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Diffstat (limited to 'src/colour.c')
| -rw-r--r-- | src/colour.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/src/colour.c b/src/colour.c deleted file mode 100644 index 4d85cb5..0000000 --- a/src/colour.c +++ /dev/null @@ -1,97 +0,0 @@ -/*- - * redshift-ng - Automatically adjust display colour temperature according the Sun - * - * Copyright (c) 2009-2018 Jon Lund Steffensen <jonlst@gmail.com> - * Copyright (c) 2014-2016, 2025 Mattias Andrée <m@maandree.se> - * - * redshift-ng is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * redshift-ng is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with redshift-ng. If not, see <http://www.gnu.org/licenses/>. - */ -#include "common.h" - - -void -interpolate_colour_settings(const struct colour_setting *a, const struct colour_setting *b, - double t, struct colour_setting *result) -{ - int i; - t = CLAMP(0.0, t, 1.0); - result->temperature = (1.0 - t) * a->temperature + t * b->temperature; - result->brightness = (1.0 - t) * a->brightness + t * b->brightness; - for (i = 0; i < 3; i++) - result->gamma[i] = (1.0 - t) * a->gamma[i] + t * b->gamma[i]; -} - - -int -colour_setting_diff_is_major(const struct colour_setting *a, const struct colour_setting *b) -{ - return MAX(a->temperature, b->temperature) - MIN(a->temperature, b->temperature) > 25UL || - fabs(a->brightness - b->brightness) > 0.1 || - fabs(a->gamma[0] - b->gamma[0]) > 0.1 || - fabs(a->gamma[1] - b->gamma[1]) > 0.1 || - fabs(a->gamma[2] - b->gamma[2]) > 0.1; -} - - -#define X(SUFFIX, RAMPS, TYPE, MAX, DEPTH)\ - /** - * Fill a gamma ramp - * - * @param ramp The gamma ramp - * @param saved Saved gamma ramp with calibrations to preserver, or `NULL` - * @param size The gamma ramp size (number of stops) - * @param brightness The brightness (between 0 and 1) of the channel, which is - * the overall applied brightness multiplied but the effect - * on the channel from the colour temperature - * @param gamma The gamma to apply to the channel - */\ - static void\ - fill_ramp_##SUFFIX(TYPE *ramp, const TYPE *saved, size_t size, double brightness, double gamma)\ - {\ - size_t i;\ - double v;\ - brightness /= (size - 1U);\ - if (exact_eq(gamma, 1.0)) {\ - brightness *= (MAX);\ - for (i = 0; i < size; i++)\ - ramp[i] = (TYPE)(i * brightness);\ - } else {\ - gamma = 1.0 / gamma;\ - for (i = 0; i < size; i++) {\ - v = pow(i * brightness, gamma) * (MAX);\ - ramp[i] = (TYPE)v;\ - }\ - }\ - if (saved) {\ - for (i = 0; i < size; i++) {\ - v = (double)ramp[i] / (MAX) * (size - 1U);\ - ramp[i] = saved[(size_t)v];\ - }\ - }\ - }\ - \ - void\ - fill_ramps_##SUFFIX(TYPE *gamma_r, TYPE *gamma_g, TYPE *gamma_b,\ - const TYPE *saved_r, const TYPE *saved_g, const TYPE *saved_b,\ - size_t size_r, size_t size_g, size_t size_b,\ - const struct colour_setting *setting)\ - {\ - double r = 1, g = 1, b = 1;\ - libred_get_colour(setting->temperature, &r, &g, &b);\ - fill_ramp_##SUFFIX(gamma_r, saved_r, size_r, setting->brightness * r, setting->gamma[0]);\ - fill_ramp_##SUFFIX(gamma_g, saved_g, size_g, setting->brightness * g, setting->gamma[1]);\ - fill_ramp_##SUFFIX(gamma_b, saved_b, size_b, setting->brightness * b, setting->gamma[2]);\ - } - -LIST_RAMPS_STOP_VALUE_TYPES(X,) |