private IMagickImage ExecuteQuantize(XmlElement element, IMagickImageCollection collection)
{
Hashtable arguments = new Hashtable();
foreach (XmlElement elem in element.SelectNodes("*"))
{
arguments[elem.Name] = CreateQuantizeSettings(elem);
}
if (arguments.Count == 0)
{
collection.Quantize();
return(null);
}
else if (OnlyContains(arguments, "settings"))
{
collection.Quantize((QuantizeSettings)arguments["settings"]);
return(null);
}
else
{
throw new ArgumentException("Invalid argument combination for 'quantize', allowed combinations are: [] [settings]");
}
}