diff options
Diffstat (limited to 'src/libclut.h')
| -rw-r--r-- | src/libclut.h | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/src/libclut.h b/src/libclut.h index 7c0dcd8..dbf3a00 100644 --- a/src/libclut.h +++ b/src/libclut.h @@ -2091,8 +2091,8 @@ void (libclut_model_cielch_to_cieluv)(double, double, double*, double*); do \ { \ double h__ = (h), C__ = (C); \ - *(u) = sin(h__) * C__; \ - *(v) = cos(h__) * C__; \ + *(v) = sin(h__) * C__; \ + *(u) = cos(h__) * C__; \ } \ while (0) @@ -2112,9 +2112,9 @@ void (libclut_model_cieluv_to_cielch)(double, double, double*, double*); #define libclut_model_cieluv_to_cielch(u, v, C, h) \ do \ { \ - double u__ = (u), v__ = (v__); \ + double u__ = (u), v__ = (v); \ *(C) = sqrt(u__ * u__ + v__ * v__); \ - *(h) = atan2(u__, v__); \ + *(h) = atan2(v__, u__); \ } \ while (0) @@ -2134,16 +2134,16 @@ void (libclut_model_cieluv_to_cielch)(double, double, double*, double*); */ LIBCLUT_GCC_ONLY__(__attribute__((__leaf__))) void (libclut_model_srgb_to_yiq)(double, double, double, double*, double*, double*); -#define libclut_model_srgb_to_yiq(r, g, b, y, i, q) \ - do \ - { \ - double r__ = libclut_model_standard_to_linear1(r); \ - double g__ = libclut_model_standard_to_linear1(g); \ - double b__ = libclut_model_standard_to_linear1(b); \ - *(y) = r__ * 299 / 1000 + g__ * 587 / 1000 + b__ * 114 / 1000; \ - *(i) = r__ * 596 / 1000 - g__ * 247 / 1000 - b__ * 322 / 1000; \ - *(q) = r__ * 211 / 1000 - g__ * 523 / 1000 + b__ * 312 / 1000; \ - } \ +#define libclut_model_srgb_to_yiq(r, g, b, y, i, q) \ + do \ + { \ + double r__ = libclut_model_standard_to_linear1(r) / 100000000000000000ULL; \ + double g__ = libclut_model_standard_to_linear1(g) / 10000000000000000ULL; \ + double b__ = libclut_model_standard_to_linear1(b) / 100000000000000000ULL; \ + *(y) = r__ * 29893602129377540ULL + g__ * 5870430744511212ULL + b__ * 11402090425510336ULL; \ + *(i) = r__ * 59594574307079930ULL - g__ * 2743886357457892ULL - b__ * 32155710732501010ULL; \ + *(q) = r__ * 21149734030682846ULL - g__ * 5229106903029739ULL + b__ * 31141334999614540ULL; \ + } \ while (0) @@ -2166,7 +2166,7 @@ void (libclut_model_yiq_to_srgb)(double, double, double, double*, double*, doubl do \ { \ double y__ = (y), i__ = (i), q__ = (q), r__, g__, b__; \ - r__ = y__ + i__ * 596 / 1000 + q__ * 621 / 1000; \ + r__ = y__ + i__ * 956 / 1000 + q__ * 621 / 1000; \ g__ = y__ - i__ * 272 / 1000 - q__ * 647 / 1000; \ b__ = y__ - i__ * 1106 / 1000 + q__ * 1703 / 1000; \ *(r) = libclut_model_linear_to_standard1(r__); \ @@ -2404,14 +2404,14 @@ void (libclut_model_ycgco_to_srgb)(double, double, double, double*, double*, dou */ LIBCLUT_GCC_ONLY__(__attribute__((__leaf__))) void (libclut_model_cie_1960_ucs_to_ciexyz)(double, double, double, double*, double*, double*); -#define libclut_model_cie_1960_ucs_to_ciexyz(u, v, Y, x, y, z) \ - do \ - { \ - double u__ = (u), v__ = (v), y__ = (Y); \ - *(y) = y__; \ - *(x) = 3 * y__ * u__ / (2 * v__); \ - *(z) = y__ * ((4 - u__) / (2 * v__) - 1) / 5; \ - } \ +#define libclut_model_cie_1960_ucs_to_ciexyz(u, v, Y, x, y, z) \ + do \ + { \ + double u__ = (u), v__ = (v), y__ = (Y); \ + *(y) = y__; \ + *(x) = 3 * y__ * u__ / (2 * v__); \ + *(z) = (4 * y__ - y__ * u__ - 10 * y__ * v__) / (2 * v__); \ + } \ while (0) |