Example #1
0
        private void btnProcessing_Click(object sender, EventArgs e)
        {
            try {
                unsafe {
                    // ** pinvoke
                    ImgInfomation input = new ImgInfomation();
                    input.width    = SrcImg.Width;
                    input.height   = SrcImg.Height;
                    input.channels = 3;
                    System.Drawing.Imaging.BitmapData imgData = SrcImg.LockBits(new Rectangle(0, 0, SrcImg.Width, SrcImg.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
                    input.src  = (byte *)imgData.Scan0;
                    input.step = imgData.Stride;

                    ImgInfomation output;
                    output = DllSetting.Convert2Gray(input);
                    System.Drawing.Bitmap ResultImg = new System.Drawing.Bitmap(output.width, output.height, output.step, System.Drawing.Imaging.PixelFormat.Format8bppIndexed, (System.IntPtr)output.src);
                    System.Drawing.Imaging.ColorPalette GreyColorPalette = null;
                    GreyColorPalette = ResultImg.Palette;
                    for (int Index = 0; Index <= byte.MaxValue; Index++)
                    {
                        GreyColorPalette.Entries[Index] = Color.FromArgb(byte.MaxValue, Index, Index, Index);
                    }
                    ResultImg.Palette = GreyColorPalette;

                    // managed class by cli
                    TestCSUsingCppDll.MangementDll_proc test   = new TestCSUsingCppDll.MangementDll_proc();
                    TestCSUsingCppDll.ImgInfomation2    input2 = new TestCSUsingCppDll.ImgInfomation2();
                    input2.width    = SrcImg.Width;
                    input2.height   = SrcImg.Height;
                    input2.channels = 3;
                    input2.src      = (byte *)imgData.Scan0;
                    input2.step     = imgData.Stride;
                    TestCSUsingCppDll.ImgInfomation2 result;
                    result = test.ConvertRgb2gray(input2);

                    System.Drawing.Bitmap ResultImg2 = new System.Drawing.Bitmap(result.width, result.height, result.step, System.Drawing.Imaging.PixelFormat.Format8bppIndexed, (System.IntPtr)result.src);
                    System.Drawing.Imaging.ColorPalette GreyColorPalette2 = null;
                    GreyColorPalette2 = ResultImg2.Palette;
                    for (int Index = 0; Index <= byte.MaxValue; Index++)
                    {
                        GreyColorPalette2.Entries[Index] = Color.FromArgb(byte.MaxValue, Index, Index, Index);
                    }
                    ResultImg2.Palette = GreyColorPalette2;

                    //Console.WriteLine(test.channels.ToString());

                    SrcImg.UnlockBits(imgData);
                    pctbxRecievePInvokeImg.Image     = ResultImg;
                    pctbxRecieveManageClassImg.Image = ResultImg2;
                }
            }
            catch (System.Exception err)
            {
                MessageBox.Show(err.ToString(), "ERROR!");
            }
        }
Example #2
0
 public extern static ImgInfomation Convert2Gray(ImgInfomation inputImg);