1  """
 2  ePaper Display Shapes and Text demo using the Pillow Library.
 3  
 4  Written by Melissa LeBlanc-Williams for Adafruit Industries
 5  """
 6  
 7  import digitalio
 8  import busio
 9  import board
10  from PIL import Image, ImageDraw, ImageFont
11  from adafruit_epd.il0373 import Adafruit_IL0373
12  from adafruit_epd.il91874 import Adafruit_IL91874  # pylint: disable=unused-import
13  from adafruit_epd.il0398 import Adafruit_IL0398  # pylint: disable=unused-import
14  from adafruit_epd.ssd1608 import Adafruit_SSD1608  # pylint: disable=unused-import
15  from adafruit_epd.ssd1675 import Adafruit_SSD1675  # pylint: disable=unused-import
16  
17  # First define some color constants
18  WHITE = (0xFF, 0xFF, 0xFF)
19  BLACK = (0x00, 0x00, 0x00)
20  RED = (0xFF, 0x00, 0x00)
21  
22  # Next define some constants to allow easy resizing of shapes and colors
23  BORDER = 20
24  FONTSIZE = 24
25  BACKGROUND_COLOR = BLACK
26  FOREGROUND_COLOR = WHITE
27  TEXT_COLOR = RED
28  
29  # create the spi device and pins we will need
30  spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
31  ecs = digitalio.DigitalInOut(board.CE0)
32  dc = digitalio.DigitalInOut(board.D22)
33  srcs = None
34  rst = digitalio.DigitalInOut(board.D27)
35  busy = digitalio.DigitalInOut(board.D17)
36  
37  # give them all to our driver
38  # display = Adafruit_SSD1608(200, 200,        # 1.54" HD mono display
39  # display = Adafruit_SSD1675(122, 250,        # 2.13" HD mono display
40  # display = Adafruit_IL91874(176, 264,        # 2.7" Tri-color display
41  # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
42  # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display
43  # display = Adafruit_IL0398(400, 300,         # 4.2" Tri-color display
44  display = Adafruit_IL0373(
45      104,
46      212,  # 2.13" Tri-color display
47      spi,
48      cs_pin=ecs,
49      dc_pin=dc,
50      sramcs_pin=srcs,
51      rst_pin=rst,
52      busy_pin=busy,
53  )
54  
55  # IF YOU HAVE A FLEXIBLE DISPLAY (2.13" or 2.9") uncomment these lines!
56  # display.set_black_buffer(1, False)
57  # display.set_color_buffer(1, False)
58  
59  display.rotation = 1
60  
61  image = Image.new("RGB", (display.width, display.height))
62  
63  # Get drawing object to draw on image.
64  draw = ImageDraw.Draw(image)
65  
66  # Draw a filled box as the background
67  draw.rectangle((0, 0, display.width, display.height), fill=BACKGROUND_COLOR)
68  
69  # Draw a smaller inner foreground rectangle
70  draw.rectangle(
71      (BORDER, BORDER, display.width - BORDER - 1, display.height - BORDER - 1),
72      fill=FOREGROUND_COLOR,
73  )
74  
75  # Load a TTF Font
76  font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", FONTSIZE)
77  
78  # Draw Some Text
79  text = "Hello World!"
80  (font_width, font_height) = font.getsize(text)
81  draw.text(
82      (display.width // 2 - font_width // 2, display.height // 2 - font_height // 2),
83      text,
84      font=font,
85      fill=TEXT_COLOR,
86  )
87  
88  # Display image.
89  display.image(image)
90  display.display()