remove unused comment

[hackapet/Adafruit_Blinka_Displayio.git] / displayio / display.py

diff --git a/displayio/display.py b/displayio/display.py
index 1ea5d5555d5911a4d0b127af498e3d129ede13ff..578888aee1def4b357bd70d42a6b3fbf8ece77a8 100644 (file)
--- a/displayio/display.py
+++ b/displayio/display.py
@@ -330,9 +330,20 @@ class Display:
         """Encode a postion into bytes."""
         return struct.pack(self._bounds_encoding, x, y)
 
+    def _rgb_tuple_to_rgb565(self, color_tuple):
+        return (
+            ((color_tuple[0] & 0x00F8) << 8)
+            | ((color_tuple[1] & 0x00FC) << 3)
+            | (color_tuple[2] & 0x00F8) >> 3
+        )
+
     def fill_row(self, y, buffer):
         """Extract the pixels from a single row"""
-        pass
+        for x in range(0, self._width):
+            _rgb_565 = self._rgb_tuple_to_rgb565(self._buffer.getpixel((x, y)))
+            buffer[x * 2] = (_rgb_565 >> 8) & 0xff
+            buffer[x * 2 + 1] = _rgb_565 & 0xff
+        return buffer
 
     @property
     def auto_refresh(self):