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| author | Campbell Barton <ideasman42@gmail.com> | 2016-02-13 09:47:38 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2016-02-13 10:59:56 +0300 |
| commit | 12b996e61b0b6805d1880ad94fe4e192fc6f41ae (patch) | |
| tree | 52c44be580f367e0eaed5204c4fe528dab97bf27 /source/blender/blenlib/BLI_bitmap.h | |
| parent | c9ef3d1f69acc176f6d0fb3ebbcda3fe2e61d78a (diff) | |
BLI_bitmap: add flip macro
Diffstat (limited to 'source/blender/blenlib/BLI_bitmap.h')
| -rw-r--r-- | source/blender/blenlib/BLI_bitmap.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_bitmap.h b/source/blender/blenlib/BLI_bitmap.h index 60fc143a447..82704e95fdd 100644 --- a/source/blender/blenlib/BLI_bitmap.h +++ b/source/blender/blenlib/BLI_bitmap.h @@ -86,6 +86,12 @@ typedef unsigned int BLI_bitmap; ((_bitmap)[(_index) >> _BITMAP_POWER] &= \ ~(1u << ((_index) & _BITMAP_MASK)))) +/* flip the value of a single bit at '_index' */ +#define BLI_BITMAP_FLIP(_bitmap, _index) \ + (CHECK_TYPE_ANY(_bitmap, BLI_bitmap *, const BLI_bitmap *), \ + ((_bitmap)[(_index) >> _BITMAP_POWER] ^= \ + (1u << ((_index) & _BITMAP_MASK)))) + /* set or clear the value of a single bit at '_index' */ #define BLI_BITMAP_SET(_bitmap, _index, _set) \ { \ |