public Task <RGBPixel[, ]> Mix(IList <RGBPixel[, ]> sources, ulong frame)
{
// Schneller Ausgang
if (sources.Count == 1)
{
return(Task.FromResult(sources[0]));
}
Func <RGBPixel, RGBPixel, RGBPixel> fn;
switch (this.Operator)
{
case Operatoren.Max:
fn = (a, b) => a = RGBPixel.Max(a, b);
break;
case Operatoren.Min:
fn = (a, b) => a = RGBPixel.Min(a, b);
break;
case Operatoren.Add:
fn = (a, b) => a = a + b;
break;
case Operatoren.Sub:
fn = (a, b) => a = a - b;
break;
case Operatoren.Mul:
fn = (a, b) => a = a * b;
break;
case Operatoren.Div:
fn = (a, b) => a = a / b;
break;
default:
fn = (a, b) => a;
break;
}
// erstes Ding klonen.
RGBPixel[,] res = sources[0].Clone2(o => o);
for (int i = 1; i < sources.Count; i++)
{
res.MapInplace(sources[i], fn);
}
return(Task.FromResult(res));
}
