private void SetupChart()
{
// настройки графика
chart.UseGradient = true;
chart.GradAngle = 80;
chart.ClGradStart = Color.FromArgb(255, 190, 190, 190);
chart.ClGradEnd = Color.FromArgb(255, 210, 210, 210);
var axisX = new FastAxis(FastAxisDirection.X, true)
{
DrawMainGrid = true,
DrawSubGrid = true,
ColorMainGrid = Color.FromArgb(255, 130, 130, 130),
ColorSubGrid = Color.FromArgb(255, 170, 170, 170)
};
chart.Axes.Add(axisX);
var axisY = new FastAxis(FastAxisDirection.Y, false)
{
DrawMainGrid = true,
ColorMainGrid = Color.FromArgb(255, 130, 130, 130)
};
chart.Axes.Add(axisY);
chart.series.Add(new FastSeries("цена (close)", FastSeriesType.Линия, axisX, axisY, false)
{
PenLine = new Pen(Color.Blue)
});
chart.series.Add(new FastSeries("цена (H)", FastSeriesType.Линия, axisX, axisY, false)
{
PenLine = new Pen(Color.Green)
});
chart.series.Add(new FastSeries("цена (L)", FastSeriesType.Линия, axisX, axisY, false)
{
PenLine = new Pen(Color.Red)
});
chart.ShowLegend = false;
}
private void RenderChart(StringBuilder sb, string title, int width, int height,
List <List <FastSeriesPoint> > series, List <string> seriesNames)
{
var seriesColors = new [] { Color.DarkBlue, Color.DarkOliveGreen, Color.Firebrick };
var needYearsInFormat = stat.listEquity[stat.listEquity.Count - 1].time.Year != stat.listEquity[0].time.Year;
var formatString = needYearsInFormat ? "dd.MM.yyyy" : "dd MMM";
var chart = new FastChart.Chart.FastChart
{
ShowLegend = series.Count > 1,
LegendPlacement = FastChart.Chart.FastChart.ChartLegendPlacement.Справа,
BorderStyle = BorderStyle.None,
DrawMargin = false
};
var axisX = new FastAxis(FastAxisDirection.X, true)
{
ColorMainGrid = Color.FromArgb(205, 205, 205),
ColorSubGrid = Color.FromArgb(220, 220, 220),
DrawMainGrid = true,
DrawSubGrid = true,
LabelFormat = formatString
};
// границы оси Y
var min = double.MaxValue;
var max = double.MinValue;
foreach (var ser in series)
{
foreach (var pt in ser)
{
if (min > pt.y)
{
min = pt.y;
}
if (max < pt.y)
{
max = pt.y;
}
}
}
min = GetLowerBound(min);
var axisY = new FastAxis(FastAxisDirection.Y, false)
{
ColorMainGrid = Color.FromArgb(205, 205, 205),
ColorSubGrid = Color.FromArgb(220, 220, 220),
DrawMainGrid = true,
DrawSubGrid = true,
AutoScale100 = false,
MinValue = new FastChart.Chart.Cortege2 <double, DateTime>(min, default(DateTime)),
MaxValue = new FastChart.Chart.Cortege2 <double, DateTime>(max * 1.05, default(DateTime))
};
chart.Axes.Add(axisX);
chart.Axes.Add(axisY);
// добавить серии и точки
for (var i = 0; i < series.Count; i++)
{
var ser = new FastSeries(seriesNames[i], FastSeriesType.Линия, axisX, axisY, false)
{
PenLine = new Pen(seriesColors[i], 2f), AntiAlias = true
};
ser.points.AddRange(series[i]);
chart.series.Add(ser);
}
chart.Width = width;
chart.Height = height;
// рендерить чарт в картинку
var img = new Bitmap(width, height);
chart.DrawToBitmap(img, new Rectangle(0, 0, width - 1, height - 1));
// включить картинку в HTML
var str = BaseWebServer.MakeEmbeddedPictureString(img);
var imgStr = string.Format(
"<img src=\"{0}\" alt=\"Доходность по счету\" style=\"cursor:pointer\" /> ", str);
sb.AppendLine("<br/>");
sb.AppendLine(imgStr);
sb.AppendLine(string.Format(" <p style=\"font-weight:bold\">{0}</p>", title));
}
/// <summary>
/// вернуть полный путь к файлу с картинкой доходности
/// </summary>
private string MakeProfitChart(string tempFolder, Size chartSize)
{
var chart = new FastChart.Chart.FastChart
{
ShowLegend = true,
LegendPlacement = FastChart.Chart.FastChart.ChartLegendPlacement.Справа,
BorderStyle = BorderStyle.None,
DrawMargin = false
};
var axisX = new FastAxis(FastAxisDirection.X, true)
{
ColorMainGrid = Color.FromArgb(205, 205, 205),
ColorSubGrid = Color.FromArgb(220, 220, 220),
DrawMainGrid = true,
DrawSubGrid = true,
Step = new FastChart.Chart.Cortege2 <double, TimeSpan>(0,
new TimeSpan(356, 0, 0, 0)),
LabelFormat = "yyyy"
};
var maxProfit = (double)profitDic.Max(p => p.equity);
var axisY = new FastAxis(FastAxisDirection.Y, false)
{
ColorMainGrid = Color.FromArgb(205, 205, 205),
ColorSubGrid = Color.FromArgb(220, 220, 220),
DrawMainGrid = true,
DrawSubGrid = true,
AutoScale100 = false,
MinValue = new FastChart.Chart.Cortege2 <double, DateTime>(0, default(DateTime)),
MaxValue = new FastChart.Chart.Cortege2 <double, DateTime>(maxProfit * 1.1,
default(DateTime))
};
if (maxProfit > 1000)
{
var stepSize = maxProfit < 2000 ? 200 : maxProfit < 4000 ? 500 : 1000;
axisY.Step = new FastChart.Chart.Cortege2 <double, TimeSpan>(stepSize, default(TimeSpan));
}
chart.Axes.Add(axisX);
chart.Axes.Add(axisY);
var seriesFund = new FastSeries("УК", FastSeriesType.Линия, axisX, axisY, false)
{
PenLine = new Pen(Color.FromArgb(80, 5, 5), 2f), AntiAlias = true
};
seriesFund.points.AddRange(profitDic.Select(p => new FastSeriesPoint(p.time, p.equity)).ToList());
chart.series.Add(seriesFund);
// серии бенчмарков
var seriesBmA = new FastSeries(benchmarkA, FastSeriesType.Линия, axisX, axisY, false)
{
PenLine = new Pen(Color.FromArgb(5, 80, 5), 2f), AntiAlias = true
};
var seriesBmB = new FastSeries(benchmarkB, FastSeriesType.Линия, axisX, axisY, false)
{
PenLine = new Pen(Color.FromArgb(5, 5, 80), 2f), AntiAlias = true
};
seriesBmA.points.AddRange(MakeBenchmarkProfit1000Points(vamiBenchmarkA));
seriesBmB.points.AddRange(MakeBenchmarkProfit1000Points(vamiBenchmarkB));
chart.series.Add(seriesBmA);
chart.series.Add(seriesBmB);
chart.Width = chartSize.Width;
chart.Height = chartSize.Height;
var img = new Bitmap(chartSize.Width, chartSize.Height);
chart.DrawToBitmap(img, new Rectangle(0, 0, chartSize.Width, chartSize.Height));
var path = string.Format("{0}\\chartProfit1000_{1}.png", tempFolder, DateTime.Now.Millisecond);
img.Save(path, ImageFormat.Png);
return(path);
}