From e3280ddc1eb9ca29329505a6e7b095fb4302be7f Mon Sep 17 00:00:00 2001
From: Jean-Tiare LE BIGOT <admin@jtlebi.fr>
Date: Sun, 20 Jan 2013 14:16:16 +0100
Subject: [PATCH] add bindings for approxPolyDP in contours

---
 src/Contours.cc | 18 ++++++++++++++++++
 src/Contours.h  |  1 +
 2 files changed, 19 insertions(+)

diff --git a/src/Contours.cc b/src/Contours.cc
index 018a1e0..f687625 100755
--- a/src/Contours.cc
+++ b/src/Contours.cc
@@ -26,6 +26,7 @@ Contour::Init(Handle<Object> target) {
 	NODE_SET_PROTOTYPE_METHOD(constructor, "size", Size);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "area", Area);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "arcLength", ArcLength);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "approxPolyDP", ApproxPolyDP);
 	target->Set(String::NewSymbol("Contours"), m->GetFunction());
 };
 
@@ -81,3 +82,20 @@ Contour::ArcLength(const Arguments &args) {
 
 	return scope.Close(Number::New(arcLength(cv::Mat(self->contours[pos]), isClosed)));
 }
+
+
+Handle<Value>
+Contour::ApproxPolyDP(const Arguments &args) {
+	HandleScope scope;
+
+	Contour *self = ObjectWrap::Unwrap<Contour>(args.This());
+	int pos = args[0]->NumberValue();
+	bool epsilon = args[1]->NumberValue();
+	bool isClosed = args[2]->BooleanValue();
+
+	cv::Mat approxed;
+	approxPolyDP(cv::Mat(self->contours[pos]), approxed, epsilon, isClosed);
+	approxed.copyTo(self->contours[pos]);
+
+	return scope.Close(v8::Null());
+}
diff --git a/src/Contours.h b/src/Contours.h
index 9cb3f4c..e832d03 100755
--- a/src/Contours.h
+++ b/src/Contours.h
@@ -17,5 +17,6 @@ class Contour: public node::ObjectWrap {
 	static Handle<Value> Size(const v8::Arguments&);
 	static Handle<Value> Area(const v8::Arguments&);
 	static Handle<Value> ArcLength(const v8::Arguments&);
+	static Handle<Value> ApproxPolyDP(const v8::Arguments&);
 };