class SdkLibMgr {
public:
  SdkLibMgr() : isInitialize(false){};
  ErrorCode Initialize() {
    ErrorCode error_code = Library::Initialize(sn, key);
    if (error_code != foxit::e_ErrSuccess) {
      printf("Library Initialize Error: %d\n", error_code);
    } else {
      isInitialize = true;
    }
    return error_code;

  }
  ~SdkLibMgr(){
    if(isInitialize)
      Library::Release();
  }
private:
  bool isInitialize;
};

WString output_directory = output_path + L"pdf2image/";

void Save2Image(Bitmap& bitmap, int nPageIndex, const char* sExt)
{
  // Add the bitmap to image and save the image.
  Image image;
  image.AddFrame(bitmap);
  WString s;
  s.Format((FX_LPCWSTR)L"AboutFoxit_%d",nPageIndex);
  s = output_directory + s + WString::FromLocal(sExt);
  image.SaveAs(s);

  cout << "Save page " << nPageIndex << " into a picture of " << sExt << " format." << endl;
}

void Save2Image(Image& image, const char* sExt)
{
  WString s = L"AboutFoxit";
  s = output_directory + s + WString::FromLocal(sExt);
  image.SaveAs(s);

  cout << "Save pdf file into a picture of " << sExt << " format." << endl;
}

int main(int argc, char *argv[])
{
#if defined(_WIN32) || defined(_WIN64)
  _mkdir(String::FromUnicode(output_directory));
#else
  mkdir(String::FromUnicode(output_directory), S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
#endif

  int err_ret = 0;
  WString input_file = input_path + L"AboutFoxit.pdf";
  const char* support_image_extends[] = {".bmp", ".jpg", ".jpeg", ".png", ".jpx", ".jp2"};
  const char* support_multi_image[] = {".tif", ".tiff"};
  SdkLibMgr spSdkLibMgr;
  ErrorCode error_code = spSdkLibMgr.Initialize();
  if (error_code != foxit::e_ErrSuccess) {
    return 1;
  }

  try {
    PDFDoc doc=PDFDoc(input_file);
    ErrorCode error_code = doc.Load();
    if (error_code != foxit::e_ErrSuccess) {
      printf("The Doc [%s] Error: %d\n", (const char*)String::FromUnicode(input_file), error_code);
      return 1;
    }

    Image image;
    // get page count
    int nPageCount = doc.GetPageCount();
    for(int i=0;i<nPageCount;i++)
    {
      PDFPage page = doc.GetPage(i);
      // Parse page.
      page.StartParse(foxit::pdf::PDFPage::e_ParsePageNormal, NULL, false);

      int width = static_cast<int>(page.GetWidth());
      int height = static_cast<int>(page.GetHeight());
      Matrix matrix = page.GetDisplayMatrix(0, 0, width, height, page.GetRotation());

      // Prepare a bitmap for rendering.
      Bitmap bitmap(width, height, foxit::common::Bitmap::e_DIBArgb, NULL, 0);
      bitmap.FillRect(0xFFFFFFFF, NULL);

      // Render page
      Renderer render(bitmap, false);
      render.StartRender(page, matrix, NULL);
      image.AddFrame(bitmap);
      for(unsigned int j=0;j<sizeof(support_image_extends)/sizeof(support_image_extends[0]);j++)
      {
        const char* extend = support_image_extends[j];
        Save2Image(bitmap,i,extend);
      }
    }

    for(unsigned int j=0;j<sizeof(support_multi_image)/sizeof(support_multi_image[0]);j++)
    {
      const char* extend = support_multi_image[j];
      Save2Image(image,extend);
    }

  } catch (const Exception& e) {
    cout << e.GetMessage() << endl;
    err_ret = 1;
  }
  catch(...)
  {
    cout << "Unknown Exception" << endl;
    err_ret = 1;
  }

  return err_ret;
}