lv_obj_draw.h

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#ifndef LV_OBJ_DRAW_H
#define LV_OBJ_DRAW_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/*********************
 *      INCLUDES
 *********************/
#include "../draw/lv_draw.h"
 
/*********************
 *      DEFINES
 *********************/
 
/**********************
 *      TYPEDEFS
 **********************/
 
struct _lv_obj_t;
struct _lv_obj_class_t;
 
typedef enum {
    LV_COVER_RES_COVER      = 0,
    LV_COVER_RES_NOT_COVER  = 1,
    LV_COVER_RES_MASKED     = 2,
} lv_cover_res_t;
 
typedef enum {
    LV_LAYER_TYPE_NONE,
    LV_LAYER_TYPE_SIMPLE,
    LV_LAYER_TYPE_TRANSFORM,
} lv_layer_type_t;
 
typedef struct {
    lv_draw_ctx_t * draw_ctx;           
    const struct _lv_obj_class_t * class_p;     
    uint32_t type;                      
    lv_area_t * draw_area;              
    lv_draw_rect_dsc_t *
    rect_dsc;      
    lv_draw_label_dsc_t *
    label_dsc;    
    lv_draw_line_dsc_t *
    line_dsc;      
    lv_draw_img_dsc_t  *
    img_dsc;       
    lv_draw_arc_dsc_t  *
    arc_dsc;       
    const lv_point_t *
    p1;              
    const lv_point_t * p2;        
    char * text;                  
    uint32_t text_length;         
    uint32_t part;                
    uint32_t id;                  
    lv_coord_t radius;            
    int32_t value;                
    const void * sub_part_ptr;    
} lv_obj_draw_part_dsc_t;
 
/**********************
 * GLOBAL PROTOTYPES
 **********************/
 
void lv_obj_init_draw_rect_dsc(struct _lv_obj_t * obj, uint32_t part, lv_draw_rect_dsc_t * draw_dsc);
 
void lv_obj_init_draw_label_dsc(struct _lv_obj_t * obj, uint32_t part, lv_draw_label_dsc_t * draw_dsc);
 
void lv_obj_init_draw_img_dsc(struct _lv_obj_t * obj, uint32_t part, lv_draw_img_dsc_t * draw_dsc);
 
 
void lv_obj_init_draw_line_dsc(struct _lv_obj_t * obj, uint32_t part, lv_draw_line_dsc_t * draw_dsc);
 
void lv_obj_init_draw_arc_dsc(struct _lv_obj_t * obj, uint32_t part, lv_draw_arc_dsc_t * draw_dsc);
 
lv_coord_t lv_obj_calculate_ext_draw_size(struct _lv_obj_t * obj, uint32_t part);
 
void lv_obj_draw_dsc_init(lv_obj_draw_part_dsc_t * dsc, lv_draw_ctx_t * draw_ctx);
 
bool lv_obj_draw_part_check_type(lv_obj_draw_part_dsc_t * dsc, const struct _lv_obj_class_t * class_p, uint32_t type);
 
void lv_obj_refresh_ext_draw_size(struct _lv_obj_t * obj);
 
lv_coord_t _lv_obj_get_ext_draw_size(const struct _lv_obj_t * obj);
 
 
lv_layer_type_t _lv_obj_get_layer_type(const struct _lv_obj_t * obj);
 
/**********************
 *      MACROS
 **********************/
 
#ifdef __cplusplus
} /*extern "C"*/
#endif
 
#endif /*LV_OBJ_DRAW_H*/