mirror of
https://github.com/Next-Flip/Momentum-Firmware.git
synced 2026-04-25 03:29:58 -07:00
74 lines
2.0 KiB
Python
74 lines
2.0 KiB
Python
import logging
|
|
import argparse
|
|
import subprocess
|
|
import io
|
|
import os
|
|
import sys
|
|
|
|
|
|
|
|
def padded_hex(i, l):
|
|
given_int = i
|
|
given_len = l
|
|
|
|
hex_result = hex(given_int)[2:] # remove '0x' from beginning of str
|
|
num_hex_chars = len(hex_result)
|
|
extra_zeros = '0' * (given_len - num_hex_chars) # may not get used..
|
|
|
|
return ('0x' + hex_result if num_hex_chars == given_len else
|
|
'?' * given_len if num_hex_chars > given_len else
|
|
'0x' + extra_zeros + hex_result if num_hex_chars < given_len else
|
|
None)
|
|
|
|
parser = argparse.ArgumentParser(description='Turn cooked Flipper .bm files back into .xbm')
|
|
|
|
parser.add_argument('infile', metavar='i',
|
|
help='Input file')
|
|
parser.add_argument('outfile', metavar='o',
|
|
help='File to write to')
|
|
parser.add_argument('Width', metavar='W', type=int, nargs="?", default="128",
|
|
help='Width of the image. Find from meta.txt or directory name')
|
|
parser.add_argument('Height', metavar='H', type=int, nargs="?", default="64",
|
|
help='Height of the image. Find from meta.txt or directory name')
|
|
|
|
args = vars(parser.parse_args())
|
|
|
|
r = open(args["infile"],"rb")
|
|
w = open(args["outfile"],"w")
|
|
|
|
fileStream=r.read()
|
|
filename=os.path.splitext(os.path.basename(args["outfile"]))[0]
|
|
|
|
|
|
imageWidth=args["Width"]
|
|
imageHeight=args["Height"]
|
|
|
|
|
|
#remove headers and padding
|
|
if(fileStream[0:2] == bytes([0x01,0x00])):
|
|
unpad=fileStream[4:]
|
|
else:
|
|
if(fileStream[0:1] == bytes([0x00])):
|
|
unpad=fileStream[2:]
|
|
|
|
|
|
|
|
#lzss decompress
|
|
data_decoded_str = subprocess.check_output(
|
|
["heatshrink", "-d","-w8","-l4"], input=unpad
|
|
)
|
|
|
|
#turn it back into xbm
|
|
|
|
b=list(data_decoded_str)
|
|
c=', '.join(padded_hex(my_int,2) for my_int in b)
|
|
|
|
width_out = "#define "+ filename+ "_width "+ str(imageWidth) + "\n"
|
|
height_out = "#define "+ filename+ "_height "+ str(imageHeight) + "\n"
|
|
bytes_out = "static unsigned char "+ filename+ "_bits[] = {"+ str(c) + "};"
|
|
|
|
data=width_out+height_out+bytes_out
|
|
|
|
w.write(data)
|
|
r.close()
|
|
w.close() |