//constructors;
public Filler(DMSImage Source)
: base(new Size(Source.Width, Source.Height), Source, Color.Gray)
{
m_pixelindex = new Dictionary<int, int>();
m_pixels = new List<PixelInfo>();
m_resolution = START_RESOLUTION;
m_rand = new Random();
double delta = 0;
int iter = 0;
while (m_pixels.Count < MIN_PIXELS || delta > DELTA_THRESHOLD && iter < MAX_ITERS)
{
if (iter == MAX_ITERS || delta < DELTA_THRESHOLD)
{
iter = 0;
m_resolution >>= 1;
if (m_resolution == 0) break;
Console.Write("\n" + m_resolution);
//bring on new pixels if necessary
for (int u = 0; u < Source.Width; u += m_resolution)
{
for (int v = 0; v < Source.Height; v += m_resolution)
{
if (GetPixelHelper(u, v) == null)
{
PixelInfo newpixel = new PixelInfo(u, v, new Point3D());
newpixel.SetNeighbors(m_Source, m_resolution);
SetAvgColour(newpixel);
m_pixels.Add(newpixel);
m_pixelindex.Add(v * Source.Width + u, m_pixels.Count() - 1);
}
}
}
}
else
{
iter++;
}
Console.Write('.');
//do the averaging!
delta = 0.0;
if (m_pixels.Count() == 0) continue;
for (int i = 0; i < 10000; i++)
{
int idx = m_rand.Next(m_pixelindex.Count());
idx = m_pixelindex.Keys.ToArray()[idx];
int u = idx % Source.Width;
int v = idx / Source.Width;
int pixelidx = m_pixelindex[idx];
delta += SetAvgColour(m_pixels[pixelidx]);
}
}
Console.WriteLine();
}
private double SetAvgColour(PixelInfo pixel)
{
Point3D NewColor = new Point3D();
Point3D tmp;
int count = 0;
pixel.SetNeighbors(m_Source, m_resolution);
if (pixel.Up != 0)
{
tmp = GetPixelHelper(pixel.U, pixel.V - pixel.Up);
if (tmp != null)
{
NewColor += tmp;
count++;
}
}
if (pixel.Down != 0)
{
tmp = GetPixelHelper(pixel.U, pixel.V + pixel.Down);
if (tmp != null)
{
NewColor += tmp;
count++;
}
}
if (pixel.Left != 0)
{
tmp = GetPixelHelper(pixel.U - pixel.Left, pixel.V);
if (tmp != null)
{
NewColor += tmp;
count++;
}
}
if (pixel.Up != 0)
{
tmp = GetPixelHelper(pixel.U + pixel.Right, pixel.V);
if (tmp != null)
{
NewColor += tmp;
count++;
}
}
if (count == 0)
NewColor = new Point3D(128, 128, 128);
else
NewColor /= (double)count;
double Result = (pixel.color - NewColor).R;
pixel.color = NewColor;
return Result;
}
