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Adding this getbuffer_region method to better support partial refreshes. #407

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Adding this getbuffer_region method to better support partial refreshes. #407

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9 changes: 8 additions & 1 deletion RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd7in5_V2.py
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Original file line number Diff line number Diff line change
Expand Up @@ -446,4 +446,11 @@ def sleep(self):

epdconfig.delay_ms(2000)
epdconfig.module_exit()
### END OF FILE ###
def getbuffer_region(self, image):
# Accept any size image, convert to 1-bit, and invert bits for e-paper
img = image.convert('1')
buf = bytearray(img.tobytes('raw'))
for i in range(len(buf)):
buf[i] ^= 0xFF
return buf
### END OF FILE ###