Merge branch 4.x

modules/objdetect/misc/python/test/test_barcode_detector.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python
+'''
+===============================================================================
+Barcode detect and decode pipeline.
+===============================================================================
+'''
+import os
+import numpy as np
+import cv2 as cv
+
+from tests_common import NewOpenCVTests
+
+class barcode_detector_test(NewOpenCVTests):
+
+    def test_detect(self):
+        img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/barcode/multiple/4_barcodes.jpg'))
+        self.assertFalse(img is None)
+        detector = cv.barcode_BarcodeDetector()
+        retval, corners = detector.detect(img)
+        self.assertTrue(retval)
+        self.assertEqual(corners.shape, (4, 4, 2))
+
+    def test_detect_and_decode(self):
+        img = cv.imread(os.path.join(self.extraTestDataPath, 'cv/barcode/single/book.jpg'))
+        self.assertFalse(img is None)
+        detector = cv.barcode_BarcodeDetector()
+        retval, decoded_info, decoded_type, corners = detector.detectAndDecodeWithType(img)
+        self.assertTrue(retval)
+        self.assertTrue(len(decoded_info) > 0)
+        self.assertTrue(len(decoded_type) > 0)
+        self.assertEqual(decoded_info[0], "9787115279460")
+        self.assertEqual(decoded_type[0], "EAN_13")
+        self.assertEqual(corners.shape, (1, 4, 2))