【Ubuntu】自动更换添加倒计时的壁纸

川长思鸟来 2023-01-18 09:26 158阅读 0赞

# 【Ubuntu】自动更换添加倒计时的壁纸 #

**目录**

环境

主要功能介绍

说明

代码实现

自动启动

附图

参考

--------------------

## 环境 ##

Ubuntu20.04.2 LTS

python3

## 主要功能介绍 ##

取一张/多张基础图片，每天抽取一句诗词添加到图片的左下角，并在屏幕中间添加某天的倒计时。

## 说明 ##

图片和字体文件本文不提供。后附效果图。

## 代码实现 ##

#!/usr/bin/env python
    # -*- coding:utf-8 -*-
    # @Time  : 2021/5/5 下午9:10
    # @Author: kwzc4
    # @File  : 动态壁纸.py
    '''
    1.读文字
    2.读图片并合成
    3.合成
    4.保存设置
    注：文字，位置，颜色根据个人喜好自行修改
    '''
    
    import cv2
    from PIL import ImageFont, ImageDraw, Image
    import numpy as np
    import linecache
    import datetime
    import os
    
    
    img_path = "*.jpg你的基础背景文件"
    img = Image.open(img_path)
    this_path = "****你的文件保存地址"
    word_path = "txt文件，我的是毛主席诗词"
    font_path = "*.ttf你喜欢的字体文件地址"
    font_size = 60
    font_color= [255,255,255]
    word_arr=[]
    loc=[120,250]
    
    #倒计时
    flag_data = datetime.datetime.strptime('2022-4-15', '%Y-%m-%d')
    today=datetime.datetime.today()
    time_Countdown = (flag_data - today).days
    
    #更改诗句格式
    def get_word(word_path,num):
    	lines_len = len(open(word_path,'r').readlines())
    	line_word = linecache.getline(word_path, num%lines_len+1).strip()
    	word_arr=[[]]
    	i=0
    	max_len  = 0
    	for voca in line_word :
    		if voca=="—" :
    			break
    		if voca in["，","。","：","！","；"]:
    			if max_len<len(word_arr[i]):
    				max_len = len(word_arr[i])
    			word_arr.append([])
    			i+=1
    			continue
    		word_arr[i].append(voca)
    	del word_arr[-1]
    
    	#补全
    	for i in word_arr:
    		if len(i)!=max_len:
    			i+=['   ']*(max_len-len(i))
    	word_arr = np.array(word_arr)
    	new_word_arr = np.array(word_arr)
    	hang = word_arr.shape[0]
    	lie  = word_arr.shape[1] 
    	for i in range(hang):
    		new_word_arr[i] = word_arr[hang-i-1]
    	new_word_arr = new_word_arr.T
    	word_arr =[]
    	for i in range(lie):
    		temp=""
    		for word in new_word_arr[i]:
    			temp += word
    		word_arr.append(temp) 
    	return word_arr
    
    #读图片并合成
    def load_image(img_path,word_arr,loc,font_path,font_size,font_color):
    	#img
    	img = cv2.imread(img_path)
    	#font 相关设置
    	fontpath = font_path
    	font = ImageFont.truetype(fontpath, font_size)
    	
    	img_pil = Image.fromarray(img)
    	draw = ImageDraw.Draw(img_pil)
    	
    	#添加文字
    	for i in range(len(word_arr)):
    		draw.text((loc[0], loc[1]+int(font_size*i*1.25)),  word_arr[i] , font = font, fill = (font_color[0],font_color[1], font_color[2]))
    	return np.array(img_pil)
    
    
    #加诗句
    word_arr = get_word(word_path,time_Countdown)
    loc=[60,img.size[1]-int(len(word_arr)*1.3*font_size+20)]
    bk_img = load_image(img_path,word_arr,loc,font_path,font_size,font_color)
    cv2.imwrite("temp.jpg",bk_img)#保存图片
    
    #加倒计时
    img_path = "temp.jpg"
    loc=[int(img.size[0]/2),int(img.size[1]/2-4*font_size)] 
    word_arr=["倒计时"+str(time_Countdown)+"天","列计划表!","今天的小目标是什么？","效率远比时长重要！"]#随便写了几句话，自行修改
    bk_img = load_image(img_path,word_arr,loc,font_path,font_size,font_color)
    
    #保存，设置背景
    #cv2.imshow("add_text",bk_img)
    #cv2.waitKey()
    
    os.system("rm temp.jpg")
    
    file_name = this_path+str(today.strftime('%Y_%m_%d'))+".jpg"
    cv2.imwrite(file_name,bk_img)#保存图片
    os.system("gsettings set org.gnome.desktop.background picture-uri "+file_name)

## 自动启动 ##

cd /etc/init.d
    
    sudo vim /etc/init.d/mystart.sh
    
    #在文件末尾添加命令
    nohup python3 -u /home/你的地址/动态壁纸.py
    #保存退出
    
    sudo chmod 777 /etc/init.d/mystart.sh
    
    sudo update-rc.d mystart.sh defaults 90
    
    #至此结束

## **附图** ##

**（颜值即正义，配色和位置后期再进行调整）**

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0t3emM0_size_16_color_FFFFFF_t_70][]

## 参考 ##

[https://blog.csdn.net/tuzixini/article/details/95616333][https_blog.csdn.net_tuzixini_article_details_95616333]

[https://blog.csdn.net/waiwai3/article/details/79091118][https_blog.csdn.net_waiwai3_article_details_79091118]

[https://blog.csdn.net/u013401853/article/details/73751717][https_blog.csdn.net_u013401853_article_details_73751717]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0t3emM0_size_16_color_FFFFFF_t_70]: /images/20221021/4b850dcd816c47d5941e4419cf4a4428.png
[https_blog.csdn.net_tuzixini_article_details_95616333]: https://blog.csdn.net/tuzixini/article/details/95616333
[https_blog.csdn.net_waiwai3_article_details_79091118]: https://blog.csdn.net/waiwai3/article/details/79091118
[https_blog.csdn.net_u013401853_article_details_73751717]: https://blog.csdn.net/u013401853/article/details/73751717