techoverload/printer/printer.py

84 lines
2.4 KiB
Python
Executable File

import StarTSPImage
from PIL import Image, ImageDraw, ImageFont, ImageOps
import textwrap
import random
import paho.mqtt.client as mqtt
# The callback for when the client receives a CONNACK response from the server.
def on_connect(client, userdata, flags, rc):
print("Connected with result code "+str(rc))
# Subscribing in on_connect() means that if we lose the connection and
# reconnect then subscriptions will be renewed.
client.subscribe("print")
# The callback for when a PUBLISH message is received from the server.
def on_message(client, userdata, msg):
print("Print")
with open("printer/locations.txt") as locations:
lines = locations.read().splitlines()
location = random.choice(lines)
with open("printer/actions.txt") as actions:
lines = actions.read().splitlines()
action = random.choice(lines)
with open("printer/adverbs.txt") as adverb:
lines = adverb.read().splitlines()
adverb = random.choice(lines)
if random.randint(0,1):
im=Image.open("printer/image.jpg")
else:
im=Image.open("printer/image2.jpg")
# f = ImageFont.load_default()
f = ImageFont.truetype("printer/SilkRemington-Regular.otf", 40)
txt=Image.new('L', (1000,230))
d = ImageDraw.Draw(txt)
text = "While {}, {}, {}".format(location, action, adverb)
text_short = "By the DJ, offer a stranger a drink"
text_long = "In the outdoor area, ask someone would you rather be known for always being honest or always being kind"
lines = textwrap.wrap(text, width=23)
if len(lines) > 2:
im=Image.open("printer/image.jpg")
else:
im=Image.open("printer/image2.jpg")
y = 0
n = 0
for line in lines:
n += 1
width, height = f.getsize(line)
d.text(((1000-width)/2, y), line, font=f, fill=255)
y += height
w=txt.rotate(-90, expand=1)
print(n)
im.paste( ImageOps.colorize(w, (0,0,0), (0,0,0)), ( (n-5)*20 + 127, 5), w)
im.show()
im.save("image_tmp.jpg")
raster = StarTSPImage.imageToRaster(im, cut=True)
printer = open('/dev/usb/lp0', "wb")
#printer.write(raster)
client = mqtt.Client()
client.on_connect = on_connect
client.on_message = on_message
client.connect("", 1883, 60)
# Blocking call that processes network traffic, dispatches callbacks and
# handles reconnecting.
# Other loop*() functions are available that give a threaded interface and a
# manual interface.
client.loop_forever()