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