public static CanvasPoint TranslateFromValues(CanvasConfiguration c, double x, double y)
{
var p = new CanvasPoint();
p.ValueX = x;
p.ValueY = y;
p.DotIndexLeft = (int)((p.ValueX - c.XMin) / c.ValueTickX);
p.DotIndexTop = (int)((p.ValueY - c.YMin) / c.ValueTickY);
p.DotIndexTop = -(p.DotIndexTop - c.YCount);
return(p);
}
public static CanvasPoint TranslateFromMouse(CanvasConfiguration c, double xp, double yp)
{
var p = new CanvasPoint();
p.Config = c;
p.DotLeft = xp;
p.DotTop = yp;
p.DotIndexLeft = (int)((xp - c.XStart + c.XIncrement / 2) / c.XIncrement);
p.DotIndexTop = (int)((yp - c.YStart + c.YIncrement / 2) / c.YIncrement);
p.ValueX = c.ValueTickX * p.DotIndexLeft + c.XMin;
p.ValueY = c.ValueTickY * (c.YCount - p.DotIndexTop) + c.YMin;
return(p);
}