raspi-zero-waveshare/bin/nametag.py

#!/usr/bin/env python3
# -*- coding:utf-8 -*-
import sys
import os
pydir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
picdir = os.path.join(pydir, 'pic')
libdir = os.path.join(pydir, 'lib')
print(picdir)
print(libdir)
if os.path.exists(libdir):
    sys.path.append(libdir)

import logging
from waveshare_epd import epd2in13_V2
import time
from PIL import Image,ImageDraw,ImageFont

font = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), int(sys.argv[1]))

epd = epd2in13_V2.EPD()
logging.info("init and Clear")
epd.init(epd.FULL_UPDATE)
epd.Clear(0xFF)
image = Image.new('1', (epd.height, epd.width), 255)
draw = ImageDraw.Draw(image)

text = "\n".join(sys.argv[2:])

h, w = draw.textsize(text, font=font)
center = (
    int((epd.height-h)/2),
    int((epd.width-w)/2)
)

print(center, (w, h), (epd.width, epd.height))
draw.text(center, text, align="center", font = font, fill = 0)

# epd.display(epd.getbuffer(image.rotate(180)))
epd.display(epd.getbuffer(image))
epd.sleep()
epd.Dev_exit()