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Commit 603a7ef

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二维码识别器
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‎my10-识别二维码/QR_Scaner1.py

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# -*- coding: utf-8 -*-
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# @Time : 2018年12月31日 18:35
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# @Author : play4fun
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# @File : QR_Scaner1.py
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# @Software: PyCharm
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"""
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QR_Scaner1.py:
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"""
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from pyzbar.pyzbar import decode
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# from PIL import Image
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import cv2
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def main():
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fp = 'macbookPro.jpg'
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# img = Image.open(fp)
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# img.show()
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image = cv2.imread(fp)
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barcodes = decode(image)
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decoded = barcodes[0]
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print(decoded)
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#
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url: bytes = decoded.data
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url = url.decode()
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print(url)
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# rect
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rect = decoded.rect
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print(rect) # Rect(left=19, top=19, width=292, height=292)
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# loop over the detected barcodes
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for barcode in barcodes:
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# extract the bounding box location of the barcode and draw the
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# bounding box surrounding the barcode on the image
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(x, y, w, h) = barcode.rect
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cv2.rectangle(image, (x, y), (x + w, y + h), (0, 0, 255), 2)
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# the barcode data is a bytes object so if we want to draw it on
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# our output image we need to convert it to a string first
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barcodeData = barcode.data.decode("utf-8")
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barcodeType = barcode.type
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# draw the barcode data and barcode type on the image
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text = "{} ({})".format(barcodeData, barcodeType)
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cv2.putText(image, text, (x, y - 10), cv2.FONT_HERSHEY_SIMPLEX,
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0.5, (0, 0, 255), 2)
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# print the barcode type and data to the terminal
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print("[INFO] Found {} barcode: {}".format(barcodeType, barcodeData))
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# show the output image
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cv2.imshow("Image", image)
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cv2.imwrite('macbook_qr_rect.jpg', image)
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cv2.waitKey(0) # 按任意键退出
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if __name__ == '__main__':
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main()

‎my10-识别二维码/macbookPro.jpg

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‎my10-识别二维码/创建二维码.md

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# 创建二维码
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- 参考
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- https://github.com/lincolnloop/python-qrcode
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- [使用Python的库qrcode生成二维码](https://www.jianshu.com/p/b4b14e314b2a)
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- 安装
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- pip install qrcode[pil]
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- 创建
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```python
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import qrcode
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url='https://item.jd.com/7842699.html'
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img = qrcode.make(url, border=6)
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img.save('macbookPro.jpg')
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```
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-
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```bash
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qr 'Some data' > test.png
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```

‎my10-识别二维码/识别二维码.md

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## my10-识别二维码
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- 参考
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- https://github.com/NaturalHistoryMuseum/pyzbar
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- [用ZBar做OpenCV识别器-条形码+二维码](https://www.pyimagesearch.com/2018/05/21/an-opencv-barcode-and-qr-code-scanner-with-zbar/)
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- 安装
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- 安装 ZBar
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- Ubuntu
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- sudo apt-get install libzbar0
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- macOS Mojave
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- brew install zbar
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- pip install pyzbar

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