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Merge pull request #16 from ZoroWang/master
Update samples and add a new demo
2 parents 8c1f0fd + c3ff368 commit 81bced3

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‎Demos/BarcodeReaderDemo.py‎

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# -*-coding:utf-8-*-
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import os
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import sys
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import json
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import time
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import glob
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from dbr import *
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reader = BarcodeReader()
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Barcode_Format_Dict = {
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'1': (EnumBarcodeFormat.BF_ALL, EnumBarcodeFormat_2.BF2_POSTALCODE | EnumBarcodeFormat_2.BF2_DOTCODE),
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'2': (EnumBarcodeFormat.BF_ONED, EnumBarcodeFormat_2.BF2_NULL),
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'3': (EnumBarcodeFormat.BF_QR_CODE, EnumBarcodeFormat_2.BF2_NULL),
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'4': (EnumBarcodeFormat.BF_CODE_39, EnumBarcodeFormat_2.BF2_NULL),
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'5': (EnumBarcodeFormat.BF_CODE_128, EnumBarcodeFormat_2.BF2_NULL),
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'6': (EnumBarcodeFormat.BF_CODE_93, EnumBarcodeFormat_2.BF2_NULL),
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'7': (EnumBarcodeFormat.BF_CODABAR, EnumBarcodeFormat_2.BF2_NULL),
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'8': (EnumBarcodeFormat.BF_ITF, EnumBarcodeFormat_2.BF2_NULL),
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'9': (EnumBarcodeFormat.BF_INDUSTRIAL_25, EnumBarcodeFormat_2.BF2_NULL),
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'10': (EnumBarcodeFormat.BF_EAN_13, EnumBarcodeFormat_2.BF2_NULL),
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'11': (EnumBarcodeFormat.BF_EAN_8, EnumBarcodeFormat_2.BF2_NULL),
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'12': (EnumBarcodeFormat.BF_UPC_A, EnumBarcodeFormat_2.BF2_NULL),
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'13': (EnumBarcodeFormat.BF_UPC_E, EnumBarcodeFormat_2.BF2_NULL),
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'14': (EnumBarcodeFormat.BF_PDF417, EnumBarcodeFormat_2.BF2_NULL),
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'15': (EnumBarcodeFormat.BF_DATAMATRIX, EnumBarcodeFormat_2.BF2_NULL),
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'16': (EnumBarcodeFormat.BF_AZTEC, EnumBarcodeFormat_2.BF2_NULL),
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'17': (EnumBarcodeFormat.BF_CODE_39_EXTENDED, EnumBarcodeFormat_2.BF2_NULL),
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'18': (EnumBarcodeFormat.BF_MAXICODE, EnumBarcodeFormat_2.BF2_NULL),
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'19': (EnumBarcodeFormat.BF_GS1_DATABAR, EnumBarcodeFormat_2.BF2_NULL),
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'20': (EnumBarcodeFormat.BF_PATCHCODE, EnumBarcodeFormat_2.BF2_NULL),
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'21': (EnumBarcodeFormat.BF_GS1_COMPOSITE, EnumBarcodeFormat_2.BF2_NULL),
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'22': (EnumBarcodeFormat.BF_NULL, EnumBarcodeFormat_2.BF2_POSTALCODE),
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'23': (EnumBarcodeFormat.BF_NULL, EnumBarcodeFormat_2.BF2_DOTCODE)
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}
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Template_Settings = {
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'1': '{"ImageParameter":{'
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'"Name":"BestCoverage",'
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'"DeblurLevel":9,'
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'"ExpectedBarcodesCount":512,'
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'"ScaleDownThreshold":100000,'
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'"LocalizationModes":['
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'{"Mode":"LM_CONNECTED_BLOCKS"},'
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'{"Mode":"LM_SCAN_DIRECTLY"},'
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'{"Mode":"LM_STATISTICS"},'
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'{"Mode":"LM_LINES"},'
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'{"Mode":"LM_STATISTICS_MARKS"}],'
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'"GrayscaleTransformationModes":['
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'{"Mode":"GTM_ORIGINAL"},'
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'{"Mode":"GTM_INVERTED"}]'
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'}'
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'}',
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'2': '{"ImageParameter":{'
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'"Name":"BestSpeed",'
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'"DeblurLevel":3,'
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'"ExpectedBarcodesCount":512,'
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'"LocalizationModes":['
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'{"Mode":"LM_SCAN_DIRECTLY"}],'
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'"TextFilterModes":['
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'{"MinImageDimension":262144,"Mode":"TFM_GENERAL_CONTOUR"}]'
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'}'
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'}',
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'3': '{"ImageParameter":{'
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'"Name":"Balance",'
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'"DeblurLevel":5,'
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'"ExpectedBarcodesCount":512,'
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'"LocalizationModes":['
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'{"Mode":"LM_CONNECTED_BLOCKS"},'
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'{"Mode":"LM_STATISTICS"}]'
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'}'
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'}'
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}
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def init_runtime_settings():
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while True:
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print()
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print("Step 2: Choose a template settings : ")
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print("\t 1: Best Coverage Settings")
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print("\t 2: Best Speed Settings")
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print("\t 3: Balance Settings")
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item = input()
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if str(item) == 'q' or str(item) == 'Q':
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print('Bye, looking forward to your next use.')
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exit()
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if str(item) not in Template_Settings.keys():
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print('Please choose a valid number.')
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continue
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else:
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reader.init_runtime_settings_with_string(Template_Settings[item])
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break
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def set_barcode_format():
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while True:
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print()
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print("Step 3: Choose a number for the format(s) of your barcode image: ")
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print("\t 1: All")
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print("\t 2: OneD")
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print("\t 3: QR Code")
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print("\t 4: Code 39")
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print("\t 5: Code 128")
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print("\t 6: Code 93")
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print("\t 7: Codabar")
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print("\t 8: Interleaved 2 of 5")
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print("\t 9: Industrial 2 of 5")
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print("\t 10: EAN-13")
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print("\t 11: EAN-8")
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print("\t 12: UPC-A")
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print("\t 13: UPC-E")
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print("\t 14: PDF417")
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print("\t 15: DATAMATRIX")
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print("\t 16: AZTEC")
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print("\t 17: Code 39 Extended")
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print("\t 18: Maxicode")
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print("\t 19: GS1 Databar")
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print("\t 20: PatchCode")
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print("\t 21: GS1 Composite")
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print("\t 22: Postal Code")
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print("\t 23: DotCode")
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item = input()
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if str(item) == 'q' or str(item) == 'Q':
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print('Bye, looking forward to your next use.')
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exit()
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if str(item) not in Barcode_Format_Dict.keys():
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print('Please choose a valid number.')
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continue
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else:
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settings = reader.get_runtime_settings()
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settings.barcode_format_ids = Barcode_Format_Dict[item][0]
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settings.barcode_format_ids_2 = Barcode_Format_Dict[item][1]
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reader.update_runtime_settings(settings)
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break
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def decode_file(path):
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try:
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start_time = time.time()
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text_results = reader.decode_file(path)
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end_time = time.time()
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spend_time = (end_time - start_time)*1000
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if text_results is not None:
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print('Total barcode(s) found : {0}. Total time spent: {1} ms.'.format(len(text_results), spend_time))
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i = 1
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for text_result in text_results:
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print("-------------")
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print('Barcode {0}'.format(i))
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print("Barcode Format :")
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print(text_result.barcode_format_string)
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print("Barcode Text :")
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print(text_result.barcode_text)
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print("Barcode Bytes :")
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print(text_result.barcode_bytes)
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print("Localization Points : ")
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print(text_result.localization_result.localization_points)
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print("-------------")
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i = i + 1
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else:
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print("-------------")
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print("No barcode found. Total time spent: {0} ms.".format(spend_time))
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print("-------------")
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except BarcodeReaderError as bre:
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print(bre)
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def decode_files(path):
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for idx, img in enumerate(glob.glob(os.path.join(path, "*.*"))):
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print('Image', idx + 1)
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print(img)
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print(40 * '#')
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decode_file(img)
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print(40 * '#')
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if __name__ == '__main__':
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license_key = "Input your own license"
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reader.init_license(license_key)
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# reader.init_license_from_server(license_server, license_key)
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# license_content = reader.output_license_to_string()
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# reader.init_license_from_license_content(license_key, license_content)
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print("*************************************************")
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print("Welcome to Dynamsoft Barcode Reader Demo")
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print("*************************************************")
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print("Hints: Please input 'Q'or 'q' to quit the application.")
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print()
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while True:
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path = input("Step 1: Input your image path or folder path:")
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if path == 'q' or path == 'Q':
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print('Bye, looking forward to your next use.')
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exit()
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if not os.path.exists(path):
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print("The picture or folder path doesn't exist , please input a valid path.")
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continue
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init_runtime_settings()
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set_barcode_format()
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if os.path.isdir(path):
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decode_files(path)
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elif os.path.isfile(path):
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decode_file(path)
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else:
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print("The path is invalid , please input a valid path.")
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continue

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