Xtool -mpng+reflate (1000+ HOT)

def rebuild_png_with_mpng(input_path, output_path, streams, recompress_level=6, replace_map=None): """Rebuild PNG with modified MPNG streams""" with open(input_path, 'rb') as fin, open(output_path, 'wb') as fout: fout.write(fin.read(8)) # PNG signature

PNG_SIGNATURE = b'\x89PNG\r\n\x1a\n' CHUNK_TYPE_MPNG = b'mPNg' # Custom MPNG chunk CHUNK_TYPE_IDAT = b'IDAT' CHUNK_TYPE_IEND = b'IEND' xtool -mpng+reflate

def extract_mpng_streams(png_path): """Extract all zlib-compressed streams from MPNG chunks""" streams = [] with open(png_path, 'rb') as f: # Verify PNG signature if f.read(8) != PNG_SIGNATURE: raise ValueError("Not a valid PNG file") 'rb') as fin

streams = extract_mpng_streams(input_png) if not streams: print("No MPNG chunks found.") return xtool -mpng+reflate