Merge pull request #3137 from adafruit/eink_uber_guide

one last eink example (hopefully)

Author: BlitzCityDIY

Bare_eInk_Guide/340x180_quadcolor_python/code.py

@@ -0,0 +1,98 @@
+# SPDX-FileCopyrightText: 2019 Melissa LeBlanc-Williams for Adafruit Industries
+# SPDX-License-Identifier: MIT
+
+"""
+ePaper Display Shapes and Text demo using the Pillow Library.
+3.52" Quad Color 384x180 display
+https://www.adafruit.com/product/6414
+"""
+
+import board
+import busio
+import digitalio
+from PIL import Image, ImageDraw, ImageFont
+
+from adafruit_epd.jd79667 import Adafruit_JD79667
+
+# RGB colors
+WHITE = (255, 255, 255)
+BLACK = (0, 0, 0)
+RED = (255, 0, 0)
+YELLOW = (255, 255, 0)
+
+# Create the SPI device and pins
+spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
+ecs = digitalio.DigitalInOut(board.CE0)
+dc = digitalio.DigitalInOut(board.D22)
+srcs = None  # No SRAM
+rst = digitalio.DigitalInOut(board.D27)
+busy = digitalio.DigitalInOut(board.D17)
+
+display = Adafruit_JD79667(
+    180,
+    384,
+    spi,
+    cs_pin=ecs,
+    dc_pin=dc,
+    sramcs_pin=srcs,
+    rst_pin=rst,
+    busy_pin=busy,
+)
+
+display.rotation = 3
+
+# Get display dimensions
+width = display.width
+height = display.height
+image = Image.new("RGB", (width, height))
+# Get drawing object
+draw = ImageDraw.Draw(image)
+
+# Fill background with white
+draw.rectangle((0, 0, width, height), fill=WHITE)
+
+# Draw a border
+draw.rectangle((0, 0, width - 1, height - 1), outline=BLACK, fill=WHITE)
+
+# Draw some shapes to demonstrate all four colors
+padding = 10
+shape_width = 30
+top = padding + 10
+bottom = height - padding - 10
+
+# Starting x position
+x = padding + 10
+
+# Draw an ellipse filled with red
+draw.ellipse((x, top, x + shape_width, bottom), outline=RED, fill=None)
+x += shape_width + padding
+
+# Draw a rectangle filled with yellow
+draw.rectangle((x, top, x + shape_width, bottom), outline=YELLOW, fill=BLACK)
+x += shape_width + padding
+
+# Draw a triangle filled with red
+draw.polygon(
+    [(x, bottom), (x + shape_width / 2, top), (x + shape_width, bottom)],
+    outline=BLACK,
+    fill=YELLOW,
+)
+x += shape_width + padding
+
+# Draw an X with red and yellow lines
+draw.line((x, bottom, x + shape_width, top), fill=RED)
+draw.line((x, top, x + shape_width, bottom), fill=BLACK)
+x += shape_width + padding
+
+# Add some text
+font = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 28)
+
+# Draw text in different colors
+draw.text((x, top), "Hello", font=font, fill=BLACK)
+draw.text((x, top + 28), "World!", font=font, fill=RED)
+draw.text((x, top + (28*2)), "Quad", font=font, fill=YELLOW)
+draw.text((x, top + (28*3)), "Color!", font=font, fill=BLACK)
+
+display.image(image)
+
+display.display()