Added new example. Requires fixed version of adafruit_framebuf

Author: makermelissa

.pre-commit-config.yaml

@@ -17,3 +17,4 @@ repos:
     -   id: check-yaml
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
+exclude: \.png$

examples/blinka_16x16.png

@@ -0,0 +1,2 @@
+# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
+# SPDX-License-Identifier: MIT

examples/blinka_16x16.png.license

@@ -0,0 +1,38 @@
+# SPDX-FileCopyrightText: 2020 Melissa LeBlanc-Williams, written for Adafruit Industries
+# SPDX-License-Identifier: MIT
+"""
+Be sure to check the learn guides for more usage information.
+
+This example is for use on (Linux) computers that are using CPython with
+Adafruit Blinka to support CircuitPython libraries. CircuitPython does
+not support PIL/pillow (python imaging library)!
+
+Author(s): Melissa LeBlanc-Williams for Adafruit Industries
+"""
+import board
+import neopixel
+from adafruit_pixel_framebuf import PixelFramebuffer
+from PIL import Image
+
+pixel_pin = board.D18
+pixel_width = 16
+pixel_height = 16
+
+pixels = neopixel.NeoPixel(
+    pixel_pin, pixel_width * pixel_height, brightness=0.1, auto_write=False,
+)
+
+pixel_framebuf = PixelFramebuffer(pixels, pixel_width, pixel_height, reverse_x=True,)
+
+# Make a black background in RGBA Mode
+image = Image.new("RGBA", (pixel_width, pixel_height))
+
+# Open the icon
+icon = Image.open("blinka_16x16.png")
+
+# Alpha blend the icon onto the background
+image.alpha_composite(icon)
+
+# Convert the image to RGB and display it
+pixel_framebuf.image(image.convert("RGB"))
+pixel_framebuf.display()

examples/pixel_framebuf_pillow_image.py

@@ -4,5 +4,5 @@
 # SPDX-License-Identifier: MIT
 
 Adafruit-Blinka
-adafruit-circuitpython-framebuf
+adafruit-circuitpython-framebuf>=1.4.2
 adafruit-circuitpython-led-animation

requirements.txt

@@ -36,7 +36,7 @@
     author_email="circuitpython@adafruit.com",
     install_requires=[
         "Adafruit-Blinka",
-        "adafruit-circuitpython-framebuf",
+        "adafruit-circuitpython-framebuf>=1.4.2",
         "adafruit-circuitpython-led-animation",
     ],
     # Choose your license