It seems I made a tiepo when I created the EvaluateOperator enum. This will be fixed in the next release of Magick.NET. I will also rename QuantumOperator to Evaluate.
You can however use the following command for now:
You can however use the following command for now:
using (MagickImage image = new MagickImage("bpine_test.png")) { image.Alpha(AlphaOption.Set); image.QuantumOperator(Channels.Alpha, EvaluateOperator.Devide, 2); image.Write("bpine_out.png"); }