128 lines
2.5 KiB
C
128 lines
2.5 KiB
C
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/**
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* @file lv_arc.h
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*
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*/
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#ifndef LV_ARC_H
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#define LV_ARC_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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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_conf.h"
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#else
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#include "../../lv_conf.h"
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#endif
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#if USE_LV_ARC != 0
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#include "../lv_core/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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/*Data of arc*/
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typedef struct {
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/*New data for this type */
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lv_coord_t angle_start;
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lv_coord_t angle_end;
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} lv_arc_ext_t;
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/*Styles*/
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enum {
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LV_ARC_STYLE_MAIN,
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};
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typedef uint8_t lv_arc_style_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Create a arc objects
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* @param par pointer to an object, it will be the parent of the new arc
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* @param copy pointer to a arc object, if not NULL then the new object will be copied from it
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* @return pointer to the created arc
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*/
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lv_obj_t * lv_arc_create(lv_obj_t * par, const lv_obj_t * copy);
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/*======================
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* Add/remove functions
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*=====================*/
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set the start and end angles of an arc. 0 deg: bottom, 90 deg: right etc.
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* @param arc pointer to an arc object
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* @param start the start angle [0..360]
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* @param end the end angle [0..360]
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*/
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void lv_arc_set_angles(lv_obj_t * arc, uint16_t start, uint16_t end);
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/**
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* Set a style of a arc.
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* @param arc pointer to arc object
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* @param type which style should be set
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* @param style pointer to a style
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* */
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void lv_arc_set_style(lv_obj_t * arc, lv_arc_style_t type, lv_style_t *style);
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the start angle of an arc.
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* @param arc pointer to an arc object
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* @return the start angle [0..360]
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*/
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uint16_t lv_arc_get_angle_start(lv_obj_t * arc);
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/**
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* Get the end angle of an arc.
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* @param arc pointer to an arc object
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* @return the end angle [0..360]
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*/
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uint16_t lv_arc_get_angle_end(lv_obj_t * arc);
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/**
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* Get style of a arc.
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* @param arc pointer to arc object
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* @param type which style should be get
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* @return style pointer to the style
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* */
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lv_style_t * lv_arc_get_style(const lv_obj_t * arc, lv_arc_style_t type);
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/*=====================
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* Other functions
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*====================*/
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/**********************
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* MACROS
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**********************/
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#endif /*USE_LV_ARC*/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_ARC_H*/
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