private MagickImage ExecuteMap(XmlElement element, MagickImageCollection collection)
{
Hashtable arguments = new Hashtable();
foreach (XmlElement elem in element.SelectNodes("*"))
{
if (elem.Name == "image")
{
arguments["image"] = CreateMagickImage(elem);
}
else if (elem.Name == "settings")
{
arguments["settings"] = CreateQuantizeSettings(elem);
}
}
if (OnlyContains(arguments, "image"))
{
collection.Map((MagickImage)arguments["image"]);
return(null);
}
else if (OnlyContains(arguments, "image", "settings"))
{
collection.Map((MagickImage)arguments["image"], (QuantizeSettings)arguments["settings"]);
return(null);
}
else
{
throw new ArgumentException("Invalid argument combination for 'map', allowed combinations are: [image] [image, settings]");
}
}
public void Test_Map()
{
using (MagickImageCollection colors = new MagickImageCollection())
{
colors.Add(new MagickImage(MagickColors.Red, 1, 1));
colors.Add(new MagickImage(MagickColors.Green, 1, 1));
using (MagickImage remapImage = colors.AppendHorizontally())
{
using (MagickImageCollection collection = new MagickImageCollection())
{
ExceptionAssert.Throws<InvalidOperationException>(delegate ()
{
collection.Map(null);
});
ExceptionAssert.Throws<InvalidOperationException>(delegate ()
{
collection.Map(remapImage);
});
collection.Read(Files.RoseSparkleGIF);
ExceptionAssert.Throws<ArgumentNullException>(delegate ()
{
collection.Map(null);
});
QuantizeSettings settings = new QuantizeSettings();
settings.DitherMethod = DitherMethod.FloydSteinberg;
collection.Map(remapImage, settings);
ColorAssert.AreEqual(MagickColors.Red, collection[0], 60, 17);
ColorAssert.AreEqual(MagickColors.Green, collection[0], 37, 24);
ColorAssert.AreEqual(MagickColors.Red, collection[1], 58, 30);
ColorAssert.AreEqual(MagickColors.Green, collection[1], 36, 26);
ColorAssert.AreEqual(MagickColors.Red, collection[2], 60, 40);
ColorAssert.AreEqual(MagickColors.Green, collection[2], 17, 21);
}
}
}
}
private MagickImage ExecuteMap(XmlElement element, MagickImageCollection collection)
{
Hashtable arguments = new Hashtable();
foreach (XmlElement elem in element.SelectNodes("*"))
{
arguments[elem.Name] = CreateQuantizeSettings(elem);
}
if (arguments.Count == 0)
{
collection.Map();
return null;
}
else if (OnlyContains(arguments, "settings"))
{
collection.Map((QuantizeSettings)arguments["settings"]);
return null;
}
else
throw new ArgumentException("Invalid argument combination for 'map', allowed combinations are: [] [settings]");
}