From 45846cd3b2c62924fa73f8cd809a1f0247671c0c Mon Sep 17 00:00:00 2001
From: Peter Braden <peterbraden@peterbraden.co.uk>
Date: Wed, 19 Jun 2013 11:21:59 -0700
Subject: [PATCH] Open Source Bridge Live coding - woohoo

---
 smoke/smoketest.js |  2 +-
 src/Matrix.cc      | 25 ++++++++++++++++++++++++-
 2 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/smoke/smoketest.js b/smoke/smoketest.js
index cd37a7f..258eb1e 100755
--- a/smoke/smoketest.js
+++ b/smoke/smoketest.js
@@ -21,7 +21,7 @@ cv.readImage("/Users/peterbraden/Downloads/orl_faces/s6/10.pgm", function(e, im)
 
 */
 cv.readImage("/Users/peterbraden/Desktop/repos/node-opencv/examples/mona.png", function(e, mat){
-  var th = mat.threshold(20, 200);
+  var th = mat.threshold(200, 200, "Threshold to Zero Inverted");
   th.save('out.png')
 
 })
diff --git a/src/Matrix.cc b/src/Matrix.cc
index 6ef03e4..5a9bc52 100755
--- a/src/Matrix.cc
+++ b/src/Matrix.cc
@@ -1009,11 +1009,34 @@ Matrix::Threshold(const v8::Arguments& args) {
 	double threshold = args[0]->NumberValue();
 	double maxVal = args[1]->NumberValue();
 
+  int typ = cv::THRESH_BINARY;
+	if (args.Length() == 3){
+//    typ = args[2]->IntegerValue();
+    String::AsciiValue typstr(args[2]);
+    if (strcmp(*typstr, "Binary") == 0){
+      typ=0;
+    }
+    if (strcmp(*typstr, "Binary Inverted") == 0){
+      typ=1;
+    }
+    if (strcmp(*typstr, "Threshold Truncated") == 0){
+      typ=2;
+    }
+    if (strcmp(*typstr, "Threshold to Zero") == 0){
+      typ=3;
+    }
+    if (strcmp(*typstr, "Threshold to Zero Inverted") == 0){
+      typ=4;
+    }
+  }
+
+
+
 	Local<Object> img_to_return = Matrix::constructor->GetFunction()->NewInstance();
 	Matrix *img = ObjectWrap::Unwrap<Matrix>(img_to_return);
 	self->mat.copyTo(img->mat);
 
-  cv::threshold(self->mat, img->mat, threshold, maxVal, cv::THRESH_BINARY);
+  cv::threshold(self->mat, img->mat, threshold, maxVal, typ);
 
 	return scope.Close(img_to_return);
 }