tilegrid size fix

diff --git a/displayio/tilegrid.py b/displayio/tilegrid.py
index 9f35bebebf4b74200064a11a58cf845ad9236e11..47a2a9b0f39fbc1d1fe472fd53ad25fda3d72ca3 100644 (file)
--- a/displayio/tilegrid.py
+++ b/displayio/tilegrid.py
@@ -268,6 +268,8 @@ class TileGrid:
                     source=(
                         tile_index_x * tile_width,
                         tile_index_y * tile_height,
+                        tile_index_x * tile_width + tile_width,
+                        tile_index_y * tile_height + tile_height,
                     ),
                 )