void CheckBasic(IBitmap b)
{
b[1, 1] = true;
b[2, 2] = false;
Assert.True(b[1, 1]);
Assert.False(b[2, 2]);
Assert.True(b[new VectorInt2(1, 1)]);
Assert.False(b[new VectorInt2(2, 2)]);
Assert.Equal(1, b.Count());
var asList = b.ForEach().ToList();
Assert.Contains((new VectorInt2(1, 1), true), asList);
Assert.Contains((new VectorInt2(2, 2), false), asList);
var hash = b.GetHashCode();
Assert.NotEqual(0, hash);
var clone = new Bitmap(b);
Assert.Equal(b, clone);
Assert.True(b.Equals(clone));
Assert.Equal(0, b.CompareTo(clone));
Assert.Equal(b, b.BitwiseOR(b));
Assert.Equal(b, b.BitwiseAND(b));
Assert.True(b.SizeInBytes() > 0);
}
public static List <VectorInt2> IndexPositions(IBitmap map)
{
return(map.ForEach().Where(x => x.Item2).Select(x => x.Item1).ToList());
}