public double Calculate(GenerationImage image)
{
double error = 0;
using (Bitmap bitmap = image.GetBitmap())
{
int width = bitmap.Width;
int height = bitmap.Height;
using (Graphics g = Graphics.FromImage(bitmap))
{
image.Render(g);
BitmapData bmd = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Color c1 = GetPixel(bmd, x, y);
Color c2 = _source[x, y];
double pixelError = GetColorFitness(c1, c2);
error += pixelError;
}
}
bitmap.UnlockBits(bmd);
}
}
return(error);
}
private void InitializeImages(Image image)
{
_sourceImage = image;
pictureBoxSource.Image = image;
int width = image.Width;
int height = image.Height;
_sourceColors = new Color[width, height];
using (Bitmap b = new Bitmap(image))
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
Color c = b.GetPixel(x, y);
_sourceColors[x, y] = c;
}
}
}
_fitness = new Fitness(_sourceColors);
_currentResultImage = new GenerationImage(width, height);
_currentResultScore = double.MaxValue;
}
private void RunGeneration()
{
GenerationImage bestNewImage = null;
double bestNewScore = double.MaxValue;
for (int i = 0; i < 40; i++)
{
GenerationImage newImage = _currentResultImage.Clone();
MutateImage(newImage);
double score = _fitness.Calculate(newImage);
if (score < bestNewScore)
{
bestNewImage = newImage.Clone();
bestNewScore = score;
}
}
if (bestNewScore < _currentResultScore)
{
_currentResultImage = bestNewImage.Clone();
_currentResultScore = bestNewScore;
}
_generationCount++;
}
public GenerationImage Clone()
{
GenerationImage image = new GenerationImage(_width, _height);
foreach (IElement element in _elements)
{
image._elements.Add(element);
}
return(image);
}
private void MutateImage(GenerationImage image)
{
if (radioButtonDot.Checked)
{
image.Mutate <Dot>(ColorMode);
}
else if (radioButtonLine.Checked)
{
image.Mutate <Line>(ColorMode);
}
else if (radioButtonPolygon.Checked)
{
image.Mutate <Polygon>(ColorMode);
}
}