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91 lines
2.3 KiB
91 lines
2.3 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 os
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import qrcode
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from PIL import Image
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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)
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