import socket
import time
import unicornhathd
try:
from PIL import Image, ImageDraw, ImageFont
except ImportError:
exit('This script requires the pillow module\nInstall with: sudo pip install pillow')
def get_ip():
# get IP address
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.connect(('8.8.8.8', 80))
my_ip = s.getsockname()[0]
print(my_ip)
s.close()
return my_ip
def create_image_from_text(in_text):
colours = (255, 255, 250)
font_file = '/usr/share/fonts/truetype/freefont/FreeSansBold.ttf'
font_size = 12
font = ImageFont.truetype(font_file, font_size)
w, h = font.getsize(in_text)
text_x, text_y = width, 0
text_width, text_height = width, 0
text_width += w + width # add some padding so the ip scrolls off the unicorn hat
text_height = max(text_height, h, 16) # no more than the size of the unicorn hat
image = Image.new('RGB', (text_width, text_height), (0, 0, 0))
draw = ImageDraw.Draw(image)
draw.text((text_x, text_y), in_text, colours, font=font)
return (image, text_width)
# DISPLAY
def scroll_txt(image, text_width):
unicornhathd.rotation(0)
for scroll in range(text_width - width):
for x in range(width):
for y in range(height):
pixel = image.getpixel((x + scroll, y))
r, g, b = [int(n) for n in pixel]
unicornhathd.set_pixel(width - 1 - x, y, r, g, b)
unicornhathd.show()
time.sleep(0.02)
unicornhathd.off()
# one stop call for scrolling text
def scroll_text(in_txt):
image, text_width = create_image_from_text(in_txt)
scroll_txt(image, text_width)
if __name__ == '__main__':
width, height = unicornhathd.get_shape() # 16, 16 by default
my_ip = get_ip()
scroll_text(my_ip)
