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#!/usr/bin/env python
#------------------------------------------------------------------------
# Copyright 2019 (c) Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
#
# This file is part of the ZBar Bar Code Reader.
#
# The ZBar Bar Code Reader is free software; you can redistribute it
# and/or modify it under the terms of the GNU Lesser Public License as
# published by the Free Software Foundation; either version 2.1 of
# the License, or (at your option) any later version.
#
# The ZBar Bar Code Reader is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser Public License for more details.
#
#------------------------------------------------------------------------
from __future__ import print_function
import zbar, sys
try:
from PIL import Image
except:
try:
import Image
except:
print("No image library on python. Aborting test")
sys.exit()
if len(sys.argv) < 1 or len(sys.argv) > 3:
print("Usage: %s <file name> [<expected text to check>]")
sys.exit(-1)
filename = sys.argv[1]
org_image = Image.open(filename)
image = org_image.convert(mode='L')
width = image.size[0]
height = image.size[1]
raw_data = image.tobytes()
scanner = zbar.ImageScanner()
image = zbar.Image(width=width, height=height, format='Y800', data=raw_data)
scanner.scan(image)
if len(sys.argv) == 3:
text = sys.argv[2]
found = False
for symbol in image:
found = True
if symbol.data == text:
print("OK")
else:
print("Expecting %s, received %s" % (text, symbol.data))
if not found:
print("Can't process file")
else:
for symbol in image:
print("Decoded as %s" % symbol.data)
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