for(int i = 0; i < bm1.bmHeight; i++)
	{
		colOffset = 0;

		for(int j = 0; j < bm1.bmWidth * 4;)
		{
			pBits3[i * bm1.bmWidthBytes + j++] = pBits2[rowOffset * bm2.bmWidthBytes + colOffset + 0];
			pBits3[i * bm1.bmWidthBytes + j++] = pBits2[rowOffset * bm2.bmWidthBytes + colOffset + 1];
			pBits3[i * bm1.bmWidthBytes + j++] = pBits2[rowOffset * bm2.bmWidthBytes + colOffset + 2];
			pBits3[i * bm1.bmWidthBytes + j++] = pBits2[rowOffset * bm2.bmWidthBytes + colOffset + 3];

			if(j % widthRatio == 0)
				colOffset += 4;
		}

		if(i % heightRatio == 0)
			rowOffset++;
	}