diff options
Diffstat (limited to 'src/libclut.h')
| -rw-r--r-- | src/libclut.h | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/src/libclut.h b/src/libclut.h index 3c15a6a..0d63d4a 100644 --- a/src/libclut.h +++ b/src/libclut.h @@ -379,26 +379,26 @@ * @param bmin The blue component value of the blackpoint. * @param bmax The blue component value of the whitepoint. */ -#define libclut_rgb_limits(clut, max, type, rmin, rmax, gmin, gmax, bmin, bmax) \ - do \ - { \ - double diff__; \ - if ((rmin != 0.0) || (rmax != 1.0)) \ - { \ - diff__ = (double)(rmax__) - (double)(rmin__); \ - libclut__(clut, red, type, LIBCLUT_VALUE * diff__ + (rmin__)); \ - } \ - if ((gmin != 0.0) || (gmax != 1.0)) \ - { \ - diff__ = (double)(gmax__) - (double)(gmin__); \ - libclut__(clut, green, type, LIBCLUT_VALUE * diff__ + (gmin__)); \ - } \ - if ((bmin != 0.0) || (bmax != 1.0)) \ - { \ - diff__ = (double)(bmax__) - (double)(bmin__); \ - libclut__(clut, blue, type, LIBCLUT_VALUE * diff__ + (bmin__)); \ - } \ - } \ +#define libclut_rgb_limits(clut, max, type, rmin, rmax, gmin, gmax, bmin, bmax) \ + do \ + { \ + double diff__; \ + if ((rmin != 0.0) || (rmax != 1.0)) \ + { \ + diff__ = (double)(rmax) - (double)(rmin); \ + libclut__(clut, red, type, LIBCLUT_VALUE / (double)(max) * diff__ + (rmin)); \ + } \ + if ((gmin != 0.0) || (gmax != 1.0)) \ + { \ + diff__ = (double)(gmax) - (double)(gmin); \ + libclut__(clut, green, type, LIBCLUT_VALUE / (double)(max) * diff__ + (gmin)); \ + } \ + if ((bmin != 0.0) || (bmax != 1.0)) \ + { \ + diff__ = (double)(bmax) - (double)(bmin); \ + libclut__(clut, blue, type, LIBCLUT_VALUE / (double)(max) * diff__ + (bmin)); \ + } \ + } \ while (0) |