/// <summary>
/// Рисует блок состоящий из нескольких свечей
/// </summary>
/// <param name="prepHorV"></param>
/// <param name="max"></param>
/// <param name="countInBlock"></param>
private void PaintOneBlock(PrepareHorVol prepHorV, Chart max, int countInBlock)
{
var canvas = Panel.GetGraphics;
var canvasOnlyVol = PanelVolume.GetGraphics;
if (prepHorV.RectBlock.Width >= MIN_WIDTH_FOR_LAYBORDER)
{
//рисует прямоугольник выделяющий период
var rectVol = new RectDraw();
rectVol.ColorFill = ColorLayVol;
rectVol.ColorBorder = ColorLayBorder;
rectVol.Paint(canvas, prepHorV.RectBlock.X, prepHorV.RectBlock.Y,
prepHorV.RectBlock.Width, prepHorV.RectBlock.Height);
var textMax = new TextDraw();
textMax.Color = Color.Black;
var text = "max:" + prepHorV.MaxVol.ToString();
var size = textMax.GetSizeText(canvas, text);
textMax.Paint(canvas, text, prepHorV.RectBlock.X, prepHorV.RectBlock.Y - size.Height);
}
prepHorV.HorVolumes.ToArray().ForEach <ChartFull>((hv) =>
{
this.PaintLineHVol(canvas, prepHorV.RectBlock, max, new Chart(), hv);
if (PaintOnlyFirstBlock)
{
this.PaintLineHVol(canvasOnlyVol, PanelVolume.Rect.Rectangle, max, new Chart(), hv, Color.Blue);
}
});
}
public override void FastUpdate()
{
Panel.Clear();
if (!IsEnable())
{
return;
}
if (ListTrades.NotIsNull() && ListTrades.Count() > 0)
{
var canvas = Panel.GetGraphics;
//Устанавливаем первую уоординату + смещение
float XlastTrade = Panel.Rect.Width - 40;
var textVol = new TextDraw();
textVol.SetFontSize(6);
textVol.Color = Color.Black;
foreach (var trade in ListTrades)
{
int width = 4;
int Height = 4;
SizeF sizeText;
float xPlusText = 0;
float yPlusText = 0;
if (MinVolumeShow <= trade.Volume)
{
sizeText = textVol.GetSizeText(canvas, trade.Volume.ToString());
width = Height = (int)(sizeText.Width * 2);
xPlusText = (width - sizeText.Width) / 2;
yPlusText = (Height - sizeText.Height) / 2;
}
XlastTrade = XlastTrade - width;
float yPrice = (float)GetYByPrice(trade.Price);
var rect = new RectDraw();
var colorCandle = trade.Direction == OrderDirection.Buy ? Color.LightGreen : Color.LightCoral;
var colorBorder = Color.Black;
rect.Paint(canvas, XlastTrade, yPrice - Height / 2, width, Height, colorBorder, colorCandle);
if (MinVolumeShow <= trade.Volume)
{
textVol.Paint(canvas, trade.Volume.ToString(),
XlastTrade + xPlusText, (yPrice - Height / 2) + yPlusText);
}
}
}
}
/// <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);
}
}
