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#!/usr/bin/env python
import os, sys, argparse
#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
def termify_pixels(img):
sx, sy = img.size
out = ''
formatter = terminal256.Terminal256Formatter()
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]
#NOTE: This ignores the last line if there is an odd number of lines.
for y in range(0, sy-1, 2):
for x in range(sx):
coltop = img.getpixel((x, y))
colbot = img.getpixel((x, y+1))
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:
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'
out += terminal256.EscapeSequence(fg=formatter._closest_color(0,0,0), bg=formatter._closest_color(0,0,0)).reset_string()
return out
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='Render pixel images on 256-color ANSI terminals')
parser.add_argument('image', type=str)
args = parser.parse_args()
img = Image.open(args.image).convert("RGBA")
print(termify_pixels(img))
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