///<inheritdoc/>
public override void Redraw(Rect bounds)
{
if (CellSize.X == 0 || CellSize.Y == 0)
{
throw new Exception($"{nameof(CellSize)} cannot be 0");
}
SetDriverColorToGraphColor();
Move(0, 0);
// clear all old content
for (int i = 0; i < Bounds.Height; i++)
{
Move(0, i);
Driver.AddStr(new string (' ', Bounds.Width));
}
// If there is no data do not display a graph
if (!Series.Any() && !Annotations.Any())
{
return;
}
// Draw 'before' annotations
foreach (var a in Annotations.Where(a => a.BeforeSeries))
{
a.Render(this);
}
SetDriverColorToGraphColor();
AxisY.DrawAxisLine(this);
AxisX.DrawAxisLine(this);
AxisY.DrawAxisLabels(this);
AxisX.DrawAxisLabels(this);
// Draw a cross where the two axis cross
var axisIntersection = new Point(AxisY.GetAxisXPosition(this), AxisX.GetAxisYPosition(this));
if (AxisX.Visible && AxisY.Visible)
{
Move(axisIntersection.X, axisIntersection.Y);
AddRune(axisIntersection.X, axisIntersection.Y, '\u253C');
}
SetDriverColorToGraphColor();
// The drawable area of the graph (anything that isn't in the margins)
Rect drawBounds = new Rect((int)MarginLeft, 0, Bounds.Width - ((int)MarginLeft), Bounds.Height - (int)MarginBottom);
RectangleF graphSpace = ScreenToGraphSpace(drawBounds);
foreach (var s in Series)
{
s.DrawSeries(this, drawBounds, graphSpace);
// If a series changes the graph color reset it
SetDriverColorToGraphColor();
}
SetDriverColorToGraphColor();
// Draw 'after' annotations
foreach (var a in Annotations.Where(a => !a.BeforeSeries))
{
a.Render(this);
}
}
