raspi_oled_i2c.py

#!/usr/bin/env python

# Ported from:
# https://github.com/adafruit/Adafruit_Python_SSD1306/blob/master/examples/shapes.py

from demo_opts import device
from oled.render import canvas
from PIL import ImageFont
from demo_opts import args
import time

font = ImageFont.load_default()


#with canvas(device) as draw:
# Draw some shapes.
# First define some constants to allow easy resizing of shapes.
padding = 2
shape_width = 20
top = padding
bottom = device.height - padding - 1

# Load default font.
font = ImageFont.load_default()

x = 0

# Alternatively load a TTF font.
# Some other nice fonts to try: http://www.dafont.com/bitmap.php
# font = ImageFont.truetype('../fonts/Volter__28Goldfish_29.ttf', 19)
font = ImageFont.truetype('../fonts/C&C Red Alert [INET].ttf', 25)


iteration = 0
ycenter = (device.height / 2)

offset = ycenter
operator = 3;

while iteration <= 100:
    x = 0
    y = round(offset)

    offset = offset + operator

    if offset > (device.height - 3):
        operator = -3
    
    if offset < ycenter:
        operator = 3

    with canvas(device) as draw:

        draw.text((10, 10), 'Hello World!',  font=font, fill=255)

        while x <= device.width:
            
            draw.line((x, y, (device.width / 2), 40), fill=255)
            
            x = x + 5
            
    iteration = iteration + 1

with canvas(device) as draw:
    draw.rectangle((0, 0, device.width-1, device.height-1), outline=255, fill=0)
    draw.text((10, 10), 'the end',  font=font, fill=255)

time.sleep(1)
with canvas(device) as draw:
    draw.rectangle((0, 0, device.width-1, device.height-1), outline=0, fill=0)