From 7c6187b3a8fed35581aa04f08ed4a8cbf5aab27e Mon Sep 17 00:00:00 2001
From: John Ludwig <john@theludwigs.com>
Date: Thu, 17 Apr 2014 16:09:58 -0700
Subject: [PATCH] thickness in contour drawing

Add optional line thickness arg in drawContours and drawAllContours
---
 src/Matrix.cc | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/Matrix.cc b/src/Matrix.cc
index 61c2659..6d9b012 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -1026,7 +1026,9 @@ Matrix::DrawContour(const v8::Arguments& args) {
 		color = setColor(objColor);
 	}
 
-	cv::drawContours(self->mat, cont->contours, pos, color, 1);
+    int thickness = args.Length() < 4 ? 1 : args[3]->NumberValue();
+
+    cv::drawContours(self->mat, cont->contours, pos, color, thickness);
 
 	return Undefined();
 }
@@ -1046,7 +1048,10 @@ Matrix::DrawAllContours(const v8::Arguments& args) {
 		color = setColor(objColor);
 	}
 
-	cv::drawContours(self->mat, cont->contours, -1, color, 1);
+    int thickness = args.Length() < 3 ? 1 : args[2]->NumberValue();
+
+    cv::drawContours(self->mat, cont->contours, -1, color, thickness);
+
 
 	return Undefined();
 }