Переписать - C++ - Ответ 918218

// Create a new bitmap.
   Bitmap^ bmp = gcnew Bitmap( "c:\\fakePhoto.jpg" );
 
   // Lock the bitmap's bits.  
   Rectangle rect = Rectangle(0,0,bmp->Width,bmp->Height);
   System::Drawing::Imaging::BitmapData^ bmpData = bmp->LockBits( rect, System::Drawing::Imaging::ImageLockMode::ReadWrite, bmp->PixelFormat );
 
   // Get the address of the first line.
   IntPtr ptr = bmpData->Scan0;
 
   // Declare an array to hold the bytes of the bitmap.
   // This code is specific to a bitmap with 24 bits per pixels.
   int bytes = bmpData->Stride * bmp->Height;
   array<Byte>^rgbValues = gcnew array<Byte>(bytes);
 
   // Copy the RGB values into the array.
   System::Runtime::InteropServices::Marshal::Copy( ptr, rgbValues, 0, bytes );
 
   // Unlock the bits.
   bmp->UnlockBits( bmpData );

WCHAR name[80];
 
    swprintf(name, L"%S", FileName.c_str()); // FileName = "HeightMap.jpg"
 
    GdiplusStartupInput input;
    ULONG_PTR token;
    GdiplusStartup(&token, &input, NULL);
 
    Bitmap*     bmp    = new Bitmap(name);
    BitmapData* bmpData = new BitmapData;
 
    Rect rect(0, 0, bmp->GetWidth(), bmp->GetHeight());
    bmp->LockBits(&rect,
                  ImageLockModeRead,
                  bmp->GetPixelFormat(),
                  bmpData);
 
    UINT* pixels = (UINT*)bmpData->Scan0;
 
    int bytes = bmpData->Stride * bmp->GetHeight();
    std::vector<short>rgbValues(bytes);
 
    std::copy(pixels, bytes, rgbValues);
 
    bmp->UnlockBits(bmpData);
 
    delete bmp;
    delete bmpData;
    GdiplusShutdown(token);