diff options
Diffstat (limited to 'src/libgamma-facade.c')
| -rw-r--r-- | src/libgamma-facade.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/src/libgamma-facade.c b/src/libgamma-facade.c index e957fc2..ed23e9f 100644 --- a/src/libgamma-facade.c +++ b/src/libgamma-facade.c @@ -1302,6 +1302,273 @@ int libgamma_crtc_set_gamma_rampsd(libgamma_crtc_state_t* restrict this, } + +/** + * Set the gamma ramps for a CRTC, 16-bit gamma-depth function version + * + * Note that this will probably involve the library allocating temporary data + * + * @param this The CRTC state + * @parma ramps The gamma ramps to apply + * @return Zero on success, otherwise (negative) the value of an + * error identifier provided by this library + */ +int libgamma_crtc_set_gamma_ramps_f(libgamma_crtc_state_t* restrict this, + libgamma_gamma_ramps_fun* red_function, + libgamma_gamma_ramps_fun* green_function, + libgamma_gamma_ramps_fun* blue_function) +{ + libgamma_crtc_information_t info; + libgamma_gamma_ramps_t ramps; + size_t i, n; + int e; + + if (libgamma_get_crtc_information(&info, this, CRTC_INFO_GAMMA_SIZE)) + { + e = info.gamma_size_error; + if (e < 0) + return e; + return errno = e, LIBGAMMA_ERRNO_SET; + } + + n = ramps. red_size = info. red_gamma_size; + n += ramps.green_size = info.green_gamma_size; + n += ramps. blue_size = info. blue_gamma_size; + + ramps. red = malloc(n * sizeof(uint16_t)); + ramps.green = ramps. red + ramps. red_size; + ramps. blue = ramps.green + ramps.green_size; + if (ramps.red == NULL) + return LIBGAMMA_ERRNO_SET; + + for (i = 0, n = ramps.red_size; i < n; i++) + ramps.red[i] = red_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.green_size; i < n; i++) + ramps.green[i] = green_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.blue_size; i < n; i++) + ramps.blue[i] = blue_function((float)i / (float)(n - 1)); + + e = libgamma_crtc_set_gamma_ramps(this, ramps); + free(ramps.red); + return e; +} + + +/** + * Set the gamma ramps for a CRTC, 32-bit gamma-depth function version + * + * Note that this will probably involve the library allocating temporary data + * + * @param this The CRTC state + * @parma ramps The gamma ramps to apply + * @return Zero on success, otherwise (negative) the value of an + * error identifier provided by this library + */ +int libgamma_crtc_set_gamma_ramps32_f(libgamma_crtc_state_t* restrict this, + libgamma_gamma_ramps32_fun* red_function, + libgamma_gamma_ramps32_fun* green_function, + libgamma_gamma_ramps32_fun* blue_function) +{ + libgamma_crtc_information_t info; + libgamma_gamma_ramps32_t ramps; + size_t i, n; + int e; + + if (libgamma_get_crtc_information(&info, this, CRTC_INFO_GAMMA_SIZE)) + { + e = info.gamma_size_error; + if (e < 0) + return e; + return errno = e, LIBGAMMA_ERRNO_SET; + } + + n = ramps. red_size = info. red_gamma_size; + n += ramps.green_size = info.green_gamma_size; + n += ramps. blue_size = info. blue_gamma_size; + + ramps. red = malloc(n * sizeof(uint32_t)); + ramps.green = ramps. red + ramps. red_size; + ramps. blue = ramps.green + ramps.green_size; + if (ramps.red == NULL) + return LIBGAMMA_ERRNO_SET; + + for (i = 0, n = ramps.red_size; i < n; i++) + ramps.red[i] = red_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.green_size; i < n; i++) + ramps.green[i] = green_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.blue_size; i < n; i++) + ramps.blue[i] = blue_function((float)i / (float)(n - 1)); + + e = libgamma_crtc_set_gamma_ramps32(this, ramps); + free(ramps.red); + return e; +} + + +/** + * Set the gamma ramps for a CRTC, 64-bit gamma-depth function version + * + * Note that this will probably involve the library allocating temporary data + * + * @param this The CRTC state + * @parma ramps The gamma ramps to apply + * @return Zero on success, otherwise (negative) the value of an + * error identifier provided by this library + */ +int libgamma_crtc_set_gamma_ramps64_f(libgamma_crtc_state_t* restrict this, + libgamma_gamma_ramps64_fun* red_function, + libgamma_gamma_ramps64_fun* green_function, + libgamma_gamma_ramps64_fun* blue_function) +{ + libgamma_crtc_information_t info; + libgamma_gamma_ramps64_t ramps; + size_t i, n; + int e; + + if (libgamma_get_crtc_information(&info, this, CRTC_INFO_GAMMA_SIZE)) + { + e = info.gamma_size_error; + if (e < 0) + return e; + return errno = e, LIBGAMMA_ERRNO_SET; + } + + n = ramps. red_size = info. red_gamma_size; + n += ramps.green_size = info.green_gamma_size; + n += ramps. blue_size = info. blue_gamma_size; + + ramps. red = malloc(n * sizeof(uint64_t)); + ramps.green = ramps. red + ramps. red_size; + ramps. blue = ramps.green + ramps.green_size; + if (ramps.red == NULL) + return LIBGAMMA_ERRNO_SET; + + for (i = 0, n = ramps.red_size; i < n; i++) + ramps.red[i] = red_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.green_size; i < n; i++) + ramps.green[i] = green_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.blue_size; i < n; i++) + ramps.blue[i] = blue_function((float)i / (float)(n - 1)); + + e = libgamma_crtc_set_gamma_ramps64(this, ramps); + free(ramps.red); + return e; +} + + +/** + * Set the gamma ramps for a CRTC, `float` function version + * + * Note that this will probably involve the library allocating temporary data + * + * @param this The CRTC state + * @parma ramps The gamma ramps to apply + * @return Zero on success, otherwise (negative) the value of an + * error identifier provided by this library + */ +int libgamma_crtc_set_gamma_rampsf_f(libgamma_crtc_state_t* restrict this, + libgamma_gamma_rampsf_fun* red_function, + libgamma_gamma_rampsf_fun* green_function, + libgamma_gamma_rampsf_fun* blue_function) +{ + libgamma_crtc_information_t info; + libgamma_gamma_rampsf_t ramps; + size_t i, n; + int e; + + if (libgamma_get_crtc_information(&info, this, CRTC_INFO_GAMMA_SIZE)) + { + e = info.gamma_size_error; + if (e < 0) + return e; + return errno = e, LIBGAMMA_ERRNO_SET; + } + + n = ramps. red_size = info. red_gamma_size; + n += ramps.green_size = info.green_gamma_size; + n += ramps. blue_size = info. blue_gamma_size; + + ramps. red = malloc(n * sizeof(float)); + ramps.green = ramps. red + ramps. red_size; + ramps. blue = ramps.green + ramps.green_size; + if (ramps.red == NULL) + return LIBGAMMA_ERRNO_SET; + + for (i = 0, n = ramps.red_size; i < n; i++) + ramps.red[i] = red_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.green_size; i < n; i++) + ramps.green[i] = green_function((float)i / (float)(n - 1)); + + for (i = 0, n = ramps.blue_size; i < n; i++) + ramps.blue[i] = blue_function((float)i / (float)(n - 1)); + + e = libgamma_crtc_set_gamma_rampsf(this, ramps); + free(ramps.red); + return e; +} + + +/** + * Set the gamma ramps for a CRTC, `double` function version + * + * Note that this will probably involve the library allocating temporary data + * + * @param this The CRTC state + * @parma ramps The gamma ramps to apply + * @return Zero on success, otherwise (negative) the value of an + * error identifier provided by this library + */ +int libgamma_crtc_set_gamma_rampsd_f(libgamma_crtc_state_t* restrict this, + libgamma_gamma_rampsd_fun* red_function, + libgamma_gamma_rampsd_fun* green_function, + libgamma_gamma_rampsd_fun* blue_function) +{ + libgamma_crtc_information_t info; + libgamma_gamma_rampsd_t ramps; + size_t i, n; + int e; + + if (libgamma_get_crtc_information(&info, this, CRTC_INFO_GAMMA_SIZE)) + { + e = info.gamma_size_error; + if (e < 0) + return e; + return errno = e, LIBGAMMA_ERRNO_SET; + } + + n = ramps. red_size = info. red_gamma_size; + n += ramps.green_size = info.green_gamma_size; + n += ramps. blue_size = info. blue_gamma_size; + + ramps. red = malloc(n * sizeof(double)); + ramps.green = ramps. red + ramps. red_size; + ramps. blue = ramps.green + ramps.green_size; + if (ramps.red == NULL) + return LIBGAMMA_ERRNO_SET; + + for (i = 0, n = ramps.red_size; i < n; i++) + ramps.red[i] = red_function((double)i / (double)(n - 1)); + + for (i = 0, n = ramps.green_size; i < n; i++) + ramps.green[i] = green_function((double)i / (double)(n - 1)); + + for (i = 0, n = ramps.blue_size; i < n; i++) + ramps.blue[i] = blue_function((double)i / (double)(n - 1)); + + e = libgamma_crtc_set_gamma_rampsd(this, ramps); + free(ramps.red); + return e; +} + + + #ifdef HAVE_NO_GAMMA_METHODS # pragma GCC diagnostic pop #endif |