diff options
Diffstat (limited to 'shared-module/displayio/OnDiskBitmap.c')
| -rw-r--r-- | shared-module/displayio/OnDiskBitmap.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/shared-module/displayio/OnDiskBitmap.c b/shared-module/displayio/OnDiskBitmap.c index 993fc03de..c1a0ddeb7 100644 --- a/shared-module/displayio/OnDiskBitmap.c +++ b/shared-module/displayio/OnDiskBitmap.c @@ -57,7 +57,7 @@ void common_hal_displayio_ondiskbitmap_construct(displayio_ondiskbitmap_t *self, uint32_t compression = read_word(bmp_header, 15); uint32_t number_of_colors = read_word(bmp_header, 23); - bool indexed = ((bits_per_pixel <= 8) && (number_of_colors != 0)); + bool indexed = bits_per_pixel <= 8; self->bitfield_compressed = (compression == 3); self->bits_per_pixel = bits_per_pixel; self->width = read_word(bmp_header, 9); @@ -75,6 +75,9 @@ void common_hal_displayio_ondiskbitmap_construct(displayio_ondiskbitmap_t *self, self->b_bitmask = 0x1f; } } else if (indexed && self->bits_per_pixel != 1) { + if (number_of_colors == 0) { + number_of_colors = 1 << bits_per_pixel; + } uint16_t palette_size = number_of_colors * sizeof(uint32_t); uint16_t palette_offset = 0xe + header_size; |