public Chord(ListPixel firstPixel, ListPixel secondPixel, double distance)
{
this.firstPixel = firstPixel;
this.secondPixel = secondPixel;
this.distance = distance;
if (firstPixel == null || secondPixel == null)
Console.WriteLine("Null pixels detected.");
else
this.orientation = calcOrientation();
}
public Chord(ListPixel firstPixel, ListPixel secondPixel, double distance)
{
this.firstPixel = firstPixel;
this.secondPixel = secondPixel;
this.distance = distance;
if (firstPixel == null || secondPixel == null)
{
Console.WriteLine("Null pixels detected.");
}
else
{
this.orientation = calcOrientation();
}
}
public void detectObjects(Color[,] imageToReturn)
{
Color[,] imageToProcess = (Color[, ])imageToReturn.Clone();
for (int x = 0; x < imageToProcess.GetLength(0); x++)
{
for (int y = 0; y < imageToProcess.GetLength(1); y++)
{
if (imageToProcess[x, y].ToArgb() == Color.Black.ToArgb())
{
Queue <ListPixel> queue = new Queue <ListPixel>();
List <ListPixel> pixelList = new List <ListPixel>();
bool[,] initialCanGo = new bool[3, 3];
for (int v = 0; v < 3; v++)
{
for (int w = 0; w < 3; w++)
{
int testX = x + v - 1;
int testY = y + w - 1;
if ((v != 1 || w != 1) && testX > 0 && testX < imageToProcess.GetLength(0) && testY > 0 && testY < imageToProcess.GetLength(1))
{
if (imageToProcess[testX, testY].ToArgb() == Color.Black.ToArgb())
{
initialCanGo[v, w] = true;
}
else
{
initialCanGo[v, w] = false;
}
}
else
{
initialCanGo[v, w] = false;
}
}
}
queue.Enqueue(new ListPixel(x, y, initialCanGo));
while (queue.Count > 0)
{
ListPixel queueItem = queue.Dequeue();
int newX = queueItem.X;
int newY = queueItem.Y;
if (imageToProcess[newX, newY].ToArgb() == Color.Black.ToArgb())
{
imageToProcess[newX, newY] = Color.White;
pixelList.Add(queueItem);
for (int v = 0; v < 3; v++)
{
for (int w = 0; w < 3; w++)
{
if (queueItem.CanGo[v, w])
{
queueItem.CanGo[v, w] = false;
bool[,] canGo = new bool[3, 3];
for (int n = 0; n < 3; n++)
{
for (int m = 0; m < 3; m++)
{
int nextX = newX + v + n - 2;
int nextY = newY + w + m - 2;
if ((n != 1 || m != 1) && nextX > 0 && nextX < imageToProcess.GetLength(0) && nextY > 0 && nextY < imageToProcess.GetLength(1))
{
if (imageToProcess[nextX, nextY].ToArgb() == Color.Black.ToArgb())
{
canGo[n, m] = true; // Need to check if there is already a path queued to it
}
else
{
canGo[n, m] = false;
}
}
else
{
canGo[n, m] = false;
}
}
}
queue.Enqueue(new ListPixel(newX + v - 1, newY + w - 1, canGo));
}
}
}
}
}
detectedObjects.Add(new ImageObject(pixelList));
}
}
}
// Filter 'empty' objects
int sumStack = 0;
foreach (var imageObject in detectedObjects)
{
sumStack += imageObject.Area;
}
int sumPixels = 0;
foreach (var pixel in imageToReturn)
{
sumPixels += pixel.ToArgb() == Color.Black.ToArgb() ? 1 : 0;
}
Console.WriteLine("Sum of stack sizes: {0}", sumStack);
Console.WriteLine("Sum of black pixels: {0}", sumPixels);
}
public static double calcDistance(ListPixel toCalcFrom, ListPixel toCalcTo)
{
return(Math.Sqrt(Math.Pow((double)toCalcTo.X - (double)toCalcFrom.X, 2) + Math.Pow((double)toCalcTo.Y - (double)toCalcFrom.Y, 2)));
}
public Chord(ListPixel firstPixel, ListPixel secondPixel)
: this(firstPixel, secondPixel, Chord.calcDistance(firstPixel, secondPixel))
{
// Calcs distance
}
public static double calcDistance(ListPixel toCalcFrom, ListPixel toCalcTo)
{
return Math.Sqrt(Math.Pow((double)toCalcTo.X - (double)toCalcFrom.X, 2) + Math.Pow((double)toCalcTo.Y - (double)toCalcFrom.Y, 2));
}
public Chord(ListPixel firstPixel, ListPixel secondPixel)
: this(firstPixel, secondPixel, Chord.calcDistance(firstPixel, secondPixel))
{
// Calcs distance
}