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);
}
private void openButton_Click(object sender, EventArgs e)
{
DialogResult result = openImageDialog.ShowDialog();
if (result == DialogResult.OK)
{
ImagePath = previewBox.ImageLocation = openImageDialog.FileName;
Image = new PixelWrapper(ImagePath);
previewBox.Update();
}
}
private void resetButton_Click(object sender, EventArgs e)
{
if (Image == null)
{
return;
}
Image = new PixelWrapper(ImagePath);
previewBox.ImageLocation = ImagePath;
previewBox.Update();
progressBar.Value = 0;
}