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#!/usr/bin/env python
import os, sys, argparse, os.path
#NOTE: This script uses pygments for RGB->X256 conversion since pygments is
#readily available. If you do not like pygments (e.g. because it is large),
#you could patch in something like https://github.com/magarcia/python-x256
#(but don't forget to send me a pull request ;)
from pygments.formatters import terminal256
from PIL import Image, PngImagePlugin
formatter = terminal256.Terminal256Formatter()
reset_sequence = terminal256.EscapeSequence(fg=formatter._closest_color(0,0,0), bg=formatter._closest_color(0,0,0)).reset_string()
def termify_pixels(img):
sx, sy = img.size
out = ''
fg,bg = None,None
fgd,bgd = {},{}
def bgescape(color):
nonlocal bg
if bg == color:
return ''
bg=color
r,g,b,a = color
if color in bgd:
return bgd[color]
bgd[color] = terminal256.EscapeSequence(bg=formatter._closest_color(r,g,b)).color_string()
if color == (0,0,0,0):
bgd[color] = terminal256.EscapeSequence(bg=formatter._closest_color(0,0,0)).reset_string()
return bgd[color]
def fgescape(color):
nonlocal fg
if fg == color:
return ''
fg=color
r,g,b,_ = color
fgd[color]= terminal256.EscapeSequence(fg=formatter._closest_color(r,g,b)).color_string()
return fgd[color]
def balloon(x,y):
if x+1 == img.size[0] or img.getpixel((x+1, y)) != (0,255,0,127):
w = 0
while x-w >= 0 and img.getpixel((x-w, y)) == (0,255,0,127):
w += 1
return '$balloon{}$'.format(w+1)
return ''
for y in range(0, sy, 2):
for x in range(sx):
coltop = img.getpixel((x, y))
colbot = img.getpixel((x, y+1)) if y+1 < img.size[1] else (0,0,0,0)
if coltop[3] == 127: #Control colors
out += reset_sequence
out += {(255, 0, 0, 127): lambda x,y:'$\\$',
(0, 0, 255, 127): lambda x,y:'$/$',
(0, 255, 0, 127): balloon
}.get(coltop, lambda x,y:' ')(x,y)
continue
if coltop[3] != 255:
coltop = (0,0,0,0)
if colbot[3] != 255:
colbot = (0,0,0,0)
#Da magicks: ▀█▄
c,cf = '▀','█'
te,be = fgescape,bgescape
if coltop == (0,0,0,0) or ((coltop == bg or colbot == fg) and not colbot == (0,0,0,0)):
c,cf,te,be = '▄',' ',be,te
if colbot == coltop:
c,te,be = cf,te,te
out += te(coltop) + be(colbot) + c
out = out.rstrip() + '\n'
return out[:-1] + reset_sequence + '\n'
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Render pixel images on 256-color ANSI terminals')
parser.add_argument('image', type=str, nargs='*')
parser.add_argument('-d', '--output-dir', type=str, help='Output directory (if not given, output to stdout)')
args = parser.parse_args()
for f in args.image:
img = Image.open(f).convert("RGBA")
if args.output_dir:
print(f)
foo, _, _ = f.rpartition('.png')
output = os.path.join(args.output_dir, os.path.basename(foo)+'.pony')
with open(output, 'w') as of:
of.write(termify_pixels(img))
else:
print(termify_pixels(img))
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