准备工作:
1.一部Android手机 文中测试机型为三星S8.
2.一个Python3.*环境.
3.安装好adb测试桥.

测试环境:macOS 10.13.2* Python3.6

import os
import pygame,tqdm

def StringList(text,size):
    pygame.init()
    font = pygame.font.Font(os.path.join("/System/Library/Fonts", "STHeiti Light.ttc"), size)
    #字体文件存放位置,本实例为macOS字体位置,windows请另找路径

    rtext = font.render(text, True, (0, 0, 0), (255, 255, 255))
    rtext = pygame.transform.flip(rtext, True, False)
    rtext = pygame.transform.rotate(rtext, 90)
    #rtext为pygame的surface对象
    ImageList = []
    pygame.image.save(rtext, "t.jpg")
    #将surface对象转换成二维矩阵数组
    for x in range(0, rtext.get_height()):
        FirstList = []
        for y in range(0, rtext.get_width()):
            FirstList.append(rtext.get_at((y, x))[0])
        ImageList.append(FirstList)
    return ImageList


def PrintString(size=1400,string='帅',left=0,top=450):
    ImageList = StringList(string, size)  # 一个字符1400大小两个700大小
    llll = []
    tryt = 0
    for x in range(0, len(ImageList)):
        for y in range(0, len(ImageList[x])):
            t = ''
            if ImageList[x][y] < 10:

                if tryt != 0:
                    tryt = tryt - 1
                else:
                    while 1 == 1:
                        if ImageList[x][y + tryt] < 10:
                            tryt = tryt + 1
                            ft = False
                        else:
                            llll.append(([[x], [y], [y + tryt]]))
                            break
    rr = 0

    density = 30

    # 作画密度参数
    for xx in tqdm.tqdm(range(0, len(llll))):
        try:
            if llll[xx][0] != llll[xx - 1][0]:
                rr = rr + 1
        except:
            print('over')
        if rr % density == 0:
            os.system(
                'adb shell input swipe ' + str(llll[xx][0][0] +left) + ' ' + str(llll[xx][1][0] + top) + ' ' + str(
                    llll[xx][0][0] +left) + ' ' + str(llll[xx][2][0] + top))
if __name__ == '__main__':
    PrintString(size=1400,string='帅',left=0,top=450)

测试效果:

WechatIMG95.jpeg