X-Git-Url: https://git.ayoreis.com/hackapet/Adafruit_Blinka_Displayio.git/blobdiff_plain/2c0d4ae77523a1bf94102d0a599c90d8361ae926..0ab5cf2fae7d14a4125d911d5323f080485e25ac:/displayio/tilegrid.py

diff --git a/displayio/tilegrid.py b/displayio/tilegrid.py
index 2b2f8c7..2c815a4 100644
--- a/displayio/tilegrid.py
+++ b/displayio/tilegrid.py
@@ -279,15 +279,22 @@ class TileGrid:
 
         source_x = source_y = 0
         if x < 0:
-            source_x = 0 - x
+            source_x = round(0 - x)
             x = 0
         if y < 0:
-            source_y = 0 - y
+            source_y = round(0 - y)
             y = 0
 
-        buffer.alpha_composite(
-            image, (round(x), round(y)), source=(round(source_x), round(source_y))
-        )
+        x = round(x)
+        y = round(y)
+
+        if (
+            x <= buffer.width
+            and y <= buffer.height
+            and source_x <= image.width
+            and source_y <= image.height
+        ):
+            buffer.alpha_composite(image, (x, y), source=(source_x, source_y))
 
     # pylint: enable=too-many-locals,too-many-branches