/// <inheritdoc />
protected override void OnPaint(object sender, NvgContext e)
{
int i;
float x = Location.X;
float y = Location.Y;
e.BeginPath();
e.Rect(x, y, Width, Height);
e.FillColor(NanoVg.Rgba(255, 255, 255, 64));
e.Fill();
e.BeginPath();
if (Fill)
{
e.MoveTo(x, y + Height);
}
else
{
var v0 = _values[_head % HistoryCount];
v0 = F6Math.RemapClamp(v0, Min, Max, 0, Height);
e.MoveTo(x, y + Height - v0);
}
for (i = 0; i < HistoryCount; i++)
{
var v = _values[(_head + i) % HistoryCount];
var vx = x + (float)i / (HistoryCount - 1) * Width;
var vy = y + Height - F6Math.RemapClamp(v, Min, Max, 0, Height);
e.LineTo(vx, vy);
}
if (Fill)
{
e.LineTo(x + Width, y + Height);
e.FillColor(NanoVg.Rgba(Color));
e.Fill();
}
else
{
e.StrokeColor(NanoVg.Rgba(Color));
e.Stroke();
}
var avgY = F6Math.RemapClamp(_avg, Min, Max, 0, Height);
e.BeginPath();
e.MoveTo(x, y + Height - avgY);
e.LineTo(x + Width, y + Height - avgY);
e.StrokeColor(NanoVg.Rgba(255, 255, 255, 128));
e.Stroke();
e.FontFace(FontFamily);
if (Title != null)
{
e.FontSize(14.0f);
e.TextAlign(NvgAlign.Left | NvgAlign.Top);
e.FillColor(NanoVg.Rgba(240, 240, 240, 192));
e.Text(x + 3, y + 1, Title);
}
e.FontSize(16.0f);
e.TextAlign(NvgAlign.Right | NvgAlign.Top);
e.FillColor(NanoVg.Rgba(240, 240, 240, 255));
var str = string.Format(Number, _avg.ToString(NumberFormatStyle));
e.Text(x + Width - 3, y + 1, str);
if (Unit != null)
{
e.FontSize(15.0f);
e.TextAlign(NvgAlign.Right | NvgAlign.Bottom);
e.FillColor(NanoVg.Rgba(240, 240, 240, 160));
e.Text(x + Width - 3, y + Height - 1, Unit);
}
base.OnPaint(sender, e);
}