81 lines
2.4 KiB
Python
Executable file
81 lines
2.4 KiB
Python
Executable file
#!/usr/bin/env python
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import os, sys, argparse
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#NOTE: This script uses pygments for X256->RGB conversion since pygments is
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#readily available. If you do not like pygments (e.g. because it is large),
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#you could patch in something like https://github.com/magarcia/python-x256
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#(but don't forget to send me a pull request ;)
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from pygments.formatters import terminal256
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from PIL import Image, PngImagePlugin
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try:
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import re2 as re
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except:
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import re
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formatter = terminal256.Terminal256Formatter()
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def parse_escape_sequence(seq):
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codes = list(map(int, seq.lstrip('\x1b[').rstrip('m').split(';')))
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fg, bg = None, None
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i = 0
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while i<len(codes):
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if codes[i] in [38, 48]:
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if codes[i+1] == 5:
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c = formatter.xterm_colors[codes[i+2]]
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fg, bg = (c, bg) if codes[i] == 38 else (fg, c)
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i += 2
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elif codes[i] == 39:
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fg = (0,0,0,0)
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elif codes[i] == 49:
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bg = (0,0,0,0)
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i += 1
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return fg, bg
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def unpixelterm(text):
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lines = text.split('\n')
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h = len(lines)*2
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w = max([ len(re.sub(r'\x1b\[[0-9;]+m|\$.*\$', '', line)) for line in lines ])
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img = Image.new('RGBA', (w, h))
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fg, bg = (0,0,0,0), (0,0,0,0)
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x, y = 0, 0
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for escapeseq, specialstr, char, newline in re.findall(r'(\x1b\[[0-9;]+m)|(\$.*\$)|(.)|(\n)', text):
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if escapeseq:
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nfg, nbg = parse_escape_sequence(escapeseq)
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fg, bg = nfg or fg, nbg or bg
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elif specialstr:
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if specialstr.startswith('$$$'): #metadata
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pass
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elif specialstr == '$\\$':
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img.putpixel((x, y), (255, 0, 0, 127))
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img.putpixel((x, y+1), (255, 0, 0, 127))
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x += 1
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elif specialstr == '$/$':
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img.putpixel((x, y), (0, 0, 255, 127))
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img.putpixel((x, y+1), (0, 0, 255, 127))
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x += 1
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else: #(should be a) balloon
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bw = int(re.match(r'\$balloon([0-9]*)\$', specialstr).group(1))
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for i in range(x, x+bw):
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img.putpixel((i, y), (0, 255, 0, 127))
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img.putpixel((i, y+1), (0, 255, 0, 127))
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x += bw
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elif char:
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#Da magicks: ▀█▄
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c = {' ': (bg, bg),
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'█': (fg, fg),
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'▀': (fg, bg),
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'▄': (bg, fg)}[char]
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img.putpixel((x, y), c[0])
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img.putpixel((x, y+1), c[1])
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x += 1
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else: #newline
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x, y = 0, y+2
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return img
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(description='Convert images rendered by pixelterm-like utilities back to PNG')
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parser.add_argument('input', type=argparse.FileType('r'))
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parser.add_argument('output', type=str)
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args = parser.parse_args()
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img = unpixelterm(args.input.read())
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img.save(args.output)
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