mirror of
https://github.com/CTCaer/hekate
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95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
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/**
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* @file lv_refr.h
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*
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*/
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#ifndef LV_REFR_H
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#define LV_REFR_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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#include "lv_obj.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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/**********************
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* STATIC PROTOTYPES
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**********************/
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/**********************
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* STATIC VARIABLES
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**********************/
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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/**
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* Initialize the screen refresh subsystem
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*/
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void lv_refr_init(void);
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/**
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* Redraw the invalidated areas now.
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* Normally the redrawing is periodically executed in `lv_task_handler` but a long blocking process can
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* prevent the call of `lv_task_handler`. In this case if the the GUI is updated in the process (e.g. progress bar)
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* this function can be called when the screen should be updated.
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*/
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void lv_refr_now(void);
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/**
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* Invalidate an area
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* @param area_p pointer to area which should be invalidated
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*/
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void lv_inv_area(const lv_area_t * area_p);
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/**
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* Set a function to call after every refresh to announce the refresh time and the number of refreshed pixels
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* @param cb pointer to a callback function (void my_refr_cb(uint32_t time_ms, uint32_t px_num))
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*/
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void lv_refr_set_monitor_cb(void (*cb)(uint32_t, uint32_t));
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/**
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* Called when an area is invalidated to modify the coordinates of the area.
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* Special display controllers may require special coordinate rounding
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* @param cb pointer to the a function which will modify the area
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*/
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void lv_refr_set_round_cb(void(*cb)(lv_area_t*));
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/**
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* Get the number of areas in the buffer
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* @return number of invalid areas
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*/
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uint16_t lv_refr_get_buf_size(void);
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/**
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* Pop (delete) the last 'num' invalidated areas from the buffer
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* @param num number of areas to delete
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*/
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void lv_refr_pop_from_buf(uint16_t num);
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/**********************
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* STATIC FUNCTIONS
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**********************/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_REFR_H*/
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