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-rwxr-xr-xunpixelterm.py85
1 files changed, 51 insertions, 34 deletions
diff --git a/unpixelterm.py b/unpixelterm.py
index b5a9bf4..4091dfb 100755
--- a/unpixelterm.py
+++ b/unpixelterm.py
@@ -33,49 +33,66 @@ def parse_escape_sequence(seq):
def unpixelterm(text):
lines = text.split('\n')
+ metadata = {}
+ try:
+ first = lines.index('$$$')
+ second = lines[first+1:].index('$$$')
+ foo = [ line.split(': ') for line in lines[first+1:second] if line != '' ]
+ d = {}
+ for k,v in foo:
+ if k not in ['WIDTH', 'HEIGHT']:
+ d[k.lower()] = d.get(k.lower(), []) + [v]
+ metadata.update(d)
+ lines[first:] = lines[first+1+second+1:]
+ except:
+ pass
+
h = len(lines)*2
w = max([ len(re.sub(r'\x1b\[[0-9;]+m|\$.*\$', '', line)) for line in lines ])
img = Image.new('RGBA', (w, h))
fg, bg = (0,0,0,0), (0,0,0,0)
x, y = 0, 0
- for escapeseq, specialstr, char, newline in re.findall(r'(\x1b\[[0-9;]+m)|(\$.*\$)|(.)|(\n)', text):
- if escapeseq:
- nfg, nbg = parse_escape_sequence(escapeseq)
- fg, bg = nfg or fg, nbg or bg
- elif specialstr:
- if specialstr.startswith('$$$'): #metadata
- pass
- elif specialstr == '$\\$':
- img.putpixel((x, y), (255, 0, 0, 127))
- img.putpixel((x, y+1), (255, 0, 0, 127))
- x += 1
- elif specialstr == '$/$':
- img.putpixel((x, y), (0, 0, 255, 127))
- img.putpixel((x, y+1), (0, 0, 255, 127))
+ for line in lines:
+ for escapeseq, specialstr, char in re.findall(r'(\x1b\[[0-9;]+m)|(\$[^$]+\$)|(.)', line, re.DOTALL):
+ if escapeseq:
+ nfg, nbg = parse_escape_sequence(escapeseq)
+ fg, bg = nfg or fg, nbg or bg
+ elif specialstr:
+ if specialstr == '$\\$':
+ img.putpixel((x, y), (255, 0, 0, 127))
+ img.putpixel((x, y+1), (255, 0, 0, 127))
+ x += 1
+ elif specialstr == '$/$':
+ img.putpixel((x, y), (0, 0, 255, 127))
+ img.putpixel((x, y+1), (0, 0, 255, 127))
+ x += 1
+ else: #(should be a) balloon
+ bw = int(re.match(r'\$balloon([0-9]*)\$', specialstr).group(1))
+ for i in range(x, x+bw):
+ img.putpixel((i, y), (0, 255, 0, 127))
+ img.putpixel((i, y+1), (0, 255, 0, 127))
+ x += bw
+ elif char:
+ #Da magicks: ▀█▄
+ c = {' ': (bg, bg),
+ '█': (fg, fg),
+ '▀': (fg, bg),
+ '▄': (bg, fg)}[char]
+ img.putpixel((x, y), c[0])
+ img.putpixel((x, y+1), c[1])
x += 1
- else: #(should be a) balloon
- bw = int(re.match(r'\$balloon([0-9]*)\$', specialstr).group(1))
- for i in range(x, x+bw):
- img.putpixel((i, y), (0, 255, 0, 127))
- img.putpixel((i, y+1), (0, 255, 0, 127))
- x += bw
- elif char:
- #Da magicks: ▀█▄
- c = {' ': (bg, bg),
- '█': (fg, fg),
- '▀': (fg, bg),
- '▄': (bg, fg)}[char]
- img.putpixel((x, y), c[0])
- img.putpixel((x, y+1), c[1])
- x += 1
- else: #newline
- x, y = 0, y+2
- return img
+ x, y = 0, y+2
+ return img, metadata
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Convert images rendered by pixelterm-like utilities back to PNG')
parser.add_argument('input', type=argparse.FileType('r'))
parser.add_argument('output', type=str)
args = parser.parse_args()
- img = unpixelterm(args.input.read())
- img.save(args.output)
+ img, metadata = unpixelterm(args.input.read())
+ print('Metadata:')
+ pnginfo = PngImagePlugin.PngInfo()
+ for k, v in metadata.items():
+ print('{:15}: {}'.format(k, '/'.join(v)))
+ pnginfo.add_text(k, '/'.join(v))
+ img.save(args.output, 'PNG', pnginfo=pnginfo)