mirror of
https://github.com/Next-Flip/Momentum-Firmware.git
synced 2026-04-25 03:29:58 -07:00
88 lines
2.2 KiB
Python
88 lines
2.2 KiB
Python
import logging
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import argparse
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import subprocess
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import io
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import os
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import sys
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def padded_hex(i, l):
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given_int = i
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given_len = l
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hex_result = hex(given_int)[2:] # remove '0x' from beginning of str
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num_hex_chars = len(hex_result)
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extra_zeros = "0" * (given_len - num_hex_chars) # may not get used..
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return (
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"0x" + hex_result
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if num_hex_chars == given_len
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else "?" * given_len
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if num_hex_chars > given_len
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else "0x" + extra_zeros + hex_result
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if num_hex_chars < given_len
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else None
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)
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parser = argparse.ArgumentParser(description="Turn icon char arrays back into .xbm")
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parser.add_argument("infile", metavar="i", help="Input file")
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parser.add_argument("outfile", metavar="o", help="File to write to")
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parser.add_argument(
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"Width",
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metavar="W",
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type=int,
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nargs="?",
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default="128",
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help="Width of the image. Find from meta.txt or directory name",
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)
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parser.add_argument(
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"Height",
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metavar="H",
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type=int,
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nargs="?",
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default="64",
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help="Height of the image. Find from meta.txt or directory name",
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)
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parser.add_argument(
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"Trim",
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metavar="T",
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type=int,
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nargs="?",
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default="8",
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help="Number of bytes off the start/header to trim. Multiples of 2 required.",
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)
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args = vars(parser.parse_args())
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r = open(args["infile"], "r")
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w = open(args["outfile"], "w")
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imageWidth = args["Width"]
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imageHeight = args["Height"]
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trimStart = args["Trim"]
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output = subprocess.check_output(["cat", args["infile"]]) # yes this is terrible.
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f = io.StringIO(output.decode().strip())
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data = f.read().strip().replace(";", "").replace("{", "").replace("}", "")
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data_str = data.replace(",", "").replace("0x", "")
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data_bin = bytearray.fromhex(data_str[trimStart:])
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data_decoded_str = subprocess.check_output(
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["heatshrink", "-d", "-w8", "-l4"], input=data_bin
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)
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b = list(data_decoded_str)
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c = ", ".join(padded_hex(my_int, 2) for my_int in b)
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width_out = "#define icon_width " + str(imageWidth) + "\n"
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height_out = "#define icon_height " + str(imageHeight) + "\n"
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bytes_out = "static unsigned char icon_bits[] = {" + str(c) + "};"
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data = width_out + height_out + bytes_out
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w.write(data)
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r.close()
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w.close()
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