72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
"""
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Image resizing and drawing using the Pillow Library. For the image, check out the
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associated Adafruit Learn guide at:
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https://learn.adafruit.com/adafruit-eink-display-breakouts/python-code
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Written by Melissa LeBlanc-Williams for Adafruit Industries
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"""
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import digitalio
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import busio
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import board
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from PIL import Image
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from adafruit_epd.il0373 import Adafruit_IL0373
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from adafruit_epd.il91874 import Adafruit_IL91874 # pylint: disable=unused-import
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from adafruit_epd.il0398 import Adafruit_IL0398 # pylint: disable=unused-import
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from adafruit_epd.ssd1608 import Adafruit_SSD1608 # pylint: disable=unused-import
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from adafruit_epd.ssd1675 import Adafruit_SSD1675 # pylint: disable=unused-import
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# create the spi device and pins we will need
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spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
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ecs = digitalio.DigitalInOut(board.CE0)
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dc = digitalio.DigitalInOut(board.D22)
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srcs = None
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rst = digitalio.DigitalInOut(board.D27)
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busy = digitalio.DigitalInOut(board.D17)
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# give them all to our driver
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# display = Adafruit_SSD1608(200, 200, spi, # 1.54" HD mono display
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# display = Adafruit_SSD1675(122, 250, spi, # 2.13" HD mono display
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# display = Adafruit_IL91874(176, 264, spi, # 2.7" Tri-color display
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# display = Adafruit_IL0373(152, 152, spi, # 1.54" Tri-color display
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# display = Adafruit_IL0373(128, 296, spi, # 2.9" Tri-color display
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# display = Adafruit_IL0398(400, 300, spi, # 4.2" Tri-color display
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display = Adafruit_IL0373(
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104,
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212,
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spi, # 2.13" Tri-color display
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cs_pin=ecs,
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dc_pin=dc,
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sramcs_pin=srcs,
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rst_pin=rst,
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busy_pin=busy,
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)
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# IF YOU HAVE A FLEXIBLE DISPLAY (2.13" or 2.9") uncomment these lines!
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# display.set_black_buffer(1, False)
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# display.set_color_buffer(1, False)
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display.rotation = 1
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image = Image.open("blinka.png")
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# Scale the image to the smaller screen dimension
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image_ratio = image.width / image.height
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screen_ratio = display.width / display.height
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if screen_ratio < image_ratio:
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scaled_width = image.width * display.height // image.height
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scaled_height = display.height
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else:
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scaled_width = display.width
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scaled_height = image.height * display.width // image.width
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image = image.resize((scaled_width, scaled_height), Image.BICUBIC)
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# Crop and center the image
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x = scaled_width // 2 - display.width // 2
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y = scaled_height // 2 - display.height // 2
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image = image.crop((x, y, x + display.width, y + display.height))
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# Display image.
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display.image(image)
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display.display()
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