/// <summary>
/// Create a OpenCL cascade classifier using the specific file
/// </summary>
/// <param name="fileName">The file to create the classifier from</param>
public OclCascadeClassifier(String fileName)
: base()
{
#if !NETFX_CORE
FileInfo file = new FileInfo(fileName);
if (!file.Exists)
{
throw new FileNotFoundException("File not found", file.FullName);
}
#endif
_ptr = OclInvoke.oclCascadeClassifierCreate(fileName);
if (_ptr == IntPtr.Zero)
{
throw new NullReferenceException(String.Format("Fail to create OpenCL HaarCascade object: {0}", fileName));
}
}
