private void Calculate(List <BitArray> unpackedImage, List <BitArray> previousUnpackedImage, PhotonLayer photonLayer)
{
islandRows = new List <BitArray>();
isLandsCount = 0;
photonLayer.Clear();
for (int y = 0; y < unpackedImage.Count; y++)
{
BitArray currentRow = unpackedImage[y];
BitArray prevRow = previousUnpackedImage?[y];
if (currentRow != null)
{
int x = 0;
while ((x = currentRow.NextSetBit(x)) >= 0)
{
if (prevRow == null || prevRow[x])
{
photonLayer.Supported(x, y);
}
else
{
photonLayer.Island(x, y);
}
++x;
}
}
}
photonLayer.Reduce();
isLandsCount = photonLayer.SetIslands(islandRows);
}
private int Fixit(Action <string> reportProgress, PhotonLayer layer, PhotonFileLayer fileLayer, int loops)
{
int changed = layer.Fixlayer();
if (changed > 0)
{
layer.Reduce();
fileLayer.UpdateLayerIslands(layer);
reportProgress?.Invoke(", " + changed + " pixels changed");
if (loops > 0)
{
changed += Fixit(reportProgress, layer, fileLayer, loops - 1);
}
}
return(changed);
}
