private static void InitializeProcessors(IEnumerable <Type> types)
{
var filters = Enum.GetNames(typeof(Filters)).Select(x => x.ToLowerInvariant()).ToArray();
var methods = new List <MethodInfo>();
foreach (var type in types)
{
methods.AddRange(type.GetMethods());
}
foreach (var method in methods)
{
var filterProcessor = method.GetCustomAttributes(typeof(FilterProcessor), true);
if (filterProcessor.Length == 1)
{
var filter = (filterProcessor[0] as FilterProcessor)?.Filter.ToLowerInvariant();
if (!string.IsNullOrEmpty(filter) && filters.Contains(filter))
{
var instance = new ImageProcessors();
var processor = (Func <Bitmap, int[], Bitmap>)method.CreateDelegate(typeof(Func <Bitmap, int[], Bitmap>), instance);
ImageProcessors.Add(filter, processor);
}
}
}
}
public static Bitmap ApplyFilter(Bitmap bitmap, string filter, int[] selection)
{
if (ImageProcessors.TryGetValue(filter, out var processor))
{
return(processor(bitmap, selection));
}
return(null);
}
