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91 lines
2.2 KiB
91 lines
2.2 KiB
#!/usr/bin/env python
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# -*- coding:utf-8 -*-
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# project: 12月
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# author: NinEveN
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# date: 2019/12/19
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'''
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Python生成二维码 v1.0
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主要将文本生成二维码图片
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测试一:将文本生成白底黑字的二维码图片
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测试二:将文本生成带logo的二维码图片
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'''
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import qrcode
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from PIL import Image
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import os
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#生成二维码图片
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def make_qr(str,save):
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qr=qrcode.QRCode(
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version=4, #生成二维码尺寸的大小 1-40 1:21*21(21+(n-1)*4)
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error_correction=qrcode.constants.ERROR_CORRECT_M, #L:7% M:15% Q:25% H:30%
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box_size=10, #每个格子的像素大小
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border=2, #边框的格子宽度大小
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)
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qr.add_data(str)
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qr.make(fit=True)
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img=qr.make_image()
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img.save(save)
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#生成带logo的二维码图片
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def make_logo_qr(str,logo,save):
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#参数配置
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qr=qrcode.QRCode(
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version=4,
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error_correction=qrcode.constants.ERROR_CORRECT_Q,
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box_size=8,
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border=2
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)
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#添加转换内容
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qr.add_data(str)
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#
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qr.make(fit=True)
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#生成二维码
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img=qr.make_image()
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#
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img=img.convert("RGBA")
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#添加logo
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if logo and os.path.exists(logo):
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icon=Image.open(logo)
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#获取二维码图片的大小
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img_w,img_h=img.size
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factor=4
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size_w=int(img_w/factor)
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size_h=int(img_h/factor)
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#logo图片的大小不能超过二维码图片的1/4
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icon_w,icon_h=icon.size
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if icon_w>size_w:
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icon_w=size_w
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if icon_h>size_h:
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icon_h=size_h
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icon=icon.resize((icon_w,icon_h),Image.ANTIALIAS)
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#详见:http://pillow.readthedocs.org/handbook/tutorial.html
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#计算logo在二维码图中的位置
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w=int((img_w-icon_w)/2)
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h=int((img_h-icon_h)/2)
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icon=icon.convert("RGBA")
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img.paste(icon,(w,h),icon)
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#详见:http://pillow.readthedocs.org/reference/Image.html#PIL.Image.Image.paste
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#保存处理后图片
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img.save(save)
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if __name__=='__main__':
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save_path='base__runmethod_02.png' #生成后的保存文件
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logo='/tmp/pycharm_project_986/fir/tmp/icon/cmjpwyltznbioseh' #logo图片
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str="https://fir.im/luy4"
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make_logo_qr(str,logo,save_path) |