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云代码 - python代码库

图片转字符画

2022-08-31 作者: Python自学举报

[python]代码库

#!/usr/bin/env python
# encoding: utf-8
 
from PIL import Image
 
class charsetPicture:
    '''
     This is a main Class, the file contains all documents.
     One document contains paragraphs that have several sentences
     It loads the original file and converts the original file to new content
     Then the new content will be saved by this class
     注意根据图片的长宽比调整宽度高度,对比度高的图片效果更好
    '''
    def __init__(self):
        self.char = list("$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|()1{}[]?-_+~<>i!lI;:,\"^`'. ")
        self.width = 130
        self.height = 80
 
    def hello(self):
        '''
        This is a welcome speech
        :return: self
        '''
        return self
 
    def get_char(self, r, g, b, alpha=256):
        '''
        将256灰度映射到70个字符上,也就是RGB值转字符的函数
        :alpha: 透明度
        :return: self
        '''
        if alpha == 0:
            return ' '
        length = len(self.char)
        gray = int(0.2126 * r + 0.7152 * g + 0.0722 * b)
        unit = (256.0 + 1) / length
        return self.char[int(gray / unit)]
 
    def run(self):
        '''
        The program entry
        '''
        im = Image.open('assets/picture.jpeg')
        im = im.resize((self.width, self.height), Image.NEAREST)
        txt = ''
        for i in range(self.height):
            for j in range(self.width):
                txt += self.get_char(*im.getpixel((j, i)))
            txt += '\n'
        print(txt)
        with open('handler.txt', 'w') as f:
            f.write(txt)
 
if __name__ == '__main__':
    charsetPicture().hello().run()

[代码运行效果截图]


图片转字符画

[源代码打包下载]




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