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);
}
private void PaintOneLevel(Graphics canvas, Rectangle rectPaint, decimal Value, int index)
{
rectPaint = RectanglePaint.DeleteRight(rectPaint, new Rectangle(0, 0, this.PanelValues.WidthBorder, 0));
int Y1 = GraphicShape.GetCoordinate(rectPaint.Height, this.Max, this.Min, Value > 0 ? Value : 0);
int Y2 = GraphicShape.GetCoordinate(rectPaint.Height, this.Max, this.Min, Value < 0 ? Value : 0);
int bodyX = (int)(rectPaint.Width - this.WidthOneLevel * index);
int bodyY = rectPaint.Y + Y1;
int bodyWidth = this.WidthOneLevel - 2; //-2 чтобы свечки не слипались
int bodyHeight = Y2 - Y1;
//bodyHeight = bodyHeight - bodyY;
bodyHeight = bodyHeight == 0 ? bodyHeight + 1 : bodyHeight;
GraphicShape.PaintRectangle(canvas, bodyX, bodyY, bodyWidth, bodyHeight, Color.Black, Value < 0 ? Color.Red : Color.Green);
}
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);
});
}
/// <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
});
}
}
