From f5df8f6599c4dbc80f222f790beb48ed18ec395e Mon Sep 17 00:00:00 2001
From: Alessio Caiazza <ac@magentalab.it>
Date: Thu, 9 May 2013 18:03:38 +0200
Subject: [PATCH] meanStdDev for Matrix

---
 src/Matrix.cc | 21 +++++++++++++++++++++
 src/Matrix.h  |  2 ++
 2 files changed, 23 insertions(+)

diff --git a/src/Matrix.cc b/src/Matrix.cc
index 1f13c9d..f8999b3 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -75,6 +75,8 @@ Matrix::Init(Handle<Object> target) {
 	NODE_SET_PROTOTYPE_METHOD(constructor, "adjustROI", AdjustROI);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "locateROI", LocateROI);
 
+	NODE_SET_PROTOTYPE_METHOD(constructor, "meanStdDev", MeanStdDev);
+
 	NODE_SET_METHOD(constructor, "Eye", Eye);
 
 
@@ -1074,3 +1076,22 @@ Matrix::LocateROI(const v8::Arguments& args) {
 
 	return scope.Close(arr);
 }
+
+Handle<Value>
+Matrix::MeanStdDev(const v8::Arguments& args) {
+	HandleScope scope;
+
+	Matrix *self = ObjectWrap::Unwrap<Matrix>(args.This());
+
+	Local<Object> mean = Matrix::constructor->GetFunction()->NewInstance();
+	Matrix *m_mean = ObjectWrap::Unwrap<Matrix>(mean);
+	Local<Object> stddev = Matrix::constructor->GetFunction()->NewInstance();
+	Matrix *m_stddev = ObjectWrap::Unwrap<Matrix>(stddev);
+
+	cv::meanStdDev(self->mat, m_mean->mat, m_stddev->mat);
+
+	Local<Object> data = Object::New();
+	data->Set(String::NewSymbol("mean"), mean);
+	data->Set(String::NewSymbol("stddev"), stddev);
+	return scope.Close(data);
+}
diff --git a/src/Matrix.h b/src/Matrix.h
index fde09c3..037952a 100755
--- a/src/Matrix.h
+++ b/src/Matrix.h
@@ -71,6 +71,8 @@ class Matrix: public node::ObjectWrap {
 
     JSFUNC(LocateROI)
     JSFUNC(AdjustROI)
+
+    JSFUNC(MeanStdDev)
 /*
 	static Handle<Value> Val(const Arguments& args);
 	static Handle<Value> RowRange(const Arguments& args);