diff options
author | HorrorTroll <sonicvipduc@gmail.com> | 2023-04-03 05:24:04 +0700 |
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committer | GitHub <noreply@github.com> | 2023-04-03 08:24:04 +1000 |
commit | d3008110096db2ac098db9b5cb47ad77582c01d9 (patch) | |
tree | f31fa3ba7481f3621faec10e87ab4eef2fdf9e50 /users/horrortroll/led/custom_gradient.c | |
parent | 27e6e27d3a2ff9d91bcf0f189cdc39509bef0335 (diff) |
Add user horrortroll in userspace (#19769)
Diffstat (limited to 'users/horrortroll/led/custom_gradient.c')
-rw-r--r-- | users/horrortroll/led/custom_gradient.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/users/horrortroll/led/custom_gradient.c b/users/horrortroll/led/custom_gradient.c new file mode 100644 index 0000000000..af6173d250 --- /dev/null +++ b/users/horrortroll/led/custom_gradient.c @@ -0,0 +1,74 @@ +/* Copyright 2022 HorrorTroll <https://github.com/HorrorTroll> + * + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + */ + +extern HSV gradient_0; +extern HSV gradient_100; +extern bool reflected_gradient; + +static HSV INTERPOLATE_HSV(float step, HSV gradient_0, HSV gradient_100) { + uint8_t cw, ccw; + HSV color; + + cw = (gradient_0.h >= gradient_100.h) ? 255 + gradient_100.h - gradient_0.h : gradient_100.h - gradient_0.h; // Hue range is 0 to 255. + ccw = (gradient_0.h >= gradient_100.h) ? gradient_0.h - gradient_100.h : 255 + gradient_0.h - gradient_100.h; + + if( cw < ccw ) { // going clockwise + color.h = gradient_0.h + (uint8_t)(step * cw); + } else { // Going counter clockwise + color.h = gradient_0.h - (uint8_t)(step * ccw); + } + + color.s = gradient_0.s + step * (gradient_100.s - gradient_0.s); + + // Scale V with global RGB Matrix's V, so users can still control overall brightness with RGB_VAI & RGB_VAD0 + color.v = round((gradient_0.v + step * (gradient_100.v - gradient_0.v)) * ((float)rgb_matrix_config.hsv.v / 255)); + + return color; +} + +static HSV CUSTOM_GRADIENT_math(uint8_t led_x, uint8_t min_x, uint8_t max_x) { + float step = (float)led_x / (max_x - min_x); + float mid_gradient_pos = 0.5; + + if( reflected_gradient ) { + if( step <= mid_gradient_pos ) { + return INTERPOLATE_HSV(step * (1/mid_gradient_pos), gradient_0, gradient_100); + } else { + return INTERPOLATE_HSV((step - mid_gradient_pos) * (1/(1-mid_gradient_pos)), gradient_100, gradient_0); + } + + } else { + return INTERPOLATE_HSV(step, gradient_0, gradient_100); + } +} + +static bool CUSTOM_GRADIENT(effect_params_t* params) { + RGB_MATRIX_USE_LIMITS(led_min, led_max); + + uint8_t min_x = 0; // X coordinate of the left-most LED + uint8_t max_x = 224; // X coordinate of the right-most LED + + for (uint8_t i = led_min; i < led_max; i++) { + RGB_MATRIX_TEST_LED_FLAGS(); + + HSV hsv_orig = CUSTOM_GRADIENT_math(g_led_config.point[i].x, min_x, max_x); + RGB rgb = hsv_to_rgb(hsv_orig); + + rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b); + } + + return led_max < RGB_MATRIX_LED_COUNT; +} |