// public enum CoordinateColisionOption { AllowCollisions, AssignToEmptyNeighbor }
public static Mask ConvertToMask(MaskF mask)
{
if (mask == null)
throw new ArgumentNullException(nameof(mask));
var original = mask.UnderlayingArray;
var usedPoints = new HashSet<Point>();
for (int i = 0; i < original.Length; i++)
{
var convertedPoint = original[i].ToPoint();
if (!usedPoints.Add(convertedPoint))
{
// Testing the 8 closest coordinates
int x = convertedPoint.X;
int y = convertedPoint.Y;
if (usedPoints.Add(new Point(x - 1, y - 1)) ||
usedPoints.Add(new Point(x - 1, y)) ||
usedPoints.Add(new Point(x - 1, y + 1)) ||
usedPoints.Add(new Point(x, y - 1)) ||
usedPoints.Add(new Point(x, y + 1)) ||
usedPoints.Add(new Point(x + 1, y - 1)) ||
usedPoints.Add(new Point(x + 1, y)) ||
usedPoints.Add(new Point(x + 1, y + 1))
)
continue;
}
}
var convertedMask = new Mask(usedPoints);
return convertedMask;
}
public static Mask Translate(Mask mask, int xOffset, int yOffset)
{
if (mask == null)
throw new ArgumentNullException(nameof(mask));
var original = mask.UnderlayingArray;
var transformedPoints = new Point[original.Length];
for (int i = 0; i < original.Length; i++)
{
var pt = original[i];
transformedPoints[i] = new Point(pt.X + xOffset, pt.Y + yOffset);
}
var translatedMask = new Mask();
translatedMask.points = transformedPoints;
translatedMask.Center = new Point(mask.Center.X + xOffset, mask.Center.Y + yOffset);
translatedMask.Left = mask.Left + xOffset;
translatedMask.Right = mask.Right + xOffset;
translatedMask.Top = mask.Top + yOffset;
translatedMask.Bottom = mask.Bottom + yOffset;
return translatedMask;
}
public void MaskNulLArgumentConstructor()
{
Reference = new Mask(null);
}
public void MaskEquals()
{
var other = new Mask(Reference);
Assert.AreEqual(Reference, other);
}
public void MaskEmptyCollectionConstructor()
{
Reference = new Mask(Array.Empty<Point>());
}
public void TestInitialize()
{
var numbers = Enumerable.Range(-1, 3);
var points = new List<Point>(9);
foreach (var x in numbers)
foreach (var y in numbers)
points.Add(new Point(x, y));
Reference = new Mask(points);
}