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unscii2raw.py
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unscii2raw.py
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import argparse
def find_glyph(file, codepoint):
for line in file:
code, glyph = line.split(":")
c = int(code, 16)
if c == codepoint:
return glyph
return None
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Converts UNSCII .hex files into C header file with raw bytes"
)
parser.add_argument(
"-B", "--bytes", help="number of bytes per character (8 for UNSCII-8, 16 for UNSCII-16)", default=8, type=int)
parser.add_argument("input_file", type=argparse.FileType("r"))
parser.add_argument(
"output_file", type=argparse.FileType("w", encoding="UTF-8"))
args = parser.parse_args()
output_data = []
with args.input_file as f:
for i in range(256):
c = i.to_bytes(1, "little").decode("latin-1")
codepoint = ord(c)
glyph = find_glyph(f, codepoint)
if glyph is None:
raise Exception("Glyph '{}' not found".format(c))
f.seek(0)
for i in range(0, args.bytes * 2, 2):
byte = int(glyph[i:i + 2], 16)
output_data.append(byte)
with args.output_file as f:
f.write(
f"static const unsigned int DBGP_UNSCII{args.bytes}_WIDTH = 8;\n")
f.write(
f"static const unsigned int DBGP_UNSCII{args.bytes}_HEIGHT = {args.bytes};\n")
f.write(
f"static const unsigned int DBGP_UNSCII{args.bytes}_NB_GLYPHS = 256;\n")
f.write(
f"static const unsigned char DBGP_UNSCII{args.bytes}[256 * {args.bytes}] = {{")
f.write(", ".join(map(hex, output_data)))
f.write("};\n")