public static void SortVerticalsBelowThreshold(PixelWrapper Image, byte threshold)
{
List <Pixel> Unsorted = Image.GetPixels();
Pixel[] Sorted = Unsorted.ToArray();
for (int x = 0; x < Image.Width; x++)
{
List <Pixel> Col = new List <Pixel>();
// Split out vertical column
for (int y = Image.Height - 1; y >= 0; y--)
{
Col.Add(Unsorted[(y * Image.Width) + x]);
}
int i = NextOverThreshold(Col, 0, Col.Count, threshold);
int end = (i >= 0) ? i : Col.Count;
Col.RemoveRange(end, Col.Count - end);
Col.Sort();
// Reconstruct
for (int y = Image.Height - 1, j = 0; j < Col.Count; y--, j++)
{
Sorted[(y * Image.Width) + x] = Col[j];
}
}
Image.SetPixels(Sorted.ToList());
}
public static void SortHorizontals(PixelWrapper Image)
{
List <Pixel> Unsorted = Image.GetPixels();
Pixel[] Sorted = new Pixel[Unsorted.Count];
for (int y = 0; y < Image.Height; y++)
{
List <Pixel> Row = new List <Pixel>();
// Split out vertical column
for (int x = 0; x < Image.Width; x++)
{
Row.Add(Unsorted[(y * Image.Width) + x]);
}
Row.Sort();
// Reconstruct
for (int x = 0; x < Row.Count; x++)
{
Sorted[(y * Image.Width) + x] = Row[x];
}
}
Image.SetPixels(Sorted.ToList());
}
public static void SortVerticals(PixelWrapper Image)
{
List <Pixel> Unsorted = Image.GetPixels();
Pixel[] Sorted = new Pixel[Unsorted.Count];
for (int x = 0; x < Image.Width; x++)
{
List <Pixel> Col = new List <Pixel>();
// Split out vertical column
for (int y = 0; y < Image.Height; y++)
{
Col.Add(Unsorted[(y * Image.Width) + x]);
}
Col.Sort();
// Reconstruct
for (int y = 0; y < Col.Count; y++)
{
Sorted[(y * Image.Width) + x] = Col[y];
}
}
Image.SetPixels(Sorted.ToList());
}
public static void SortHorizontalsBelowThreshold(PixelWrapper Image, byte threshold)
{
List <Pixel> Unsorted = Image.GetPixels();
Pixel[] Sorted = Unsorted.ToArray();
for (int y = 0; y < Image.Height; y++)
{
List <Pixel> Row = new List <Pixel>();
// NextOverThreshold returns -1 if no matching pixel is found
// so set 'end' index to the first thresholded pixel if it's not -1,
// otherwise set it to the end of the row (Image.Width)
int i = NextOverThreshold(Unsorted, (y * Image.Width), (y * Image.Width) + Image.Width, threshold);
int end = (i >= 0) ? (i - (y * Image.Width)) : Image.Width;
// Split out vertical column
for (int x = 0; x < end; x++)
{
Row.Add(Unsorted[(y * Image.Width) + x]);
}
Row.Sort();
// Reconstruct
for (int x = 0; x < Row.Count; x++)
{
Sorted[(y * Image.Width) + x] = Row[x];
}
}
Image.SetPixels(Sorted.ToList());
}
public static void SortWhole(PixelWrapper Image)
{
List <Pixel> Sorted = Image.GetPixels();
Sorted.Sort();
Image.SetPixels(Sorted);
}