public void CalcNonDivTileAvgRGB(int s)
{
int r = 0, g = 0, b = 0;
if (s != bitmap.Width)
{
bitmap = ImageProc.ScaleImage(bitmap, s);
}
int size = bitmap.Height * bitmap.Height;
for (int y = 0; y < bitmap.Height; ++y)
{
for (int x = 0; x < bitmap.Height; ++x)
{
r += (int)bitmap.GetPixel(x, y).R;
g += (int)bitmap.GetPixel(x, y).G;
b += (int)bitmap.GetPixel(x, y).B;
}
}
r /= size;
g /= size;
b /= size;
avg.R = r;
avg.G = g;
avg.B = b;
}
public Bitmap GenerateByNormalMethod(BackgroundWorker worker, Bitmap src, int blockSize, List <Tile> tiles, int tileSize, int version)
{
int v = (version * 4 + 17) * 2 + 1;
int dstSize = v * tileSize; // Depend on qr version
double blockTotal = blockSize * blockSize;
int width = v * blockSize;
int height = width;
Bitmap newSrc = ImageProc.ScaleImage(src, width, height); // scaled src
Bitmap dst = new Bitmap(dstSize, dstSize); // final result
List <int> candidates = new List <int>(); // choosen index of candidate'
int currDstH = 0;
int currDstW = 0;
for (int y = 0; y < newSrc.Height; y += blockSize)
{
//currDstH = 0;
currDstW = 0;
//main.wor
worker.ReportProgress((y * 90) / newSrc.Height + 10);
for (int x = 0; x < newSrc.Width; x += blockSize)
{
ColorSpace.RGB blockAvg;
double blockAvgR = 0.0f, blockAvgG = 0.0f, blockAvgB = 0.0f;
Bitmap currBlock = new Bitmap(blockSize, blockSize);
int currX = 0, currY = 0;
blockAvg.R = blockAvg.G = blockAvg.B = 0;
for (int i = y; i < y + blockSize; ++i)
{
for (int j = x; j < x + blockSize; ++j)
{
blockAvgR += Convert.ToDouble(newSrc.GetPixel(j, i).R);
blockAvgG += Convert.ToDouble(newSrc.GetPixel(j, i).G);
blockAvgB += Convert.ToDouble(newSrc.GetPixel(j, i).B);
currBlock.SetPixel(currX++, currY, newSrc.GetPixel(j, i));
}
currY++;
currX = 0;
}
blockAvgR /= blockTotal;
blockAvgG /= blockTotal;
blockAvgB /= blockTotal;
double min = double.MaxValue;
double max = double.MinValue;
Tile candiate = null;
foreach (Tile tile in tiles)
{
//if (tile.isSelected)
// continue;
double r = Math.Pow(((double)tile.avg.R - blockAvgR), 2);
double g = Math.Pow(((double)tile.avg.G - blockAvgG), 2);
double b = Math.Pow(((double)tile.avg.B - blockAvgB), 2);
double d = Math.Sqrt(r + g + b);
if (d < min)
{
min = d;
candiate = tile;
}
if (d > max)
{
max = d;
}
}
//candiate.isSelected = true;
#region Replace the block by candiate tile
currBlock = ImageProc.ScaleImage(currBlock, tileSize);
int tw = 0, th = 0;
double alpha = min / max;
double var_B = (double)candiate.avg.B - blockAvgB;
double var_G = (double)candiate.avg.G - blockAvgG;
double var_R = (double)candiate.avg.R - blockAvgR;
for (int h = currDstH; th < tileSize; ++h)
{
for (int w = currDstW; tw < tileSize; ++w)
{
// out of range, overflow
ColorSpace.RGB rgb;
//rgb.R = (int)(Convert.ToDouble(currBlock.GetPixel(tw, th).R) * alpha + (1 - alpha) * Convert.ToDouble(candiate.bitmap.GetPixel(tw, th).R));
//rgb.G = (int)(Convert.ToDouble(currBlock.GetPixel(tw, th).G) * alpha + (1 - alpha) * Convert.ToDouble(candiate.bitmap.GetPixel(tw, th).G));
//rgb.B = (int)(Convert.ToDouble(currBlock.GetPixel(tw, th).B) * alpha + (1 - alpha) * Convert.ToDouble(candiate.bitmap.GetPixel(tw++, th).B));
rgb.R = Convert.ToInt32(Convert.ToDouble(candiate.bitmap.GetPixel(tw, th).R) - var_R);
rgb.G = Convert.ToInt32(Convert.ToDouble(candiate.bitmap.GetPixel(tw, th).G) - var_G);
rgb.B = Convert.ToInt32(Convert.ToDouble(candiate.bitmap.GetPixel(tw++, th).B) - var_B);
rgb.R = ImageProc.NormalizeRGB(rgb.R);
rgb.G = ImageProc.NormalizeRGB(rgb.G);
rgb.B = ImageProc.NormalizeRGB(rgb.B);
Color pixel = Color.FromArgb(255, rgb.R, rgb.G, rgb.B);
dst.SetPixel(w, h, pixel);
}
th++;
tw = 0;
}
currDstW += tileSize;
#endregion
}
currDstH += tileSize;
}
return(dst);
}
