public void Test_ConnectedComponents()
{
using (MagickImage image = new MagickImage(Files.ConnectedComponentsPNG))
{
using (MagickImage temp = image.Clone())
{
temp.Blur(0, 10);
temp.Threshold((Percentage)50);
ConnectedComponent[] components = temp.ConnectedComponents(4).OrderBy(c => c.X).ToArray();
Assert.AreEqual(7, components.Length);
Assert.IsNull(temp.GetArtifact("connected-components:area-threshold"));
Assert.IsNull(temp.GetArtifact("connected-components:mean-color"));
Test_Component(image, components[1], 94, 297, 128, 151);
Test_Component(image, components[2], 99, 554, 128, 150);
Test_Component(image, components[3], 267, 432, 89, 139);
Test_Component(image, components[4], 301, 202, 148, 143);
Test_Component(image, components[5], 341, 622, 136, 150);
Test_Component(image, components[6], 434, 411, 88, 139);
}
#if !Q8
using (MagickImage temp = image.Clone())
{
ConnectedComponentsSettings settings = new ConnectedComponentsSettings()
{
Connectivity = 4,
MeanColor = true,
AreaThreshold = 400
};
ConnectedComponent[] components = temp.ConnectedComponents(settings).OrderBy(c => c.X).ToArray();
Assert.AreEqual(13, components.Length);
Assert.IsNotNull(temp.GetArtifact("connected-components:area-threshold"));
Assert.IsNotNull(temp.GetArtifact("connected-components:mean-color"));
Test_Component(image, components[1], 90, 293, 139, 162);
Test_Component(image, components[2], 96, 550, 138, 162);
Test_Component(image, components[3], 213, 633, 1, 2);
Test_Component(image, components[4], 215, 637, 3, 1);
Test_Component(image, components[5], 217, 641, 3, 1);
Test_Component(image, components[6], 219, 645, 3, 1);
Test_Component(image, components[7], 221, 647, 3, 1);
Test_Component(image, components[8], 268, 433, 89, 139);
Test_Component(image, components[9], 298, 198, 155, 151);
Test_Component(image, components[10], 337, 618, 148, 158);
Test_Component(image, components[11], 410, 247, 2, 1);
Test_Component(image, components[12], 434, 411, 88, 140);
}
#endif
}
}
