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Scrolling ASCII text in console using Python
# -*- coding: utf-8 -*-
"""
A tool for scrolling input text as ASCII art text banner in console
"""
import os
import time
from PIL import Image, ImageDraw, ImageFont
def init_console(cols, lines):
os.system('mode con: cols=%s lines=%s' % (cols, lines))
def clear_console():
os.system('cls' if os.name == 'nt' else 'clear')
def get_text_size(font, text):
return font.getsize(text)
def text_to_ascii_text(font, text, cols, lines):
"""Convert text to ASCII art text banner"""
image = Image.new('RGB', (cols - 1, lines - 1), (255, 255, 255))
draw = ImageDraw.Draw(image)
draw.text((0, 0), text, fill='black', font=font)
width, height = image.size
pixels = image.load()
# convert image pixels to ASCII art
out = ''
for y in range(height):
for x in range(width):
pix = pixels[x, y]
if pix != (255, 255, 255):
out += '#'
else:
out += ' '
out += '\n'
return out
def main():
"""Main"""
text = 'Scrolling ASCII text in console.'
font = ImageFont.load_default()
# font = ImageFont.truetype('arial.ttf', 16)
# get size of space char
space_width = get_text_size(font, ' ')[0]
# get size of text
text_height = get_text_size(font, text)[1]
# resize console
cols = 100
lines = int(text_height * 1.25)
init_console(cols, lines)
# add some padding to the text
padding = ' ' * int(cols / space_width + 1)
text = padding + text
index = 0
try:
while True:
clear_console()
print(text_to_ascii_text(font, text[index:], cols, lines))
index += 1
if index > len(text):
index = 0
time.sleep(0.1)
except KeyboardInterrupt:
pass
if __name__ == '__main__':
main()

Traceback (most recent call last):
File "scrolling_text.py", line 71, in
main()
File "scrolling_text.py", line 55, in main
padding = ' ' * (cols / space_width + 1)
TypeError: can't multiply sequence by non-int of type 'float'

Owner

delimitry commented Dec 21, 2017

Updated. Thanks @datatalking!

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