Add lib/display.py

lib/display.py

@@ -0,0 +1,133 @@
+#!/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 epd2in13_V4
+import time
+from PIL import Image,ImageDraw,ImageFont
+import traceback
+
+logging.basicConfig(level=logging.DEBUG)
+
+try:
+    logging.info("epd2in13_V4 Demo")
+    
+    epd = epd2in13_V4.EPD()
+    logging.info("init and Clear")
+    epd.init()
+    epd.Clear(0xFF)
+
+    # Drawing on the image
+    font15 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 15)
+    font24 = ImageFont.truetype(os.path.join(picdir, 'Font.ttc'), 24)
+    
+    if 1:
+        logging.info("E-paper refresh")
+        epd.init()
+        logging.info("1.Drawing on the image...")
+        image = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame    
+        draw = ImageDraw.Draw(image)
+        draw.rectangle([(0,0),(50,50)],outline = 0)
+        draw.rectangle([(55,0),(100,50)],fill = 0)
+        draw.line([(0,0),(50,50)], fill = 0,width = 1)
+        draw.line([(0,50),(50,0)], fill = 0,width = 1)
+        draw.chord((10, 60, 50, 100), 0, 360, fill = 0)
+        draw.ellipse((55, 60, 95, 100), outline = 0)
+        draw.pieslice((55, 60, 95, 100), 90, 180, outline = 0)
+        draw.pieslice((55, 60, 95, 100), 270, 360, fill = 0)
+        draw.polygon([(110,0),(110,50),(150,25)],outline = 0)
+        draw.polygon([(190,0),(190,50),(150,25)],fill = 0)
+        draw.text((120, 60), 'e-Paper demo', font = font15, fill = 0)
+        draw.text((110, 90), u'微雪电子', font = font24, fill = 0)
+        # image = image.rotate(180) # rotate
+        epd.display(epd.getbuffer(image))
+        time.sleep(2)
+        
+        # read bmp file 
+        logging.info("2.read bmp file...")
+        image = Image.open(os.path.join(picdir, '2in13.bmp'))
+        epd.display(epd.getbuffer(image))
+        time.sleep(2)
+        
+        # read bmp file on window
+        logging.info("3.read bmp file on window...")
+        # epd.Clear(0xFF)
+        image1 = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame
+        bmp = Image.open(os.path.join(picdir, '100x100.bmp'))
+        image1.paste(bmp, (2,2))    
+        epd.display(epd.getbuffer(image1))
+        time.sleep(2)
+        
+       
+    else:
+        logging.info("E-paper refreshes quickly")
+        epd.init_fast()
+        logging.info("1.Drawing on the image...")
+        image = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame    
+        draw = ImageDraw.Draw(image)
+        draw.rectangle([(0,0),(50,50)],outline = 0)
+        draw.rectangle([(55,0),(100,50)],fill = 0)
+        draw.line([(0,0),(50,50)], fill = 0,width = 1)
+        draw.line([(0,50),(50,0)], fill = 0,width = 1)
+        draw.chord((10, 60, 50, 100), 0, 360, fill = 0)
+        draw.ellipse((55, 60, 95, 100), outline = 0)
+        draw.pieslice((55, 60, 95, 100), 90, 180, outline = 0)
+        draw.pieslice((55, 60, 95, 100), 270, 360, fill = 0)
+        draw.polygon([(110,0),(110,50),(150,25)],outline = 0)
+        draw.polygon([(190,0),(190,50),(150,25)],fill = 0)
+        draw.text((120, 60), 'e-Paper demo', font = font15, fill = 0)
+        draw.text((110, 90), u'微雪电子', font = font24, fill = 0)
+        # image = image.rotate(180) # rotate
+        epd.display_fast(epd.getbuffer(image))
+        time.sleep(2)
+        
+        # read bmp file 
+        logging.info("2.read bmp file...")
+        image = Image.open(os.path.join(picdir, '2in13.bmp'))
+        epd.display_fast(epd.getbuffer(image))
+        time.sleep(2)
+        
+        # read bmp file on window
+        logging.info("3.read bmp file on window...")
+        # epd.Clear(0xFF)
+        image1 = Image.new('1', (epd.height, epd.width), 255)  # 255: clear the frame
+        bmp = Image.open(os.path.join(picdir, '100x100.bmp'))
+        image1.paste(bmp, (2,2))    
+        epd.display_fast(epd.getbuffer(image1))
+        time.sleep(2)
+
+    
+    # # partial update
+    logging.info("4.show time...")
+    time_image = Image.new('1', (epd.height, epd.width), 255)
+    time_draw = ImageDraw.Draw(time_image)
+    epd.displayPartBaseImage(epd.getbuffer(time_image))
+    num = 0
+    while (True):
+        time_draw.rectangle((120, 80, 220, 105), fill = 255)
+        time_draw.text((120, 80), time.strftime('%H:%M:%S'), font = font24, fill = 0)
+        epd.displayPartial(epd.getbuffer(time_image))
+        num = num + 1
+        if(num == 10):
+            break
+    
+    logging.info("Clear...")
+    epd.init()
+    epd.Clear(0xFF)
+    
+    logging.info("Goto Sleep...")
+    epd.sleep()
+        
+except IOError as e:
+    logging.info(e)
+    
+except KeyboardInterrupt:    
+    logging.info("ctrl + c:")
+    epd2in13_V4.epdconfig.module_exit(cleanup=True)
+    exit()