From: Alexander Mordvintsev <no@email>
Date: Mon, 4 Jul 2011 14:13:57 +0000 (+0000)
Subject: use addWeighted for blending
X-Git-Tag: accepted/2.0/20130307.220821~2544
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=55ba0af2bcb33bcc26194997894b57b6da9bca83;p=profile%2Fivi%2Fopencv.git

use addWeighted for blending
---

diff --git a/samples/python2/watershed.py b/samples/python2/watershed.py
index f35248a..5d45417 100644
--- a/samples/python2/watershed.py
+++ b/samples/python2/watershed.py
@@ -31,7 +31,8 @@ class App:
     def watershed(self):
         m = self.markers.copy()
         cv2.watershed(self.img, m)
-        vis = np.uint8( (self.img + self.colors[np.maximum(m, 0)]) / 2 )
+        overlay = self.colors[np.maximum(m, 0)]
+        vis = cv2.addWeighted(self.img, 0.5, overlay, 0.5, 0.0, dtype=cv2.CV_8UC3)
         cv2.imshow('watershed', vis)
 
     def run(self):