private static Point GetDifference(Bitmap sourceImage, Bitmap searchImage)
{
LockBitmap lockBitmapSource = new LockBitmap(sourceImage);
LockBitmap lockBitmapSearch = new LockBitmap(searchImage);
lockBitmapSource.LockBits();
lockBitmapSearch.LockBits();
double diff = 0;
for (int x = 279; x <= 309; x++)
{
for (int y = 0; y <= 54; y++)
{
diff = 0;
for (int x1 = 0; x1 < lockBitmapSearch.Width; x1++)
{
for (int y1 = 0; y1 < lockBitmapSearch.Height; y1++)
{
diff += (double)Math.Abs(lockBitmapSource.GetPixel(x + x1, y + y1).R - lockBitmapSearch.GetPixel(x1, y1).R) / 100;
diff += (double)Math.Abs(lockBitmapSource.GetPixel(x + x1, y + y1).G - lockBitmapSearch.GetPixel(x1, y1).G) / 100;
diff += (double)Math.Abs(lockBitmapSource.GetPixel(x + x1, y + y1).B - lockBitmapSearch.GetPixel(x1, y1).B) / 100;
}
}
if (diff < 50)
{
return(new Point(x, y));
break;
}
}
}
lockBitmapSource.UnlockBits();
lockBitmapSearch.UnlockBits();
return(new Point(-1, -1));
}
private static List <Point> GetDifference(Bitmap sourceImage, Bitmap searchImage, int maxDiff)
{
LockBitmap lockBitmapSource = new LockBitmap(sourceImage);
LockBitmap lockBitmapSearch = new LockBitmap(searchImage);
lockBitmapSource.LockBits();
lockBitmapSearch.LockBits();
double diff = 0;
List <Point> points = new List <Point>();
for (int x = 0; x < lockBitmapSource.Width - lockBitmapSearch.Width + 1; x++)
{
for (int y = 0; y < lockBitmapSource.Height - lockBitmapSearch.Height + 1; y++)
{
diff = 0;
for (int x1 = 0; x1 < lockBitmapSearch.Width; x1++)
{
for (int y1 = 0; y1 < lockBitmapSearch.Height; y1++)
{
diff += (double)Math.Abs(lockBitmapSource.GetPixel(x + x1, y + y1).R - lockBitmapSearch.GetPixel(x1, y1).R) / 100;
diff += (double)Math.Abs(lockBitmapSource.GetPixel(x + x1, y + y1).G - lockBitmapSearch.GetPixel(x1, y1).G) / 100;
diff += (double)Math.Abs(lockBitmapSource.GetPixel(x + x1, y + y1).B - lockBitmapSearch.GetPixel(x1, y1).B) / 100;
}
}
if (diff < maxDiff)
{
points.Add(new Point(x, y));
x += 4;
break;
}
}
}
lockBitmapSource.UnlockBits();
lockBitmapSearch.UnlockBits();
return(points);
}
