private (string, SKPath) LabelPath(float scale, SKSize dimension)
{
var txt = SIPrefix.ToString(Value);
(var pt1, var pt2) = LabelLine(scale, dimension, txt);
var pts = new SKPoint[] { pt1, pt2 };
var pth = new SKPath();
pth.AddPoly(pts, false);
return(txt, pth);
}
void DrawTickLabel(ref SKCanvas c, double Value, float Position, float length, SKPaint TickPaint)
{
var txt = SIPrefix.ToString(Value);
var hei = MinorPaint.TextSize / 2;
var wid = MinorPaint.MeasureText(txt) + SpaceWidth;
var pth = new SKPath();
var tot_wid = wid + SpaceWidth * 2;
if (tot_wid > LabelPadding)
{
LabelPadding = tot_wid;
}
SKPoint pt1, pt2;
length /= 2;
switch (Orientation)
{
case AxisOrientation.Vertical:
if (TotalPadding > ParentPadding.L)
{
ParentPadding.L = TotalPadding;
}
pt1 = new SKPoint(GetAxisLabelPosition() - tot_wid, Position);
pt2 = new SKPoint(GetAxisLabelPosition() - SpaceWidth, Position);
break;
case AxisOrientation.Horizontal:
if (TotalPadding > ParentPadding.B)
{
ParentPadding.B = TotalPadding;
}
pt1 = new SKPoint(Position, GetAxisLabelPosition() + tot_wid);
pt2 = new SKPoint(Position, GetAxisLabelPosition() + SpaceWidth);
break;
default:
return;
}
var pts = new SKPoint[] { pt1, pt2 };
pth.AddPoly(pts, false);
c.DrawTextOnPath(txt, pth, 0, hei / 2, MinorPaint);
}