求问这边哪里错了，一直提示索引超出数组范围

小宏快跑 2014-05-24 09:33:16

 public int[,] exinpix(Bitmap newBitmap, int Width, int Height)

        {

            int[,] ex_inpix = new int[Width + 2, Height + 2];

            for (int j = 0; j < Height; j++)

                for (int i = 0; i < Width; i++)

                    ex_inpix[i + 1, j + 1] = (newBitmap.GetPixel(i, j)).R;

            ex_inpix[0, 0] = ex_inpix[1, 1];

            ex_inpix[0, Height+1] = ex_inpix[1, Height];

            ex_inpix[Width+1, 0] = ex_inpix[Width, 1];

            ex_inpix[Width+1, Height+1] = ex_inpix[Width, Height];

            for (int j = 1; j < Height + 1; j++)

            {

                ex_inpix[0, j] = ex_inpix[1, j];

                ex_inpix[Width + 1, j] = ex_inpix[Width, j];



            

            }

            for (int i = 1; i < Width + 1; i++)

            {

                ex_inpix[i, 0] = ex_inpix[i, 1];

                ex_inpix[i, Height + 1] = ex_inpix[i, Height];

            

            

            }





                return ex_inpix;

        

        

        

        

        }



 private void button2_Click(object sender, EventArgs e)

        {

            try

            {

                Bitmap bm = new Bitmap(pictureBox1.Image);







                int Height = this.pictureBox1.Image.Height;//获取像素值

                int Width = this.pictureBox1.Image.Width;//

                Bitmap newBitmap = new Bitmap(Width, Height); //声明

                Bitmap oldBitmap = (Bitmap)this.pictureBox1.Image;

                //   Color pixel;

                int[,] h = new int[3, 3];

                {

                    h[0, 0] = 1; h[0, 1] = 1; h[0, 2] = 1;

                    h[1, 0] = 1; h[1, 1] = 1; h[1, 2] = 1;

                    h[2, 0] = 1; h[2, 1] = 1; h[2, 2] = 1;

                }

                int[,] ex_inpix = exinpix(oldBitmap, Width, Height);

                for (int j = 1; j < Height - 1; j++)

                {

                    for (int i = 1; i < Width - 1; i++)

                    {

                        int r = 0, sum = 0;



                        for (int k = -1; k < 3; k++)

                            for (int l = -1; l < 3; l++)

                                sum = sum + h[k + 1, l + 1] * ex_inpix[i + k, j + i];

                        r = (int)(sum / 9);

                        newBitmap.SetPixel(i - 1, j - 1, Color.FromArgb(r, r, r));



                    }



                }









                this.pictureBox2.Image = newBitmap;

            }

            catch (Exception ex)

            {

                MessageBox.Show(ex.Message, "");

            }



            }