| public GetPixel ( IntPoint point ) : Color | ||
| point | IntPoint | Point's coordiates to get color of. |
| return | Color | |
public static int AvgColor(System.Drawing.Image img, int forceZeroBelow)
{
long total = 0;
AForge.Imaging.UnmanagedImage umimg = AForge.Imaging.UnmanagedImage.FromManagedImage(new Bitmap(img));
for (int y = 0; y < umimg.Height; y++)
{
for (int x = 0; x < umimg.Width; x++)
{
Color c = umimg.GetPixel(x, y);
total += forceZeroBelow > ((c.R + c.G + c.B) / 3) ? 0 : 255;
}
}
return((int)((long)total / ((long)umimg.Width * (long)umimg.Height)));
}
public static int[] Histogram(System.Drawing.Image img)
{
int[] ans = new int[256];
AForge.Imaging.UnmanagedImage umimg = AForge.Imaging.UnmanagedImage.FromManagedImage(new Bitmap(img));
for (int y = 0; y < umimg.Height; y++)
{
for (int x = 0; x < umimg.Width; x++)
{
Color c = umimg.GetPixel(x, y);
ans[(c.R + c.G + c.B) / 3]++;
}
}
int max = ans.Max();
for (int i = 0; i < 256; i++)
{
ans[i] = (int)Math.Round((double)ans[i] / (double)max * 255D, 0);
}
return(ans);
}
/// <summary>
/// Check if two images are the same
/// </summary>
/// <param name="img1">First image</param>
/// <param name="img2">Second image</param>
/// <returns></returns>
private bool isSame(UnmanagedImage img1, Bitmap img2)
{
int count = 0, tcount = img2.Width * img2.Height;
for (int y = 0; y < img1.Height; y++)
for (int x = 0; x < img1.Width; x++)
{
Color c1 = img1.GetPixel(x, y), c2 = img2.GetPixel(x, y);
if ((c1.R + c1.G + c1.B) / 3 > (c2.R + c2.G + c2.B) / 3 - 10 &&
(c1.R + c1.G + c1.B) / 3 < (c2.R + c2.G + c2.B) / 3 + 10)
count++;
}
return (count * 100) / tcount >= 54;
}
