private static Hole FindHole(HoleFinder holeFinder)
{
var hole = holeFinder.FindHole();
if (hole != null)
{
Console.WriteLine($"Total holes pixels: {hole.HolePixels.Count}");
Console.WriteLine($"Total boundary pixels: {hole.Boundary.Count}");
foreach (var pt in hole.Boundary)
{
Console.Write($"({pt.X}, {pt.Y}), ");
}
Console.WriteLine();
}
return(hole);
}
public void BasicSanityTest()
{
// arrange
var t = new float[, ]
{
{ 0.1F, 0.2F, 0.3F },
{ 0.1F, -1F, 0.3F },
{ 0.1F, 0.2F, 0.3F }
};
var holeFinder = new HoleFinder(new ImageMatrix(t));
// act
var hole = holeFinder.FindHole(new MooreTrace());
// assert
Assert.AreEqual(hole.Boundary.Count, 8);
Assert.AreEqual(hole.HolePixels.Count, 1);
}
public void Edges8Test()
{
// arrange
var t = new float[, ]
{
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
};
var holeFinder = new HoleFinder(new ImageMatrix(t));
// act
var hole = holeFinder.FindHole(new MooreTrace());
// assert
Assert.IsNull(hole);
}
public void DumbbellShapeTest()
{
// arrange
var t = new float[, ]
{
{ 0.1F, 0.2F, 0.2F, 0.2F, 0.3F, 0.4F, 0.5F },
{ 0.1F, 0.2F, 0.2F, -1F, 0.3F, 0.4F, 0.5F },
{ 0.1F, -1F, -1F, -1F, -1F, 0.4F, 0.5F },
{ 0.1F, -1F, -1F, -1F, -1F, 0.2F, 0.5F },
{ 0.1F, 0.2F, 0.2F, 0.2F, 0.2F, 0.4F, 0.5F },
{ 0.1F, 0.2F, 0.2F, 0.2F, 0.3F, 0.4F, 0.5F },
{ 0.1F, 0.2F, 0.2F, 0.2F, 0.3F, 0.4F, 0.5F }
};
var holeFinder = new HoleFinder(new ImageMatrix(t));
// act
var hole = holeFinder.FindHole(new MooreTrace());
// assert
Assert.AreEqual(hole.Boundary.Count, 18);
Assert.AreEqual(hole.HolePixels.Count, 9);
}
public void Edges7Test()
{
// arrange
var t = new float[, ]
{
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
{ -1F, -1F, -1F, -1F, -1F, -1F, -1F },
{ 0.1F, 0.2F, 0.3F, 0.2F, 0.3F, 0.4F, 0.5F },
{ 0.1F, 0.2F, 0.3F, 0.2F, 0.3F, 0.4F, 0.5F },
{ 0.1F, 0.2F, 0.3F, 0.2F, 0.3F, 0.4F, 0.5F },
{ 0.1F, 0.2F, 0.3F, 0.2F, 0.3F, 0.4F, 0.5F },
{ 0.1F, 0.2F, 0.3F, 0.2F, 0.3F, 0.4F, 0.5F }
};
var holeFinder = new HoleFinder(new ImageMatrix(t));
// act
var hole = holeFinder.FindHole(new MooreTrace());
// assert
Assert.AreEqual(hole.Boundary.Count, 7);
// Assert.AreEqual(hole.HolePixels.Count, 4); - will fail, CoveringRectangle algorithm can't deal with this scenario
}
static void Main(string[] args)
{
ImageHandler imgHandler = null;
HoleFinder holeFinder = null;
HoleFixer holeFixer = null;
string key = "";
while (key != "q")
{
Console.WriteLine("Please choose what to do:");
Console.WriteLine(" (L)oad an image ");
if (imgHandler != null)
{
Console.WriteLine(" (E)nter a hole location ");
}
if (imgHandler?.Matrix.IsHoled == true)
{
Console.WriteLine(" (F)ind hole ");
}
if (holeFinder?.Hole != null)
{
Console.WriteLine(" (M)end hole ");
}
if (imgHandler != null)
{
Console.WriteLine(" (S)ave the image ");
}
Console.WriteLine(" (Q)uit ");
key = Console.ReadLine();
switch (key.ToUpper())
{
case "L":
Load(ref imgHandler, ref holeFinder, ref holeFixer);
break;
case "E":
if (imgHandler != null)
{
EnterHole(imgHandler);
}
break;
case "F":
if (imgHandler?.Matrix.IsHoled == true)
{
FindHole(holeFinder);
}
break;
case "M":
if (imgHandler?.Matrix.IsHoled == true && holeFinder?.Hole != null)
{
MendHole(holeFinder.Hole, holeFixer);
holeFinder.FindHole(); // will set Hole to null if no hole found
}
break;
case "S":
if (imgHandler != null)
{
SaveImage(imgHandler);
}
break;
case "Q":
return;
default:
Console.WriteLine("No such function; Please choose again");
break;
}
Console.WriteLine();
Console.WriteLine("***************");
}
}