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!");
}
}
public extern static ImgInfomation Convert2Gray(ImgInfomation inputImg);