public WatershedStructure(Bitmap image)
{
Structure = new WatershedPixel[image.Width, image.Height];
//Remplissage du tableau
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
int gsv = (image.GetPixel(x, y).R + image.GetPixel(x, y).G + image.GetPixel(x, y).B) / 3;
Structure[x, y] = new WatershedPixel(x, y, gsv);
}
}
//Références des voisins
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
WatershedPixel wp = Structure[x, y];
for (int i = -1; i < 2; i++)
{
for (int j = -1; j < 2; j++)
{
if (i != 0 || j != 0)
{
try
{
wp.addNeighbour(Structure[x + i, y + j]);
}
catch (IndexOutOfRangeException e) { }
}
}
}
wp.initDepth();
}
}
}
public MeyerStruct(Bitmap image)
{
Structure = new List <WatershedPixel>();
int width = image.Width;
int height = image.Height;
//Remplissage du tableau
for (int y = 0; y < image.Height; y++)
{
for (int x = 0; x < image.Width; x++)
{
int gsv = (image.GetPixel(x, y).R + image.GetPixel(x, y).G + image.GetPixel(x, y).B) / 3;
Structure.Add(new WatershedPixel(x, y, gsv));
}
}
for (int y = 0; y < height; y++)
{
int offset = y * width;
int topOffset = offset + width;
int bottomOffset = offset - width;
for (int x = 0; x < width; x++)
{
WatershedPixel currentPixel = (WatershedPixel)Structure.ElementAt(x + offset);
if (x + 1 < width)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x + 1 + offset));
if (y - 1 >= 0)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x + 1 + bottomOffset));
}
if (y + 1 < height)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x + 1 + topOffset));
}
}
if (x - 1 >= 0)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x - 1 + offset));
if (y - 1 >= 0)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x - 1 + bottomOffset));
}
if (y + 1 < height)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x - 1 + topOffset));
}
}
if (y - 1 >= 0)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x + bottomOffset));
}
if (y + 1 < height)
{
currentPixel.addNeighbour((WatershedPixel)Structure.ElementAt(x + topOffset));
}
}
}
Structure.Sort();
}
