public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
int maxValue = (int)values[0];
int minValue = (int)values[1];
double graphHeight = (double)values[2];
double graphWidth = (double)values[3];
ObservableCollection <HRData> hrData = (ObservableCollection <HRData>)values[4];
int numOfVisibleItems = (int)values[5];
IList <int> bpms = new List <int>();
for (int hrDataIndex = 0; hrDataIndex < hrData.Count; hrDataIndex++)
{
bpms.Add(hrData[hrDataIndex].Bpm);
}
int valuesRange = maxValue - minValue;
IList <Point> normalizedToGraphBpms = new List <Point>();
for (int i = 0; i < bpms.Count; i++)
{
Point point = new Point();
if (i == 0)
{
point = new Point(0, ScaleConverterUtility.GetTopOffset(graphHeight, bpms[i], minValue, maxValue));
}
else
{
point = new Point(normalizedToGraphBpms[i - 1].X + (ScaleConverterUtility.GetLeftOffset(graphWidth, numOfVisibleItems)),
ScaleConverterUtility.GetTopOffset(graphHeight, bpms[i], minValue, maxValue));
}
normalizedToGraphBpms.Add(point);
}
return(normalizedToGraphBpms);
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
int index = (int)values[0];
double graphWidth = (double)values[1];
int numOfVisibleItems = (int)values[2];
double leftMargin = (ScaleConverterUtility.GetLeftOffset(graphWidth, numOfVisibleItems)) * index;
return(new Thickness(leftMargin - 5, 0, 0, 0));
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
int itemsCount = (int)values[0];
var item = (HRData)values[1];
int itemIndex = item.Index;
double graphWidth = (double)values[2];
double graphHeight = (double)values[3];
if (itemIndex == 0)
{
return(new Thickness(-15, graphHeight, 0, 0));
}
double leftMargin = (ScaleConverterUtility.GetLeftOffset(graphWidth, itemsCount)) * itemIndex;
return(new Thickness(leftMargin - 15, graphHeight, 0, 0));
}