adafruit-mirror/Adafruit_CircuitPython_IL91874
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use new OnDiskBitmap API

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foamyguy 2025-06-27 11:20:42 -05:00
parent fba3612448
commit 3a27d03d95
2 changed files with 22 additions and 28 deletions
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19
README.rst
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@ -87,24 +87,23 @@ Usage Example
g = displayio.Group()
f = open("/display-ruler.bmp", "rb")
pic = displayio.OnDiskBitmap(f)
# CircuitPython 6 & 7 compatible
t = displayio.TileGrid(
pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
)
# CircuitPython 7 compatible only
# t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
pic = displayio.OnDiskBitmap("/display-ruler.bmp")
# Create a Tilegrid with the bitmap and put in the displayio group
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
# Place the display group on the screen (does not refresh)
display.root_group = g
# Show the image on the display
display.refresh()
print("refreshed")
time.sleep(120)
# Do Not refresh the screen more often than every 180 seconds
# for eInk displays! Rapid refreshes will damage the panel.
time.sleep(180)
Documentation
=============

31
examples/il91874_simpletest.py
View file

@ -47,25 +47,20 @@ display = adafruit_il91874.IL91874(
g = displayio.Group()
# Display a ruler graphic from the root directory of the CIRCUITPY drive
with open("/display-ruler.bmp", "rb") as f:
pic = displayio.OnDiskBitmap(f)
# Create a Tilegrid with the bitmap and put in the displayio group
# CircuitPython 6 & 7 compatible
t = displayio.TileGrid(
pic, pixel_shader=getattr(pic, "pixel_shader", displayio.ColorConverter())
)
# CircuitPython 7 compatible only
# t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
# Place the display group on the screen (does not refresh)
display.root_group = g
pic = displayio.OnDiskBitmap("/display-ruler.bmp")
# Create a Tilegrid with the bitmap and put in the displayio group
t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
g.append(t)
# Show the image on the display
display.refresh()
# Place the display group on the screen (does not refresh)
display.root_group = g
print("refreshed")
# Show the image on the display
display.refresh()
# Do Not refresh the screen more often than every 180 seconds
# for eInk displays! Rapid refreshes will damage the panel.
time.sleep(180)
print("refreshed")
# Do Not refresh the screen more often than every 180 seconds
# for eInk displays! Rapid refreshes will damage the panel.
time.sleep(180)