public void Test_Finance_ColorDown()
{
var plt = new ScottPlot.Plot();
// start with default settings
var op = new FinancePlot()
{
OHLCs = new OHLC[]
{
// open, high, low, close, time, timeSpan
new OHLC(273, 275, 264, 265, 1, 1),
new OHLC(267, 276, 265, 274, 2.5, 2),
new OHLC(277, 280, 275, 278, 4, 1),
}
};
plt.Add(op);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
// change the plottable
op.ColorDown = System.Drawing.Color.Blue;
var bmp2 = TestTools.GetLowQualityBitmap(plt);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(after.IsMoreBlueThan(before));
}
/// <summary>
/// Add candlesticks to the chart from OHLC (open, high, low, close) data
/// </summary>
public FinancePlot AddCandlesticks(OHLC[] ohlcs)
{
FinancePlot plottable = new FinancePlot(ohlcs)
{
Candle = true,
ColorUp = ColorTranslator.FromHtml("#26a69a"),
ColorDown = ColorTranslator.FromHtml("#ef5350"),
};
Add(plottable);
return(plottable);
}
public FinancePlot PlotCandlestick(
OHLC[] ohlcs,
Color?colorUp = null,
Color?colorDown = null,
bool autoWidth = true,
bool sequential = false
)
{
FinancePlot plottable = new FinancePlot(ohlcs)
{
Candle = true,
Sequential = sequential,
ColorUp = colorUp ?? ColorTranslator.FromHtml("#26a69a"),
ColorDown = colorDown ?? ColorTranslator.FromHtml("#ef5350")
};
Add(plottable);
return(plottable);
}
public FinancePlot PlotCandlestick(
OHLC[] ohlcs,
Color?colorUp = null,
Color?colorDown = null,
bool autoWidth = true,
bool sequential = false
)
{
FinancePlot ohlc = new FinancePlot()
{
OHLCs = ohlcs,
Candle = true,
AutoWidth = autoWidth,
Sqeuential = sequential,
ColorUp = colorUp ?? ColorTranslator.FromHtml("#26a69a"),
ColorDown = colorDown ?? ColorTranslator.FromHtml("#ef5350")
};
Add(ohlc);
return(ohlc);
}
public void Test_Finance_AutoWidth()
{
var plt = new ScottPlot.Plot();
// start with default settings
var op = new FinancePlot()
{
Candle = true,
ohlcs = new OHLC[]
{
// open, high, low, close, time, timeSpan
new OHLC(273, 275, 264, 265, 1, 1),
new OHLC(267, 276, 265, 274, 4, 1),
new OHLC(277, 280, 275, 278, 7, 1),
new OHLC(267, 276, 265, 274, 10, 1),
}
};
plt.Add(op);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
// change the plottable
op.AutoWidth = true;
var bmp2 = TestTools.GetLowQualityBitmap(plt);
// measure what changed
//TestTools.SaveFig(bmp1, "1");
//TestTools.SaveFig(bmp2, "2");
var before = new MeanPixel(bmp1);
var after = new MeanPixel(bmp2);
Console.WriteLine($"Before: {before}");
Console.WriteLine($"After: {after}");
Assert.That(after.IsDarkerThan(before));
}
