public void GenerateMatrix(int rows, int cols, NCalc.Expression generator)
{
Matrix = new ObservableCollection <ObservableCollection <FilterItem> >();
if (rows > 0 && cols > 0)
{
try
{
for (int i = 0; i < rows; i++)
{
Matrix.Add(new ObservableCollection <FilterItem>());
for (int j = 0; j < cols; j++)
{
generator.Parameters["y"] = (float)i;
generator.Parameters["x"] = (float)j;
Matrix[i].Add(new FilterItem((float)generator.ComputeDouble()));
}
}
Matrix[rows / 2][cols / 2].IsAnchor = true;
OnPropertyChanged(nameof(Matrix));
OnPropertyChanged(nameof(Anchor));
}
catch (Exception)
{
GenerateMatrix(rows, cols, new NCalc.Expression("0"));
}
}
}
private void ApplyFunction(object parameter)
{
var func = new NCalc.Expression(Function)
{
Parameters =
{
["anchX"] = (float)AnchorX,
["anchY"] = (float)AnchorY,
["rows"] = (float)Rows,
["cols"] = (float)Cols
}
};
try
{
for (int x = 0; x < CurrentFilter.Matrix.Count; x++)
{
for (int y = 0; y < CurrentFilter.Matrix.FirstOrDefault()?.Count; y++)
{
func.Parameters["y"] = (float)x;
func.Parameters["x"] = (float)y;
float digit = (float)func.ComputeDouble();
CurrentFilter.Matrix[x][y].Coeficient = digit;
}
}
OnPropertyChanged(nameof(CurrentFilter));
}
catch (Exception exception)
{
MessageBox.Show($"{exception.Message}", "Function Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}