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Diffstat (limited to 'quantum/visualizer/lcd_backlight_keyframes.c')
-rw-r--r--quantum/visualizer/lcd_backlight_keyframes.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/quantum/visualizer/lcd_backlight_keyframes.c b/quantum/visualizer/lcd_backlight_keyframes.c
new file mode 100644
index 0000000000..8436d4e3dd
--- /dev/null
+++ b/quantum/visualizer/lcd_backlight_keyframes.c
@@ -0,0 +1,77 @@
+/* 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 <http://www.gnu.org/licenses/>.
+ */
+
+#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;
+}
+
+bool backlight_keyframe_disable(keyframe_animation_t* animation, visualizer_state_t* state) {
+ (void)animation;
+ (void)state;
+ lcd_backlight_hal_color(0, 0, 0);
+ return false;
+}
+
+bool backlight_keyframe_enable(keyframe_animation_t* animation, visualizer_state_t* state) {
+ (void)animation;
+ (void)state;
+ lcd_backlight_color(LCD_HUE(state->current_lcd_color),
+ LCD_SAT(state->current_lcd_color),
+ LCD_INT(state->current_lcd_color));
+ return false;
+}