public string Execute(FileItem item, string infile, string dest, ValuePairEnumerator configData)
{
var conf = new ChromakeyViewModel(configData);
dest = Path.Combine(Path.GetDirectoryName(dest), Path.GetFileNameWithoutExtension(dest) + ".jpg");
KalikoImage image = new KalikoImage(infile);
var x = (System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString(conf.BackgroundColor);
var filter = new ChromaKeyFilter();
filter.KeyColor = Color.FromArgb(x.R, x.G, x.B);
filter.ToleranceHue = conf.Hue;
filter.ToleranceSaturnation = conf.Saturnation/100f;
filter.ToleranceBrightness = conf.Brigthness / 100f;
image.ApplyFilter(filter);
var res = image.Clone();
if (conf.UnsharpMask)
res.ApplyFilter(new UnsharpMaskFilter(1.4f, 1.32f, 5));
var backdrop = new KalikoImage(conf.BackgroundFile);
backdrop = backdrop.Scale(new FitScaling(image.Width, image.Height));
backdrop.BlitImage(res);
backdrop.SaveJpg(dest, 90);
return dest;
}
