Bitmap newBitmap = new Bitmap(original.Width, original.Height);
for (int i = 0; i < original.Width; i++)
{
for (int j = 0; j < original.Height; j++)
{
Color originalColor = original.GetPixel(i, j);
int grayScale = (int)((originalColor.R * .3) + (originalColor.G *
.59) + (originalColor.B * .11));
Color newColor = Color.FromArgb(grayScale, grayScale, grayScale);
newBitmap.SetPixel(i, j, newColor);
}
}
return newBitmap;
