diff options
Diffstat (limited to 'shared-module/displayio/TileGrid.c')
| -rw-r--r-- | shared-module/displayio/TileGrid.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/shared-module/displayio/TileGrid.c b/shared-module/displayio/TileGrid.c index 88873d3a9..fee2ae978 100644 --- a/shared-module/displayio/TileGrid.c +++ b/shared-module/displayio/TileGrid.c @@ -436,7 +436,11 @@ bool displayio_tilegrid_fill_area(displayio_tilegrid_t *self, const _displayio_c // asm("bkpt"); // } } - ((uint8_t*)buffer)[offset / pixels_per_byte] |= pixel << ((offset % pixels_per_byte) * colorspace->depth); + uint8_t shift = (offset % pixels_per_byte) * colorspace->depth; + if (colorspace->reverse_pixels_in_byte) { + shift = (pixels_per_byte - 1) * colorspace->depth - shift; + } + ((uint8_t*)buffer)[offset / pixels_per_byte] |= pixel << shift; } } } |