Get fill_area working

1 files changed, 9 insertions, 3 deletions

diff --git a/shared-bindings/displayio/Display.c b/shared-bindings/displayio/Display.c
index 2b9c74066..6338fe459 100644
--- a/shared-bindings/displayio/Display.c
+++ b/shared-bindings/displayio/Display.c
@@ -451,9 +451,15 @@ STATIC mp_obj_t displayio_display_obj_fill_area(size_t n_args, const mp_obj_t *p
 
     displayio_display_fill_area(self, &area, mask, buffer);
 
-    mp_obj_array_t *result = array_new(BYTEARRAY_TYPECODE, buffer_size);
-    for (int offset = 0; offset < buffer_size; offset++) {
-      array_subscr(result, MP_OBJ_NEW_SMALL_INT(offset), MP_OBJ_NEW_SMALL_INT(buffer[offset]));
+    mp_obj_array_t *result = array_new(BYTEARRAY_TYPECODE, buffer_size * 4);
+    int  byte_offset = 0;
+    for (int word_offset = 0; word_offset < buffer_size; word_offset++) {
+      uint32_t word = buffer[word_offset];
+      for (int byte_count = 0; byte_count < 4; byte_count++) {
+        array_subscr(result, MP_OBJ_NEW_SMALL_INT(byte_offset), MP_OBJ_NEW_SMALL_INT(word & 0x000000FF));
+        word >>= 8;
+        byte_offset++;
+      }
     }
     return result;
 }