#!/usr/bin/env python ''' Test for copyto with mask ''' # Python 2/3 compatibility from __future__ import print_function import cv2 as cv import numpy as np import sys from tests_common import NewOpenCVTests class copytomask_test(NewOpenCVTests): def test_copytomask(self): img = self.get_sample('python/images/baboon.png', cv.IMREAD_COLOR) eps = 0. #Create mask using inRange valeurBGRinf = np.array([0,0,100]) valeurBGRSup = np.array([70, 70,255]) maskRed = cv.inRange(img, valeurBGRinf, valeurBGRSup) #New binding dstcv = cv.copyTo(img,maskRed) #using numpy mask2=maskRed.astype(bool) _, mask_b = np.broadcast_arrays(img, mask2[..., None]) dstnp = np.ma.masked_array(img, np.logical_not(mask_b)) dstnp =np.ma.filled(dstnp,[0]) self.assertEqual(cv.norm(dstnp ,dstcv), eps) if __name__ == '__main__': NewOpenCVTests.bootstrap()