Added cv.DestroyAllWindows() to file close

samples/python/camera.py

@@ -10,3 +10,4 @@ while True:
     cv.ShowImage("camera", img)
     if cv.WaitKey(10) == 27:
         break
+cv.DestroyAllWindows()

samples/python/camshift.py

@@ -113,3 +113,4 @@ class CamShiftDemo:
 if __name__=="__main__":
     demo = CamShiftDemo()
     demo.run()
+    cv.DestroyAllWindows()

samples/python/chessboard.py

@@ -31,3 +31,4 @@ if __name__ == "__main__":
     
     cv.ShowImage("win", im3);
     cv.WaitKey()
+    cv.DestroyAllWindows()

samples/python/contours.py

@@ -133,3 +133,4 @@ if __name__ == '__main__':
 
     # wait a key pressed to end
     cv.WaitKey (0)
+    cv.DestroyAllWindows()

samples/python/convexhull.py

@@ -62,3 +62,4 @@ if __name__ == '__main__':
         if k == 27:
             # user has press the ESC key, so exit
             break
+    cv.DestroyAllWindows()

samples/python/cv20squares.py

@@ -164,3 +164,4 @@ def main():
 
 if __name__ == "__main__":
     main()    
+    cv.DestroyAllWindows()

samples/python/demhist.py

@@ -77,3 +77,4 @@ if __name__ == "__main__":
     dh = DemHist(src_image)
 
     cv.WaitKey(0)
+    cv.DestroyAllWindows()

samples/python/dft.py

@@ -111,3 +111,4 @@ if __name__ == "__main__":
     cv.ShowImage("magnitude", image_Re)
 
     cv.WaitKey(0)
+    cv.DestroyAllWindows()

samples/python/distrans.py

@@ -69,3 +69,4 @@ if __name__ == "__main__":
 
     # Wait for a key stroke; the same function arranges events processing
     cv.WaitKey(0)
+    cv.DestroyAllWindows()

samples/python/dmtx.py

@@ -5,6 +5,10 @@ import numpy
 import sys
 import math
 
+'''
+Find 2 D barcode based on up to 3 channel datamatrix
+'''
+
 def absnorm8(im, im8):
     """ im may be any single-channel image type.  Return an 8-bit version, absolute value, normalized so that max is 255 """
     (minVal, maxVal, _, _) = cv.MinMaxLoc(im)
@@ -166,6 +170,7 @@ for (sym, coords) in df.find(bg).items():
 
 cv.ShowImage("results", scribble)
 cv.WaitKey()
+cv.DestroyAllWindows()
 
 sys.exit(0)
 

samples/python/drawing.py

@@ -159,3 +159,4 @@ if __name__ == '__main__':
 
     # wait some key to end
     cv.WaitKey(0)
+    cv.DestroyAllWindows()