public void ShouldNotSetTheAttributesWhenTheyAreNotSpecified()
{
using (var image = new MagickImage())
{
var settings = new KmeansSettings();
settings.SetImageArtifacts(image);
Assert.Empty(image.ArtifactNames);
}
}
public void ShouldNotSetTheAttributesWhenTheyAreNotSpecified()
{
using (var image = new MagickImage())
{
var settings = new KmeansSettings();
settings.SetImageArtifacts(image);
Assert.IsNull(image.GetArtifact("kmeans:seed-colors"));
}
}
public void ShouldThrowExceptionWhenMaxIterationsIsNegative()
{
var settings = new KmeansSettings
{
MaxIterations = -1,
};
using (var image = new MagickImage())
{
Assert.Throws <ArgumentException>("settings", () => image.Kmeans(settings));
}
}
public void ShouldThrowExceptionWhenNumberColorsIsNegative()
{
var settings = new KmeansSettings()
{
NumberColors = -1,
};
using (var image = new MagickImage())
{
ExceptionAssert.Throws <ArgumentException>("settings", () => image.Kmeans(settings));
}
}
public void ShouldReduceTheNumberOfColors()
{
var settings = new KmeansSettings
{
NumberColors = 5,
};
using (var image = new MagickImage(Files.Builtin.Logo))
{
image.Kmeans(settings);
ColorAssert.Equal(new MagickColor("#f0fb6f8c3098"), image, 430, 225);
}
}
public void ShouldSetSeedColors()
{
using (var image = new MagickImage())
{
var settings = new KmeansSettings()
{
SeedColors = "red;blue",
};
settings.SetImageArtifacts(image);
Assert.AreEqual("red;blue", image.GetArtifact("kmeans:seed-colors"));
}
}
public void ShouldRemoveSeedColors()
{
using (var image = new MagickImage())
{
var settings = new KmeansSettings
{
SeedColors = "red;blue",
};
settings.SetImageArtifacts(image);
settings.RemoveImageArtifacts(image);
Assert.Empty(image.ArtifactNames);
}
}
public void ShouldSetSeedColorsAsAnArtifact()
{
var settings = new KmeansSettings()
{
SeedColors = "red;green",
NumberColors = 1,
};
using (var image = new MagickImage(MagickColors.Red, 1, 1))
{
image.Kmeans(settings);
Assert.AreEqual("red;green", image.GetArtifact("kmeans:seed-colors"));
}
}
public void ShouldRemoveSeedColors()
{
using (var image = new MagickImage())
{
var settings = new KmeansSettings()
{
SeedColors = "red;blue",
};
settings.SetImageArtifacts(image);
settings.RemoveImageArtifacts(image);
Assert.IsNull(image.GetArtifact("kmeans:seed-colors"));
}
}
public void ShouldSetSeedColors()
{
using (var image = new MagickImage())
{
var settings = new KmeansSettings
{
SeedColors = "red;blue",
};
ArtifactsHelper.SetImageArtifacts(image, settings);
Assert.Single(image.ArtifactNames);
Assert.Equal("red;blue", image.GetArtifact("kmeans:seed-colors"));
}
}
