def sendToPrinter(message):
print 'Printing message:', message
printer = Adafruit_Thermal("/dev/ttyAMA0", 19200, timeout=5)
printer.wake()
font = FontRenderer('font/inconsolata.png','font/inconsolata.json')
# print messsage character by character
for character in list(message):
symbol = font.getCharacterImage(character)
symbol = symbol.rotate(270,0,True)
symbol = font.makeBgWhite(symbol)
# offset rotated character
#img = Image.new("RGB", (PRINTER_WIDTH_PIXELS, symbol.size[0]), (255, 255, 255))
#img.paste(symbol, box=(( PRINTER_WIDTH_PIXELS - font.fontSize() ) / 2, 0))
printer.printImage(symbol)
#printer.println(message)
# give out some paper
printer.feed(3)
printer.sleep()
print 'done.'
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Author: Lutz Reiter, Design Research Lab, Universität der Künste Berlin
# @Date: 2016-01-25 16:17:08
# @Last Modified by: lutz
# @Last Modified time: 2016-01-25 19:04:52
from lib.FontRenderer import *
from PIL import Image
font = FontRenderer("font/inconsolata.png", "font/inconsolata.json", (200,200) );
img = font.getCharacterImage('P')
#img = img.rotate(90,0,True)
img = font.makeBgWhite(img)
bg = Image.new("RGB", (img.size[0], 500), (255, 255, 255))
bg.paste(img, box=(0, (500 - font.fontSize()) /2))
bg.show();
