Clandestine.Texture.resizeIfNecessary C# (CSharp) Method

        private Bitmap resizeIfNecessary(Bitmap bmpOriginal)
        {
            if (Graphics.NPOTAllowed)
                return bmpOriginal;
            else
            {
                Log.i("This hardware does not support non power-of-two textures - hax will be applied.");

                lock (resizeResultDictionary)
                {
                    // Aye, we do cache 'em...
                    if (resizeResultDictionary.Keys.Contains(bmpOriginal))
                        return resizeResultDictionary[bmpOriginal];
                    else
                    {
                        int referencesize = (bmpOriginal.Width > bmpOriginal.Height
                            ? bmpOriginal.Width : bmpOriginal.Height);
                        int newsize = 2;

                        // Find next bigger POT size.
                        for (int i = 1; newsize < referencesize; i++)
                            newsize = (int)Math.Round(Math.Pow(2, i));

                        potTextureSize = newsize;

                        // Resize bitmap, and return the result!
                        Bitmap bmpResult = new Bitmap(newsize, newsize);
                        System.Drawing.Graphics gRes = System.Drawing.Graphics.FromImage(bmpResult);
                        gRes.DrawImage(bmpOriginal, 0, 0);
                        gRes.Flush(System.Drawing.Drawing2D.FlushIntention.Sync);
                        gRes.Dispose();
                        resizeResultDictionary.Add(bmpOriginal, bmpResult);
                        return bmpResult;
                    }
                }
            }
        }