Converts a PNG image to an echo command with ANSI codes. Example: https://i.imgur.com/Kw6LUbG.png

png2ansi.py

#!/usr/bin/env python3

# Converts a PNG image to an echo command with ANSI codes

# Copyright (c) 2020, Frank Buss
# All rights reserved.

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:

# 1. Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.

# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.

# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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from PIL import Image
import numpy as np
import math
import sys
import argparse

# parse arguments
parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter,
    description='Converts a PNG file to an echo command with ANSI codes.\n\n'
    'Examples:\n\n'
    'png2ansi.py image.png\n'
    'Read the PNG image image.png and outputs the echo command.\n\n')
parser.add_argument('input', help='the PNG input file name')
args = parser.parse_args()

# load image
im = Image.open(args.input)
im = im.convert('RGBA')
p = np.array(im)

# convert to ANSI sequence
for y in range(im.height):
    sys.stdout.write('echo -e "')
    for x in range(im.width):
        # get pixel color
        r, g, b, a = p[y][x]
            
        # write echo code
        sys.stdout.write("\\e[48;2;%d;%d;%dm" % (r, g, b))
        sys.stdout.write("  ")
    sys.stdout.write('\\e[0m"\n')
sys.stdout.write('echo "png2ansi converter by Frank Buss"\n')