Python特效之文字成像方法详解

#!/usr/bin/env python
# encoding: utf-8
 
from PIL import Image, ImageDraw, ImageFont
 
class wordPicture:
    '''
     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
    '''
    def __init__(self):
        self.font_size = 7
        self.picture = 'assets/picture.jpeg'
 
    def hello(self):
        '''
        This is a welcome speech
        :return: self
        '''
        print('*' * 50)
        print(' ' * 20 + '文字成像')
        print(' ' * 5 + 'Author: autofelix  Date: 2022-01-06 13:14')
        print('*' * 50)
        return self
 
    def run(self):
        '''
        The program entry
        '''
        word = input('请输入你想说的：') or '我钟意你'
 
        resource = Image.open(self.picture)
        img_array = resource.load()
 
        image_new = Image.new('RGB', resource.size, (0, 0, 0))
        draw = ImageDraw.Draw(image_new)
        font = ImageFont.truetype('/System/Library/Fonts/PingFang.ttc', self.font_size)
 
        yield_word = self.character_generator(word)
 
        for y in range(0, resource.size[1], self.font_size):
            for x in range(0, resource.size[0], self.font_size):
                draw.text((x, y), next(yield_word), font=font, fill=img_array[x, y], direction=None)
 
        image_new.convert('RGB').save('result.jpeg')
 
    def character_generator(self, text):
        while True:
            for i in range(len(text)):
                yield text[i]
 
 
if __name__ == '__main__':
    wordPicture().hello().run()