Picklock_RCM/bdk/libs/lvgl/lv_objx/lv_gauge.h

223 lines
5.4 KiB
C

/**
* @file lv_gauge.h
*
*/
#ifndef LV_GAUGE_H
#define LV_GAUGE_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_GAUGE != 0
/*Testing of dependencies*/
#if USE_LV_LMETER == 0
#error "lv_gauge: lv_lmeter is required. Enable it in lv_conf.h (USE_LV_LMETER 1) "
#endif
#include "../lv_core/lv_obj.h"
#include "lv_lmeter.h"
#include "lv_label.h"
#include "lv_line.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/*Data of gauge*/
typedef struct
{
lv_lmeter_ext_t lmeter; /*Ext. of ancestor*/
/*New data for this type */
int16_t * values; /*Array of the set values (for needles) */
const lv_color_t * needle_colors; /*Color of the needles (lv_color_t my_colors[needle_num])*/
uint8_t needle_count; /*Number of needles*/
uint8_t label_count; /*Number of labels on the scale*/
} lv_gauge_ext_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Create a gauge objects
* @param par pointer to an object, it will be the parent of the new gauge
* @param copy pointer to a gauge object, if not NULL then the new object will be copied from it
* @return pointer to the created gauge
*/
lv_obj_t * lv_gauge_create(lv_obj_t * par, const lv_obj_t * copy);
/*=====================
* Setter functions
*====================*/
/**
* Set the number of needles
* @param gauge pointer to gauge object
* @param needle_cnt new count of needles
* @param colors an array of colors for needles (with 'num' elements)
*/
void lv_gauge_set_needle_count(lv_obj_t * gauge, uint8_t needle_cnt, const lv_color_t * colors);
/**
* Set the value of a needle
* @param gauge pointer to a gauge
* @param needle_id the id of the needle
* @param value the new value
*/
void lv_gauge_set_value(lv_obj_t * gauge, uint8_t needle_id, int16_t value);
/**
* Set minimum and the maximum values of a gauge
* @param gauge pointer to he gauge object
* @param min minimum value
* @param max maximum value
*/
static inline void lv_gauge_set_range(lv_obj_t *gauge, int16_t min, int16_t max)
{
lv_lmeter_set_range(gauge, min, max);
}
/**
* Set a critical value on the scale. After this value 'line.color' scale lines will be drawn
* @param gauge pointer to a gauge object
* @param value the critical value
*/
static inline void lv_gauge_set_critical_value(lv_obj_t * gauge, int16_t value)
{
lv_lmeter_set_value(gauge, value);
}
/**
* Set the scale settings of a gauge
* @param gauge pointer to a gauge object
* @param angle angle of the scale (0..360)
* @param line_cnt count of scale lines.
* The get a given "subdivision" lines between label, `line_cnt` = (sub_div + 1) * (label_cnt - 1) + 1
* @param label_cnt count of scale labels.
*/
void lv_gauge_set_scale(lv_obj_t * gauge, uint16_t angle, uint8_t line_cnt, uint8_t label_cnt);
/**
* Set the styles of a gauge
* @param gauge pointer to a gauge object
* @param bg set the style of the gauge
* */
static inline void lv_gauge_set_style(lv_obj_t *gauge, lv_style_t *bg)
{
lv_obj_set_style(gauge, bg);
}
/*=====================
* Getter functions
*====================*/
/**
* Get the value of a needle
* @param gauge pointer to gauge object
* @param needle the id of the needle
* @return the value of the needle [min,max]
*/
int16_t lv_gauge_get_value(const lv_obj_t * gauge, uint8_t needle);
/**
* Get the count of needles on a gauge
* @param gauge pointer to gauge
* @return count of needles
*/
uint8_t lv_gauge_get_needle_count(const lv_obj_t * gauge);
/**
* Get the minimum value of a gauge
* @param gauge pointer to a gauge object
* @return the minimum value of the gauge
*/
static inline int16_t lv_gauge_get_min_value(const lv_obj_t * lmeter)
{
return lv_lmeter_get_min_value(lmeter);
}
/**
* Get the maximum value of a gauge
* @param gauge pointer to a gauge object
* @return the maximum value of the gauge
*/
static inline int16_t lv_gauge_get_max_value(const lv_obj_t * lmeter)
{
return lv_lmeter_get_max_value(lmeter);
}
/**
* Get a critical value on the scale.
* @param gauge pointer to a gauge object
* @return the critical value
*/
static inline int16_t lv_gauge_get_critical_value(const lv_obj_t * gauge)
{
return lv_lmeter_get_value(gauge);
}
/**
* Set the number of labels (and the thicker lines too)
* @param gauge pointer to a gauge object
* @return count of labels
*/
uint8_t lv_gauge_get_label_count(const lv_obj_t * gauge);
/**
* Get the scale number of a gauge
* @param gauge pointer to a gauge object
* @return number of the scale units
*/
static inline uint8_t lv_gauge_get_line_count(const lv_obj_t * gauge)
{
return lv_lmeter_get_line_count(gauge);
}
/**
* Get the scale angle of a gauge
* @param gauge pointer to a gauge object
* @return angle of the scale
*/
static inline uint16_t lv_gauge_get_scale_angle(const lv_obj_t * gauge)
{
return lv_lmeter_get_scale_angle(gauge);
}
/**
* Get the style of a gauge
* @param gauge pointer to a gauge object
* @return pointer to the gauge's style
*/
static inline lv_style_t * lv_gauge_get_style(const lv_obj_t *gauge)
{
return lv_obj_get_style(gauge);
}
/**********************
* MACROS
**********************/
#endif /*USE_LV_GAUGE*/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_GAUGE_H*/