#define NEW_ALGO
using System;
 
 
public class Test
{
	private static void printArray(byte[] arr, int w, int h) {
		for (int i = 0; i < h; ++i)
		{
			for (int j = 0; j < w; ++j)
				Console.Write("{0} ", arr[i*w + j]);
			Console.WriteLine("");
		}
	}
 
	public static void Main()
	{
		int origWidth = 5;
		int origHeight = 10;
		byte[] srcData = new byte[origWidth * origHeight];
		for (int ii = 0; ii < origWidth*origHeight; ++ii)
			srcData[ii] = (byte)ii;
		Console.WriteLine("Original");
		printArray(srcData, origWidth, origHeight);
 
        // find max scale value
        int scale = 3; // NOTE: temporary
 
        // create new byte array to store new image
        int width = origWidth * scale;
        int height = origHeight * scale;
        int stride = width;
        byte[] trgData = new byte[height * stride];
 
        // update the progress bar
       // progressBar1.Value = 10;
 
#if NEW_ALGO
		int targetIdx = 0;
		for (int i = 0; i < height; ++i)
		{
			int iUnscaled = i / scale;
			for (int j = 0; j < width; ++j) {
				int jUnscaled = j / scale;
				trgData[targetIdx++] = srcData[iUnscaled * origWidth + jUnscaled];
			}
		}
#else
// OLD ALGORITHM
       int i = -1; // index for src data
        // copy pixel data 
 
       // for (int i = 0; i < )
        for (int n = 0; n < trgData.Length; n++)
        {
            if (n % stride == 0)
            {
                i++;
            }
            trgData[n] = srcData[i];
        }
#endif
 
 		Console.WriteLine("\nScaled");
 		printArray(trgData, width, height);
 
 
 
		// your code goes here
	}
}

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