/// <summary>
/// Отрисовка одного уровня
/// </summary>
/// <param name="canvas"></param>
/// <param name="rectPaint"></param>
/// <param name="Value"></param>
/// <param name="index"></param>
private void PaintOneLevel(Graphics canvas, Chart level, CandleInfo candle, bool paintLast = false)
{
int Y1 = GMath.GetCoordinate(Panel.Rect.Height, this.Max, this.Min, level.Volume > 0 ? level.Volume : 0);
int Y2 = GMath.GetCoordinate(Panel.Rect.Height, this.Max, this.Min, level.Volume < 0 ? level.Volume : 0);
float bodyWidth = candle.Body.Width < MAX_WIDTH ? candle.Body.Width : MAX_WIDTH;//Panel.Params.WidthCandle - Panel.Params.MarginCandle; //-2 чтобы свечки не слипались
int bodyHeight = Y2 - Y1;
int bodyX = (int)(candle.Body.X + (candle.Body.Width / 2) - (bodyWidth / 2));
int bodyY = Y1;
//bodyHeight = bodyHeight - bodyY;
bodyHeight = bodyHeight == 0 ? bodyHeight + 1 : bodyHeight;
var rect = new RectDraw();
if (candle.Index != 0 || paintLast)
{
var Color = ValuePositive;
if (candle.Candle.Close < candle.Candle.Open)
{
Color = ValueNegative;
}
rect.Paint(canvas, bodyX, bodyY, bodyWidth, bodyHeight, Color, Color);
}
var data = new DataLevel()
{
PaintRect = Panel.Rect.Rectangle,
Value = level.Volume,
MaxValue = this.Max,
MinValue = this.Min,
Index = candle.Index,
DataPaint = rect,
Body = new RectangleF(bodyX, bodyY, bodyWidth, bodyHeight)
};
if (data.NotIsNull())
{
if (data.Index == 1)
{
this.AllDataLevels.RemoveAll(l => l.Index == data.Index);
AllDataLevels.Insert(0, data);
}
else
{
AllDataLevels.Add(data);
}
}
}
/// <summary>
/// Рисует уровень ввиде свободного прямоугольника
/// </summary>
/// <param name="g"></param>
/// <param name="rect"></param>
/// <param name="lev"></param>
/// <param name="widthLine"></param>
private void PaintRectangleLevel(Graphics g, Rectangle rect, DoubleLevel lev, float widthLine = 1)
{
int yTop = GMath.GetCoordinate(rect.Height, Panel.Params.MaxPrice, Panel.Params.MinPrice, lev.Top);
int yBot = GMath.GetCoordinate(rect.Height, Panel.Params.MaxPrice, Panel.Params.MinPrice, lev.Bottom);
if (yBot < 0 && yTop > 0)
{
yBot = rect.Y + rect.Height;
}
if (yTop < 0 && yBot > 0)
{
yTop = rect.Y;
}
var height = yBot - yTop;
if (height <= 0)
{
return;
}
var rectLev = new RectDraw();
rectLev.ColorBorder = Color.FromArgb(100, Color.Black);
rectLev.ColorFill = Color.FromArgb(40, Color.Blue);
rectLev.WidthBorder = widthLine;
rectLev.Paint(g, rect.X, yTop, rect.Width, height);
var middleLine = new Line();
middleLine.Width = 1;
middleLine.Style = System.Drawing.Drawing2D.DashStyle.Dot;
middleLine.Paint(g, new PointF(rect.X, yTop + height / 2), new PointF(rect.X + rect.Width, yTop + height / 2),
Color.FromArgb(100, Color.Black));
var topText = new TextDraw();
var dataText = topText.GetSizeText(g, lev.Top.ToString());
int HeightText = (int)dataText.Height;
if (height > HeightText * 3 && rect.Width > dataText.Width)
{
topText.Paint(g, lev.Top.ToString(), rect.X, yTop);
topText.Paint(g, lev.Bottom.ToString(), rect.X, yBot - HeightText);
}
}
/// <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 CandleInfo PaintOneCandle(Graphics canvas, ViewPanel panel, CandleData candleData, int index, bool paint = true)
{
int tailY1 = GMath.GetCoordinate(panel.Rect.Height, panel.Params.MaxPrice, panel.Params.MinPrice, candleData.High);
int tailY2 = GMath.GetCoordinate(panel.Rect.Height, panel.Params.MaxPrice, panel.Params.MinPrice, candleData.Low);
int tailX1 = (int)((panel.Rect.Width - panel.Params.WidthCandle * index) + panel.Params.WidthCandle / 2);
int bodyX = (int)(panel.Rect.Width - panel.Params.WidthCandle * index);
int bodyY = GMath.GetCoordinate(panel.Rect.Height, panel.Params.MaxPrice, panel.Params.MinPrice, candleData.Open > candleData.Close ? candleData.Open : candleData.Close);
float bodyWidth = panel.Params.WidthCandle - MarginCandle > 0.3f ? panel.Params.WidthCandle - MarginCandle : 0.3f; //- чтобы свечки не слипались
int bodyHeight = GMath.GetCoordinate(panel.Rect.Height, panel.Params.MaxPrice, panel.Params.MinPrice, candleData.Open < candleData.Close ? candleData.Open : candleData.Close);
bodyHeight = bodyHeight - bodyY;
bodyHeight = bodyHeight == 0 ? bodyHeight + 1 : bodyHeight;
//tail
var line = new Line();
line.Width = 1.5f;
if (paint)
{
line.Paint(canvas, new Point(tailX1, tailY1), new Point(tailX1, tailY2), ColorBorderCandle);
}
//Body
var rect = new RectDraw();
var colorCandle = candleData.Open > candleData.Close ? ColorFallCandle : ColorGrowCandle;
var colorBorder = ColorBorderCandle;
/*if (candleData.Open < candleData.Close && candleData.VolumeBuy - candleData.VolumeSell > 0)
* {
* colorBorder = colorCandle = Color.DarkGreen;
* }
* if (candleData.Open > candleData.Close && candleData.VolumeBuy - candleData.VolumeSell < 0)
* {
* colorBorder = colorCandle = Color.DarkRed;
* }*/
if (paint)
{
rect.Paint(canvas, bodyX, bodyY, bodyWidth, bodyHeight, colorBorder, colorCandle);
}
if (MaxValues.MinCandle.IsNull())
{
MaxValues.MinCandle = candleData;
}
if (MaxValues.MaxCandle.IsNull())
{
MaxValues.MaxCandle = candleData;
}
if (MaxValues.MaxPrice < candleData.High)
{
MaxValues.MaxPrice = candleData.High;
MaxValues.MaxCandle = candleData;
}
if (MaxValues.MinPrice > candleData.Low)
{
MaxValues.MinPrice = candleData.Low;
MaxValues.MinCandle = candleData;
}
/*if (candleData.HorVolumes.HVolCollection.MaxVolume.NotIsNull())
* {
* if (MaxValues.MaxHorVolume.Volume < candleData.HorVolumes.HVolCollection.MaxVolume.Volume)
* {
* MaxValues.MaxHorVolume = candleData.HorVolumes.HVolCollection.MaxVolume;
* }
* }*/
var dCandle = new CandleInfo()
{
PaintRect = panel.Rect.Rectangle,
Candle = candleData,
TailCoord = new TailCoord()
{
Low = new Point(tailX1, tailY2), High = new Point(tailX1, tailY1)
},
Body = new RectangleF()
{
X = bodyX, Y = bodyY, Width = bodyWidth, Height = bodyHeight
},
Index = index - 1,
MaxHorVolume = MaxValues.MaxHorVolume,
TimeFrame = CurrentTimeFrame
};
VerticalLines[index - 1] = dCandle.TailCoord.High.X;
if (index == 1)
{
AllDataPaintedCandle.RemoveAll(c => c.Index == index - 1);
AllDataPaintedCandle.Insert(0, dCandle);
}
else
{
AllDataPaintedCandle.Add(dCandle);
}
if (OnPaintedCandle.NotIsNull())
{
OnPaintedCandle(dCandle);
}
return(dCandle);
}
/// <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);
}