2019.06.24

Raspberry Pi/python2/examples/epd_4in2_test.py

@@ -0,0 +1,84 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import sys
+sys.path.append(r'../lib')
+
+import epd4in2
+import epdconfig
+import time
+from PIL import Image,ImageDraw,ImageFont
+import traceback
+
+try:
+    print("epd4in2 Demo")
+    
+    epd = epd4in2.EPD()
+    print("init and Clear")
+    epd.init()
+    epd.Clear()
+    
+    font24 = ImageFont.truetype('../lib/Font.ttc', 24)
+    font18 = ImageFont.truetype('../lib/Font.ttc', 18)
+    
+    # Drawing on the Horizontal image
+    print("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 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)
+    
+    # Drawing on the Vertical image
+    print("2.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 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(2)
+    
+    print("3.read bmp file")
+    Himage = Image.open('../pic/4in2.bmp')
+    epd.display(epd.getbuffer(Himage))
+    time.sleep(2)
+    
+    print("4.read bmp file on window")
+    Himage2 = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame
+    bmp = Image.open('../pic/100x100.bmp')
+    Himage2.paste(bmp, (50,10))
+    epd.display(epd.getbuffer(Himage2))
+    time.sleep(2)
+
+    print("Clear...")
+    epd.init()
+    epd.Clear()
+    
+    print("Goto Sleep...")
+    epd.sleep()
+    
+except IOError as e:
+    print(e)
+    
+except KeyboardInterrupt:    
+    print("ctrl + c:")
+    epdconfig.module_exit()
+    exit()