределы, удаляем
if (Y < 0 || Y > rectPaint.Y + rectPaint.Height)
{
return;
}
string ValText = Text;
int WidthText = ValText.Length * 7;
int fontSize = 8;
Point pLine1 = new Point(rectPaint.X, rectPaint.Y + Y);
Point pLine2 = new Point(rectPaint.X + rectPaint.Width - WidthText - 2, rectPaint.Y + Y);
//ВЫравнивание лейбла
switch (TextHAlign)
{
case "left":
g.DrawString(ValText,
new Font(new FontFamily("Helvetica"), fontSize, FontStyle.Regular, GraphicsUnit.Point),
new SolidBrush(color), rectPaint.X, rectPaint.Y + Y - (fontSize));
pLine1 = new Point(rectPaint.X + WidthText, rectPaint.Y + Y);
pLine2 = new Point(rectPaint.X + rectPaint.Width, rectPaint.Y + Y);
break;
case "center":
//Canvas.SetLeft(this.TextLabel, PaintPanel.X + (PaintPanel.Width / 2 - this.TextLabel.ActualWidth));
break;
default:
// Canvas.SetLeft(this.TextLabel, PaintPanel.X + PaintPanel.Width - this.TextLabel.ActualWidth - this.MarginRight);
g.DrawString(ValText,
new Font(new FontFamily("Helvetica"), fontSize, FontStyle.Regular, GraphicsUnit.Point),
new SolidBrush(color), rectPaint.X + rectPaint.Width - WidthText, rectPaint.Y + Y - (fontSize));
break;
}
GraphicShape.PaintLine(g, pLine1, pLine2, color);
}
/// <summary> Рисует объемы по активной свечке </summary>
private void PaintHorVolByCandle(Graphics canvas, Candles.DataCandle activeCandle, Point crossLines)
{
if (activeCandle.Candle.HorVolumes.HVolCollection.Count == 0)
{
return;
}
Rectangle rectPaint = new Rectangle();
rectPaint.X = activeCandle.TailCoord.High.X + 1;
rectPaint.Width = 30 * 2;
rectPaint.Y = activeCandle.TailCoord.High.Y;
rectPaint.Height = activeCandle.TailCoord.Low.Y - rectPaint.Y;
long MaxVol = activeCandle.Candle.HorVolumes.HVolCollection.CollectionArray.Max(e => e.VolBuy + e.VolSell);
long MinVol = 0;
SolidBrush solidBrush = new SolidBrush(Color.LightGray);
canvas.FillRectangle(solidBrush, rectPaint);
activeCandle.Candle.HorVolumes.HVolCollection.CollectionArray.ForEach <MarketObject.ChartVol>((hv) =>
{
int y = GraphicShape.GetCoordinate(this.RectAllTop.Height, this.MaxPrice, this.MinPrice, hv.Price);
int x2 = (int)GraphicShape.GetCoordinate(rectPaint.Width, MaxVol, MinVol, hv.VolBuy + hv.VolSell);
var p1 = new Point(rectPaint.X, y);
var p2 = new Point(rectPaint.X + rectPaint.Width - x2, y);
if (hv.VolBuy + hv.VolSell == MaxVol)
{
GraphicShape.PaintText(canvas, MaxVol.ToString(), activeCandle.TailCoord.High.X, activeCandle.TailCoord.High.Y - 11, Color.Blue);
}
if (crossLines.Y + 5 > y && crossLines.Y - 5 < y)
{
decimal priceY = GraphicShape.GetValueFromCoordinate(this.RectAllTop.Height, this.MaxPrice, this.MinPrice, crossLines.Y, this.PanelPrices.CountFloat);
if (hv.Price == priceY)
{
activeCandle.Description = (hv.VolBuy + hv.VolSell).ToString();
}
}
GraphicShape.PaintLine(canvas, p1, p2, Color.Blue, 2);
});
}
public void PaintLevels(Graphics canvas, Rectangle rectPaint, decimal MaxPrice, decimal MinPrice)
{
if (this.CollectionLevels == null)
{
return;
}
this.CountLevels = this.CollectionLevels.Count();
if (this.CountLevels == 0)
{
return;
}
foreach (var valLevel in this.CollectionLevels)
{
//*****************************
this.PaintOneLevel(canvas, rectPaint, valLevel, MaxPrice, MinPrice);
}
GraphicShape.PaintLine(canvas, new Point(rectPaint.X, rectPaint.Y), new Point(rectPaint.X, rectPaint.Y + rectPaint.Height), Color.Black);
GraphicShape.PaintText(canvas, "min:" + this.Min.ToString(), rectPaint.X, rectPaint.Y + rectPaint.Height - 12, Color.Black);
GraphicShape.PaintText(canvas, "max:" + this.Max.ToString(), rectPaint.X, rectPaint.Y + 1, Color.Black);
}
/// <summary> Рисует одну свечку </summary>
/// <param name="canvas"></param>
/// <param name="rectPaint"></param>
/// <param name="candleData"></param>
/// <param name="index"></param>
/// <param name="maxPrice"></param>
/// <param name="minPrice"></param>
private void PaintOneCandle(Graphics canvas, Rectangle rectPaint, CandleLib.CandleData candleData, int index, decimal maxPrice, decimal minPrice)
{
int tailY1 = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.High);
int tailY2 = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.Low);
int tailX1 = (int)((rectPaint.Width - this.WidthOneCandle * index) + this.WidthOneCandle / 2);
int bodyX = (int)(rectPaint.Width - this.WidthOneCandle * index);
int bodyY = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.Open > candleData.Close ? candleData.Open : candleData.Close);
int bodyWidth = this.WidthOneCandle - MarginCandle; //- чтобы свечки не слипались
int bodyHeight = GraphicShape.GetCoordinate(rectPaint.Height, maxPrice, minPrice, candleData.Open < candleData.Close ? candleData.Open : candleData.Close);
bodyHeight = bodyHeight - bodyY;
bodyHeight = bodyHeight == 0 ? bodyHeight + 1 : bodyHeight;
GraphicShape.PaintLine(canvas, new Point(tailX1, tailY1), new Point(tailX1, tailY2), Color.Black, 2);
GraphicShape.PaintRectangle(canvas, bodyX, bodyY, bodyWidth, bodyHeight, Color.Black, candleData.Open > candleData.Close ? Color.LightCoral : Color.LightGreen);
if (OnPaintCandle != null)
{
OnPaintCandle(new DataCandle()
{
PaintRect = rectPaint,
Candle = candleData,
TailCoord = new TailCoord()
{
High = new Point(tailX1, tailY1), Low = new Point(tailX1, tailY2)
},
Body = new Rectangle()
{
X = bodyX, Y = bodyY, Width = bodyWidth, Height = bodyHeight
},
Index = index
});
}
}
