public MainWindow()
{
InitializeComponent();
MnistDataUnmanaged unmanagedData = new MnistDataUnmanaged();
getTrainingData(unmanagedData);
_mnistData = new MnistDataManaged(unmanagedData);
freeData(unmanagedData);
ShowImage(0);
}
public MnistDataManaged(MnistDataUnmanaged unmanaged)
{
num_of_images = unmanaged.num_of_images;
num_rows = unmanaged.num_rows;
num_cols = unmanaged.num_cols;
int total_pixels = num_of_images * num_rows * num_cols;
pixels = new byte[total_pixels];
Marshal.Copy(unmanaged.pixels, pixels, 0, total_pixels);
lables = new byte[unmanaged.num_of_images];
Marshal.Copy(unmanaged.lables, lables, 0, unmanaged.num_of_images);
}
static extern int getTrainingData(MnistDataUnmanaged data);
static extern int freeData(MnistDataUnmanaged data);