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/**
* @file lv_obj_draw.h
*
*/
#ifndef LV_OBJ_DRAW_H
#define LV_OBJ_DRAW_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "../misc/lv_types.h"
#include "../draw/lv_draw.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
typedef enum {
LV_LAYER_TYPE_NONE,
LV_LAYER_TYPE_SIMPLE,
LV_LAYER_TYPE_TRANSFORM,
} lv_layer_type_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Initialize a rectangle draw descriptor from an object's styles in its current state
* @param obj pointer to an object
* @param part part of the object, e.g. `LV_PART_MAIN`, `LV_PART_SCROLLBAR`, `LV_PART_KNOB`, etc
* @param draw_dsc the descriptor to initialize.
* If an `..._opa` field is set to `LV_OPA_TRANSP` the related properties won't be initialized.
* Should be initialized with `lv_draw_rect_dsc_init(draw_dsc)`.
* @note Only the relevant fields will be set.
* E.g. if `border width == 0` the other border properties won't be evaluated.
*/
void lv_obj_init_draw_rect_dsc(lv_obj_t * obj, lv_part_t part, lv_draw_rect_dsc_t * draw_dsc);
/**
* Initialize a label draw descriptor from an object's styles in its current state
* @param obj pointer to an object
* @param part part of the object, e.g. `LV_PART_MAIN`, `LV_PART_SCROLLBAR`, `LV_PART_KNOB`, etc
* @param draw_dsc the descriptor to initialize.
* If the `opa` field is set to or the property is equal to `LV_OPA_TRANSP` the rest won't be initialized.
* Should be initialized with `lv_draw_label_dsc_init(draw_dsc)`.
*/
void lv_obj_init_draw_label_dsc(lv_obj_t * obj, lv_part_t part, lv_draw_label_dsc_t * draw_dsc);
/**
* Initialize an image draw descriptor from an object's styles in its current state
* @param obj pointer to an object
* @param part part of the object, e.g. `LV_PART_MAIN`, `LV_PART_SCROLLBAR`, `LV_PART_KNOB`, etc
* @param draw_dsc the descriptor to initialize.
* Should be initialized with `lv_draw_image_dsc_init(draw_dsc)`.
*/
void lv_obj_init_draw_image_dsc(lv_obj_t * obj, lv_part_t part, lv_draw_image_dsc_t * draw_dsc);
/**
* Initialize a line draw descriptor from an object's styles in its current state
* @param obj pointer to an object
* @param part part of the object, e.g. `LV_PART_MAIN`, `LV_PART_SCROLLBAR`, `LV_PART_KNOB`, etc
* @param draw_dsc the descriptor to initialize.
* Should be initialized with `lv_draw_line_dsc_init(draw_dsc)`.
*/
void lv_obj_init_draw_line_dsc(lv_obj_t * obj, lv_part_t part, lv_draw_line_dsc_t * draw_dsc);
/**
* Initialize an arc draw descriptor from an object's styles in its current state
* @param obj pointer to an object
* @param part part of the object, e.g. `LV_PART_MAIN`, `LV_PART_SCROLLBAR`, `LV_PART_KNOB`, etc
* @param draw_dsc the descriptor to initialize.
* Should be initialized with `lv_draw_arc_dsc_init(draw_dsc)`.
*/
void lv_obj_init_draw_arc_dsc(lv_obj_t * obj, lv_part_t part, lv_draw_arc_dsc_t * draw_dsc);
/**
* Get the required extra size (around the object's part) to draw shadow, outline, value etc.
* @param obj pointer to an object
* @param part part of the object
* @return the extra size required around the object
*/
int32_t lv_obj_calculate_ext_draw_size(lv_obj_t * obj, lv_part_t part);
/**
* Send a 'LV_EVENT_REFR_EXT_DRAW_SIZE' Call the ancestor's event handler to the object to refresh the value of the extended draw size.
* The result will be saved in `obj`.
* @param obj pointer to an object
*/
void lv_obj_refresh_ext_draw_size(lv_obj_t * obj);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /*extern "C"*/
#endif
#endif /*LV_OBJ_DRAW_H*/
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