Merge pull request #33 from makermelissa/master

Added EPD Pillow Shapes and Text demo

examples/epd_pillow_demo.py

@@ -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()