private void ExecuteAlgorithm(int x, int y, IsValidHandler isValid, PointActionHandler action)
{
///Flood-Fill algorithm
Queue<Point> q = new Queue<Point>();
if (regionMask[x, y])
return;
q.Enqueue(new Point(x, y));
while (q.Count > 0)
{
Point p = q.Peek();
int x1 = p.X;
int y1 = p.Y;
if (isValid.Invoke(p))
{
action.Invoke(p.X, p.Y);
}
if (isValid.Invoke(new Point(x1, y1 + 1)))
{
action.Invoke(x1, y1 + 1);
q.Enqueue(new Point(x1, y1 + 1));
}
if (isValid.Invoke(new Point(x1, y1 - 1)))
{
action.Invoke(x1, y1 - 1);
q.Enqueue(new Point(x1, y1 - 1));
}
if (isValid.Invoke(new Point(x1 + 1, y1)))
{
action.Invoke(x1 + 1, y1);
q.Enqueue(new Point(x1 + 1, y1));
}
if (isValid.Invoke(new Point(x1 - 1, y1)))
{
action.Invoke(x1 - 1, y1);
q.Enqueue(new Point(x1 - 1, y1));
}
q.Dequeue();
if (border)
{
q.Clear();
depth = Int32.MaxValue;
}
}
///end of Flood-Fill algorithm
}
private void ExecuteAlgorithm(int x, int y, IsValidHandler isValid, PointActionHandler action)
{
///Flood-Fill algorithm
Queue<Point> q = new Queue<Point>();
if (regionMask[x, y] != 0)
return;
q.Enqueue(new Point(x, y));
while (q.Count > 0)
{
Point p = q.Peek();
int x1 = p.X;
int y1 = p.Y;
if (isValid.Invoke(p) & !trainset.Contains(image.GetPixel(x1, y1)))
{
action.Invoke(p.X, p.Y);
}
if (isValid.Invoke(new Point(x1, y1 + 1)))
{
action.Invoke(x1, y1 + 1);
q.Enqueue(new Point(x1, y1 + 1));
}
if (isValid.Invoke(new Point(x1, y1 - 1)))
{
action.Invoke(x1, y1 - 1);
q.Enqueue(new Point(x1, y1 - 1));
}
if (isValid.Invoke(new Point(x1 + 1, y1)))
{
action.Invoke(x1 + 1, y1);
q.Enqueue(new Point(x1 + 1, y1));
}
if (isValid.Invoke(new Point(x1 - 1, y1)))
{
action.Invoke(x1 - 1, y1);
q.Enqueue(new Point(x1 - 1, y1));
}
q.Dequeue();
}
///end of Flood-Fill algorithm
}
