The bitmaps used in region-bitmap.c are created by Cairo in
the the CAIRO_FORMAT_A1 format. In this format, the order of
1-bit pixels stored in a byte varies depending on endianness.
Fix all accesses to these bits by introducing an is_bit_set
helper macro that takes endianness into account.
uweigand
commented
3 years ago
The bitmaps used in region-bitmap.c are created by Cairo in the the CAIRO_FORMAT_A1 format. In this format, the order of 1-bit pixels stored in a byte varies depending on endianness.
Fix all accesses to these bits by introducing an is_bit_set helper macro that takes endianness into account.