public string Execute(FileItem item, string infile, string dest, ValuePairEnumerator configData)
{
var conf = new EnhanceViewModel(configData);
dest = Path.Combine(Path.GetDirectoryName(dest), Path.GetFileNameWithoutExtension(dest) + ".jpg");
using (MagickImage image = new MagickImage(infile))
{
if (conf.Normalize)
image.Normalize();
if (conf.AutoGamma)
image.AutoGamma();
image.BrightnessContrast(new Percentage(conf.Brightness), new Percentage(conf.Contrast));
if (conf.SContrast > 0)
image.SigmoidalContrast(true, conf.SContrast);
if (conf.Edge)
image.AdaptiveSharpen();
if (conf.Sharpen > 0)
image.UnsharpMask(1.5, 1.5, conf.Sharpen/100.0, 0.2);
image.Format = MagickFormat.Jpeg;
image.Write(dest);
}
return dest;
}
private void ExecuteAdaptiveSharpen(XmlElement element, MagickImage image)
{
Hashtable arguments = new Hashtable();
foreach (XmlAttribute attribute in element.Attributes)
{
if (attribute.Name == "channels")
arguments["channels"] = Variables.GetValue<Channels>(attribute);
else if (attribute.Name == "radius")
arguments["radius"] = Variables.GetValue<double>(attribute);
else if (attribute.Name == "sigma")
arguments["sigma"] = Variables.GetValue<double>(attribute);
}
if (arguments.Count == 0)
image.AdaptiveSharpen();
else if (OnlyContains(arguments, "channels"))
image.AdaptiveSharpen((Channels)arguments["channels"]);
else if (OnlyContains(arguments, "radius", "sigma"))
image.AdaptiveSharpen((double)arguments["radius"], (double)arguments["sigma"]);
else if (OnlyContains(arguments, "radius", "sigma", "channels"))
image.AdaptiveSharpen((double)arguments["radius"], (double)arguments["sigma"], (Channels)arguments["channels"]);
else
throw new ArgumentException("Invalid argument combination for 'adaptiveSharpen', allowed combinations are: [] [channels] [radius, sigma] [radius, sigma, channels]");
}
public void Test_AdaptiveSharpen()
{
using (MagickImage image = new MagickImage(Files.MagickNETIconPNG))
{
image.AdaptiveSharpen(10, 10);
#if Q8 || Q16
ColorAssert.AreEqual(new MagickColor("#a985e09ff96a"), image, 56, 68);
#elif Q16HDRI
ColorAssert.AreEqual(new MagickColor("#a8a8dfdff8f8"), image, 56, 68);
#else
#error Not implemented!
#endif
}
}
