A.M. Rowsell
487f6ffb46
Added a few different exceptions that are likely to happen when trying to use this tool. It then offers useful feedback and quits.
104 lines
3.7 KiB
Python
Executable file
104 lines
3.7 KiB
Python
Executable file
#!/usr/bin/env python3
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# This Source Code Form is subject to the terms of the
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# Mozilla Public License, v. 2.0. If a copy of the MPL
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# was not distributed with this file, You can obtain
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# one at https://mozilla.org/MPL/2.0/.
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import sys
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print("MS Paint file converter utility v0.1")
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print("Written by A.M. Rowsell, MPL Version 2.0 license\n\n")
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if len(sys.argv) < 1:
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print("Please provide filename (without extension)!")
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filename = sys.argv[1]
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width = 0
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height = 0
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outputString = '''
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#define {0}_width {1}
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#define {0}_height {2}
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static unsigned char {0}_bits [] =
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'''
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outputData = b''
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try:
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with open(filename + ".MSP", 'rb') as f:
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versionString = f.read(4)
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if versionString == b'\x4c\x69\x6e\x53':
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version = 2
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elif versionString == b'\x44\x61\x6e\x4d':
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version = 1
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else:
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print("The given file {0}.MSP is not a valid Microsoft Paint file!".format(filename))
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sys.exit(255)
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if version == 2:
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print("Version 2 Paint file detected...")
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width = int.from_bytes(f.read(2), "little")
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height = int.from_bytes(f.read(2), "little")
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size = int((width * height) / 8)
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f.seek((height * 2) + 32) # seek to the start of image data
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while(byte := f.read(1)):
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if(int.from_bytes(byte, "little") == 0): # RLL-encoded
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rllLen = int.from_bytes(f.read(1), "little")
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rllValue = f.read(1)
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for i in range(0,rllLen):
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outputData += rllValue
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size -= 1
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else:
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rllLen = int.from_bytes(byte, "little")
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for i in range(0,rllLen):
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outputData += f.read(1)
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size -= 1
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print("Remaining size: {0}".format(size))
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for i in range(0, size):
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outputData += b'\xff'
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with open(filename + "_converted.xbm", 'w') as f:
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print("Writing output file...")
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f.write(outputString.format(filename, width, height))
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f.write(" {")
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q = 0
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for byte in outputData:
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result = int('{:08b}'.format(byte)[::-1], 2)
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f.write("0x" + '{:x}'.format(result) + ", ")
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q += 1
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if q >= 16:
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f.write("\n")
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q = 0
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f.write(" };")
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print("Done!")
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sys.exit(0)
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elif version == 1:
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print("Version 1 Paint detected...")
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width = int.from_bytes(f.read(2), "little")
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height = int.from_bytes(f.read(2), "little")
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f.seek(28)
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q = 0
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outputString = outputString.format(filename, width, height)
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outputString += " {\n"
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while(byte := f.read(1)):
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result = int('{:08b}'.format(int.from_bytes(byte, "big"))[::-1], 2)
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outputString += "0x" + '{:x}'.format(result) + ", "
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q += 1
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if q >= 16:
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outputString += "\n"
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q = 0
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outputString += " };"
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with open(filename + "_converted.xbm", 'w') as f:
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print("Writing output file...")
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f.write(outputString)
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print("Done!")
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sys.exit(0)
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except FileNotFoundError:
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print("{0}.MSP does not exist! Quitting...".format(filename))
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sys.exit(255)
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except PermissionError:
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print("Unable to open {0}.MSP -- insufficient permissions! Quitting...".format(filename))
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sys.exit(255)
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except Exception:
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print("Something went wrong! Quitting...")
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sys.exit(255)
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