Added imencode

bea/cv.bea

@@ -334,4 +334,5 @@
 		@manual void polylines(Mat& img, const Point** pts, const int* npts, int ncontours, bool isClosed, const Scalar& color, int thickness=1, int lineType=8, int shift=0)
 		@manual double kmeans(const Mat& samples, int clusterCount, Mat& labels, TermCriteria termcrit, int attempts, int flags, Mat* centers)
 		@manual void calcBackProject(const Mat* arrays, int narrays, const int* channels, const SparseMat& hist, Mat& backProject, const float** ranges, double scale=1, bool uniform=true)
-		@manual std::vector<cv::Rect> detectObject(const std::string& cascadeName, int imageWidth, int imageHeight)
+		@manual std::vector<cv::Rect> detectObject(const std::string& cascadeName, int imageWidth, int imageHeight)
+		@manual node::Buffer imencode(const std::string& ext, const Mat& img, const std::vector<int>& params=std::vector<int>())

bea/opencv.bea

@@ -10,6 +10,8 @@
 	\#include <highgui.h>
 	\#include "bea.h"
 	\#include "customTypes.h"	
+	\#include <node.h>	
+	\#include <node_buffer.h>
 
 #C++ code added to the cpp file	
 @cpp

src/opencv_manual.cpp

@@ -164,4 +164,25 @@ namespace opencvjs {
 		METHOD_END();
 	}
 
+	v8::Handle<v8::Value> JOpenCV::imencode(const v8::Arguments& args) {
+		METHOD_BEGIN(2);
+		//node::Buffer imencode(const std::string& ext, const Mat& img, const std::vector<int>& params=std::vector<int>())
+		std::string ext = bea::Convert<std::string>::FromJS(args[0], 0);
+		cv::Mat* img = bea::Convert<cv::Mat*>::FromJS(args[1], 1);
+		std::vector<int> params = bea::Optional<std::vector<int> >::FromJS(args, 2, std::vector<int>());
+		std::vector<uchar> vecVal;
+		cv::imencode(ext, *img, vecVal, params);
+		node::Buffer *buf = node::Buffer::New(vecVal.size());
+		uchar* data = (uchar*) node::Buffer::Data(buf);
+		memcpy(data, &vecVal[0], vecVal.size());
+
+		v8::Local<v8::Object> globalObj = v8::Context::GetCurrent()->Global();
+		v8::Local<v8::Function> bufferConstructor = v8::Local<v8::Function>::Cast(globalObj->Get(v8::String::New("Buffer")));
+		v8::Handle<v8::Value> constructorArgs[3] = {buf->handle_, v8::Integer::New(vecVal.size()), v8::Integer::New(0)};
+		v8::Local<v8::Object> actualBuffer = bufferConstructor->NewInstance(3, constructorArgs);
+
+		return actualBuffer;
+		METHOD_END();
+	}
+
 }

src/opencvjs.cpp

@@ -2891,6 +2891,7 @@ namespace opencvjs {
 		obj->exposeMethod("calcBackProject", calcBackProject);
 		obj->exposeMethod("minMaxLoc", minMaxLoc);
 		obj->exposeMethod("cvSmooth", cvSmooth);
+		obj->exposeMethod("imencode", imencode);
 		obj->exposeMethod("doTick", doTick);
 		obj->exposeMethod("discardMats", discardMats);
 		obj->exposeMethod("fillPoly", fillPoly);

src/opencvjs.h

@@ -6,6 +6,8 @@
 #include <highgui.h>
 #include "bea.h"
 #include "customTypes.h"
+#include <node.h>
+#include <node_buffer.h>
 namespace bea {
 	template<> struct Convert<cv::TermCriteria> {
 		static bool Is(v8::Handle<v8::Value> v) {
@@ -574,6 +576,7 @@ namespace opencvjs {
 			static v8::Handle<v8::Value> calcBackProject(const v8::Arguments& args);
 			static v8::Handle<v8::Value> minMaxLoc(const v8::Arguments& args);
 			static v8::Handle<v8::Value> cvSmooth(const v8::Arguments& args);
+			static v8::Handle<v8::Value> imencode(const v8::Arguments& args);
 			static v8::Handle<v8::Value> doTick(const v8::Arguments& args);
 			static v8::Handle<v8::Value> discardMats(const v8::Arguments& args);
 			static v8::Handle<v8::Value> fillPoly(const v8::Arguments& args);