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/**
* @file lv_obj_style_private.h
*
*/
#ifndef LV_OBJ_STYLE_PRIVATE_H
#define LV_OBJ_STYLE_PRIVATE_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "lv_obj_style.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
struct lv_obj_style_t {
const lv_style_t * style;
uint32_t selector : 24;
uint32_t is_local : 1;
uint32_t is_trans : 1;
};
struct lv_obj_style_transition_dsc_t {
uint16_t time;
uint16_t delay;
lv_style_selector_t selector;
lv_style_prop_t prop;
lv_anim_path_cb_t path_cb;
void * user_data;
};
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Initialize the object related style manager module.
* Called by LVGL in `lv_init()`
*/
void lv_obj_style_init(void);
/**
* Deinitialize the object related style manager module.
* Called by LVGL in `lv_deinit()`
*/
void lv_obj_style_deinit(void);
/**
* Used internally to create a style transition
* @param obj
* @param part
* @param prev_state
* @param new_state
* @param tr
*/
void lv_obj_style_create_transition(lv_obj_t * obj, lv_part_t part, lv_state_t prev_state,
lv_state_t new_state, const lv_obj_style_transition_dsc_t * tr);
/**
* Used internally to compare the appearance of an object in 2 states
* @param obj
* @param state1
* @param state2
* @return
*/
lv_style_state_cmp_t lv_obj_style_state_compare(lv_obj_t * obj, lv_state_t state1, lv_state_t state2);
/**
* Update the layer type of a widget bayed on its current styles.
* The result will be stored in `obj->spec_attr->layer_type`
* @param obj the object whose layer should be updated
*/
void lv_obj_update_layer_type(lv_obj_t * obj);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_OBJ_STYLE_PRIVATE_H*/
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