Merge pull request #11 from lesamouraipourpre/ondiskbitmap-changes

Update the pixel_shader usage of OnDiskBitmap

Author: makermelissa

README.rst

@@ -85,7 +85,12 @@ Usage Example
     f = open("/display-ruler.bmp", "rb")
 
     pic = displayio.OnDiskBitmap(f)
-    t = displayio.TileGrid(pic, pixel_shader=displayio.ColorConverter())
+    # 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)
 
     display.show(g)

adafruit_il91874.py

@@ -20,11 +20,9 @@
 
 **Software and Dependencies:**
 
-* Adafruit CircuitPython firmware (version 5+) for the supported boards:
+* Adafruit CircuitPython firmware for the supported boards:
   https://github.com/adafruit/circuitpython/releases
 
-# * Adafruit's Bus Device library: https://github.com/adafruit/Adafruit_CircuitPython_BusDevice
-# * Adafruit's Register library: https://github.com/adafruit/Adafruit_CircuitPython_Register
 """
 
 import displayio

examples/il91874_simpletest.py

@@ -42,7 +42,12 @@
 with open("/display-ruler.bmp", "rb") as f:
     pic = displayio.OnDiskBitmap(f)
     # Create a Tilegrid with the bitmap and put in the displayio group
-    t = displayio.TileGrid(pic, pixel_shader=displayio.ColorConverter())
+    # 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)