77 lines
2.5 KiB
Python
77 lines
2.5 KiB
Python
#!/usr/bin/python
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# -*- coding:utf-8 -*-
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import sys
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import os
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picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
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libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
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if os.path.exists(libdir):
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sys.path.append(libdir)
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import logging
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from waveshare_epd import epd4in37g
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import time
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from PIL import Image,ImageDraw,ImageFont
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import traceback
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logging.basicConfig(level=logging.DEBUG)
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try:
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logging.info("epd4in37g Demo")
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epd = epd4in37g.EPD()
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logging.info("init and Clear")
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epd.init()
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epd.Clear()
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font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
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font18 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 18)
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font40 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 40)
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# Drawing on the image
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logging.info("1.Drawing on the image...")
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Himage = Image.new('RGB', (epd.width, epd.height), epd.WHITE) # 255: clear the frame
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draw = ImageDraw.Draw(Himage)
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draw.text((5, 0), 'hello world', font = font18, fill = epd.RED)
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draw.text((5, 20), '4.37inch e-Paper', font = font24, fill = epd.YELLOW)
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draw.text((5, 45), u'微雪电子', font = font40, fill = epd.BLACK)
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draw.text((5, 85), u'微雪电子', font = font40, fill = epd.YELLOW)
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draw.text((5, 125), u'微雪电子', font = font40, fill = epd.RED)
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draw.line((5, 170, 80, 245), fill = epd.RED)
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draw.line((80, 170, 5, 245), fill = epd.YELLOW)
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draw.rectangle((5, 170, 80, 245), outline = epd.BLACK)
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draw.rectangle((90, 170, 165, 245), fill = epd.YELLOW)
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draw.arc((5, 250, 80, 325), 0, 360, fill = epd.BLACK)
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draw.chord((90, 250, 165, 325), 0, 360, fill = epd.RED)
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epd.display(epd.getbuffer(Himage))
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time.sleep(3)
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# read bmp file
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logging.info("2.read image file")
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Himage = Image.open(os.path.join(picdir, '4in37g0.jpg'))
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epd.display(epd.getbuffer(Himage))
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time.sleep(3)
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logging.info("3.read image file")
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Himage = Image.open(os.path.join(picdir, '4in37g1.jpg'))
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epd.display(epd.getbuffer(Himage))
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time.sleep(3)
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logging.info("4.read image file")
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Himage = Image.open(os.path.join(picdir, '4in37g2.jpg'))
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epd.display(epd.getbuffer(Himage))
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time.sleep(3)
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logging.info("Clear...")
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epd.Clear()
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logging.info("Goto Sleep...")
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epd.sleep()
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except IOError as e:
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logging.info(e)
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except KeyboardInterrupt:
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logging.info("ctrl + c:")
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epd4in37g.epdconfig.module_exit()
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exit()
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