小项目图像转换字符串

from PIL import Image

im=r"C:\Users\Achoo\Desktop\love.PNG"#原始图片路径
im_path=r"C:\Users\Achoo\Desktop\LOVE.txt"#记事本路径
zifu="!@#.%^&.()_{}><?@"#字符集
def rgbx(r,g,b,a):
    gray = int(0.2126 * r + 0.7152 * g + 0.0722 * b)#将rgb值转换为灰度值
    lenght=len(zifu)
    id=int(256/lenght)
    return zifu[int(gray/id)]#将该灰度值与字符集对应
def change(im,da=10):#将原图像压缩
    height,width=im.size
    print(height,width)
    height=int(height/da)
    width=int(width/da)
    print(height,width)


    im=im.resize((height,width))
    return im

def imagechar(img_p,savepath):
    width,height=img_p.size
    txt=""
    for i in range(height):
        line=""
        for j in range(width):
            line=line+rgbx(*img_p.getpixel((j,i)))#获取原像素的rgb值
        txt+=line+"\n"
    with open(savepath,‘w+‘,encoding=‘utf-8‘) as f:
        f.write(txt)
im=Image.open(im)
im=change(im)
imagechar(im,im_path)