#!/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 epd4in2_V2 import time from PIL import Image,ImageDraw,ImageFont import traceback logging.basicConfig(level=logging.DEBUG) try: logging.info("epd4in2 Demo") epd = epd4in2_V2.EPD() logging.info("init and Clear") epd.init() epd.Clear() font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24) font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18) font35 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 35) if 0: logging.info("E-paper refresh") epd.init() # Drawing on the Horizontal image logging.info("1.Drawing on the Horizontal image...") Himage = Image.new('1', (epd.width, epd.height), 255) # 255: clear the frame draw = ImageDraw.Draw(Himage) draw.text((10, 0), 'hello world', font = font24, fill = 0) draw.text((10, 20), '4.2inch V2 e-Paper', font = font24, fill = 0) draw.text((150, 0), u'微雪电子', font = font24, fill = 0) draw.line((20, 50, 70, 100), fill = 0) draw.line((70, 50, 20, 100), fill = 0) draw.rectangle((20, 50, 70, 100), outline = 0) draw.line((165, 50, 165, 100), fill = 0) draw.line((140, 75, 190, 75), fill = 0) draw.arc((140, 50, 190, 100), 0, 360, fill = 0) draw.rectangle((80, 50, 130, 100), fill = 0) draw.chord((200, 50, 250, 100), 0, 360, fill = 0) epd.display(epd.getbuffer(Himage)) time.sleep(2) logging.info("2.read bmp file") Himage = Image.open(os.path.join(picdir, '4in2.bmp')) epd.display(epd.getbuffer(Himage)) time.sleep(2) # Drawing on the Vertical image logging.info("3.read bmp file on window") Himage2 = Image.new('1', (epd.height, epd.width), 255) # 255: clear the frame bmp = Image.open(os.path.join(picdir, '100x100.bmp')) Himage2.paste(bmp, (50,10)) epd.display(epd.getbuffer(Himage2)) time.sleep(2) logging.info("4.Drawing on the Vertical image...") Limage = Image.new('1', (epd.height, epd.width), 255) # 255: clear the frame draw = ImageDraw.Draw(Limage) draw.text((2, 0), 'hello world', font = font18, fill = 0) draw.text((2, 20), '4.2inch V2 epd', font = font18, fill = 0) draw.text((20, 50), u'微雪电子', font = font18, fill = 0) draw.line((10, 90, 60, 140), fill = 0) draw.line((60, 90, 10, 140), fill = 0) draw.rectangle((10, 90, 60, 140), outline = 0) draw.line((95, 90, 95, 140), fill = 0) draw.line((70, 115, 120, 115), fill = 0) draw.arc((70, 90, 120, 140), 0, 360, fill = 0) draw.rectangle((10, 150, 60, 200), fill = 0) draw.chord((70, 150, 120, 200), 0, 360, fill = 0) epd.display(epd.getbuffer(Limage)) time.sleep(1) else: logging.info("E-paper refreshes quickly") # Drawing on the Horizontal image epd.init_fast(epd.Seconds_1_5S) logging.info("1.Drawing on the Horizontal image...") Himage = Image.new('1', (epd.width, epd.height), 255) # 255: clear the frame draw = ImageDraw.Draw(Himage) draw.text((10, 0), 'hello world', font = font24, fill = 0) draw.text((10, 20), '4.2inch V2 e-Paper', font = font24, fill = 0) draw.text((150, 0), u'微雪电子', font = font24, fill = 0) draw.line((20, 50, 70, 100), fill = 0) draw.line((70, 50, 20, 100), fill = 0) draw.rectangle((20, 50, 70, 100), outline = 0) draw.line((165, 50, 165, 100), fill = 0) draw.line((140, 75, 190, 75), fill = 0) draw.arc((140, 50, 190, 100), 0, 360, fill = 0) draw.rectangle((80, 50, 130, 100), fill = 0) draw.chord((200, 50, 250, 100), 0, 360, fill = 0) epd.display_Fast(epd.getbuffer(Himage)) time.sleep(2) logging.info("2.read bmp file") Himage = Image.open(os.path.join(picdir, '4in2.bmp')) epd.display_Fast(epd.getbuffer(Himage)) time.sleep(2) # Drawing on the Vertical image logging.info("3.read bmp file on window") Himage2 = Image.new('1', (epd.height, epd.width), 255) # 255: clear the frame bmp = Image.open(os.path.join(picdir, '100x100.bmp')) Himage2.paste(bmp, (50,10)) epd.display_Fast(epd.getbuffer(Himage2)) time.sleep(2) logging.info("4.Drawing on the Vertical image...") Limage = Image.new('1', (epd.height, epd.width), 255) # 255: clear the frame draw = ImageDraw.Draw(Limage) draw.text((2, 0), 'hello world', font = font18, fill = 0) draw.text((2, 20), '4.2inch V2 epd', font = font18, fill = 0) draw.text((20, 50), u'微雪电子', font = font18, fill = 0) draw.line((10, 90, 60, 140), fill = 0) draw.line((60, 90, 10, 140), fill = 0) draw.rectangle((10, 90, 60, 140), outline = 0) draw.line((95, 90, 95, 140), fill = 0) draw.line((70, 115, 120, 115), fill = 0) draw.arc((70, 90, 120, 140), 0, 360, fill = 0) draw.rectangle((10, 150, 60, 200), fill = 0) draw.chord((70, 150, 120, 200), 0, 360, fill = 0) epd.display_Fast(epd.getbuffer(Limage)) time.sleep(1) # partial update logging.info("5.show time...") num = 0 while (True): draw.rectangle((140, 80, 240, 105), fill = 255) draw.text((140, 80), time.strftime('%H:%M:%S'), font = font24, fill = 0) epd.display_Partial(epd.getbuffer(Limage)) num = num + 1 time.sleep(0.5) if(num == 10): break '''4Gray display''' logging.info("6.4Gray display--------------------------------") epd.Init_4Gray() Limage = Image.new('L', (epd.width, epd.height), 0) # 255: clear the frame draw = ImageDraw.Draw(Limage) draw.text((20, 0), u'微雪电子', font = font35, fill = epd.GRAY1) draw.text((20, 35), u'微雪电子', font = font35, fill = epd.GRAY2) draw.text((20, 70), u'微雪电子', font = font35, fill = epd.GRAY3) draw.text((40, 110), 'hello world', font = font18, fill = epd.GRAY1) draw.line((10, 140, 60, 190), fill = epd.GRAY1) draw.line((60, 140, 10, 190), fill = epd.GRAY1) draw.rectangle((10, 140, 60, 190), outline = epd.GRAY1) draw.line((95, 140, 95, 190), fill = epd.GRAY1) draw.line((70, 165, 120, 165), fill = epd.GRAY1) draw.arc((70, 140, 120, 190), 0, 360, fill = epd.GRAY1) draw.rectangle((10, 200, 60, 250), fill = epd.GRAY1) draw.chord((70, 200, 120, 250), 0, 360, fill = epd.GRAY1) epd.display_4Gray(epd.getbuffer_4Gray(Limage)) time.sleep(3) #display 4Gra bmp Himage = Image.open(os.path.join(picdir, '4in2_Scale_1.bmp')) epd.display_4Gray(epd.getbuffer_4Gray(Himage)) time.sleep(4) 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:") epd4in2_V2.epdconfig.module_exit() exit()