public static EcgValues FromCsv(string csvLine)
{
string[] values = csvLine.Split(' ');
EcgValues ecg = new EcgValues();
ecg.SampleNumber = int.Parse(values[0]);
ecg.Signal = (float.Parse(values[1], CultureInfo.InvariantCulture));
return(ecg);
}
private void ViewEkgButton_Click(object sender, RoutedEventArgs e)
{
DBHandler conn = new DBHandler();
conn.InitializeConnection();
List <string> ecgFilenames = conn.GetPatientEcgFilenames(Patient);
string filename = ecgFilenames.First();
conn.CloseConnection();
if (filename != null)
{
EcgValues[] values = File.ReadAllLines("./ecg/" + filename)
.Skip(1)
.Select(v => EcgValues.FromCsv(v))
.ToArray();
this.EProvider.Signal = values.Select(x => x.Signal).ToArray();
this.bitmapWidth = 500;
this.EProvider.offset = this.bitmapWidth;
var bitmap = this.DrawEcg(this.EProvider.GetSignal(0));
BitmapSource bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
bitmap.GetHbitmap(),
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromEmptyOptions()
);
this.EcgImage.Source = bitmapSource;
}
}
