diff options
Diffstat (limited to 'src/libclut.h')
| -rw-r--r-- | src/libclut.h | 60 |
1 files changed, 29 insertions, 31 deletions
diff --git a/src/libclut.h b/src/libclut.h index 0d63d4a..d355d13 100644 --- a/src/libclut.h +++ b/src/libclut.h @@ -45,9 +45,9 @@ #define libclut_rgb_contrast(clut, max, type, r, g, b) \ do \ { \ - if ((r) != 1.0) libclut__(clut, red, type, LIBCLUT_VALUE - (max) * 0.5 * (r) + (max) * 0.5); \ - if ((g) != 1.0) libclut__(clut, green, type, LIBCLUT_VALUE - (max) * 0.5 * (g) + (max) * 0.5); \ - if ((b) != 1.0) libclut__(clut, blue, type, LIBCLUT_VALUE - (max) * 0.5 * (b) + (max) * 0.5); \ + if ((r) != 1.0) libclut__(clut, red, type, (LIBCLUT_VALUE - (max) * 0.5) * (r) + (max) * 0.5); \ + if ((g) != 1.0) libclut__(clut, green, type, (LIBCLUT_VALUE - (max) * 0.5) * (g) + (max) * 0.5); \ + if ((b) != 1.0) libclut__(clut, blue, type, (LIBCLUT_VALUE - (max) * 0.5) * (b) + (max) * 0.5); \ } \ while (0) @@ -346,15 +346,15 @@ double m__ = (double)(max); \ size_t i__; \ if (rp) \ - for (i__ = 0; i++ < (clut)->red_size; i__++) \ + for (i__ = 0; i__ < (clut)->red_size; i__++) \ if ((clut)->red[i__] && ((clut)->red[i__] != (max))) \ (clut)->red[i__] = (type)(m__ * (0.5 - log(m__ / (clut)->red[i__] - 1.0) / r__)); \ if (gp) \ - for (i__ = 0; i++ < (clut)->green_size; i__++) \ + for (i__ = 0; i__ < (clut)->green_size; i__++) \ if ((clut)->green[i__] && ((clut)->green[i__] != (max))) \ (clut)->green[i__] = (type)(m__ * (0.5 - log(m__ / (clut)->green[i__] - 1.0) / g__)); \ if (bp) \ - for (i__ = 0; i++ < (clut)->blue_size; i__++) \ + for (i__ = 0; i__ < (clut)->blue_size; i__++) \ if ((clut)->blue[i__] && ((clut)->blue[i__] != (max))) \ (clut)->blue[i__] = (type)(m__ * (0.5 - log(m__ / (clut)->blue[i__] - 1.0) / b__)); \ } \ @@ -621,31 +621,29 @@ */ #define libclut_lower_resolution__(clut, channel, max, type, x, y) \ do \ - { \ - if ((x) || (y)) \ - { \ - size_t x__, y__, i__, n__ = (clut)->channel##_size; \ - double xm__ = (double)((x) - 1), ym__ = (double)((y) - 1); \ - double m__ = (double)(max); \ - type c__[n__]; /* Do not use alloca! */ \ - for (i__ = 0; i__ < n__; i__++) \ - { \ - if ((x__ = i__), (x)) \ - { \ - x__ = (size_t)((double)i__ * (x) / n__); \ - x__ = (size_t)((double)x__ * i__ / xm__); \ - } \ - if (!(y)) \ - c__[i__] = (clut)->channel[x__]; \ - else \ - { \ - y__ = (size_t)((double)((clut)->channel[x__]) / (max) * ym__ + 0.5); \ - c__[i__] = (type)((double)y__ / ym__ * m__); \ - } \ - } \ - memcpy((clut)->channel, c__, n__ * sizeof(type)); \ - } \ - } \ + if ((x) || (y)) \ + { \ + size_t x__, y__, i__, n__ = (clut)->channel##_size; \ + double xm__ = (double)((x) - 1), ym__ = (double)((y) - 1); \ + double m__ = (double)(max), nm__ = (double)(n__ - 1); \ + type c__[n__]; /* Do not use alloca! */ \ + for (i__ = 0; i__ < n__; i__++) \ + { \ + if ((x__ = i__), (x)) \ + { \ + x__ = (size_t)((double)i__ * (x) / n__); \ + x__ = (size_t)((double)x__ * nm__ / xm__); \ + } \ + if (!(y)) \ + c__[i__] = (clut)->channel[x__]; \ + else \ + { \ + y__ = (size_t)((double)((clut)->channel[x__]) / (max) * ym__ + 0.5); \ + c__[i__] = (type)((double)y__ / ym__ * m__); \ + } \ + } \ + memcpy((clut)->channel, c__, n__ * sizeof(type)); \ + } \ while (0) |