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Added fast refresh and improved partial refresh effect to the 4.2inch e-Paper

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SSYYL 2022-02-08 10:28:56 +08:00
commit d6e11eaae6
18 changed files with 4080 additions and 1881 deletions
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18
RaspberryPi_JetsonNano/python/examples/epd_4in2_test.py
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@ -78,18 +78,20 @@ try:
logging.info("Clear...")
epd.Clear()
Himage3 = Image.new('1', (epd.width, epd.height), 0) # 255: clear the frame
draw = ImageDraw.Draw(Himage3)
print("Support for partial refresh, but the refresh effect is not good, but it is not recommended")
print("Local refresh is off by default and is not recommended.")
if(0):
print("Support for partial refresh, but the refresh effect is not good, but it is not recommended")
print("Local refresh is off by default and is not recommended.")
Himage3 = Image.new('1', (epd.width, epd.height), 0) # 255: clear the frame
draw = ImageDraw.Draw(Himage3)
epd.init_Partial()
for j in range(0, int(20)):
draw.rectangle((8, 80, 44, 155), fill = 0)
draw.text((8, 80), str(j) , font = font35, fill = 1)
draw.text((8, 120), str(20-j) , font = font35, fill = 1)
draw.rectangle((8, 80, 48, 155), fill = 255)
draw.text((8, 80), str(j) , font = font35, fill = 0)
draw.text((8, 120), str(20-j) , font = font35, fill = 0)
epd.EPD_4IN2_PartialDisplay(8, 80, 42, 155, epd.getbuffer(Himage3))
time.sleep(2);
'''4Gray display'''
logging.info("5.4Gray display--------------------------------")
epd.Init_4Gray()