mirror of
https://github.com/CTCaer/hekate
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176 lines
4.7 KiB
C
176 lines
4.7 KiB
C
/**
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* @file anim.h
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*
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*/
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#ifndef ANIM_H
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#define ANIM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_conf.h"
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#else
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#include "../../lv_conf.h"
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#endif
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#if USE_LV_ANIMATION
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#include <stdint.h>
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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struct _lv_anim_t;
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typedef int32_t(*lv_anim_path_t)(const struct _lv_anim_t*);
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typedef void (*lv_anim_fp_t)(void *, int32_t);
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typedef void (*lv_anim_cb_t)(void *);
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typedef struct _lv_anim_t
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{
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void * var; /*Variable to animate*/
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lv_anim_fp_t fp; /*Animator function*/
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lv_anim_cb_t end_cb; /*Call it when the animation is ready*/
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lv_anim_path_t path; /*An array with the steps of animations*/
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int32_t start; /*Start value*/
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int32_t end; /*End value*/
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uint16_t time; /*Animation time in ms*/
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int16_t act_time; /*Current time in animation. Set to negative to make delay.*/
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uint16_t playback_pause; /*Wait before play back*/
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uint16_t repeat_pause; /*Wait before repeat*/
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uint8_t playback :1; /*When the animation is ready play it back*/
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uint8_t repeat :1; /*Repeat the animation infinitely*/
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/*Animation system use these - user shouldn't set*/
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uint8_t playback_now :1; /*Play back is in progress*/
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uint32_t has_run :1; /*Indicates the animation has run it this round*/
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} lv_anim_t;
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/*Example initialization
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lv_anim_t a;
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a.var = obj;
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a.start = lv_obj_get_height(obj);
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a.end = new_height;
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a.fp = (lv_anim_fp_t)lv_obj_set_height;
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a.path = lv_anim_path_linear;
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a.end_cb = NULL;
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a.act_time = 0;
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a.time = 200;
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a.playback = 0;
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a.playback_pause = 0;
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a.repeat = 0;
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a.repeat_pause = 0;
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lv_anim_create(&a);
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*/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Init. the animation module
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*/
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void lv_anim_init(void);
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/**
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* Create an animation
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* @param anim_p an initialized 'anim_t' variable. Not required after call.
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*/
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void lv_anim_create(lv_anim_t * anim_p);
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/**
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* Delete an animation for a variable with a given animatior function
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* @param var pointer to variable
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* @param fp a function pointer which is animating 'var',
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* or NULL to ignore it and delete all animation with 'var
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* @return true: at least 1 animation is deleted, false: no animation is deleted
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*/
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bool lv_anim_del(void * var, lv_anim_fp_t fp);
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/**
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* Get the number of currently running animations
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* @return the number of running animations
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*/
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uint16_t lv_anim_count_running(void);
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/**
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* Calculate the time of an animation with a given speed and the start and end values
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* @param speed speed of animation in unit/sec
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* @param start start value of the animation
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* @param end end value of the animation
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* @return the required time [ms] for the animation with the given parameters
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*/
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uint16_t lv_anim_speed_to_time(uint16_t speed, int32_t start, int32_t end);
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/**
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* Calculate the current value of an animation applying linear characteristic
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* @param a pointer to an animation
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* @return the current value to set
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*/
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int32_t lv_anim_path_linear(const lv_anim_t *a);
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/**
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* Calculate the current value of an animation slowing down the start phase
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* @param a pointer to an animation
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* @return the current value to set
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*/
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int32_t lv_anim_path_ease_in(const lv_anim_t * a);
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/**
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* Calculate the current value of an animation slowing down the end phase
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* @param a pointer to an animation
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* @return the current value to set
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*/
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int32_t lv_anim_path_ease_out(const lv_anim_t * a);
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/**
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* Calculate the current value of an animation applying an "S" characteristic (cosine)
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* @param a pointer to an animation
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* @return the current value to set
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*/
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int32_t lv_anim_path_ease_in_out(const lv_anim_t *a);
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/**
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* Calculate the current value of an animation with overshoot at the end
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* @param a pointer to an animation
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* @return the current value to set
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*/
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int32_t lv_anim_path_overshoot(const lv_anim_t * a);
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/**
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* Calculate the current value of an animation with 3 bounces
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* @param a pointer to an animation
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* @return the current value to set
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*/
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int32_t lv_anim_path_bounce(const lv_anim_t * a);
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/**
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* Calculate the current value of an animation applying step characteristic.
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* (Set end value on the end of the animation)
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* @param a pointer to an animation
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* @return the current value to set
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*/
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int32_t lv_anim_path_step(const lv_anim_t *a);
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_ANIMATION == 0*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_ANIM_H*/
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