adafruit-mirror/Adafruit_CircuitPython_EPD
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Merge pull request #33 from makermelissa/master

Browse source 
Added EPD Pillow Shapes and Text demo
This commit is contained in:
Melissa LeBlanc-Williams 2019-10-22 10:35:12 -07:00 committed by GitHub
commit 92323d3384
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 77 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

77
examples/epd_pillow_demo.py Normal file
View file

@ -0,0 +1,77 @@
"""
ePaper Display Shapes and Text demo using the Pillow Library.
Written by Melissa LeBlanc-Williams for Adafruit Industries
"""
import digitalio
import busio
import board
from PIL import Image, ImageDraw, ImageFont
from adafruit_epd.il0373 import Adafruit_IL0373
from adafruit_epd.il91874 import Adafruit_IL91874 # pylint: disable=unused-import
from adafruit_epd.il0398 import Adafruit_IL0398 # pylint: disable=unused-import
from adafruit_epd.ssd1608 import Adafruit_SSD1608 # pylint: disable=unused-import
from adafruit_epd.ssd1675 import Adafruit_SSD1675 # pylint: disable=unused-import
# First define some color constants
WHITE = (0xFF, 0xFF, 0xFF)
BLACK = (0x00, 0x00, 0x00)
RED = (0xFF, 0x00, 0x00)
# Next define some constants to allow easy resizing of shapes and colors
BORDER = 20
FONTSIZE = 24
BACKGROUND_COLOR = BLACK
FOREGROUND_COLOR = WHITE
TEXT_COLOR = RED
# create the spi device and pins we will need
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
ecs = digitalio.DigitalInOut(board.CE0)
dc = digitalio.DigitalInOut(board.D22)
srcs = None
rst = digitalio.DigitalInOut(board.D27)
busy = digitalio.DigitalInOut(board.D17)
# give them all to our driver
#display = Adafruit_SSD1608(200, 200, spi, # 1.54" HD mono display
#display = Adafruit_SSD1675(122, 250, spi, # 2.13" HD mono display
#display = Adafruit_IL91874(176, 264, spi, # 2.7" Tri-color display
#display = Adafruit_IL0373(152, 152, spi, # 1.54" Tri-color display
#display = Adafruit_IL0373(128, 296, spi, # 2.9" Tri-color display
#display = Adafruit_IL0398(400, 300, spi, # 4.2" Tri-color display
display = Adafruit_IL0373(104, 212, spi, # 2.13" Tri-color display
cs_pin=ecs, dc_pin=dc, sramcs_pin=srcs,
rst_pin=rst, busy_pin=busy)
# IF YOU HAVE A FLEXIBLE DISPLAY (2.13" or 2.9") uncomment these lines!
#display.set_black_buffer(1, False)
#display.set_color_buffer(1, False)
display.rotation = 1
image = Image.new('RGB', (display.width, display.height))
# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)
# Draw a filled box as the background
draw.rectangle((0, 0, display.width, display.height), fill=BACKGROUND_COLOR)
# Draw a smaller inner foreground rectangle
draw.rectangle((BORDER, BORDER, display.width - BORDER - 1, display.height - BORDER - 1),
fill=FOREGROUND_COLOR)
# Load a TTF Font
font = ImageFont.truetype('/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf', FONTSIZE)
# Draw Some Text
text = "Hello World!"
(font_width, font_height) = font.getsize(text)
draw.text((display.width//2 - font_width//2, display.height//2 - font_height//2),
text, font=font, fill=TEXT_COLOR)
# Display image.
display.image(image)
display.display()