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2025-03-21 12:34:44 +08:00 · 2025-03-17 16:15:10 +08:00 · 2025-03-17 16:12:49 +08:00 · 2025-03-17 15:58:11 +08:00 · 2025-03-17 15:56:50 +08:00 · 2025-03-17 15:55:43 +08:00
22 changed files with 1006 additions and 452 deletions
--- a/.npmignore
+++ b/.npmignore
@ -0,0 +1,13 @@
+/.git
+/.vscode
+/build
+/cxx
+/node_modules
+/src
+/test_data
+/thirdpart
+/.clang-format
+/.gitignore
+/CMakeLists.txt
+/package-lock.json
+/tsconfig.json
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -37,6 +37,19 @@ if(CMAKE_JS_RESULT EQUAL 0)
 			OUTPUT_STRIP_TRAILING_WHITESPACE
 		)
 	endif()
+	# ReleaseVersion
+	if(CMAKE_JS_RESULT EQUAL 0)
+		execute_process(
+			COMMAND node ${CMAKE_SOURCE_DIR}/thirdpart/cmake-js-util.js --release
+			RESULT_VARIABLE CMAKE_JS_RESULT
+			OUTPUT_VARIABLE RELEASE_VERSION
+			OUTPUT_STRIP_TRAILING_WHITESPACE
+		)
+		if(CMAKE_JS_RESULT EQUAL 0)
+			message(STATUS "RELEASE_VERSION: ${RELEASE_VERSION}")
+			add_compile_definitions(RELEASE_VERSION="${RELEASE_VERSION}")
+		endif()
+	endif()

 	# NAPI
 	if(CMAKE_JS_RESULT EQUAL 0)
@ -77,6 +90,7 @@ endif()
 add_library(cv SHARED ${CMAKE_JS_SRC}
 	cxx/node.cc
 	cxx/mat.cc
+	cxx/videocap.cc
 	cxx/util.cc
 )
 target_link_libraries(cv ${CMAKE_JS_LIB} ${OpenCV_LIBS})
--- a/README.md
+++ b/README.md
@ -2,7 +2,7 @@

 简单的OpenCV封装

-## 编译源码
+## 编译源码（可选）
 1. 依赖
 	1. python3
 	1. cmake
@ -31,6 +31,9 @@ import cv from '@yizhi/opencv';

 //配置addon路径
 cv.config("ADDON_PATH", "/path/to/cv.node");
+//下载addon（可选）
+//    如果配置了ADDON_PATH，则下载addon到ADDON_PATH，否则下载到build/cv.node
+await cv.downloadAddon();

 //正常使用
 const im = cv.imread("/path/to/input");
--- a/cxx/mat.cc
+++ b/cxx/mat.cc
@ -1,448 +1,488 @@
-#include "node.h"
+#include "mat.h"
+

 using namespace Napi;

 #define MAT_INSTANCE_METHOD(method) InstanceMethod<&CVMat::method>(#method, static_cast<napi_property_attributes>(napi_writable | napi_configurable))
 #define MAT_STATIC_METHOD(method) StaticMethod<&CVMat::method>(#method, static_cast<napi_property_attributes>(napi_writable | napi_configurable))
+#define NODE_FUNCTION_IMPL(name) Napi::Value CVMat::name(const Napi::CallbackInfo &info)

-static FunctionReference *constructor = nullptr;
+FunctionReference *CVMat::constructor = nullptr;

-class CVMat : public ObjectWrap<CVMat> {
-  public:
-	static Napi::Object Init(Napi::Env env, Napi::Object exports)
-	{
-		Function func = DefineClass(env, "Mat", {
-													MAT_STATIC_METHOD(ImRead),
-													MAT_STATIC_METHOD(ImDecode),
-													MAT_STATIC_METHOD(ImWrite),
-													MAT_STATIC_METHOD(ImEncode),
+Napi::Object CVMat::Init(Napi::Env env, Napi::Object exports)
+{
+	Function func = DefineClass(env, "Mat", {
+												MAT_STATIC_METHOD(ImRead),
+												MAT_STATIC_METHOD(ImDecode),
+												MAT_STATIC_METHOD(ImWrite),
+												MAT_STATIC_METHOD(ImEncode),

-													MAT_STATIC_METHOD(Crop),
-													MAT_STATIC_METHOD(Resize),
-													MAT_STATIC_METHOD(WarpAffine),
-													MAT_STATIC_METHOD(Blur),
-													MAT_STATIC_METHOD(CopyMakeBorder),
-													MAT_STATIC_METHOD(Flip),
-													MAT_STATIC_METHOD(GetRotationMatrix2D),
+												MAT_STATIC_METHOD(Crop),
+												MAT_STATIC_METHOD(Resize),
+												MAT_STATIC_METHOD(WarpAffine),
+												MAT_STATIC_METHOD(Blur),
+												MAT_STATIC_METHOD(CopyMakeBorder),
+												MAT_STATIC_METHOD(Flip),
+												MAT_STATIC_METHOD(GetRotationMatrix2D),

-													MAT_STATIC_METHOD(Rectangle),
-													MAT_STATIC_METHOD(Circle),
-													MAT_STATIC_METHOD(Line),
-													MAT_STATIC_METHOD(Ellipse),
-													MAT_STATIC_METHOD(Polylines),
-													MAT_STATIC_METHOD(FillPoly),
-													MAT_STATIC_METHOD(FillConvexPoly),
-													MAT_STATIC_METHOD(DrawMarker),
-													MAT_STATIC_METHOD(PutText),
+												MAT_STATIC_METHOD(Rectangle),
+												MAT_STATIC_METHOD(Circle),
+												MAT_STATIC_METHOD(Line),
+												MAT_STATIC_METHOD(Ellipse),
+												MAT_STATIC_METHOD(Polylines),
+												MAT_STATIC_METHOD(FillPoly),
+												MAT_STATIC_METHOD(FillConvexPoly),
+												MAT_STATIC_METHOD(DrawMarker),
+												MAT_STATIC_METHOD(PutText),

-													MAT_INSTANCE_METHOD(IsEmpty),
-													MAT_INSTANCE_METHOD(GetCols),
-													MAT_INSTANCE_METHOD(GetRows),
-													MAT_INSTANCE_METHOD(GetType),
-													MAT_INSTANCE_METHOD(GetDepth),
-													MAT_INSTANCE_METHOD(GetChannels),
-													MAT_INSTANCE_METHOD(GetFlags),
-													MAT_INSTANCE_METHOD(GetDims),
-													MAT_INSTANCE_METHOD(GetIsContinuous),
-													MAT_INSTANCE_METHOD(GetIsSubmatrix),
-													MAT_INSTANCE_METHOD(GetElemSize),
-													MAT_INSTANCE_METHOD(GetElemSize1),
-													MAT_INSTANCE_METHOD(GetTotal),
-													MAT_INSTANCE_METHOD(GetTotalWithDim),
-													MAT_INSTANCE_METHOD(GetSize),
+												MAT_INSTANCE_METHOD(IsEmpty),
+												MAT_INSTANCE_METHOD(GetCols),
+												MAT_INSTANCE_METHOD(GetRows),
+												MAT_INSTANCE_METHOD(GetType),
+												MAT_INSTANCE_METHOD(GetDepth),
+												MAT_INSTANCE_METHOD(GetChannels),
+												MAT_INSTANCE_METHOD(GetFlags),
+												MAT_INSTANCE_METHOD(GetDims),
+												MAT_INSTANCE_METHOD(GetIsContinuous),
+												MAT_INSTANCE_METHOD(GetIsSubmatrix),
+												MAT_INSTANCE_METHOD(GetElemSize),
+												MAT_INSTANCE_METHOD(GetElemSize1),
+												MAT_INSTANCE_METHOD(GetTotal),
+												MAT_INSTANCE_METHOD(GetTotalWithDim),
+												MAT_INSTANCE_METHOD(GetSize),
+												MAT_INSTANCE_METHOD(GetData),

-													MAT_INSTANCE_METHOD(Col),
-													MAT_INSTANCE_METHOD(ColRange),
-													MAT_INSTANCE_METHOD(Row),
-													MAT_INSTANCE_METHOD(RowRange),
-													MAT_INSTANCE_METHOD(Diag),
+												MAT_INSTANCE_METHOD(Col),
+												MAT_INSTANCE_METHOD(ColRange),
+												MAT_INSTANCE_METHOD(Row),
+												MAT_INSTANCE_METHOD(RowRange),
+												MAT_INSTANCE_METHOD(Diag),

-													MAT_INSTANCE_METHOD(Clone),
+												MAT_INSTANCE_METHOD(Clone),
+												MAT_INSTANCE_METHOD(CopyTo),

-												});
-		constructor = new FunctionReference();
-		*constructor = Napi::Persistent(func);
-		exports.Set("Mat", func);
-		env.SetInstanceData<FunctionReference>(constructor);
-		return exports;
-	}
+											});
+	constructor = new FunctionReference();
+	*constructor = Napi::Persistent(func);
+	exports.Set("Mat", func);
+	env.SetInstanceData<FunctionReference>(constructor);
+	return exports;
+}

-	CVMat(const CallbackInfo &info)
-		: ObjectWrap<CVMat>(info)
-	{
-		if (info.Length() >= 2) {
-			auto sizesArray = info[0].As<Array>();
-			std::vector<int> sizes(sizesArray.Length());
-			for (auto i = 0; i < sizes.size(); ++i) sizes[i] = sizesArray.Get(i).As<Number>().Int32Value();
-			auto type = info[1].As<Number>().Int32Value();
-			// 使用sizes和type初始化
-			if (info.Length() < 3) mat_ = cv::Mat(sizes, type);
-			// 使用数据初始化
-			else if (info[2].IsTypedArray()) {
-				auto dataArray = info[2].As<TypedArray>();
-				auto data = static_cast<uint8_t *>(dataArray.ArrayBuffer().Data()) + dataArray.ByteOffset();
-				mat_ = cv::Mat(sizes, type, data);
-			}
-			// 其他 TODO
-			else mat_ = cv::Mat(sizes, type);
+CVMat::CVMat(const CallbackInfo &info)
+	: ObjectWrap<CVMat>(info)
+{
+	if (info.Length() >= 2) {
+		auto sizesArray = info[0].As<Array>();
+		std::vector<int> sizes(sizesArray.Length());
+		for (auto i = 0; i < sizes.size(); ++i) sizes[i] = sizesArray.Get(i).As<Number>().Int32Value();
+		auto type = info[1].As<Number>().Int32Value();
+		// 使用sizes和type初始化
+		if (info.Length() < 3) mat_ = cv::Mat(sizes, type);
+		// 使用数据初始化
+		else if (info[2].IsTypedArray()) {
+			auto dataArray = info[2].As<TypedArray>();
+			auto data = static_cast<uint8_t *>(dataArray.ArrayBuffer().Data()) + dataArray.ByteOffset();
+			mat_ = cv::Mat(sizes, type, data);
 		}
+		// 其他 TODO
+		else mat_ = cv::Mat(sizes, type);
 	}
+}


-	static Napi::Value ImRead(const Napi::CallbackInfo &info)
-	{
-		auto filename = info[0].As<String>().Utf8Value();
-		int flag = (info.Length() >= 2) ? info[1].As<Number>().Int32Value() : cv::IMREAD_COLOR_BGR;
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = cv::imread(filename, flag); });
+NODE_FUNCTION_IMPL(ImRead)
+{
+	auto filename = info[0].As<String>().Utf8Value();
+	int flag = (info.Length() >= 2) ? info[1].As<Number>().Int32Value() : cv::IMREAD_COLOR_BGR;
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = cv::imread(filename, flag); });
+}
+NODE_FUNCTION_IMPL(ImDecode)
+{
+	auto arr = info[0].As<TypedArray>();
+	auto data = static_cast<uint8_t *>(arr.ArrayBuffer().Data()) + arr.ByteOffset();
+	std::vector<uint8_t> buffer(data, data + arr.ByteLength());
+	int flag = (info.Length() >= 2) ? info[1].As<Number>().Int32Value() : cv::IMREAD_COLOR_BGR;
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = cv::imdecode(buffer, flag); });
+}
+NODE_FUNCTION_IMPL(ImWrite)
+{
+	auto &mat = GetMat(info[0].As<Object>());
+	auto filename = info[1].As<String>().Utf8Value();
+	std::vector<int> params;
+	if (info[2].IsArray()) {
+		auto paramArray = info[2].As<Array>();
+		params.resize(paramArray.Length());
+		for (auto i = 0; i < params.size(); ++i) params[i] = paramArray.Get(i).As<Number>().Int32Value();
 	}
-	static Napi::Value ImDecode(const Napi::CallbackInfo &info)
-	{
-		auto arr = info[0].As<TypedArray>();
-		auto data = static_cast<uint8_t *>(arr.ArrayBuffer().Data()) + arr.ByteOffset();
-		std::vector<uint8_t> buffer(data, data + arr.ByteLength());
-		int flag = (info.Length() >= 2) ? info[1].As<Number>().Int32Value() : cv::IMREAD_COLOR_BGR;
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = cv::imdecode(buffer, flag); });
+	auto res = cv::imwrite(filename, mat.mat_, params);
+	return Boolean::New(info.Env(), res);
+}
+NODE_FUNCTION_IMPL(ImEncode)
+{
+	auto &mat = GetMat(info[0].As<Object>());
+	auto extname = info[1].As<String>().Utf8Value();
+	std::vector<int> params;
+	if (info[2].IsArray()) {
+		auto paramArray = info[2].As<Array>();
+		params.resize(paramArray.Length());
+		for (auto i = 0; i < params.size(); ++i) params[i] = paramArray.Get(i).As<Number>().Int32Value();
 	}
-	static Napi::Value ImWrite(const Napi::CallbackInfo &info)
-	{
-		auto &mat = GetMat(info[0].As<Object>());
-		auto filename = info[1].As<String>().Utf8Value();
-		std::vector<int> params;
-		if (info[2].IsArray()) {
-			auto paramArray = info[2].As<Array>();
-			params.resize(paramArray.Length());
-			for (auto i = 0; i < params.size(); ++i) params[i] = paramArray.Get(i).As<Number>().Int32Value();
-		}
-		auto res = cv::imwrite(filename, mat.mat_, params);
-		return Boolean::New(info.Env(), res);
-	}
-	static Napi::Value ImEncode(const Napi::CallbackInfo &info)
-	{
-		auto &mat = GetMat(info[0].As<Object>());
-		auto extname = info[1].As<String>().Utf8Value();
-		std::vector<int> params;
-		if (info[2].IsArray()) {
-			auto paramArray = info[2].As<Array>();
-			params.resize(paramArray.Length());
-			for (auto i = 0; i < params.size(); ++i) params[i] = paramArray.Get(i).As<Number>().Int32Value();
-		}
-		std::vector<uchar> buf;
-		if (!cv::imencode(extname, mat.mat_, buf, params)) return info.Env().Undefined();
-		auto arrayBuffer = ArrayBuffer::New(info.Env(), buf.size());
-		auto bufferPtr = static_cast<uchar *>(arrayBuffer.Data());
-		for (auto ch : buf) {
-			*bufferPtr = ch;
-			bufferPtr++;
-		}
-		return arrayBuffer;
+	std::vector<uchar> buf;
+	if (!cv::imencode(extname, mat.mat_, buf, params)) return info.Env().Undefined();
+	auto arrayBuffer = ArrayBuffer::New(info.Env(), buf.size());
+	auto bufferPtr = static_cast<uchar *>(arrayBuffer.Data());
+	for (auto ch : buf) {
+		*bufferPtr = ch;
+		bufferPtr++;
 	}
+	return arrayBuffer;
+}


-	Napi::Value IsEmpty(const Napi::CallbackInfo &info) { return Boolean::New(info.Env(), mat_.empty()); }
-	Napi::Value GetCols(const Napi::CallbackInfo &info) { return Number::New(info.Env(), mat_.cols); }
-	Napi::Value GetRows(const Napi::CallbackInfo &info) { return Number::New(info.Env(), mat_.rows); }
-	Napi::Value GetType(const Napi::CallbackInfo &info) { return Number::New(info.Env(), mat_.type()); }
-	Napi::Value GetDepth(const Napi::CallbackInfo &info) { return Number::New(info.Env(), mat_.depth()); }
-	Napi::Value GetChannels(const Napi::CallbackInfo &info) { return Number::New(info.Env(), mat_.channels()); }
-	Napi::Value GetFlags(const Napi::CallbackInfo &info) { return Number::New(info.Env(), mat_.flags); }
-	Napi::Value GetDims(const Napi::CallbackInfo &info) { return Number::New(info.Env(), mat_.dims); }
-	Napi::Value GetIsContinuous(const Napi::CallbackInfo &info) { return Boolean::New(info.Env(), mat_.isContinuous()); }
-	Napi::Value GetIsSubmatrix(const Napi::CallbackInfo &info) { return Boolean::New(info.Env(), mat_.isSubmatrix()); }
-	Napi::Value GetElemSize(const Napi::CallbackInfo &info) { return Number::New(info.Env(), static_cast<double>(mat_.elemSize())); }
-	Napi::Value GetElemSize1(const Napi::CallbackInfo &info) { return Number::New(info.Env(), static_cast<double>(mat_.elemSize1())); }
-	Napi::Value GetTotal(const Napi::CallbackInfo &info) { return Number::New(info.Env(), static_cast<double>(mat_.total())); }
-	Napi::Value GetTotalWithDim(const Napi::CallbackInfo &info) { return Number::New(info.Env(), static_cast<double>(mat_.total(info[0].As<Number>().Int32Value(), info[1].As<Number>().Int32Value()))); }
-	Napi::Value GetSize(const Napi::CallbackInfo &info)
-	{
-		auto ret = Array::New(info.Env(), mat_.dims);
-		auto &size = mat_.size;
-		for (int i = 0; i < mat_.dims; ++i) ret.Set(i, size[i]);
-		return ret;
-	}
+NODE_FUNCTION_IMPL(IsEmpty)
+{
+	return Boolean::New(info.Env(), mat_.empty());
+}
+NODE_FUNCTION_IMPL(GetCols)
+{
+	return Number::New(info.Env(), mat_.cols);
+}
+NODE_FUNCTION_IMPL(GetRows)
+{
+	return Number::New(info.Env(), mat_.rows);
+}
+NODE_FUNCTION_IMPL(GetType)
+{
+	return Number::New(info.Env(), mat_.type());
+}
+NODE_FUNCTION_IMPL(GetDepth)
+{
+	return Number::New(info.Env(), mat_.depth());
+}
+NODE_FUNCTION_IMPL(GetChannels)
+{
+	return Number::New(info.Env(), mat_.channels());
+}
+NODE_FUNCTION_IMPL(GetFlags)
+{
+	return Number::New(info.Env(), mat_.flags);
+}
+NODE_FUNCTION_IMPL(GetDims)
+{
+	return Number::New(info.Env(), mat_.dims);
+}
+NODE_FUNCTION_IMPL(GetIsContinuous)
+{
+	return Boolean::New(info.Env(), mat_.isContinuous());
+}
+NODE_FUNCTION_IMPL(GetIsSubmatrix)
+{
+	return Boolean::New(info.Env(), mat_.isSubmatrix());
+}
+NODE_FUNCTION_IMPL(GetElemSize)
+{
+	return Number::New(info.Env(), static_cast<double>(mat_.elemSize()));
+}
+NODE_FUNCTION_IMPL(GetElemSize1)
+{
+	return Number::New(info.Env(), static_cast<double>(mat_.elemSize1()));
+}
+NODE_FUNCTION_IMPL(GetTotal)
+{
+	return Number::New(info.Env(), static_cast<double>(mat_.total()));
+}
+NODE_FUNCTION_IMPL(GetTotalWithDim)
+{
+	return Number::New(info.Env(), static_cast<double>(mat_.total(info[0].As<Number>().Int32Value(), info[1].As<Number>().Int32Value())));
+}
+NODE_FUNCTION_IMPL(GetSize)
+{
+	auto ret = Array::New(info.Env(), mat_.dims);
+	auto &size = mat_.size;
+	for (int i = 0; i < mat_.dims; ++i) ret.Set(i, size[i]);
+	return ret;
+}
+NODE_FUNCTION_IMPL(GetData)
+{
+	auto ptr = mat_.ptr();
+	auto bytes = mat_.elemSize() * mat_.total();
+	return ArrayBuffer::New(info.Env(), ptr, bytes);
+}
+
+NODE_FUNCTION_IMPL(Col)
+{
+	auto col = info[0].As<Number>().Int32Value();
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.col(col); });
+}
+NODE_FUNCTION_IMPL(ColRange)
+{
+	auto start = info[0].As<Number>().Int32Value();
+	auto end = info[1].As<Number>().Int32Value();
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.colRange(start, end); });
+}
+NODE_FUNCTION_IMPL(Row)
+{
+	auto row = info[0].As<Number>().Int32Value();
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.row(row); });
+}
+NODE_FUNCTION_IMPL(RowRange)
+{
+	auto start = info[0].As<Number>().Int32Value();
+	auto end = info[1].As<Number>().Int32Value();
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.rowRange(start, end); });
+}
+NODE_FUNCTION_IMPL(Diag)
+{
+	auto d = info[0].As<Number>().Int32Value();
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.diag(d); });
+}


-	Napi::Value Col(const Napi::CallbackInfo &info)
-	{
-		auto col = info[0].As<Number>().Int32Value();
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.col(col); });
-	}
-	Napi::Value ColRange(const Napi::CallbackInfo &info)
-	{
-		auto start = info[0].As<Number>().Int32Value();
-		auto end = info[1].As<Number>().Int32Value();
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.colRange(start, end); });
-	}
-	Napi::Value Row(const Napi::CallbackInfo &info)
-	{
-		auto row = info[0].As<Number>().Int32Value();
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.row(row); });
-	}
-	Napi::Value RowRange(const Napi::CallbackInfo &info)
-	{
-		auto start = info[0].As<Number>().Int32Value();
-		auto end = info[1].As<Number>().Int32Value();
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.rowRange(start, end); });
-	}
-	Napi::Value Diag(const Napi::CallbackInfo &info)
-	{
-		auto d = info[0].As<Number>().Int32Value();
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.diag(d); });
+NODE_FUNCTION_IMPL(Clone)
+{
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.clone(); });
+}
+NODE_FUNCTION_IMPL(CopyTo)
+{
+	auto &target = GetMat(info[0].As<Object>());
+	mat_.copyTo(target.mat_);
+	return info.Env().Undefined();
+}
+
+NODE_FUNCTION_IMPL(Crop)
+{
+	auto &src = GetMat(info[0].As<Object>());
+	auto &dst = GetMat(info[1].As<Object>());
+	auto rangeArray = info[2].As<Array>();
+	std::vector<cv::Range> ranges(rangeArray.Length());
+	for (int i = 0; i < ranges.size(); ++i) {
+		auto item = rangeArray.Get(i).As<Object>();
+		auto start = item.Get("start").As<Number>().Int32Value();
+		auto end = item.Get("end").As<Number>().Int32Value();
+		ranges[i] = cv::Range(start, end);
 	}
+	dst.mat_ = src.mat_(ranges);
+	return info[1];
+}
+NODE_FUNCTION_IMPL(Resize)
+{
+	auto &src = GetMat(info[0].As<Object>());
+	auto &dst = GetMat(info[1].As<Object>());
+	auto width = info[2].As<Number>().Int32Value();
+	auto height = info[3].As<Number>().Int32Value();
+	auto fx = info[4].As<Number>().DoubleValue();
+	auto fy = info[5].As<Number>().DoubleValue();
+	auto interpolation = info[6].As<Number>().Int32Value();
+	cv::resize(src.mat_, dst.mat_, cv::Size(width, height), fx, fy, interpolation);
+	return info[1];
+}
+NODE_FUNCTION_IMPL(WarpAffine)
+{
+	auto &src = GetMat(info[0].As<Object>());
+	auto &dst = GetMat(info[1].As<Object>());
+	auto &transformMat = GetMat(info[2].As<Object>());
+	auto dwidth = info[3].As<Number>().Int32Value();
+	auto dheight = info[4].As<Number>().Int32Value();
+	auto flags = info[5].As<Number>().Int32Value();
+	auto borderMode = info[6].As<Number>().Int32Value();
+	cv::warpAffine(src.mat_, dst.mat_, transformMat.mat_, cv::Size(dwidth, dheight), flags, borderMode);
+	return info[1];
+}
+NODE_FUNCTION_IMPL(Blur)
+{
+	auto &src = GetMat(info[0].As<Object>());
+	auto &dst = GetMat(info[1].As<Object>());
+	auto kwidth = info[2].As<Number>().Int32Value();
+	auto kheight = info[3].As<Number>().Int32Value();
+	auto anchorX = info[4].As<Number>().Int32Value();
+	auto anchorY = info[5].As<Number>().Int32Value();
+	auto borderType = info[6].As<Number>().Int32Value();
+	cv::blur(src.mat_, dst.mat_, cv::Size(kwidth, kheight), cv::Point(anchorX, anchorY), borderType);
+	return info[1];
+}
+NODE_FUNCTION_IMPL(CopyMakeBorder)
+{
+	auto &src = GetMat(info[0].As<Object>());
+	auto &dst = GetMat(info[1].As<Object>());
+	auto top = info[2].As<Number>().Int32Value();
+	auto bottom = info[3].As<Number>().Int32Value();
+	auto left = info[4].As<Number>().Int32Value();
+	auto right = info[5].As<Number>().Int32Value();
+	auto borderType = info[6].As<Number>().Int32Value();
+	cv::copyMakeBorder(src.mat_, dst.mat_, top, bottom, left, right, borderType);
+	return info[1];
+}
+NODE_FUNCTION_IMPL(Flip)
+{
+	auto &src = GetMat(info[0].As<Object>());
+	auto &dst = GetMat(info[1].As<Object>());
+	auto flipCode = info[2].As<Number>().Int32Value();
+	cv::flip(src.mat_, dst.mat_, flipCode);
+	return info[1];
+}
+NODE_FUNCTION_IMPL(GetRotationMatrix2D)
+{
+	auto centerX = info[0].As<Number>().FloatValue();
+	auto centerY = info[1].As<Number>().FloatValue();
+	auto angle = info[2].As<Number>().DoubleValue();
+	auto scale = info[3].As<Number>().DoubleValue();
+	return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = cv::getRotationMatrix2D(cv::Point2f(centerX, centerY), angle, scale); });
+}


-	Napi::Value Clone(const Napi::CallbackInfo &info)
-	{
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = mat_.clone(); });
+NODE_FUNCTION_IMPL(Rectangle)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto x1 = info[1].As<Number>().Int32Value();
+	auto y1 = info[2].As<Number>().Int32Value();
+	auto x2 = info[3].As<Number>().Int32Value();
+	auto y2 = info[4].As<Number>().Int32Value();
+	auto b = info[5].As<Number>().DoubleValue();
+	auto g = info[6].As<Number>().DoubleValue();
+	auto r = info[7].As<Number>().DoubleValue();
+	auto thickness = info[8].As<Number>().Int32Value();
+	auto lineType = info[9].As<Number>().Int32Value();
+	auto shift = info[10].As<Number>().Int32Value();
+	cv::rectangle(img.mat_, cv::Point(x1, y1), cv::Point(x2, y2), cv::Scalar(b, g, r), thickness, lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(Circle)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto x = info[1].As<Number>().Int32Value();
+	auto y = info[2].As<Number>().Int32Value();
+	auto radius = info[3].As<Number>().Int32Value();
+	auto b = info[4].As<Number>().DoubleValue();
+	auto g = info[5].As<Number>().DoubleValue();
+	auto r = info[6].As<Number>().DoubleValue();
+	auto thickness = info[7].As<Number>().Int32Value();
+	auto lineType = info[8].As<Number>().Int32Value();
+	auto shift = info[9].As<Number>().Int32Value();
+	cv::circle(img.mat_, cv::Point(x, y), radius, cv::Scalar(b, g, r), thickness, lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(Line)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto x1 = info[1].As<Number>().Int32Value();
+	auto y1 = info[2].As<Number>().Int32Value();
+	auto x2 = info[3].As<Number>().Int32Value();
+	auto y2 = info[4].As<Number>().Int32Value();
+	auto b = info[5].As<Number>().DoubleValue();
+	auto g = info[6].As<Number>().DoubleValue();
+	auto r = info[7].As<Number>().DoubleValue();
+	auto thickness = info[8].As<Number>().Int32Value();
+	auto lineType = info[9].As<Number>().Int32Value();
+	auto shift = info[10].As<Number>().Int32Value();
+	cv::line(img.mat_, cv::Point(x1, y1), cv::Point(x2, y2), cv::Scalar(b, g, r), thickness, lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(Ellipse)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto x = info[1].As<Number>().Int32Value();
+	auto y = info[2].As<Number>().Int32Value();
+	auto width = info[3].As<Number>().Int32Value();
+	auto height = info[4].As<Number>().Int32Value();
+	auto angle = info[5].As<Number>().DoubleValue();
+	auto startAngle = info[6].As<Number>().DoubleValue();
+	auto endAngle = info[7].As<Number>().DoubleValue();
+	auto b = info[8].As<Number>().DoubleValue();
+	auto g = info[9].As<Number>().DoubleValue();
+	auto r = info[10].As<Number>().DoubleValue();
+	auto thickness = info[11].As<Number>().Int32Value();
+	auto lineType = info[12].As<Number>().Int32Value();
+	auto shift = info[13].As<Number>().Int32Value();
+	cv::ellipse(img.mat_, cv::Point(x, y), cv::Size(width, height), angle, startAngle, endAngle, cv::Scalar(b, g, r), thickness, lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(Polylines)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto points_ = info[1].As<Array>();
+	std::vector<cv::Point> points(points_.Length());
+	for (uint32_t i = 0; i < points_.Length(); i++) {
+		auto pt = points_.Get(i).As<Array>();
+		points[i] = cv::Point(pt.Get(0U).As<Number>().Int32Value(), pt.Get(1U).As<Number>().Int32Value());
 	}
-
-
-	static Napi::Value Crop(const Napi::CallbackInfo &info)
-	{
-		auto &src = GetMat(info[0].As<Object>());
-		auto &dst = GetMat(info[1].As<Object>());
-		auto rangeArray = info[2].As<Array>();
-		std::vector<cv::Range> ranges(rangeArray.Length());
-		for (int i = 0; i < ranges.size(); ++i) {
-			auto item = rangeArray.Get(i).As<Object>();
-			auto start = item.Get("start").As<Number>().Int32Value();
-			auto end = item.Get("end").As<Number>().Int32Value();
-			ranges[i] = cv::Range(start, end);
-		}
-		dst.mat_ = src.mat_(ranges);
-		return info[1];
+	auto isClosed = info[2].As<Boolean>().Value();
+	auto b = info[3].As<Number>().DoubleValue();
+	auto g = info[4].As<Number>().DoubleValue();
+	auto r = info[5].As<Number>().DoubleValue();
+	auto thickness = info[6].As<Number>().Int32Value();
+	auto lineType = info[7].As<Number>().Int32Value();
+	auto shift = info[8].As<Number>().Int32Value();
+	cv::polylines(img.mat_, points, isClosed, cv::Scalar(b, g, r), thickness, lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(FillPoly)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto points_ = info[1].As<Array>();
+	std::vector<cv::Point> points(points_.Length());
+	for (uint32_t i = 0; i < points_.Length(); i++) {
+		auto pt = points_.Get(i).As<Array>();
+		points[i] = cv::Point(pt.Get(0U).As<Number>().Int32Value(), pt.Get(1U).As<Number>().Int32Value());
 	}
-	static Napi::Value Resize(const Napi::CallbackInfo &info)
-	{
-		auto &src = GetMat(info[0].As<Object>());
-		auto &dst = GetMat(info[1].As<Object>());
-		auto width = info[2].As<Number>().Int32Value();
-		auto height = info[3].As<Number>().Int32Value();
-		auto fx = info[4].As<Number>().DoubleValue();
-		auto fy = info[5].As<Number>().DoubleValue();
-		auto interpolation = info[6].As<Number>().Int32Value();
-		cv::resize(src.mat_, dst.mat_, cv::Size(width, height), fx, fy, interpolation);
-		return info[1];
+	auto b = info[2].As<Number>().DoubleValue();
+	auto g = info[3].As<Number>().DoubleValue();
+	auto r = info[4].As<Number>().DoubleValue();
+	auto lineType = info[5].As<Number>().Int32Value();
+	auto shift = info[6].As<Number>().Int32Value();
+	cv::fillPoly(img.mat_, points, cv::Scalar(b, g, r), lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(FillConvexPoly)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto points_ = info[1].As<Array>();
+	std::vector<cv::Point> points(points_.Length());
+	for (uint32_t i = 0; i < points_.Length(); i++) {
+		auto pt = points_.Get(i).As<Array>();
+		points[i] = cv::Point(pt.Get(0U).As<Number>().Int32Value(), pt.Get(1U).As<Number>().Int32Value());
 	}
-	static Napi::Value WarpAffine(const Napi::CallbackInfo &info)
-	{
-		auto &src = GetMat(info[0].As<Object>());
-		auto &dst = GetMat(info[1].As<Object>());
-		auto &transformMat = GetMat(info[2].As<Object>());
-		auto dwidth = info[3].As<Number>().Int32Value();
-		auto dheight = info[4].As<Number>().Int32Value();
-		auto flags = info[5].As<Number>().Int32Value();
-		auto borderMode = info[6].As<Number>().Int32Value();
-		cv::warpAffine(src.mat_, dst.mat_, transformMat.mat_, cv::Size(dwidth, dheight), flags, borderMode);
-		return info[1];
-	}
-	static Napi::Value Blur(const Napi::CallbackInfo &info)
-	{
-		auto &src = GetMat(info[0].As<Object>());
-		auto &dst = GetMat(info[1].As<Object>());
-		auto kwidth = info[2].As<Number>().Int32Value();
-		auto kheight = info[3].As<Number>().Int32Value();
-		auto anchorX = info[4].As<Number>().Int32Value();
-		auto anchorY = info[5].As<Number>().Int32Value();
-		auto borderType = info[6].As<Number>().Int32Value();
-		cv::blur(src.mat_, dst.mat_, cv::Size(kwidth, kheight), cv::Point(anchorX, anchorY), borderType);
-		return info[1];
-	}
-	static Napi::Value CopyMakeBorder(const Napi::CallbackInfo &info)
-	{
-		auto &src = GetMat(info[0].As<Object>());
-		auto &dst = GetMat(info[1].As<Object>());
-		auto top = info[2].As<Number>().Int32Value();
-		auto bottom = info[3].As<Number>().Int32Value();
-		auto left = info[4].As<Number>().Int32Value();
-		auto right = info[5].As<Number>().Int32Value();
-		auto borderType = info[6].As<Number>().Int32Value();
-		cv::copyMakeBorder(src.mat_, dst.mat_, top, bottom, left, right, borderType);
-		return info[1];
-	}
-	static Napi::Value Flip(const Napi::CallbackInfo &info)
-	{
-		auto &src = GetMat(info[0].As<Object>());
-		auto &dst = GetMat(info[1].As<Object>());
-		auto flipCode = info[2].As<Number>().Int32Value();
-		cv::flip(src.mat_, dst.mat_, flipCode);
-		return info[1];
-	}
-	static Napi::Value GetRotationMatrix2D(const Napi::CallbackInfo &info)
-	{
-		auto centerX = info[0].As<Number>().FloatValue();
-		auto centerY = info[1].As<Number>().FloatValue();
-		auto angle = info[2].As<Number>().DoubleValue();
-		auto scale = info[3].As<Number>().DoubleValue();
-		return CreateMat(info.Env(), [&](CVMat &mat) { mat.mat_ = cv::getRotationMatrix2D(cv::Point2f(centerX, centerY), angle, scale); });
-	}
-
-
-	static Napi::Value Rectangle(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto x1 = info[1].As<Number>().Int32Value();
-		auto y1 = info[2].As<Number>().Int32Value();
-		auto x2 = info[3].As<Number>().Int32Value();
-		auto y2 = info[4].As<Number>().Int32Value();
-		auto b = info[5].As<Number>().DoubleValue();
-		auto g = info[6].As<Number>().DoubleValue();
-		auto r = info[7].As<Number>().DoubleValue();
-		auto thickness = info[8].As<Number>().Int32Value();
-		auto lineType = info[9].As<Number>().Int32Value();
-		auto shift = info[10].As<Number>().Int32Value();
-		cv::rectangle(img.mat_, cv::Point(x1, y1), cv::Point(x2, y2), cv::Scalar(b, g, r), thickness, lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value Circle(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto x = info[1].As<Number>().Int32Value();
-		auto y = info[2].As<Number>().Int32Value();
-		auto radius = info[3].As<Number>().Int32Value();
-		auto b = info[4].As<Number>().DoubleValue();
-		auto g = info[5].As<Number>().DoubleValue();
-		auto r = info[6].As<Number>().DoubleValue();
-		auto thickness = info[7].As<Number>().Int32Value();
-		auto lineType = info[8].As<Number>().Int32Value();
-		auto shift = info[9].As<Number>().Int32Value();
-		cv::circle(img.mat_, cv::Point(x, y), radius, cv::Scalar(b, g, r), thickness, lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value Line(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto x1 = info[1].As<Number>().Int32Value();
-		auto y1 = info[2].As<Number>().Int32Value();
-		auto x2 = info[3].As<Number>().Int32Value();
-		auto y2 = info[4].As<Number>().Int32Value();
-		auto b = info[5].As<Number>().DoubleValue();
-		auto g = info[6].As<Number>().DoubleValue();
-		auto r = info[7].As<Number>().DoubleValue();
-		auto thickness = info[8].As<Number>().Int32Value();
-		auto lineType = info[9].As<Number>().Int32Value();
-		auto shift = info[10].As<Number>().Int32Value();
-		cv::line(img.mat_, cv::Point(x1, y1), cv::Point(x2, y2), cv::Scalar(b, g, r), thickness, lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value Ellipse(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto x = info[1].As<Number>().Int32Value();
-		auto y = info[2].As<Number>().Int32Value();
-		auto width = info[3].As<Number>().Int32Value();
-		auto height = info[4].As<Number>().Int32Value();
-		auto angle = info[5].As<Number>().DoubleValue();
-		auto startAngle = info[6].As<Number>().DoubleValue();
-		auto endAngle = info[7].As<Number>().DoubleValue();
-		auto b = info[8].As<Number>().DoubleValue();
-		auto g = info[9].As<Number>().DoubleValue();
-		auto r = info[10].As<Number>().DoubleValue();
-		auto thickness = info[11].As<Number>().Int32Value();
-		auto lineType = info[12].As<Number>().Int32Value();
-		auto shift = info[13].As<Number>().Int32Value();
-		cv::ellipse(img.mat_, cv::Point(x, y), cv::Size(width, height), angle, startAngle, endAngle, cv::Scalar(b, g, r), thickness, lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value Polylines(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto points_ = info[1].As<Array>();
-		std::vector<cv::Point> points(points_.Length());
-		for (uint32_t i = 0; i < points_.Length(); i++) {
-			auto pt = points_.Get(i).As<Array>();
-			points[i] = cv::Point(pt.Get(0U).As<Number>().Int32Value(), pt.Get(1U).As<Number>().Int32Value());
-		}
-		auto isClosed = info[2].As<Boolean>().Value();
-		auto b = info[3].As<Number>().DoubleValue();
-		auto g = info[4].As<Number>().DoubleValue();
-		auto r = info[5].As<Number>().DoubleValue();
-		auto thickness = info[6].As<Number>().Int32Value();
-		auto lineType = info[7].As<Number>().Int32Value();
-		auto shift = info[8].As<Number>().Int32Value();
-		cv::polylines(img.mat_, points, isClosed, cv::Scalar(b, g, r), thickness, lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value FillPoly(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto points_ = info[1].As<Array>();
-		std::vector<cv::Point> points(points_.Length());
-		for (uint32_t i = 0; i < points_.Length(); i++) {
-			auto pt = points_.Get(i).As<Array>();
-			points[i] = cv::Point(pt.Get(0U).As<Number>().Int32Value(), pt.Get(1U).As<Number>().Int32Value());
-		}
-		auto b = info[2].As<Number>().DoubleValue();
-		auto g = info[3].As<Number>().DoubleValue();
-		auto r = info[4].As<Number>().DoubleValue();
-		auto lineType = info[5].As<Number>().Int32Value();
-		auto shift = info[6].As<Number>().Int32Value();
-		cv::fillPoly(img.mat_, points, cv::Scalar(b, g, r), lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value FillConvexPoly(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto points_ = info[1].As<Array>();
-		std::vector<cv::Point> points(points_.Length());
-		for (uint32_t i = 0; i < points_.Length(); i++) {
-			auto pt = points_.Get(i).As<Array>();
-			points[i] = cv::Point(pt.Get(0U).As<Number>().Int32Value(), pt.Get(1U).As<Number>().Int32Value());
-		}
-		auto b = info[2].As<Number>().DoubleValue();
-		auto g = info[3].As<Number>().DoubleValue();
-		auto r = info[4].As<Number>().DoubleValue();
-		auto lineType = info[5].As<Number>().Int32Value();
-		auto shift = info[6].As<Number>().Int32Value();
-		cv::fillConvexPoly(img.mat_, points, cv::Scalar(b, g, r), lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value DrawMarker(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto x = info[1].As<Number>().Int32Value();
-		auto y = info[2].As<Number>().Int32Value();
-		auto b = info[3].As<Number>().DoubleValue();
-		auto g = info[4].As<Number>().DoubleValue();
-		auto r = info[5].As<Number>().DoubleValue();
-		auto markerType = info[6].As<Number>().Int32Value();
-		auto markerSize = info[7].As<Number>().Int32Value();
-		auto lineType = info[8].As<Number>().Int32Value();
-		auto shift = info[9].As<Number>().Int32Value();
-		cv::drawMarker(img.mat_, cv::Point(x, y), cv::Scalar(b, g, r), markerType, markerSize, lineType, shift);
-		return info.Env().Undefined();
-	}
-	static Napi::Value PutText(const Napi::CallbackInfo &info)
-	{
-		auto &img = GetMat(info[0].As<Object>());
-		auto text = info[1].As<String>().Utf8Value();
-		auto x = info[2].As<Number>().Int32Value();
-		auto y = info[3].As<Number>().Int32Value();
-		auto fontFace = info[4].As<Number>().Int32Value();
-		auto fontScale = info[5].As<Number>().DoubleValue();
-		auto b = info[6].As<Number>().DoubleValue();
-		auto g = info[7].As<Number>().DoubleValue();
-		auto r = info[8].As<Number>().DoubleValue();
-		auto thickness = info[9].As<Number>().Int32Value();
-		auto lineType = info[10].As<Number>().Int32Value();
-		auto shift = info[11].As<Number>().Int32Value();
-		auto bottomLeftOrigin = info[12].As<Boolean>().Value();
-		cv::putText(img.mat_, text, cv::Point(x, y), fontFace, fontScale, cv::Scalar(b, g, r), thickness, lineType, bottomLeftOrigin);
-		return info.Env().Undefined();
-	}
-
-  private:
-	inline static Napi::Object EmptyMat(Napi::Env env) { return constructor->New({}).As<Object>(); }
-	inline static CVMat &GetMat(Napi::Object obj) { return *ObjectWrap<CVMat>::Unwrap(obj); }
-	inline static Napi::Object CreateMat(Napi::Env env, std::function<void(CVMat &mat)> callback)
-	{
-		auto obj = EmptyMat(env);
-		callback(GetMat(obj));
-		return obj;
-	}
-
-  private:
-	cv::Mat mat_;
-};
+	auto b = info[2].As<Number>().DoubleValue();
+	auto g = info[3].As<Number>().DoubleValue();
+	auto r = info[4].As<Number>().DoubleValue();
+	auto lineType = info[5].As<Number>().Int32Value();
+	auto shift = info[6].As<Number>().Int32Value();
+	cv::fillConvexPoly(img.mat_, points, cv::Scalar(b, g, r), lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(DrawMarker)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto x = info[1].As<Number>().Int32Value();
+	auto y = info[2].As<Number>().Int32Value();
+	auto b = info[3].As<Number>().DoubleValue();
+	auto g = info[4].As<Number>().DoubleValue();
+	auto r = info[5].As<Number>().DoubleValue();
+	auto markerType = info[6].As<Number>().Int32Value();
+	auto markerSize = info[7].As<Number>().Int32Value();
+	auto lineType = info[8].As<Number>().Int32Value();
+	auto shift = info[9].As<Number>().Int32Value();
+	cv::drawMarker(img.mat_, cv::Point(x, y), cv::Scalar(b, g, r), markerType, markerSize, lineType, shift);
+	return info.Env().Undefined();
+}
+NODE_FUNCTION_IMPL(PutText)
+{
+	auto &img = GetMat(info[0].As<Object>());
+	auto text = info[1].As<String>().Utf8Value();
+	auto x = info[2].As<Number>().Int32Value();
+	auto y = info[3].As<Number>().Int32Value();
+	auto fontFace = info[4].As<Number>().Int32Value();
+	auto fontScale = info[5].As<Number>().DoubleValue();
+	auto b = info[6].As<Number>().DoubleValue();
+	auto g = info[7].As<Number>().DoubleValue();
+	auto r = info[8].As<Number>().DoubleValue();
+	auto thickness = info[9].As<Number>().Int32Value();
+	auto lineType = info[10].As<Number>().Int32Value();
+	auto shift = info[11].As<Number>().Int32Value();
+	auto bottomLeftOrigin = info[12].As<Boolean>().Value();
+	cv::putText(img.mat_, text, cv::Point(x, y), fontFace, fontScale, cv::Scalar(b, g, r), thickness, lineType, bottomLeftOrigin);
+	return info.Env().Undefined();
+}

 void InitMatAPI(Napi::Env env, Napi::Object exports)
 {
--- a/cxx/mat.h
+++ b/cxx/mat.h
@ -0,0 +1,79 @@
+#ifndef __CV_MAT_H__
+#define __CV_MAT_H__
+
+#include "node.h"
+
+class CVMat : public Napi::ObjectWrap<CVMat> {
+  public:
+	friend class CVVideoCapture;
+
+  public:
+	static Napi::Object Init(Napi::Env env, Napi::Object exports);
+	CVMat(const Napi::CallbackInfo &info);
+	static Napi::Value ImRead(const Napi::CallbackInfo &info);
+	static Napi::Value ImDecode(const Napi::CallbackInfo &info);
+	static Napi::Value ImWrite(const Napi::CallbackInfo &info);
+	static Napi::Value ImEncode(const Napi::CallbackInfo &info);
+
+	Napi::Value IsEmpty(const Napi::CallbackInfo &info);
+	Napi::Value GetCols(const Napi::CallbackInfo &info);
+	Napi::Value GetRows(const Napi::CallbackInfo &info);
+	Napi::Value GetType(const Napi::CallbackInfo &info);
+	Napi::Value GetDepth(const Napi::CallbackInfo &info);
+	Napi::Value GetChannels(const Napi::CallbackInfo &info);
+	Napi::Value GetFlags(const Napi::CallbackInfo &info);
+	Napi::Value GetDims(const Napi::CallbackInfo &info);
+	Napi::Value GetIsContinuous(const Napi::CallbackInfo &info);
+	Napi::Value GetIsSubmatrix(const Napi::CallbackInfo &info);
+	Napi::Value GetElemSize(const Napi::CallbackInfo &info);
+	Napi::Value GetElemSize1(const Napi::CallbackInfo &info);
+	Napi::Value GetTotal(const Napi::CallbackInfo &info);
+	Napi::Value GetTotalWithDim(const Napi::CallbackInfo &info);
+	Napi::Value GetSize(const Napi::CallbackInfo &info);
+	Napi::Value GetData(const Napi::CallbackInfo &info);
+
+	Napi::Value Col(const Napi::CallbackInfo &info);
+	Napi::Value ColRange(const Napi::CallbackInfo &info);
+	Napi::Value Row(const Napi::CallbackInfo &info);
+	Napi::Value RowRange(const Napi::CallbackInfo &info);
+	Napi::Value Diag(const Napi::CallbackInfo &info);
+
+
+	Napi::Value Clone(const Napi::CallbackInfo &info);
+	Napi::Value CopyTo(const Napi::CallbackInfo &info);
+
+	static Napi::Value Crop(const Napi::CallbackInfo &info);
+	static Napi::Value Resize(const Napi::CallbackInfo &info);
+	static Napi::Value WarpAffine(const Napi::CallbackInfo &info);
+	static Napi::Value Blur(const Napi::CallbackInfo &info);
+	static Napi::Value CopyMakeBorder(const Napi::CallbackInfo &info);
+	static Napi::Value Flip(const Napi::CallbackInfo &info);
+	static Napi::Value GetRotationMatrix2D(const Napi::CallbackInfo &info);
+
+
+	static Napi::Value Rectangle(const Napi::CallbackInfo &info);
+	static Napi::Value Circle(const Napi::CallbackInfo &info);
+	static Napi::Value Line(const Napi::CallbackInfo &info);
+	static Napi::Value Ellipse(const Napi::CallbackInfo &info);
+	static Napi::Value Polylines(const Napi::CallbackInfo &info);
+	static Napi::Value FillPoly(const Napi::CallbackInfo &info);
+	static Napi::Value FillConvexPoly(const Napi::CallbackInfo &info);
+	static Napi::Value DrawMarker(const Napi::CallbackInfo &info);
+	static Napi::Value PutText(const Napi::CallbackInfo &info);
+
+  private:
+	inline static Napi::Object EmptyMat(Napi::Env env) { return constructor->New({}).As<Napi::Object>(); }
+	inline static CVMat &GetMat(Napi::Object obj) { return *ObjectWrap<CVMat>::Unwrap(obj); }
+	inline static Napi::Object CreateMat(Napi::Env env, std::function<void(CVMat &mat)> callback)
+	{
+		auto obj = EmptyMat(env);
+		callback(GetMat(obj));
+		return obj;
+	}
+
+  private:
+	static Napi::FunctionReference *constructor;
+	cv::Mat mat_;
+};
+
+#endif
--- a/cxx/node.cc
+++ b/cxx/node.cc
@ -4,8 +4,13 @@

 static Napi::Object Init(Napi::Env env, Napi::Object exports)
 {
+#ifdef RELEASE_VERSION
+	exports.Set("__release__", Napi::String::New(env, RELEASE_VERSION));
+#endif
+
 	InitMatAPI(env, exports);
-	InitProcAPI(env, exports);
+	InitVideoCaptureAPI(env, exports);
+	InitUtilAPI(env, exports);
 	return exports;
 }
 NODE_API_MODULE(addon, Init);
--- a/cxx/node.h
+++ b/cxx/node.h
@ -4,7 +4,11 @@
 #include <napi.h>
 #include <opencv2/opencv.hpp>

+#define NODE_FUNCTION(name) Napi::Value name(const CallbackInfo &info)
+#define NODE_FUNCTION_STATIC(name) static Napi::Value name(const CallbackInfo &info)
+
 void InitMatAPI(Napi::Env env, Napi::Object exports);
-void InitProcAPI(Napi::Env env, Napi::Object exports);
+void InitVideoCaptureAPI(Napi::Env env, Napi::Object exports);
+void InitUtilAPI(Napi::Env env, Napi::Object exports);

 #endif
--- a/cxx/util.cc
+++ b/cxx/util.cc
@ -27,7 +27,7 @@ DEFINE_FUNCTION(GetFontScaleFromHeight)
 	return Number::New(info.Env(), cv::getFontScaleFromHeight(fontFace, pixelHeight, thickness));
 }

-void InitProcAPI(Napi::Env env, Napi::Object exports)
+void InitUtilAPI(Napi::Env env, Napi::Object exports)
 {
 	auto obj = Object::New(env);
 	ADD_PROC_FUNCTION(GetTextSize);
--- a/cxx/videocap.cc
+++ b/cxx/videocap.cc
@ -0,0 +1,114 @@
+#include <iostream>
+#include <vector>
+#include "node.h"
+#include "mat.h"
+#include "videocap.h"
+
+using namespace Napi;
+
+#define MAT_INSTANCE_METHOD(method) InstanceMethod<&CVVideoCapture::method>(#method, static_cast<napi_property_attributes>(napi_writable | napi_configurable))
+#define MAT_STATIC_METHOD(method) StaticMethod<&CVVideoCapture::method>(#method, static_cast<napi_property_attributes>(napi_writable | napi_configurable))
+
+
+FunctionReference *CVVideoCapture::constructor = nullptr;
+
+Napi::Object CVVideoCapture::Init(Napi::Env env, Napi::Object exports)
+{
+	Function func = DefineClass(env, "VideoCapture", {
+														 MAT_INSTANCE_METHOD(Open),
+														 MAT_INSTANCE_METHOD(IsOpened),
+														 MAT_INSTANCE_METHOD(Grab),
+														 MAT_INSTANCE_METHOD(Retrieve),
+														 MAT_INSTANCE_METHOD(Read),
+														 MAT_INSTANCE_METHOD(Set),
+														 MAT_INSTANCE_METHOD(Get),
+														 MAT_INSTANCE_METHOD(GetBackendName),
+													 });
+	constructor = new FunctionReference();
+	*constructor = Napi::Persistent(func);
+	exports.Set("VideoCapture", func);
+	env.SetInstanceData<FunctionReference>(constructor);
+	return exports;
+}
+
+CVVideoCapture::CVVideoCapture(const Napi::CallbackInfo &info)
+	: ObjectWrap<CVVideoCapture>(info)
+{
+	if (info[0].IsString()) {
+		auto apiPreference = (info.Length() > 1) ? info[1].As<Number>().Int32Value() : cv::CAP_ANY;
+		std::vector<int> params;
+		if (info.Length() > 2) {
+			auto paramsArray = info[2].As<Array>();
+			params.resize(paramsArray.Length());
+			for (auto i = 0; i < params.size(); ++i) params[i] = paramsArray.Get(i).As<Number>().Int32Value();
+		}
+		capture_ = cv::VideoCapture(info[0].As<String>().Utf8Value(), apiPreference, params);
+	}
+	else if (info[0].IsNumber()) {
+		auto index = info[0].As<Number>().Int32Value();
+		auto apiPreference = (info.Length() > 1) ? info[1].As<Number>().Int32Value() : cv::CAP_ANY;
+		std::vector<int> params;
+		if (info.Length() > 2) {
+			auto paramsArray = info[2].As<Array>();
+			params.resize(paramsArray.Length());
+			for (auto i = 0; i < params.size(); ++i) params[i] = paramsArray.Get(i).As<Number>().Int32Value();
+		}
+		capture_ = cv::VideoCapture(index, apiPreference, params);
+	}
+	else capture_ = cv::VideoCapture();
+}
+
+Napi::Value CVVideoCapture::Open(const Napi::CallbackInfo &info)
+{
+	bool res = false;
+	auto apiPreference = (info.Length() > 1) ? info[1].As<Number>().Int32Value() : cv::CAP_ANY;
+	std::vector<int> params;
+	if (info.Length() > 2) {
+		auto paramsArray = info[2].As<Array>();
+		params.resize(paramsArray.Length());
+		for (auto i = 0; i < params.size(); ++i) params[i] = paramsArray.Get(i).As<Number>().Int32Value();
+	}
+	if (info[0].IsString()) res = capture_.open(info[0].As<String>().Utf8Value(), apiPreference, params);
+	else if (info[0].IsNumber()) res = capture_.open(info[0].As<Number>().Int32Value(), apiPreference, params);
+	return Boolean::New(info.Env(), res);
+}
+Napi::Value CVVideoCapture::IsOpened(const Napi::CallbackInfo &info)
+{
+	return Boolean::New(info.Env(), capture_.isOpened());
+}
+Napi::Value CVVideoCapture::Grab(const Napi::CallbackInfo &info)
+{
+	return Boolean::New(info.Env(), capture_.grab());
+}
+Napi::Value CVVideoCapture::Retrieve(const Napi::CallbackInfo &info)
+{
+	auto flag = info[0].As<Number>().Int32Value();
+	return CVMat::CreateMat(info.Env(), [&](CVMat &mat) {
+		capture_.retrieve(mat.mat_, flag);
+	});
+}
+Napi::Value CVVideoCapture::Read(const Napi::CallbackInfo &info)
+{
+	return CVMat::CreateMat(info.Env(), [&](CVMat &mat) {
+		capture_.read(mat.mat_);
+	});
+}
+Napi::Value CVVideoCapture::Set(const Napi::CallbackInfo &info)
+{
+	capture_.set(info[0].As<Number>().Int32Value(), info[1].As<Number>().DoubleValue());
+	return info.Env().Undefined();
+}
+Napi::Value CVVideoCapture::Get(const Napi::CallbackInfo &info)
+{
+	return Number::New(info.Env(), capture_.get(info[0].As<Number>().Int32Value()));
+}
+Napi::Value CVVideoCapture::GetBackendName(const Napi::CallbackInfo &info)
+{
+	return String::New(info.Env(), capture_.getBackendName());
+}
+
+
+void InitVideoCaptureAPI(Napi::Env env, Napi::Object exports)
+{
+	CVVideoCapture::Init(env, exports);
+}
--- a/cxx/videocap.h
+++ b/cxx/videocap.h
@ -0,0 +1,26 @@
+#ifndef __CV_VIDEO_CAP_H__
+#define __CV_VIDEO_CAP_H__
+
+#include "node.h"
+
+class CVVideoCapture : public Napi::ObjectWrap<CVVideoCapture> {
+  public:
+	static Napi::Object Init(Napi::Env env, Napi::Object exports);
+
+	CVVideoCapture(const Napi::CallbackInfo &info);
+
+	Napi::Value Open(const Napi::CallbackInfo &info);
+	Napi::Value IsOpened(const Napi::CallbackInfo &info);
+	Napi::Value Grab(const Napi::CallbackInfo &info);
+	Napi::Value Retrieve(const Napi::CallbackInfo &info);
+	Napi::Value Read(const Napi::CallbackInfo &info);
+	Napi::Value Set(const Napi::CallbackInfo &info);
+	Napi::Value Get(const Napi::CallbackInfo &info);
+	Napi::Value GetBackendName(const Napi::CallbackInfo &info);
+
+  private:
+	static Napi::FunctionReference *constructor;
+	cv::VideoCapture capture_;
+};
+
+#endif
--- a/package.json
+++ b/package.json
@ -1,10 +1,11 @@
 {
  "name": "@yizhi/cv",
-  "version": "1.0.0",
+  "version": "1.0.4",
+  "releaseVersion": "1.0.3",
  "main": "dist/index.js",
  "types": "typing/index.d.ts",
  "scripts": {
-    "build": "tsc",
+    "build": "rm -rf dist typing && tsc",
    "watch": "tsc -w --inlineSourceMap"
  },
  "keywords": [],
--- a/src/cv/addon.ts
+++ b/src/cv/addon.ts
@ -1,19 +1,22 @@
+import path from "path";
 import { LINE_8, MARKER_CROSS } from "./consts";

 export const config = {
-	ADDON_PATH: "../../build/cv.node",
+	ADDON_PATH: path.join(__dirname, "../../build/cv.node"),
 	DEFAULT_LINE_TYPE: LINE_8,
 	DEFAULT_THICKNESS: 1,
 	DEFAULT_MARKER: MARKER_CROSS,
 };

+export type AddonConfig = typeof config;
+
 export function getAddon() {
 	return require(config.ADDON_PATH);
 }

-export function getConfig<N extends keyof typeof config>(name: N): typeof config[N] { return config[name]; }
-export function setConfig<N extends keyof typeof config>(name: N, value: typeof config[N]) { config[name] = value; }
+export function getConfig<N extends keyof AddonConfig>(name: N): AddonConfig[N] { return config[name]; }
+export function setConfig<N extends keyof AddonConfig>(name: N, value: AddonConfig[N]) { config[name] = value; }

 export function CVMat() { return getAddon().Mat; }
-
+export function CVVideoCapture() { return getAddon().VideoCapture; }
 export function CVUtil() { return getAddon().util; }
--- a/src/cv/common.ts
+++ b/src/cv/common.ts
@ -1,11 +1,14 @@
-import { getAddon, getConfig } from "./addon";
+export { getConfig as C } from "./addon";
 import { Mat } from "./mat";
+import { VideoCapture } from "./videocapture";

 export type TypedArray = Uint8Array | Int8Array | Uint16Array | Int16Array | Uint32Array | Int32Array | BigUint64Array | BigInt64Array | Float32Array | Float64Array

-export function FromCV(mat: any): Mat { return new (Mat as any)(mat); }
+export function __Mat(mat: any): Mat { return new (Mat as any)(mat); }
+export function __VideoCapture(cap: any): VideoCapture { return new (VideoCapture as any)(cap); }
+
 export function M(mat: Mat) { return (mat as any).__mat__; }
-export function C(name: Parameters<typeof getConfig>[0]) { return getConfig(name); }
+export function VC(cap: VideoCapture) { return (cap as any).__cap__; }

 export function resolveArgs<R extends Array<any>>(args: any[], checker: boolean | (() => boolean)): R {
 	if (typeof checker === "function") checker = checker();
--- a/src/cv/consts.ts
+++ b/src/cv/consts.ts
@ -164,3 +164,114 @@ export const MARKER_DIAMOND = 3;
 export const MARKER_SQUARE = 4;
 export const MARKER_TRIANGLE_UP = 5;
 export const MARKER_TRIANGLE_DOWN = 6;
+
+
+export const CAP_ANY = 0;
+export const CAP_VFW = 200;
+export const CAP_V4L = 200;
+export const CAP_V4L2 = CAP_V4L;
+export const CAP_FIREWIRE = 300;
+export const CAP_FIREWARE = CAP_FIREWIRE;
+export const CAP_IEEE1394 = CAP_FIREWIRE;
+export const CAP_DC1394 = CAP_FIREWIRE;
+export const CAP_CMU1394 = CAP_FIREWIRE;
+export const CAP_QT = 500;
+export const CAP_UNICAP = 600;
+export const CAP_DSHOW = 700;
+export const CAP_PVAPI = 800;
+export const CAP_OPENNI = 900;
+export const CAP_OPENNI_ASUS = 910;
+export const CAP_ANDROID = 1000;
+export const CAP_XIAPI = 1100;
+export const CAP_AVFOUNDATION = 1200;
+export const CAP_GIGANETIX = 1300;
+export const CAP_MSMF = 1400;
+export const CAP_WINRT = 1410;
+export const CAP_INTELPERC = 1500;
+export const CAP_REALSENSE = 1500;
+export const CAP_OPENNI2 = 1600;
+export const CAP_OPENNI2_ASUS = 1610;
+export const CAP_OPENNI2_ASTRA = 1620;
+export const CAP_GPHOTO2 = 1700;
+export const CAP_GSTREAMER = 1800;
+export const CAP_FFMPEG = 1900;
+export const CAP_IMAGES = 2000;
+export const CAP_ARAVIS = 2100;
+export const CAP_OPENCV_MJPEG = 2200;
+export const CAP_INTEL_MFX = 2300;
+export const CAP_XINE = 2400;
+export const CAP_UEYE = 2500;
+export const CAP_OBSENSOR = 2600;
+
+export const CAP_PROP_POS_MSEC = 0;
+export const CAP_PROP_POS_FRAMES = 1;
+export const CAP_PROP_POS_AVI_RATIO = 2;
+export const CAP_PROP_FRAME_WIDTH = 3;
+export const CAP_PROP_FRAME_HEIGHT = 4;
+export const CAP_PROP_FPS = 5;
+export const CAP_PROP_FOURCC = 6;
+export const CAP_PROP_FRAME_COUNT = 7;
+export const CAP_PROP_FORMAT = 8;
+export const CAP_PROP_MODE = 9;
+export const CAP_PROP_BRIGHTNESS = 10;
+export const CAP_PROP_CONTRAST = 11;
+export const CAP_PROP_SATURATION = 12;
+export const CAP_PROP_HUE = 13;
+export const CAP_PROP_GAIN = 14;
+export const CAP_PROP_EXPOSURE = 15;
+export const CAP_PROP_CONVERT_RGB = 16;
+export const CAP_PROP_WHITE_BALANCE_BLUE_U = 17;
+export const CAP_PROP_RECTIFICATION = 18;
+export const CAP_PROP_MONOCHROME = 1;
+export const CAP_PROP_SHARPNESS = 2;
+export const CAP_PROP_AUTO_EXPOSURE = 21;
+export const CAP_PROP_GAMMA = 2;
+export const CAP_PROP_TEMPERATURE = 2;
+export const CAP_PROP_TRIGGER = 2;
+export const CAP_PROP_TRIGGER_DELAY = 2;
+export const CAP_PROP_WHITE_BALANCE_RED_V = 2;
+export const CAP_PROP_ZOOM = 2;
+export const CAP_PROP_FOCUS = 2;
+export const CAP_PROP_GUID = 2;
+export const CAP_PROP_ISO_SPEED = 3;
+export const CAP_PROP_BACKLIGHT = 3;
+export const CAP_PROP_PAN = 3;
+export const CAP_PROP_TILT = 3;
+export const CAP_PROP_ROLL = 3;
+export const CAP_PROP_IRIS = 3;
+export const CAP_PROP_SETTINGS = 37;
+export const CAP_PROP_BUFFERSIZE = 3;
+export const CAP_PROP_AUTOFOCUS = 3;
+export const CAP_PROP_SAR_NUM = 40;
+export const CAP_PROP_SAR_DEN = 41;
+export const CAP_PROP_BACKEND = 42;
+export const CAP_PROP_CHANNEL = 43;
+export const CAP_PROP_AUTO_WB = 44;
+export const CAP_PROP_WB_TEMPERATURE = 45;
+export const CAP_PROP_CODEC_PIXEL_FORMAT = 46;
+export const CAP_PROP_BITRATE = 47;
+export const CAP_PROP_ORIENTATION_META = 48;
+export const CAP_PROP_ORIENTATION_AUTO = 49;
+export const CAP_PROP_HW_ACCELERATION = 50;
+export const CAP_PROP_HW_DEVICE = 51;
+export const CAP_PROP_HW_ACCELERATION_USE_OPENCL = 52;
+export const CAP_PROP_OPEN_TIMEOUT_MSEC = 53;
+export const CAP_PROP_READ_TIMEOUT_MSEC = 54;
+export const CAP_PROP_STREAM_OPEN_TIME_USEC = 55;
+export const CAP_PROP_VIDEO_TOTAL_CHANNELS = 5;
+export const CAP_PROP_VIDEO_STREAM = 5;
+export const CAP_PROP_AUDIO_STREAM = 5;
+export const CAP_PROP_AUDIO_POS = 5;
+export const CAP_PROP_AUDIO_SHIFT_NSEC = 6;
+export const CAP_PROP_AUDIO_DATA_DEPTH = 6;
+export const CAP_PROP_AUDIO_SAMPLES_PER_SECOND = 6;
+export const CAP_PROP_AUDIO_BASE_INDEX = 6;
+export const CAP_PROP_AUDIO_TOTAL_CHANNELS = 6;
+export const CAP_PROP_AUDIO_TOTAL_STREAMS = 6;
+export const CAP_PROP_AUDIO_SYNCHRONIZE = 6;
+export const CAP_PROP_LRF_HAS_KEY_FRAME = 6;
+export const CAP_PROP_CODEC_EXTRADATA_INDEX = 6;
+export const CAP_PROP_FRAME_TYPE = 6;
+export const CAP_PROP_N_THREADS = 7;
+export const CAP_PROP_PTS = 7;
+export const CAP_PROP_DTS_DELAY = 7;
--- a/src/cv/download.ts
+++ b/src/cv/download.ts
@ -0,0 +1,84 @@
+import os from "os";
+import fs from "fs";
+import path from "path";
+import { C } from "./common";
+
+
+
+const URLS = {
+	GITHUB: `https://github.com/kangkang520/node-addons/releases/download/cv{{version}}/{{filename}}`,
+	URNAS: `http://git.urnas.cn:5200/yizhi-js-lib/opencv/releases/download/{{version}}/{{filename}}`,
+}
+
+function releaseVersion() { return require("../../package.json").releaseVersion }
+
+function getURL(template: string) {
+	const URL_CONFIG: Record<string, Record<string, string>> = {
+		"win32": {
+			"x64": "cv_windows_x64.node",
+		},
+		"linux": {
+			"x64": "cv_linux_x64.node",
+			"arm64": "cv_linux_arm64.node",
+		},
+		"darwin": {
+			"arm64": "cv_macos_arm64.node"
+		}
+	};
+
+	const archConfig = URL_CONFIG[os.platform()];
+	if (!archConfig) throw new Error(`Unsupported platform: ${os.platform()}`);
+	const downloadName = archConfig[os.arch()];
+	if (!downloadName) throw new Error(`Unsupported architecture: ${os.arch()}`);
+	return template.replaceAll("{{version}}", releaseVersion()).replaceAll("{{filename}}", downloadName);
+}
+
+async function getStream() {
+	for (const [name, url] of Object.entries(URLS)) {
+		try {
+			return await fetch(getURL(url)).then(res => {
+				if (res.status != 200) throw new Error("Failed to download addon.");
+				return res.blob().then(b => b.stream());
+			})
+		} catch (e) { }
+	}
+	throw new Error("Failed to download addon.");
+}
+
+export async function downloadAddon(savename?: string) {
+	const defaultAddon = path.resolve(process.cwd(), C("ADDON_PATH"));
+	const saveName = savename ? path.resolve(path.dirname(defaultAddon), savename) : defaultAddon;
+	if (fs.existsSync(saveName)) {
+		try {
+			const addon = require(saveName);
+			if (addon.__release__ === releaseVersion()) return saveName;
+			//清除缓存
+			delete require.cache[saveName];
+		} catch (err) { }
+	}
+
+	await fs.promises.mkdir(path.dirname(saveName), { recursive: true });
+
+	const stream = await getStream();
+	const cacheFile = await new Promise<string>((resolve, reject) => {
+		const cacheFile = path.join(os.tmpdir(), Date.now() + ".cv.node");
+		let fsStream!: ReturnType<typeof fs.createWriteStream>;
+		stream.pipeTo(new WritableStream({
+			start(controller) {
+				fsStream = fs.createWriteStream(cacheFile);
+			},
+			async write(chunk, controller) {
+				await new Promise<void>((resolve, reject) => fsStream.write(chunk, err => err ? reject(err) : resolve()));
+			},
+			close() {
+				fsStream.end();
+				resolve(cacheFile);
+			},
+			abort() { }
+		})).catch(reject);
+	});
+
+	await fs.promises.cp(cacheFile, saveName);
+	await fs.promises.rm(cacheFile);
+	return saveName;
+}
--- a/src/cv/index.ts
+++ b/src/cv/index.ts
@ -1,5 +1,7 @@
 export { setConfig as config } from "./addon";
+export { downloadAddon } from "./download";
 export * from "./mat";
+export * from "./videocapture";
 export * from "./consts";
 export * from "./proc";
 export * from "./draw";
--- a/src/cv/mat.ts
+++ b/src/cv/mat.ts
@ -1,5 +1,5 @@
 import { CVMat } from "./addon";
-import { FromCV, M, TypedArray } from "./common";
+import { __Mat, M, TypedArray } from "./common";
 import { IMREAD_COLOR_BGR } from "./consts";


@ -35,18 +35,23 @@ export class Mat {
 		else return this.#mat.GetTotalWithDim(startDim, endDim ?? 2147483647);
 	}
 	public get size(): number[] { return this.#mat.GetSize(); }
+	public get data(): Uint8Array {
+		if (this.isContinuous) return new Uint8Array(this.#mat.GetData());
+		else return this.copyTo(this.clone()).data;
+	}

-	public clone() { return FromCV(this.#mat.Clone()); }
+	public clone() { return __Mat(this.#mat.Clone()); }
+	public copyTo(mat: Mat) { return this.#mat.CopyTo(M(mat)), mat; }

-	public row(y: number) { return FromCV(this.#mat.Row(y)); }
-	public col(x: number) { return FromCV(this.#mat.Col(x)); }
-	public rowRange(start: number, end: number) { return FromCV(this.#mat.RowRange(start, end)); }
-	public colRange(start: number, end: number) { return FromCV(this.#mat.ColRange(start, end)); }
-	public diag(d: number) { return FromCV(this.#mat.Diag(d)); }
+	public row(y: number) { return __Mat(this.#mat.Row(y)); }
+	public col(x: number) { return __Mat(this.#mat.Col(x)); }
+	public rowRange(start: number, end: number) { return __Mat(this.#mat.RowRange(start, end)); }
+	public colRange(start: number, end: number) { return __Mat(this.#mat.ColRange(start, end)); }
+	public diag(d: number) { return __Mat(this.#mat.Diag(d)); }
 };

-export function imread(filename: string, flag?: number) { return FromCV(CVMat().ImRead(filename, flag ?? IMREAD_COLOR_BGR)); }
-export function imdecode(data: Uint8Array, flag?: number) { return FromCV(CVMat().ImDecode(data, flag ?? IMREAD_COLOR_BGR)); }
+export function imread(filename: string, flag?: number) { return __Mat(CVMat().ImRead(filename, flag ?? IMREAD_COLOR_BGR)); }
+export function imdecode(data: Uint8Array, flag?: number) { return __Mat(CVMat().ImDecode(data, flag ?? IMREAD_COLOR_BGR)); }
 export function imwrite(filename: string, mat: Mat, params?: number[]): boolean { return CVMat().ImWrite(M(mat), filename, params); }
 export function imencode(ext: string, mat: Mat, params?: number[]): Uint8Array | null {
 	const res = CVMat().ImEncode(M(mat), ext, params);
--- a/src/cv/proc.ts
+++ b/src/cv/proc.ts
@ -1,5 +1,5 @@
 import { Mat } from "./mat";
-import { FromCV, M, resolveArgs } from "./common";
+import { __Mat, M, resolveArgs } from "./common";
 import { BORDER_CONSTANT, BORDER_DEFAULT, INTER_LINEAR } from "./consts";
 import { CVMat } from "./addon";

@ -9,14 +9,14 @@ export function crop(src: Mat, dst: Mat, range: CropRange): Mat;
 export function crop(...args: any[]) {
 	let [src, dst, range] = resolveArgs<[src: Mat, dst: Mat, range: CropRange]>(args, args[1] instanceof Mat);
 	if (!(range instanceof Array)) range = [{ start: range.y, end: range.y + range.height }, { start: range.x, end: range.x + range.width }];
-	return FromCV(CVMat().Crop(M(src), M(dst), range));
+	return __Mat(CVMat().Crop(M(src), M(dst), range));
 }

 export function resize(src: Mat, width: number, height: number, fx?: number, fy?: number, interpolation?: number): Mat;
 export function resize(src: Mat, dst: Mat, width: number, height: number, fx?: number, fy?: number, interpolation?: number): Mat;
 export function resize(...args: any[]) {
 	const [src, dst, width, height, fx, fy, interpolation] = resolveArgs<[src: Mat, dst: Mat, width: number, height: number, fx?: number, fy?: number, interpolation?: number]>(args, args[1] instanceof Mat);
-	return FromCV(CVMat().Resize(M(src), M(dst), width, height, fx ?? 0, fy ?? 0, interpolation ?? INTER_LINEAR));
+	return __Mat(CVMat().Resize(M(src), M(dst), width, height, fx ?? 0, fy ?? 0, interpolation ?? INTER_LINEAR));
 }

 export function blur(src: Mat, kernelWidth: number, kernelHeight: number, anchorX?: number, anchorY?: number, borderType?: number): Mat
@ -24,14 +24,14 @@ export function blur(src: Mat, dst: Mat, kernelWidth: number, kernelHeight: numb
 export function blur(...args: any[]) {
 	let [src, dst, kernelWidth, kernelHeight, anchorX = -1, anchorY = -1, borderType = BORDER_DEFAULT] = resolveArgs<[src: Mat, dst: Mat, kernelWidth: number, kernelHeight: number, anchorX?: number, anchorY?: number, borderType?: number]>(args, args[1] instanceof Mat);
 	if (anchorX == -1 || anchorY == -1) anchorX = anchorY = -1;
-	return FromCV(CVMat().Blur(M(src), M(dst), kernelWidth, kernelHeight, anchorX, anchorY, borderType));
+	return __Mat(CVMat().Blur(M(src), M(dst), kernelWidth, kernelHeight, anchorX, anchorY, borderType));
 }

 export function copyMakeBorder(src: Mat, top: number, bottom: number, left: number, right: number, borderType: number): Mat
 export function copyMakeBorder(src: Mat, dst: Mat, top: number, bottom: number, left: number, right: number, borderType: number): Mat
 export function copyMakeBorder(...args: any[]) {
 	const [src, dst, top, bottom, left, right, borderType] = resolveArgs<[src: Mat, dst: Mat, top: number, bottom: number, left: number, right: number, borderType: number]>(args, args[1] instanceof Mat);
-	return FromCV(CVMat().CopyMakeBorder(M(src), M(dst), top, bottom, left, right, borderType));
+	return __Mat(CVMat().CopyMakeBorder(M(src), M(dst), top, bottom, left, right, borderType));
 }

 type FlipCode = 0 | 1 | -1 | "x" | "y" | "both";
@ -40,14 +40,14 @@ export function flip(src: Mat, dst: Mat, flipCode: FlipCode): Mat
 export function flip(...args: any[]) {
 	let [src, dst, flipCode] = resolveArgs<[src: Mat, dst: Mat, flipCode: FlipCode]>(args, args[1] instanceof Mat);
 	if (typeof flipCode == "string") flipCode = ({ x: 0, y: 1, both: -1 } as Record<"x" | "y" | "both", 0 | 1 | -1>)[flipCode];
-	return FromCV(CVMat().Flip(M(src), M(dst), flipCode));
+	return __Mat(CVMat().Flip(M(src), M(dst), flipCode));
 }

 export function warpAffine(src: Mat, transfromMat: Mat, dwidth: number, dheight: number, flags?: number, borderMode?: number): Mat;
 export function warpAffine(src: Mat, dst: Mat, transfromMat: Mat, dwidth: number, dheight: number, flags?: number, borderMode?: number): Mat;
 export function warpAffine(...args: any[]) {
 	const [src, dst, transfromMat, dwidth, dheight, flags, borderMode] = resolveArgs<[src: Mat, dst: Mat, transfromMat: Mat, dwidth: number, dheight: number, flags?: number, borderMode?: number]>(args, () => args[2] instanceof Mat);
-	return FromCV(CVMat().WarpAffine(M(src), M(dst), M(transfromMat), dwidth, dheight, flags ?? INTER_LINEAR, borderMode ?? BORDER_CONSTANT));
+	return __Mat(CVMat().WarpAffine(M(src), M(dst), M(transfromMat), dwidth, dheight, flags ?? INTER_LINEAR, borderMode ?? BORDER_CONSTANT));
 }

-export function getRotationMatrix2D(centerX: number, centerY: number, angle: number, scale: number) { return FromCV(CVMat().GetRotationMatrix2D(centerX, centerY, angle, scale)); }
+export function getRotationMatrix2D(centerX: number, centerY: number, angle: number, scale: number) { return __Mat(CVMat().GetRotationMatrix2D(centerX, centerY, angle, scale)); }
--- a/src/cv/videocapture.ts
+++ b/src/cv/videocapture.ts
@ -0,0 +1,33 @@
+import { CVVideoCapture } from "./addon";
+import { __Mat } from "./common";
+import { CAP_ANY } from "./consts";
+
+export class VideoCapture {
+	#cap: any
+
+	constructor(source: string | number, apiPreference?: number, params?: number[]) {
+		const CVCap = CVVideoCapture();
+		if ((source as any) instanceof CVCap) this.#cap = source;
+		else this.#cap = new CVCap(source, apiPreference ?? CAP_ANY, params ?? []);
+	}
+
+	private get __cap__() { return this.#cap; }
+
+	public open(source: string | number, apiPreference?: number, params?: number[]): boolean { return this.#cap.Open(source, apiPreference ?? CAP_ANY, params ?? []); }
+	public get isOpened(): boolean { return this.#cap.IsOpened(); }
+
+	public grab(): boolean { return this.#cap.Grab(); }
+
+	public retrieve(flag?: number) { return __Mat(this.#cap.Retrieve(flag ?? 0)); }
+	public read() { return __Mat(this.#cap.Read()); }
+
+	public get backendName(): string { return this.#cap.GetBackendName(); }
+
+	public prop(propId: number, value: number): void
+	public prop(propId: number): number
+	public prop(propId: number, value?: number) {
+		if (typeof value === "undefined") return this.#cap.Get(propId);
+		else this.#cap.Set(propId, value);
+	}
+
+}
--- a/src/test.ts
+++ b/src/test.ts
@ -1,12 +1,14 @@
 import cv from ".";


-async function test() {
+async function testImage() {
+	await cv.downloadAddon();
 	const fs = await import("fs");
 	// const buffer = fs.readFileSync("data/im1.jpeg")
 	const res = await cv.imread("test_data/im1.jpeg");
 	// const res = await cv.imdecode(buffer);
 	const cropIm = cv.crop(res, { x: 10, y: 10, width: 300, height: 200 });
+	console.log(cropIm.data)

 	console.log(cv.imwrite("test_data/cropIm.jpg", cropIm));
 	fs.writeFileSync("test_data/base.jpg", cv.imencode(".jpg", res)!);
@ -30,5 +32,15 @@ async function test() {
 	cv.imwrite("test_data/draw.jpg", res);
 }

+async function testMovie() {
+	await cv.downloadAddon();
+	const cap = new cv.VideoCapture("test_data/movie.mp4");
+	if (cap.grab()) {
+		const im = cap.retrieve();
+		debugger;
+	}
+	const im = cap.read();
+	debugger
+}

-test();
+testMovie();
--- a/thirdpart/cmake-js-util.js
+++ b/thirdpart/cmake-js-util.js
@ -15,4 +15,5 @@ function runCmakeJS(args) {
 if (args.includes("--include")) runCmakeJS(["print-cmakejs-include"]);
 else if (args.includes("--src")) runCmakeJS(["print-cmakejs-src"]);
 else if (args.includes("--lib")) runCmakeJS(["print-cmakejs-lib"]);
-else if (args.includes("--napi")) console.log(require("node-addon-api").include.replace(/^"/, "").replace(/"$/, ""));
+else if (args.includes("--napi")) console.log(require("node-addon-api").include.replace(/^"/, "").replace(/"$/, ""));
+else if (args.includes("--release")) console.log(require("../package.json").releaseVersion);
--- a/thirdpart/install.js
+++ b/thirdpart/install.js
@ -105,9 +105,6 @@ async function downloadFromURL(name, url, resolver) {

 	if (!checkFile(saveName)) {
 		console.log(`开始下载${name}, 地址:${url}`);
-		await fetch(url).then(res => {
-			console.log(res.status)
-		})
 		const result = spawnSync("curl", ["-o", saveName + ".cache", "-L", url, "-s", "-w", "%{http_code}"], { ...spawnOption, stdio: "pipe" });
 		assert(result.status == 0 && result.stdout.toString() == "200", `下载${name}失败`);
 		fs.renameSync(saveName + ".cache", saveName);
@ -143,7 +140,6 @@ async function downloadFromURL(name, url, resolver) {
 	fs.rmSync(outputDir, { recursive: true, force: true });
 }

-
 async function main() {
 	//OpenCV
 	if (buildOptions.withOpenCV) cmakeBuildFromSource("OpenCV", "https://github.com/opencv/opencv.git", "4.11.0", null, [
@ -158,7 +154,12 @@ async function main() {
 		"-DBUILD_FAT_JAVA_LIB=OFF",
 		"-DBUILD_ANDROID_SERVICE=OFF",
 		"-DBUILD_JAVA=OFF",
-		"-DBUILD_PERF_TESTS=OFF"
+		"-DBUILD_PERF_TESTS=OFF",
+		"-DBUILD_TIFF=ON",
+		"-DBUILD_OPENJPEG=ON",
+		"-DBUILD_JPEG=ON",
+		"-DBUILD_PNG=ON",
+		"-DBUILD_WEBP=ON",
 	], (root) => [
 		`set(OpenCV_STATIC ON)`,
 		os.platform() == "win32" ?
Author	SHA1	Message	Date
yizhi	f343d28540	完善预编译库下载工具	2025-03-21 12:34:44 +08:00
yizhi	049a70afc2	额，忘了处理缓存了	2025-03-17 16:15:10 +08:00
yizhi	f7d8926443	下载时增加版本判断	2025-03-17 16:12:49 +08:00
yizhi	b86366e244	清除多余日志	2025-03-17 15:58:11 +08:00
yizhi	0518c9a02f	修复CVVideoCapture::Set方法	2025-03-17 15:56:50 +08:00
yizhi	2a980fbdf8	增加VideoCapture	2025-03-17 15:55:43 +08:00
yizhi	f58f29404e	变更版本号	2025-03-17 11:53:59 +08:00
yizhi	27a24d0073	增加Mat数据获取	2025-03-17 11:51:48 +08:00
yizhi	84f388f294	增加自动下载	2025-03-17 11:51:23 +08:00