eink-linux-pda/e-Paper/RaspberryPi_JetsonNano/python/examples/epd_2in9b_V4_test.py

119 lines
4.4 KiB
Python
Raw Permalink Normal View History

2026-01-15 10:21:39 -05:00
#!/usr/bin/python
# -*- coding:utf-8 -*-
import sys
import os
picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
if os.path.exists(libdir):
sys.path.append(libdir)
import logging
from waveshare_epd import epd2in9b_V4
import time
from PIL import Image,ImageDraw,ImageFont
import traceback
logging.basicConfig(level=logging.DEBUG)
try:
logging.info("epd2in9b V4 Demo")
epd = epd2in9b_V4.EPD()
logging.info("init and Clear")
epd.init()
epd.Clear()
time.sleep(1)
# Drawing on the image
logging.info("Drawing")
font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
logging.info("read bmp file")
HBlackimage = Image.open(os.path.join(picdir, '2in9bc-b.bmp'))
HRYimage = Image.open(os.path.join(picdir, '2in9bc-ry.bmp'))
epd.display(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
time.sleep(2)
# Drawing on the Horizontal image
logging.info("Drawing on the Horizontal image...")
epd.init_Fast()
HBlackimage = Image.new('1', (epd.height, epd.width), 255) # 298*126
HRYimage = Image.new('1', (epd.height, epd.width), 255) # 298*126 ryimage: red or yellow image
drawblack = ImageDraw.Draw(HBlackimage)
drawry = ImageDraw.Draw(HRYimage)
drawblack.text((10, 0), 'hello world', font = font24, fill = 0)
drawblack.text((10, 20), '2.9inch e-Paper b V4', font = font24, fill = 0)
drawblack.text((150, 0), u'微雪电子', font = font24, fill = 0)
drawblack.line((20, 50, 70, 100), fill = 0)
drawblack.line((70, 50, 20, 100), fill = 0)
drawblack.rectangle((20, 50, 70, 100), outline = 0)
drawry.line((165, 50, 165, 100), fill = 0)
drawry.line((140, 75, 190, 75), fill = 0)
drawry.arc((140, 50, 190, 100), 0, 360, fill = 0)
drawry.rectangle((80, 50, 130, 100), fill = 0)
drawry.chord((200, 50, 250, 100), 0, 360, fill = 0)
epd.display_Fast(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
time.sleep(2)
'''
# If you didn't use the display_Base() function to refresh the image before,
# use the display_Base_color() function to refresh the background color,
# otherwise the background color will be garbled
# epd.init()
# epd.display_Base(epd.getbuffer(HBlackimage), epd.getbuffer(HRYimage))
# epd.display_Base_color(0xFF)
'''
# partial update
logging.info("5.show time")
epd.init()
epd.display_Base_color(0xFF)
HBlackimage = Image.new('1', (epd.height, epd.width), 255)
drawblack = ImageDraw.Draw(HBlackimage)
num = 0
while (True):
drawblack.rectangle((10, 10, 120, 50), fill = 255)
drawblack.text((10, 10), time.strftime('%H:%M:%S'), font = font24, fill = 0)
newimage = HBlackimage.crop([10, 10, 120, 50])
HBlackimage.paste(newimage, (10,10))
epd.display_Partial(epd.getbuffer(HBlackimage),10, epd.height - 120, 50, epd.height - 10)
num = num + 1
if(num == 10):
break
# # Drawing on the Vertical image
# logging.info("Drawing on the Vertical image...")
# LBlackimage = Image.new('1', (epd.width, epd.height), 255) # 126*298
# LRYimage = Image.new('1', (epd.width, epd.height), 255) # 126*298
# drawblack = ImageDraw.Draw(LBlackimage)
# drawry = ImageDraw.Draw(LRYimage)
# drawblack.text((2, 0), 'hello world', font = font18, fill = 0)
# drawblack.text((2, 20), '2.9inch epd b V4', font = font18, fill = 0)
# drawblack.text((20, 50), u'微雪电子', font = font18, fill = 0)
# drawblack.line((10, 90, 60, 140), fill = 0)
# drawblack.line((60, 90, 10, 140), fill = 0)
# drawblack.rectangle((10, 90, 60, 140), outline = 0)
# drawry.line((95, 90, 95, 140), fill = 0)
# drawry.line((70, 115, 120, 115), fill = 0)
# drawry.arc((70, 90, 120, 140), 0, 360, fill = 0)
# drawry.rectangle((10, 150, 60, 200), fill = 0)
# drawry.chord((70, 150, 120, 200), 0, 360, fill = 0)
# epd.display(epd.getbuffer(LBlackimage), epd.getbuffer(LRYimage))
# time.sleep(2)
logging.info("Clear...")
epd.init()
epd.Clear()
logging.info("Goto Sleep...")
epd.sleep()
except IOError as e:
logging.info(e)
except KeyboardInterrupt:
logging.info("ctrl + c:")
epd2in9b_V4.epdconfig.module_exit(cleanup=True)
exit()