/// <summary>
/// построить проекции
/// </summary>
public void MakeProjections()
{
projections.Clear();
foreach (var span in data)
{
if (!span.Completed) continue;
var projs = span.GetProjections();
foreach (var index in projs)
{
var hasProj = false;
foreach (var proj in projections)
{
if (proj.Index == index)
{// подтвердить проекцию
proj.AckDegree++;
proj.Color = Color.Red;
hasProj = true;
break;
}
}
if (hasProj) continue;
// создать новую проекцию
var newProj = new FiboSpanProjection {Index = index, Color = span.Color};
if (index >= 0 && index < Chart.StockSeries.Data.Count)
newProj.UpperPrice = Chart.StockSeries.Data[index].low;
projections.Add(newProj);
}
}
// отфильтровать проекции
if (projections.Count > 1)
{
projections = projections.OrderBy(p => p.Index).ToList();
for (var i = 0; i < projections.Count; i++)
{
var leftDegree = i == 0 ? 0 : projections[i - 1].Index == projections[i].Index - 1
? projections[i - 1].AckDegree : 0;
var rightDegree = i == (projections.Count - 1) ? 0 :
projections[i + 1].Index == projections[i].Index + 1 ? projections[i + 1].AckDegree : 0;
if (projections[i].AckDegree < leftDegree || projections[i].AckDegree < rightDegree)
{// отфильтровать
projections[i].Filtered = true;
}
}
for (var i = 0; i < projections.Count; i++)
{
if (projections[i].Filtered)
{
projections.RemoveAt(i);
i--;
}
}
}
}
/// <summary>
/// построить проекции
/// </summary>
public void MakeProjections()
{
projections.Clear();
foreach (var span in data)
{
if (!span.Completed)
{
continue;
}
var projs = span.GetProjections();
foreach (var index in projs)
{
var hasProj = false;
foreach (var proj in projections)
{
if (proj.Index == index)
{// подтвердить проекцию
proj.AckDegree++;
proj.Color = Color.Red;
hasProj = true;
break;
}
}
if (hasProj)
{
continue;
}
// создать новую проекцию
var newProj = new FiboSpanProjection {
Index = index, Color = span.Color
};
if (index >= 0 && index < Chart.StockSeries.Data.Count)
{
newProj.UpperPrice = Chart.StockSeries.Data[index].low;
}
projections.Add(newProj);
}
}
// отфильтровать проекции
if (projections.Count > 1)
{
projections = projections.OrderBy(p => p.Index).ToList();
for (var i = 0; i < projections.Count; i++)
{
var leftDegree = i == 0 ? 0 : projections[i - 1].Index == projections[i].Index - 1
? projections[i - 1].AckDegree : 0;
var rightDegree = i == (projections.Count - 1) ? 0 :
projections[i + 1].Index == projections[i].Index + 1 ? projections[i + 1].AckDegree : 0;
if (projections[i].AckDegree < leftDegree || projections[i].AckDegree < rightDegree)
{// отфильтровать
projections[i].Filtered = true;
}
}
for (var i = 0; i < projections.Count; i++)
{
if (projections[i].Filtered)
{
projections.RemoveAt(i);
i--;
}
}
}
}
public void DrawProjection(Graphics g, RectangleD worldRect, Rectangle canvasRect, FiboSpanProjection proj,
Brush brushWhite, Font font, PenStorage penStorage, BrushesStorage brushes)
{
// нижняя точка
var projLow = Conversion.WorldToScreen(new PointD(proj.Index, 0), worldRect, canvasRect);
projLow.Y = canvasRect.Bottom;
// верхняя точка
PointD projHigh = proj.UpperPrice.HasValue
? Conversion.WorldToScreen(new PointD(proj.Index, proj.UpperPrice.Value), worldRect, canvasRect)
: new PointD(projLow.X, canvasRect.Top);
var dashStyle = proj.AckDegree == 1 ? DashStyle.Dash : DashStyle.Solid;
var pen = penStorage.GetPen(proj.Color, 1, dashStyle);
g.DrawLine(pen, (float)projLow.X, (float)projLow.Y, (float)projHigh.X, (float)projHigh.Y);
if (proj.AckDegree > 1)
{// показать степень подтверждения
const int textOffset = 37;
const int textSize = 18, textSize2 = 9;
g.FillEllipse(brushWhite, (float)projLow.X - textSize2, (float)projLow.Y - textOffset - textSize2,
textSize, textSize);
g.DrawEllipse(pen, (float)projLow.X - textSize2, (float)projLow.Y - textOffset - textSize2,
textSize, textSize);
var text = proj.AckDegree.ToString();
var textSz = g.MeasureString(text, Chart.Font);
var textLeft = (float) projLow.X - textSz.Width/2;
var textTop = (float) projLow.Y - textSz.Height/2 - textOffset;
var brush = brushes.GetBrush(proj.Color);
g.DrawString(text, font, brush, textLeft, textTop);
textTop += (textSize + 4);
var timeStr = Chart.StockSeries.GetCandleOpenTimeByIndex(proj.Index).ToString("dd MMM HH:ss");
textSz = g.MeasureString(timeStr, Chart.Font);
textLeft = (float) projLow.X - textSz.Width/2;
g.FillRectangle(brushWhite, textLeft - 2, textTop - 2, textSz.Width + 4, textSz.Height + 3);
g.DrawRectangle(pen, textLeft - 2, textTop - 2, textSz.Width + 4, textSz.Height + 3);
g.DrawString(timeStr, Chart.Font, brush, textLeft, textTop);
}
}
public void DrawProjection(Graphics g, RectangleD worldRect, Rectangle canvasRect, FiboSpanProjection proj,
Brush brushWhite, Font font, PenStorage penStorage, BrushesStorage brushes)
{
// нижняя точка
var projLow = Conversion.WorldToScreen(new PointD(proj.Index, 0), worldRect, canvasRect);
projLow.Y = canvasRect.Bottom;
// верхняя точка
PointD projHigh = proj.UpperPrice.HasValue
? Conversion.WorldToScreen(new PointD(proj.Index, proj.UpperPrice.Value), worldRect, canvasRect)
: new PointD(projLow.X, canvasRect.Top);
var dashStyle = proj.AckDegree == 1 ? DashStyle.Dash : DashStyle.Solid;
var pen = penStorage.GetPen(proj.Color, 1, dashStyle);
g.DrawLine(pen, (float)projLow.X, (float)projLow.Y, (float)projHigh.X, (float)projHigh.Y);
if (proj.AckDegree > 1)
{// показать степень подтверждения
const int textOffset = 37;
const int textSize = 18, textSize2 = 9;
g.FillEllipse(brushWhite, (float)projLow.X - textSize2, (float)projLow.Y - textOffset - textSize2,
textSize, textSize);
g.DrawEllipse(pen, (float)projLow.X - textSize2, (float)projLow.Y - textOffset - textSize2,
textSize, textSize);
var text = proj.AckDegree.ToString();
var textSz = g.MeasureString(text, Chart.Font);
var textLeft = (float)projLow.X - textSz.Width / 2;
var textTop = (float)projLow.Y - textSz.Height / 2 - textOffset;
var brush = brushes.GetBrush(proj.Color);
g.DrawString(text, font, brush, textLeft, textTop);
textTop += (textSize + 4);
var timeStr = Chart.StockSeries.GetCandleOpenTimeByIndex(proj.Index).ToString("dd MMM HH:ss");
textSz = g.MeasureString(timeStr, Chart.Font);
textLeft = (float)projLow.X - textSz.Width / 2;
g.FillRectangle(brushWhite, textLeft - 2, textTop - 2, textSz.Width + 4, textSz.Height + 3);
g.DrawRectangle(pen, textLeft - 2, textTop - 2, textSz.Width + 4, textSz.Height + 3);
g.DrawString(timeStr, Chart.Font, brush, textLeft, textTop);
}
}
