#define BM_ADDR(bm, x, y) RAST_ADDR((bm)->raster, (x), (y), (bm)->stride)
#define BM_MASK(bm, x, y) RAST_MASK((bm)->raster, (x), (y))
#define BM_ADDR(bm, x, y) RAST_ADDR((bm)->raster, (x), (y), (bm)->stride)
#define BM_MASK(bm, x, y) RAST_MASK((bm)->raster, (x), (y))