From b8419a842ab73070384ec1b8dde7c18ef6dd3a7b Mon Sep 17 00:00:00 2001
From: Craig Valente <cvalente@imagequix.com>
Date: Mon, 12 Dec 2016 20:23:38 -0500
Subject: [PATCH] Add support for the 'Oriented' area flag in contourArea

---
 src/Contours.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/Contours.cc b/src/Contours.cc
index 49f2bd9..5ef5bf8 100755
--- a/src/Contours.cc
+++ b/src/Contours.cc
@@ -115,9 +115,10 @@ NAN_METHOD(Contour::Area) {
 
   Contour *self = Nan::ObjectWrap::Unwrap<Contour>(info.This());
   int pos = info[0]->NumberValue();
+  bool orientation = (info.Length() > 1 && info[1]->BooleanValue());
 
   // info.GetReturnValue().Set(Nan::New<Number>(contourArea(self->contours)));
-  info.GetReturnValue().Set(Nan::New<Number>(contourArea(cv::Mat(self->contours[pos]))));
+  info.GetReturnValue().Set(Nan::New<Number>(contourArea(cv::Mat(self->contours[pos]), orientation)));
 }
 
 NAN_METHOD(Contour::ArcLength) {