diff options
| author | Bastien Montagne <montagne29@wanadoo.fr> | 2014-10-14 11:28:32 +0400 |
|---|---|---|
| committer | Bastien Montagne <montagne29@wanadoo.fr> | 2014-10-14 11:40:35 +0400 |
| commit | cd2295f93e11bb53696e5011b083b72d74cdf707 (patch) | |
| tree | 5c580f18729fbe9a473b5de1f6ae48773fee5a02 /source/blender/blenlib | |
| parent | 79aa9feee84a0493ac34ffbd4f4f0500ddcd139f (diff) | |
BLI_bitmap: add a macro to set/clear the whole bitmap at once.
Diffstat (limited to 'source/blender/blenlib')
| -rw-r--r-- | source/blender/blenlib/BLI_bitmap.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source/blender/blenlib/BLI_bitmap.h b/source/blender/blenlib/BLI_bitmap.h index 5431785aa84..594bf89b667 100644 --- a/source/blender/blenlib/BLI_bitmap.h +++ b/source/blender/blenlib/BLI_bitmap.h @@ -91,6 +91,16 @@ typedef unsigned int BLI_bitmap; BLI_BITMAP_DISABLE(_bitmap, _index); \ } (void)0 +/* set or clear the value of the whole bitmap (needs size info) */ +#define BLI_BITMAP_SET_ALL(_bitmap, _set, _tot) \ + { \ + CHECK_TYPE(_bitmap, BLI_bitmap *); \ + if (_set) \ + memset(_bitmap, UCHAR_MAX, BLI_BITMAP_SIZE(_tot)); \ + else \ + memset(_bitmap, 0, BLI_BITMAP_SIZE(_tot)); \ + } (void)0 + /* resize bitmap to have space for '_tot' bits */ #define BLI_BITMAP_RESIZE(_bitmap, _tot) \ { \ |