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https://github.com/Next-Flip/Momentum-Firmware.git
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81 lines
2.0 KiB
Python
81 lines
2.0 KiB
Python
import heatshrink2
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import argparse
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import io
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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 (
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"?" * given_len
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if num_hex_chars > given_len
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else "0x" + extra_zeros + hex_result if num_hex_chars < given_len else None
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)
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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(
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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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args = vars(parser.parse_args())
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filename = args["infile"].split(".")[0]
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imageWidth = args["Width"]
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imageHeight = args["Height"]
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dims = str(imageWidth) + "x" + str(imageHeight)
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with open(args["infile"], "rb") as f:
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output = f.read()
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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)
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data_encoded_str = heatshrink2.compress(data_bin, window_sz2=8, lookahead_sz2=4)
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b = list(data_encoded_str)
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c = ",".join(padded_hex(my_int, 2) for my_int in b)
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# a bit ugly.
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framename = "_I_" + filename + "_" + dims
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print(len(b))
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# d=len(b)
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# if b > 255 split 0x1234 into 0x34,0x12
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# d=hex(len(b))
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char_out = "const uint8_t " + framename + "_0[] = {" + str(c) + ",};"
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char_out2 = "const uint8_t " + framename + "[] = {" + framename + "_0};"
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# data=bytes_out
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print(char_out)
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print(char_out2)
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# w.write(data)
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# w.close()
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