public HSpan PlotHSpan(
double x1,
double x2,
Color?color = null,
double alpha = .5,
string label = null,
bool draggable = false,
bool dragFixedSize = false,
double dragLimitLower = double.NegativeInfinity,
double dragLimitUpper = double.PositiveInfinity
)
{
var axisSpan = new HSpan()
{
X1 = x1,
X2 = x2,
Color = color ?? GetNextColor(alpha),
Label = label,
DragEnabled = draggable,
DragFixedSize = dragFixedSize,
DragLimitMin = dragLimitLower,
DragLimitMax = dragLimitUpper,
};
Add(axisSpan);
return(axisSpan);
}
public void Test_AxisSpan_Alpha()
{
var plt = new ScottPlot.Plot();
// start with default settings
var axSpan = new HSpan()
{
position1 = 1.23, position2 = 2.34
};
plt.Add(axSpan);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
// change the plottable
axSpan.alpha /= 2;
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.IsLighterThan(before));
}
public void AxisHSpan_ExtremeZoomIn_FullScreenIsSpanColor()
{
var plt = new ScottPlot.Plot();
var axSpan = new HSpan()
{
X1 = 1, X2 = 10, Color = System.Drawing.Color.Green
};
plt.Add(axSpan);
// Initial zoom to fill full plot with span color
plt.AxisZoom(10);
var smallZoomBmp = TestTools.GetLowQualityBitmap(plt);
var smallZoom = new MeanPixel(smallZoomBmp);
// Extreme zoom to prove that full plot filled with span Color
plt.AxisZoom(10_000_000);
var extremeZoomBmp = TestTools.GetLowQualityBitmap(plt);
var extremeZoom = new MeanPixel(extremeZoomBmp);
// Compare mean pixel with delta, because different ticks
Assert.AreEqual(smallZoom.RGB, extremeZoom.RGB, 1.0);
}
public void Test_AxisSpan_Color()
{
var plt = new ScottPlot.Plot();
// start with default settings
var axSpan = new HSpan()
{
X1 = 1.23, X2 = 2.34, Color = System.Drawing.Color.Gray
};
plt.Add(axSpan);
var bmp1 = TestTools.GetLowQualityBitmap(plt);
// change the plottable
axSpan.Color = System.Drawing.Color.Black;
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));
}
public HSpan PlotHSpan(
double x1,
double x2,
Color?color = null,
double alpha = .5,
string label = null,
bool draggable = false,
bool dragFixedSize = false,
double dragLimitLower = double.NegativeInfinity,
double dragLimitUpper = double.PositiveInfinity
)
{
var axisSpan = new HSpan()
{
position1 = x1,
position2 = x2,
color = color ?? settings.GetNextColor(),
alpha = alpha,
label = label,
DragEnabled = draggable,
DragFixedSize = dragFixedSize
};
axisSpan.SetLimits(dragLimitLower, dragLimitUpper, null, null);
Add(axisSpan);
return(axisSpan);
}
/// <summary>
/// Add a horizontal span (shades the region between two X positions)
/// </summary>
public HSpan AddHorizontalSpan(double xMin, double xMax, Color?color = null, string label = null)
{
var plottable = new HSpan()
{
X1 = xMin,
X2 = xMax,
Color = color ?? GetNextColor(.5),
Label = label,
};
Add(plottable);
return(plottable);
}