From 5ba228b684a32c1099efc6207842a56ff102961a Mon Sep 17 00:00:00 2001 From: Fred Sundvik Date: Wed, 5 Apr 2017 08:48:30 +0300 Subject: Move LCD backlight keyframes to its own file --- quantum/visualizer/lcd_backlight_keyframes.c | 61 ++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 quantum/visualizer/lcd_backlight_keyframes.c (limited to 'quantum/visualizer/lcd_backlight_keyframes.c') diff --git a/quantum/visualizer/lcd_backlight_keyframes.c b/quantum/visualizer/lcd_backlight_keyframes.c new file mode 100644 index 000000000..096473708 --- /dev/null +++ b/quantum/visualizer/lcd_backlight_keyframes.c @@ -0,0 +1,61 @@ +/* Copyright 2017 Fred Sundvik + * + * 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 . + */ + +#include "lcd_backlight_keyframes.h" + +bool backlight_keyframe_animate_color(keyframe_animation_t* animation, visualizer_state_t* state) { + int frame_length = animation->frame_lengths[animation->current_frame]; + int current_pos = frame_length - animation->time_left_in_frame; + uint8_t t_h = LCD_HUE(state->target_lcd_color); + uint8_t t_s = LCD_SAT(state->target_lcd_color); + uint8_t t_i = LCD_INT(state->target_lcd_color); + uint8_t p_h = LCD_HUE(state->prev_lcd_color); + uint8_t p_s = LCD_SAT(state->prev_lcd_color); + uint8_t p_i = LCD_INT(state->prev_lcd_color); + + uint8_t d_h1 = t_h - p_h; //Modulo arithmetic since we want to wrap around + int d_h2 = t_h - p_h; + // Chose the shortest way around + int d_h = abs(d_h2) < d_h1 ? d_h2 : d_h1; + int d_s = t_s - p_s; + int d_i = t_i - p_i; + + int hue = (d_h * current_pos) / frame_length; + int sat = (d_s * current_pos) / frame_length; + int intensity = (d_i * current_pos) / frame_length; + //dprintf("%X -> %X = %X\n", p_h, t_h, hue); + hue += p_h; + sat += p_s; + intensity += p_i; + state->current_lcd_color = LCD_COLOR(hue, sat, intensity); + lcd_backlight_color( + LCD_HUE(state->current_lcd_color), + LCD_SAT(state->current_lcd_color), + LCD_INT(state->current_lcd_color)); + + return true; +} + +bool backlight_keyframe_set_color(keyframe_animation_t* animation, visualizer_state_t* state) { + (void)animation; + state->prev_lcd_color = state->target_lcd_color; + state->current_lcd_color = state->target_lcd_color; + lcd_backlight_color( + LCD_HUE(state->current_lcd_color), + LCD_SAT(state->current_lcd_color), + LCD_INT(state->current_lcd_color)); + return false; +} -- cgit v1.2.3-24-g4f1b