/// <summary> 刷新显示最后的几条 </summary>
public void ShowLast(List <string> collection, int xMargin = 150, int count = 600)
{
Func <int, double> convertFuncX = l =>
{
if (collection.Count < count)
{
l = count - collection.Count + l;
}
return(((double)l / count) * xMargin + (150 - xMargin) / 2);
};
Func <double, double> convertFuncY = l =>
{
//return (50 * (l - 1848) + 0 * (2448 - l)) / (2448 - 1848);
return(((l - 2048) / 150) * 10 + 50 / 2);
};
int total = collection.Count;
int skip = total > count ? total - count : 0;
Application.Current.Dispatcher.Invoke(() =>
{
var cs = collection.Skip(skip).ToList();
List <ICurveEntitySource> collections = new List <ICurveEntitySource>();
CardiogramCurveEntitySource entity = new CardiogramCurveEntitySource();
for (int i = 0; i < cs.Count; i++)
{
PointC point = new PointC();
point.X = convertFuncX(i);
double d;
bool result = double.TryParse(cs[i], out d);
if (result)
{
point.Y = convertFuncY(d);
point.Text = DateTime.Now.AddDays(i).ToString("yyyy-MM-dd");
entity.Source.Add(point);
}
}
collections.Add(entity);
this.CardiogramCollection = collections;
});
}
/// <summary> 刷新显示最后的几条 </summary>
public ICurveEntitySource ShowLast(List <string> collection, int xMargin = 150, int count = 600, int addValue = 0)
{
Func <int, double> convertFuncX = l =>
{
if (collection.Count < count)
{
l = count - collection.Count + l;
}
return(((double)l / count) * xMargin + (150 - xMargin) / 2);
};
Func <double, double> convertFuncY = l =>
{
l = l + addValue;
//return (50 * (l - 1848) + 0 * (2448 - l)) / (2448 - 1848);
return(((l - 2048) / 150) * 10 + 50 / 2);
};
int total = collection.Count;
int skip = total > count ? total - count : 0;
//List<ICurveEntitySource> collections = new List<ICurveEntitySource>();
var cs = collection.Skip(skip).ToList();
CardiogramCurveEntitySource entity = new CardiogramCurveEntitySource();
for (int i = 0; i < cs.Count; i++)
{
PointC point = new PointC();
point.X = convertFuncX(i);
double d;
bool result = double.TryParse(cs[i], out d);
if (result)
{
point.Y = convertFuncY(d);
point.Text = i.ToString();;
entity.Source.Add(point);
}
}
return(entity);
}
