33 lines
763 B
Python
33 lines
763 B
Python
#!/usr/bin/python3
|
|
import math
|
|
import sys
|
|
from PIL import Image
|
|
|
|
image = Image.open(sys.argv[1]).convert('L')
|
|
|
|
bitsPerRow = math.ceil(image.width/8) * 8
|
|
paddingBits = bitsPerRow - image.width
|
|
outputFile = open(sys.argv[2], "wb")
|
|
|
|
outputFile.write(bytes((image.width,)))
|
|
outputFile.write(bytes((image.height,)))
|
|
|
|
for row in range(image.height):
|
|
outputByte = ""
|
|
bitCounter = 0
|
|
for column in range(image.width):
|
|
pixel = image.getpixel((column,row))
|
|
if bitCounter > 7:
|
|
outputFile.write(bytes((int(outputByte,2),)))
|
|
outputByte = ""
|
|
bitCounter = 0
|
|
if pixel > 128:
|
|
outputByte += "0"
|
|
else:
|
|
outputByte += "1"
|
|
bitCounter += 1
|
|
for i in range(0, paddingBits):
|
|
outputByte += "0"
|
|
outputFile.write(bytes((int(outputByte,2),)))
|
|
|
|
outputFile.close() |