Merge pull request #42 from FoamyGuy/magtag_example

MagTag example

Author: ladyada

examples/imageload_magtag_simpletest.py

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+"""
+Basic imageload example script
+adapted for use on MagTag.
+"""
+import time
+import board
+import displayio
+import adafruit_imageload
+
+# use built in display (PyPortal, PyGamer, PyBadge, CLUE, etc.)
+# see guide for setting up external displays (TFT / OLED breakouts, RGB matrices, etc.)
+# https://learn.adafruit.com/circuitpython-display-support-using-displayio/display-and-display-bus
+display = board.DISPLAY
+
+# wait until the display is ready
+time.sleep(display.time_to_refresh)
+
+image, palette = adafruit_imageload.load("images/magtag_2x2_test.bmp")
+
+tile_grid = displayio.TileGrid(image, pixel_shader=palette)
+
+# scale 8 for full screen
+group = displayio.Group(scale=8)
+group.append(tile_grid)
+
+# show the group and refresh
+display.show(group)
+display.refresh()
+
+while True:
+    pass

examples/images/magtag_2x2_test.bmp

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+# SPDX-FileCopyrightText: 2020 Foamyguy
+#
+# SPDX-License-Identifier: Unlicense