/// <summary>
/// Tries to build areas of similar coloured connected pixels
/// (this Function assumes a grayscale image as imput(
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public static ImageBuffer CreepArea(this ImageBuffer buffer)
{
byte[] source = buffer.Bytes;
ImageBuffer output = buffer.Clone();
byte[] target = output.Bytes;
for (int y = 0; y < output.Height - 1; y++)
{
for (int x = 1; x < output.Width - 1; x++)
{
int ix = y * output.Stride + x * 4;
if (ix % 2 == 0)
{
int il = ix - 4;
ImageCreep.AverageOut(target, ix, il);
}
else
{
int ir = ix + 4;
ImageCreep.AverageOut(target, ix, ir);
}
int id = (y + 1) * output.Stride + x * 4;
ImageCreep.AverageOut(target, ix, id);
}
}
return(output);
}
public static ImageBuffer CreepArea(this ImageBuffer buffer, int repeats)
{
ImageBuffer clone = buffer.Clone();
for (int i = 0; i < repeats; i++)
{
clone = clone.CreepArea();
}
return(clone);
}
public static ImageBuffer SuperImpoze(this ImageBuffer image, ImageBuffer impoze)
{
ImageBuffer output = image.Clone();
for (int k = 0; k < output.Bytes.Length; k += 4)
{
output.Bytes[k + 0] = ByteConversion.MinAtLevel(impoze.Bytes[k + 0], 1, output.Bytes[k + 0]);
output.Bytes[k + 1] = ByteConversion.MinAtLevel(impoze.Bytes[k + 1], 1, output.Bytes[k + 1]);
output.Bytes[k + 2] = ByteConversion.MinAtLevel(impoze.Bytes[k + 2], 1, output.Bytes[k + 2]);
output.Bytes[k + 3] = 255;
}
return(output);
}
public static ImageBuffer MapAndAverage(this ImageBuffer buffer, int x, int y)
{
var map = buffer.CloneFormat().Fill(Color.FromArgb(0));
var work = new List <Coordinate>();
var clone = buffer.Clone();
var origin = new Coordinate(x, y);
int i = map.Index(origin);
map.Bytes[i] = 1;
int j = map.Index(origin.Right());
return(map);
}
public static ImageBuffer DoeIets(this ImageBuffer input)
{
return(input.Clone());
}