9e58d022ba
A generic visualizer that supports animations. There's a few predefined keyframe types included, and more can be added by the user.
121 lines
4.6 KiB
C
121 lines
4.6 KiB
C
/*
|
|
The MIT License (MIT)
|
|
|
|
Copyright (c) 2016 Fred Sundvik
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in all
|
|
copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
SOFTWARE.
|
|
*/
|
|
|
|
#ifndef VISUALIZER_H
|
|
#define VISUALIZER_H
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
#ifdef LCD_ENABLE
|
|
#include "gfx.h"
|
|
#endif
|
|
|
|
#ifdef LCD_BACKLIGHT_ENABLE
|
|
#include "lcd_backlight.h"
|
|
#endif
|
|
|
|
// This need to be called once at the start
|
|
void visualizer_init(void);
|
|
// This should be called before every matrix scan
|
|
void visualizer_set_state(uint32_t default_state, uint32_t state, uint32_t leds);
|
|
|
|
// If you need support for more than 8 keyframes per animation, you can change this
|
|
#define MAX_VISUALIZER_KEY_FRAMES 8
|
|
|
|
struct keyframe_animation_t;
|
|
|
|
typedef struct {
|
|
uint32_t layer;
|
|
uint32_t default_layer;
|
|
uint32_t leds; // See led.h for available statuses
|
|
} visualizer_keyboard_status_t;
|
|
|
|
// The state struct is used by the various keyframe functions
|
|
// It's also used for setting the LCD color and layer text
|
|
// from the user customized code
|
|
typedef struct visualizer_state_t {
|
|
// The user code should primarily be modifying these
|
|
uint32_t target_lcd_color;
|
|
const char* layer_text;
|
|
|
|
// The user visualizer(and animation functions) can read these
|
|
visualizer_keyboard_status_t status;
|
|
|
|
// These are used by the animation functions
|
|
uint32_t current_lcd_color;
|
|
uint32_t prev_lcd_color;
|
|
#ifdef LCD_ENABLE
|
|
font_t font_fixed5x8;
|
|
font_t font_dejavusansbold12;
|
|
#endif
|
|
} visualizer_state_t;
|
|
|
|
// Any custom keyframe function should have this signature
|
|
// return true to get continuous updates, otherwise you will only get one
|
|
// update per frame
|
|
typedef bool (*frame_func)(struct keyframe_animation_t*, visualizer_state_t*);
|
|
|
|
// Represents a keyframe animation, so fields are internal to the system
|
|
// while others are meant to be initialized by the user code
|
|
typedef struct keyframe_animation_t {
|
|
// These should be initialized
|
|
int num_frames;
|
|
bool loop;
|
|
int frame_lengths[MAX_VISUALIZER_KEY_FRAMES];
|
|
frame_func frame_functions[MAX_VISUALIZER_KEY_FRAMES];
|
|
|
|
// Used internally by the system, and can also be read by
|
|
// keyframe update functions
|
|
int current_frame;
|
|
int time_left_in_frame;
|
|
bool need_update;
|
|
|
|
} keyframe_animation_t;
|
|
|
|
void start_keyframe_animation(keyframe_animation_t* animation);
|
|
void stop_keyframe_animation(keyframe_animation_t* animation);
|
|
|
|
// Some predefined keyframe functions that can be used by the user code
|
|
// Does nothing, useful for adding delays
|
|
bool keyframe_no_operation(keyframe_animation_t* animation, visualizer_state_t* state);
|
|
// Animates the LCD backlight color between the current color and the target color (of the state)
|
|
bool keyframe_animate_backlight_color(keyframe_animation_t* animation, visualizer_state_t* state);
|
|
// Sets the backlight color to the target color
|
|
bool keyframe_set_backlight_color(keyframe_animation_t* animation, visualizer_state_t* state);
|
|
// Displays the layer text centered vertically on the screen
|
|
bool keyframe_display_layer_text(keyframe_animation_t* animation, visualizer_state_t* state);
|
|
// Displays a bitmap (0/1) of all the currently active layers
|
|
bool keyframe_display_layer_bitmap(keyframe_animation_t* animation, visualizer_state_t* state);
|
|
// Call this once, when the initial animation has finished, alternatively you can call it
|
|
// directly from the initalize_user_visualizer function (the animation can be null)
|
|
bool user_visualizer_inited(keyframe_animation_t* animation, visualizer_state_t* state);
|
|
|
|
// These two functions have to be implemented by the user
|
|
void initialize_user_visualizer(visualizer_state_t* state);
|
|
void update_user_visualizer_state(visualizer_state_t* state);
|
|
|
|
|
|
#endif /* VISUALIZER_H */
|