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501f2fdef1
* Normalise include statements in core code * Missed one
144 lines
5.4 KiB
C
144 lines
5.4 KiB
C
/*
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The MIT License (MIT)
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Copyright (c) 2016 Fred Sundvik
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "gfx.h"
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#include <math.h>
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#include "led_backlight_keyframes.h"
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static uint8_t fade_led_color(keyframe_animation_t* animation, int from, int to) {
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int frame_length = animation->frame_lengths[animation->current_frame];
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int current_pos = frame_length - animation->time_left_in_frame;
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int delta = to - from;
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int luma = (delta * current_pos) / frame_length;
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luma += from;
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return luma;
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}
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static void keyframe_fade_all_leds_from_to(keyframe_animation_t* animation, uint8_t from, uint8_t to) {
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uint8_t luma = fade_led_color(animation, from, to);
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color_t color = LUMA2COLOR(luma);
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gdispGClear(LED_DISPLAY, color);
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}
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// TODO: Should be customizable per keyboard
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#define NUM_ROWS LED_HEIGHT
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#define NUM_COLS LED_WIDTH
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static uint8_t crossfade_start_frame[NUM_ROWS][NUM_COLS];
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static uint8_t crossfade_end_frame[NUM_ROWS][NUM_COLS];
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static uint8_t compute_gradient_color(float t, float index, float num) {
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const float two_pi = M_PI * 2.0f;
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float normalized_index = (1.0f - index / (num - 1.0f)) * two_pi;
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float x = t * two_pi + normalized_index;
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float v = 0.5 * (cosf(x) + 1.0f);
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return (uint8_t)(255.0f * v);
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}
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bool led_backlight_keyframe_fade_in_all(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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keyframe_fade_all_leds_from_to(animation, 0, 255);
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return true;
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}
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bool led_backlight_keyframe_fade_out_all(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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keyframe_fade_all_leds_from_to(animation, 255, 0);
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return true;
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}
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bool led_backlight_keyframe_left_to_right_gradient(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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float frame_length = animation->frame_lengths[animation->current_frame];
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float current_pos = frame_length - animation->time_left_in_frame;
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float t = current_pos / frame_length;
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for (int i = 0; i < NUM_COLS; i++) {
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uint8_t color = compute_gradient_color(t, i, NUM_COLS);
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gdispGDrawLine(LED_DISPLAY, i, 0, i, NUM_ROWS - 1, LUMA2COLOR(color));
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}
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return true;
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}
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bool led_backlight_keyframe_top_to_bottom_gradient(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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float frame_length = animation->frame_lengths[animation->current_frame];
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float current_pos = frame_length - animation->time_left_in_frame;
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float t = current_pos / frame_length;
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for (int i = 0; i < NUM_ROWS; i++) {
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uint8_t color = compute_gradient_color(t, i, NUM_ROWS);
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gdispGDrawLine(LED_DISPLAY, 0, i, NUM_COLS - 1, i, LUMA2COLOR(color));
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}
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return true;
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}
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static void copy_current_led_state(uint8_t* dest) {
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for (int i = 0; i < NUM_ROWS; i++) {
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for (int j = 0; j < NUM_COLS; j++) {
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dest[i * NUM_COLS + j] = gdispGGetPixelColor(LED_DISPLAY, j, i);
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}
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}
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}
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bool led_backlight_keyframe_crossfade(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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if (animation->first_update_of_frame) {
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copy_current_led_state(&crossfade_start_frame[0][0]);
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run_next_keyframe(animation, state);
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copy_current_led_state(&crossfade_end_frame[0][0]);
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}
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for (int i = 0; i < NUM_ROWS; i++) {
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for (int j = 0; j < NUM_COLS; j++) {
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color_t color = LUMA2COLOR(fade_led_color(animation, crossfade_start_frame[i][j], crossfade_end_frame[i][j]));
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gdispGDrawPixel(LED_DISPLAY, j, i, color);
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}
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}
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return true;
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}
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bool led_backlight_keyframe_mirror_orientation(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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(void)animation;
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gdispGSetOrientation(LED_DISPLAY, GDISP_ROTATE_180);
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return false;
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}
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bool led_backlight_keyframe_normal_orientation(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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(void)animation;
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gdispGSetOrientation(LED_DISPLAY, GDISP_ROTATE_0);
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return false;
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}
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bool led_backlight_keyframe_disable(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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(void)animation;
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gdispGSetPowerMode(LED_DISPLAY, powerOff);
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return false;
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}
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bool led_backlight_keyframe_enable(keyframe_animation_t* animation, visualizer_state_t* state) {
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(void)state;
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(void)animation;
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gdispGSetPowerMode(LED_DISPLAY, powerOn);
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return false;
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}
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