C#

<br />
		public Bitmap BlurBitmap(Bitmap bitmapToBlur, byte blurLevel)<br />
		{<br />
			DateTime currentTime = DateTime.Now;<br />
<br />
			//get the width and height of the bitmap<br />
			short bitmapWidth = (short)bitmapToBlur.Width;<br />
			short bitmapHeight = (short)bitmapToBlur.Height;<br />
<br />
			//create an array of pixels<br />
			float[,,] colourArray = new float[bitmapWidth, bitmapHeight, 3];<br />
			float[,,] colourArrayBlur = new float[bitmapWidth, bitmapHeight, 3];<br />
<br />
			//populate the array with the pixel info<br />
			for (short i = 0; i < bitmapWidth; i++)<br />
			{<br />
				for (short j = 0; j < bitmapHeight; j++)<br />
				{<br />
					colourArray[i, j, 0] = bitmapToBlur.GetPixel(i, j).R;<br />
					colourArray[i, j, 1] = bitmapToBlur.GetPixel(i, j).G;<br />
					colourArray[i, j, 2] = bitmapToBlur.GetPixel(i, j).B;<br />
				}<br />
			}<br />
<br />
			float redValue = 0.0F;<br />
			float greenValue = 0.0F;<br />
			float blueValue = 0.0F;<br />
			byte counter = 0;<br />
<br />
			//blur<br />
			for (short blurPass = 0; blurPass < blurLevel; blurPass++)<br />
			{<br />
				for (short i = 0; i < bitmapWidth; i++)<br />
				{<br />
					for (short j = 0; j < bitmapHeight; j++)<br />
					{<br />
<br />
						for (sbyte k = -1; k <= 1; k++)<br />
						{<br />
							for (sbyte l = -1; l <= 1; l++)<br />
							{<br />
								if (i + k > 0 && i + k < bitmapWidth && j + l > 0 && j + l < bitmapHeight)<br />
								{<br />
									redValue += colourArray[i + k, j + l, 0];<br />
									greenValue += colourArray[i + k, j + l, 1];<br />
									blueValue += colourArray[i + k, j + l, 2];<br />
									counter++;<br />
								}<br />
							}<br />
						}<br />
<br />
						colourArrayBlur[i, j, 0] = redValue / counter;<br />
						colourArrayBlur[i, j, 1] = greenValue / counter;<br />
						colourArrayBlur[i, j, 2] = blueValue / counter;<br />
												<br />
						redValue = 0.0F;<br />
						greenValue = 0.0F;<br />
						blueValue = 0.0F;<br />
						counter = 0;<br />
					}<br />
				}<br />
<br />
				Trace.WriteLine("blur pass " + blurPass);<br />
				//swap array values<br />
				colourArray = colourArrayBlur;<br />
			}<br />
<br />
			//rebuild the bitmap<br />
			for (short i = 0; i < bitmapWidth; i++)<br />
			{<br />
				for (short j = 0; j < bitmapHeight; j++)<br />
				{<br />
					bitmapToBlur.SetPixel(i, j, Color.FromArgb((int)colourArrayBlur[i, j, 0], (int)colourArrayBlur[i, j, 1], (int)colourArrayBlur[i, j, 2]));<br />
				}<br />
			}<br />
<br />
			Trace.WriteLine(DateTime.Now - currentTime);<br />
<br />
			//return it<br />
			return bitmapToBlur;<br />
		}<br />
	}<br />