1  # SPDX-FileCopyrightText: 2019 Carter Nelson for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import board
 6  import displayio
 7  
 8  display = board.DISPLAY
 9  
10  # Create a bitmap with two colors
11  bitmap = displayio.Bitmap(display.width, display.height, 2)
12  
13  # Create a two color palette
14  palette = displayio.Palette(2)
15  palette[0] = 0x000000
16  palette[1] = 0xffffff
17  
18  # Create a TileGrid using the Bitmap and Palette
19  tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette)
20  
21  # Create a Group
22  group = displayio.Group()
23  
24  # Add the TileGrid to the Group
25  group.append(tile_grid)
26  
27  # Add the Group to the Display
28  display.show(group)
29  
30  # Draw a pixel
31  bitmap[80, 50] = 1
32  
33  # Draw even more pixels
34  for x in range(150, 170):
35      for y in range(100, 110):
36          bitmap[x, y] = 1
37  
38  # Loop forever so you can enjoy your image
39  while True:
40      pass