add bindings for isConvex in contours

peterbraden · Jan 20, 2013 · d2e8b19 · d2e8b19
1 parent e3280dd
commit d2e8b19
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 0 deletions.
diff --git a/src/Contours.cc b/src/Contours.cc
@@ -27,6 +27,7 @@ Contour::Init(Handle<Object> target) {
 	NODE_SET_PROTOTYPE_METHOD(constructor, "area", Area);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "arcLength", ArcLength);
 	NODE_SET_PROTOTYPE_METHOD(constructor, "approxPolyDP", ApproxPolyDP);
+	NODE_SET_PROTOTYPE_METHOD(constructor, "isConvex", IsConvex);
 	target->Set(String::NewSymbol("Contours"), m->GetFunction());
 };
 
@@ -99,3 +100,14 @@ Contour::ApproxPolyDP(const Arguments &args) {
 
 	return scope.Close(v8::Null());
 }
+
+
+Handle<Value>
+Contour::IsConvex(const Arguments &args) {
+	HandleScope scope;
+
+	Contour *self = ObjectWrap::Unwrap<Contour>(args.This());
+	int pos = args[0]->NumberValue();
+
+	return scope.Close(Boolean::New(isContourConvex(cv::Mat(self->contours[pos]))));
+}
diff --git a/src/Contours.h b/src/Contours.h
@@ -18,5 +18,6 @@ class Contour: public node::ObjectWrap {
 	static Handle<Value> Area(const v8::Arguments&);
 	static Handle<Value> ArcLength(const v8::Arguments&);
 	static Handle<Value> ApproxPolyDP(const v8::Arguments&);
+	static Handle<Value> IsConvex(const v8::Arguments&);
 };