Moved OpenALPR-Net to bindings/csharp/

bindings/csharp/openalpr-net/openalpr-net.cpp

@@ -0,0 +1,319 @@
+/*
+* Copyright (c) 2015 Dr. Masroor Ehsan
+*
+* This file is part of OpenAlpr.Net.
+*
+* OpenAlpr.Net is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Affero General Public License
+* version 3 as published by the Free Software Foundation
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU Affero General Public License for more details.
+*
+* You should have received a copy of the GNU Affero General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "stdafx.h"
+#include "openalpr-net.h"
+#include "alpr.h"
+#include <stdlib.h>
+#include <string.h>
+#include <windows.h>
+#using <mscorlib.dll>
+//#include <msclr\marshal.h>
+#include <msclr\marshal_cppstd.h>
+
+using namespace System;
+using namespace msclr::interop;
+using namespace System::Collections::Generic;
+using namespace System::Runtime::InteropServices;
+using namespace System::Drawing;
+using namespace alpr;
+
+namespace openalprnet {
+
+	private ref class AlprHelper sealed
+	{
+	public:
+		static std::vector<char> ToVector(array<char>^ src)
+		{
+			std::vector<char> result(src->Length);
+			pin_ptr<char> pin(&src[0]);
+			char *first(pin), *last(pin + src->Length);
+			std::copy(first, last, result.begin());
+			return result;
+		}
+
+
+//		static std::vector<AlprRegionOfInterest> ToVector(List<System::Drawing::Rectangle>^ src)
+//		{
+//			std::vector<AlprRegionOfInterest> result;
+//
+//			for each(System::Drawing::Rectangle^ rect in src)
+//			{
+//				AlprRegionOfInterest roi;
+//				roi.x = rect->X;
+//				roi.y = rect->Y;
+//				roi.height = rect->Height;
+//				roi.width = rect->Width;
+//				result.push_back(roi);
+//			}
+//
+//			return result;
+//		}
+
+		static System::String^ ToManagedString(std::string s)
+		{
+			return gcnew String(s.c_str());
+		}
+
+		static std::string ToStlString(System::String^ s)
+		{
+			IntPtr ptr = Marshal::StringToHGlobalAnsi(s);
+			if(ptr != IntPtr::Zero)
+			{
+				std::string tmp(reinterpret_cast<char*>(static_cast<void*>(ptr)));
+				Marshal::FreeHGlobal(ptr);
+				return tmp;
+			}
+			return std::string();
+		}
+	};
+
+	public ref class AlprPlateNet sealed
+	{
+	public:
+		AlprPlateNet(AlprPlate plate){
+			//_characters = marshal_as<System::String^>(plate.characters);
+			m_characters = AlprHelper::ToManagedString(plate.characters);
+			m_overall_confidence=plate.overall_confidence;
+			m_matches_template=plate.matches_template;
+		}
+
+		property System::String^ characters {
+			System::String^ get() {
+				return m_characters;
+			}
+		}
+
+		property float overall_confidence {
+			float get() {
+				return m_overall_confidence;
+			}
+		}
+
+		property bool matches_template {
+			bool get() {
+				return m_matches_template;
+			}
+		}
+
+	private:
+		System::String^ m_characters;
+		float m_overall_confidence;
+		bool m_matches_template;
+	};
+
+	public ref class AlprPlateResultNet sealed
+	{
+	public:
+		AlprPlateResultNet() : m_Impl( new AlprPlateResult ) {}
+
+		AlprPlateResultNet(AlprPlateResult* result) : m_Impl( result ) {}
+
+		property int requested_topn {
+			int get() {
+				return m_Impl->requested_topn;
+			}
+		}
+
+		property int regionConfidence {
+			int get() {
+				return m_Impl->regionConfidence;
+			}
+		}
+
+		property System::String^ region {
+			System::String^ get() {
+				return AlprHelper::ToManagedString(m_Impl->region);
+			}
+		}
+
+
+		property AlprPlateNet^ bestPlate {
+			AlprPlateNet^ get() {
+				AlprPlateNet^ result = gcnew AlprPlateNet(m_Impl->bestPlate);
+				return result;
+			}
+		}
+
+		property List<System::Drawing::Point>^ plate_points {
+			List<System::Drawing::Point>^ get() {
+				List<System::Drawing::Point>^ list = gcnew List<System::Drawing::Point>(4);
+				for (int i = 0; i < 4; i++)
+				{
+					list->Add(System::Drawing::Point(m_Impl->plate_points[i].x, m_Impl->plate_points[i].y));
+				}
+				return list;
+			}
+		} 
+
+		property List<AlprPlateNet^>^ topNPlates {
+			List<AlprPlateNet^>^ get() {
+				List<AlprPlateNet^>^ list = gcnew List<AlprPlateNet^>(m_Impl->topNPlates.size());
+				for (std::vector<AlprPlate>::iterator itr = m_Impl->topNPlates.begin(); itr != m_Impl->topNPlates.end(); itr++)
+				{
+					list->Add(gcnew AlprPlateNet(*itr));
+				}
+				return list;
+			}
+		}
+
+		property float processing_time_ms {
+			float get() {
+				return m_Impl->processing_time_ms;
+			}
+		}
+
+	private:
+		AlprPlateResult * m_Impl;
+	};
+
+
+	public ref class AlprResultsNet sealed
+	{
+	public:
+		AlprResultsNet() : m_Impl( new AlprResults ) {}
+
+		AlprResultsNet(AlprResults* results) : m_Impl( results ) {}
+
+		property int img_width {
+			int get() {
+				return m_Impl->img_width;
+			}
+		}
+
+		property int img_height {
+			int get() {
+				return m_Impl->img_height;
+			}
+		}
+		
+		property float total_processing_time_ms {
+			float get() {
+				return m_Impl->total_processing_time_ms;
+			}
+		}
+
+		property List<System::Drawing::Rectangle>^ regionsOfInterest {
+			List<System::Drawing::Rectangle>^ get() {
+				List<System::Drawing::Rectangle>^ list = gcnew List<System::Drawing::Rectangle>(m_Impl->regionsOfInterest.size());
+				for (unsigned int i = 0; i < m_Impl->regionsOfInterest.size(); i++)
+				{
+					list->Add(System::Drawing::Rectangle(m_Impl->regionsOfInterest[i].x, m_Impl->regionsOfInterest[i].y, m_Impl->regionsOfInterest[i].width, m_Impl->regionsOfInterest[i].height));
+				}
+				return list;
+			}
+		} 
+
+		property List<AlprPlateResultNet^>^ plates {
+			List<AlprPlateResultNet^>^ get() {
+				List<AlprPlateResultNet^>^ list = gcnew List<AlprPlateResultNet^>(m_Impl->plates.size());
+				for (std::vector<AlprPlateResult>::iterator itr = m_Impl->plates.begin(); itr != m_Impl->plates.end(); itr++)
+				{
+					list->Add(gcnew AlprPlateResultNet(&*itr));
+				}
+				return list;
+			}
+		}
+
+
+
+	private:
+		AlprResults * m_Impl;
+	};
+
+
+	public ref class AlprNet sealed
+	{
+	public:
+		// Allocate the native object on the C++ Heap via a constructor
+		AlprNet(System::String^ country, System::String^ configFile) : m_Impl( new Alpr(marshal_as<std::string>(country), marshal_as<std::string>(configFile)) ) { }
+
+		// Deallocate the native object on a destructor
+		~AlprNet(){
+			delete m_Impl;
+		}
+
+		property int TopN {
+			int get() {
+				return m_topN;
+			}
+			void set( int topn ){
+				m_topN = topn;
+				m_Impl->setTopN(topn);
+			}
+		}
+
+		property bool DetectRegion {
+			bool get() {
+				return m_detectRegion;
+			}
+			void set( bool detectRegion ) {
+				m_detectRegion = detectRegion;
+				m_Impl->setDetectRegion(detectRegion);
+			}
+		}
+
+		property System::String^ DefaultRegion {
+			System::String^ get() {
+				return m_defaultRegion;
+			}
+			void set( System::String^ region ){
+				m_defaultRegion = region;
+				m_Impl->setDefaultRegion(marshal_as<std::string>(region));
+			}
+		}
+
+		AlprResultsNet^ recognize(System::String^ filepath) {
+			AlprResults results = m_Impl->recognize(marshal_as<std::string>(filepath));
+			return gcnew AlprResultsNet(&results);
+		}
+
+		AlprResultsNet^ recognize(cli::array<char>^ imageBuffer) {
+			std::vector<char> p = AlprHelper::ToVector(imageBuffer);
+			AlprResults results = m_Impl->recognize(p);
+			return gcnew AlprResultsNet(&results);
+		}
+
+
+		bool isLoaded() {
+			return m_Impl->isLoaded();
+		}
+
+		static System::String^ getVersion() {
+			return AlprHelper::ToManagedString(Alpr::getVersion());
+		}
+
+//		System::String^ toJson(AlprResultsNet^ results) {
+//			std::string json = Alpr::toJson(marshal_as<AlprResults>(results));
+//			return AlprHelper::ToManagedString(json);
+//		}
+
+	protected:
+		// Deallocate the native object on the finalizer just in case no destructor is called
+		!AlprNet() {
+			delete m_Impl;
+		}
+
+	private:
+		Alpr * m_Impl;
+		int m_topN;
+		bool m_detectRegion;
+		System::String^ m_defaultRegion;
+
+	};
+}