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/**
* @file lv_display_private.h
*
*/
#ifndef LV_DISPLAY_PRIVATE_H
#define LV_DISPLAY_PRIVATE_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../misc/lv_types.h"
#include "../core/lv_obj.h"
#include "../draw/lv_draw.h"
#include "lv_display.h"
#if LV_USE_SYSMON
#include "../others/sysmon/lv_sysmon_private.h"
#endif
/*********************
* DEFINES
*********************/
#ifndef LV_INV_BUF_SIZE
#define LV_INV_BUF_SIZE 32 /**< Buffer size for invalid areas */
#endif
/**********************
* TYPEDEFS
**********************/
struct lv_display_t {
/*---------------------
* Resolution
*--------------------*/
/** Horizontal resolution.*/
int32_t hor_res;
/** Vertical resolution.*/
int32_t ver_res;
/** Horizontal resolution of the full / physical display. Set to -1 for fullscreen mode.*/
int32_t physical_hor_res;
/** Vertical resolution of the full / physical display. Set to -1 for fullscreen mode.*/
int32_t physical_ver_res;
/** Horizontal offset from the full / physical display. Set to 0 for fullscreen mode.*/
int32_t offset_x;
/** Vertical offset from the full / physical display. Set to 0 for fullscreen mode.*/
int32_t offset_y;
/** DPI (dot per inch) of the display. Default value is `LV_DPI_DEF`.*/
uint32_t dpi;
/*---------------------
* Buffering
*--------------------*/
lv_draw_buf_t * buf_1;
lv_draw_buf_t * buf_2;
/** Internal, used by the library*/
lv_draw_buf_t * buf_act;
/** MANDATORY: Write the internal buffer (draw_buf) to the display. 'lv_display_flush_ready()' has to be
* called when finished*/
lv_display_flush_cb_t flush_cb;
/**
* Used to wait while flushing is ready.
* It can do any complex logic to wait, including semaphores, mutexes, polling flags, etc.
* If not set `flushing` flag is used which can be cleared with `lv_display_flush_ready()` */
lv_display_flush_wait_cb_t flush_wait_cb;
/** 1: flushing is in progress. (It can't be a bit field because when it's cleared from IRQ
* Read-Modify-Write issue might occur) */
volatile int flushing;
/** 1: It was the last chunk to flush. (It can't be a bit field because when it's cleared
* from IRQ Read-Modify-Write issue might occur) */
volatile int flushing_last;
volatile uint32_t last_area : 1; /**< 1: last area is being rendered */
volatile uint32_t last_part : 1; /**< 1: last part of the current area is being rendered */
lv_display_render_mode_t render_mode;
uint32_t antialiasing : 1; /**< 1: anti-aliasing is enabled on this display.*/
/** 1: The current screen rendering is in progress*/
uint32_t rendering_in_progress : 1;
lv_color_format_t color_format;
/** Invalidated (marked to redraw) areas*/
lv_area_t inv_areas[LV_INV_BUF_SIZE];
uint8_t inv_area_joined[LV_INV_BUF_SIZE];
uint32_t inv_p;
int32_t inv_en_cnt;
/** Double buffer sync areas (redrawn during last refresh) */
lv_ll_t sync_areas;
lv_draw_buf_t _static_buf1; /**< Used when user pass in a raw buffer as display draw buffer */
lv_draw_buf_t _static_buf2;
/*---------------------
* Layer
*--------------------*/
lv_layer_t * layer_head;
void (*layer_init)(lv_display_t * disp, lv_layer_t * layer);
void (*layer_deinit)(lv_display_t * disp, lv_layer_t * layer);
/*---------------------
* Screens
*--------------------*/
/** Screens of the display*/
lv_obj_t ** screens; /**< Array of screen objects.*/
lv_obj_t * sys_layer; /**< @see lv_display_get_layer_sys*/
lv_obj_t * top_layer; /**< @see lv_display_get_layer_top*/
lv_obj_t * act_scr; /**< Currently active screen on this display*/
lv_obj_t * bottom_layer;/**< @see lv_display_get_layer_bottom*/
lv_obj_t * prev_scr; /**< Previous screen. Used during screen animations*/
lv_obj_t * scr_to_load; /**< The screen prepared to load in lv_screen_load_anim*/
uint32_t screen_cnt;
uint8_t draw_prev_over_act : 1;/** 1: Draw previous screen over active screen*/
uint8_t del_prev : 1; /** 1: Automatically delete the previous screen when the screen load animation is ready*/
/*---------------------
* Others
*--------------------*/
void * driver_data; /**< Custom user data*/
void * user_data; /**< Custom user data*/
lv_event_list_t event_list;
uint32_t sw_rotate : 1; /**< 1: use software rotation (slower)*/
uint32_t rotation : 2; /**< Element of lv_display_rotation_t*/
lv_theme_t * theme; /**< The theme assigned to the screen*/
/** A timer which periodically checks the dirty areas and refreshes them*/
lv_timer_t * refr_timer;
/*Miscellaneous data*/
uint32_t last_activity_time; /**< Last time when there was activity on this display*/
/** The area being refreshed*/
lv_area_t refreshed_area;
#if LV_USE_PERF_MONITOR
lv_obj_t * perf_label;
lv_sysmon_backend_data_t perf_sysmon_backend;
lv_sysmon_perf_info_t perf_sysmon_info;
#endif
#if LV_USE_MEM_MONITOR
lv_obj_t * mem_label;
#endif
};
/**********************
* GLOBAL PROTOTYPES
**********************/
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_DISPLAY_PRIVATE_H*/
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