greenscale/greenscale.py

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2019-01-05 18:10:25 +00:00
import sys
data = sys.stdin.read()
mybytearray=bytearray(data)
import struct
#output = open('output.bin', 'wb')
for row in range(48/2): # because we to 2 rows at a time
for x in range(40):
nibble1 = mybytearray[2*row*40 + x]
nibble2 = mybytearray[(2*row + 1)*40 + x] * 16
pixel = nibble1+nibble2
pixel = struct.pack("B", pixel)
sys.stdout.write(pixel)