/// <summary>
/// Creates instance from raw T*
/// </summary>
/// <param name="ptr"></param>
internal static DescriptorExtractor FromRawPtr(IntPtr ptr)
{
if (ptr == IntPtr.Zero)
throw new OpenCvSharpException("Invalid DescriptorExtractor pointer");
var extractor = new DescriptorExtractor
{
extractorPtr = null,
ptr = ptr
};
return extractor;
}
/// <summary>
/// Creates instance from raw T*
/// </summary>
/// <param name="ptr"></param>
internal static DescriptorExtractor FromRawPtr(IntPtr ptr)
{
if (ptr == IntPtr.Zero)
{
throw new OpenCvSharpException("Invalid DescriptorExtractor pointer");
}
var extractor = new DescriptorExtractor
{
extractorPtr = null,
ptr = ptr
};
return(extractor);
}
/// <summary>
/// Create feature detector by detector name.
/// </summary>
/// <param name="descriptorExtractorType">
/// </param>
/// <returns></returns>
public static DescriptorExtractor Create(string descriptorExtractorType)
{
if (String.IsNullOrEmpty(descriptorExtractorType))
{
throw new ArgumentNullException("descriptorExtractorType");
}
// gets cv::Ptr<DescriptorExtractor>
try
{
IntPtr ptr = NativeMethods.features2d_DescriptorExtractor_create(descriptorExtractorType);
DescriptorExtractor detector = FromPtr(ptr);
return(detector);
}
catch (OpenCvSharpException)
{
throw new OpenCvSharpException(
"DescriptorExtractor name '{0}' is not valid.", descriptorExtractorType);
}
}
