Files
lvgl/src/lv_draw/lv_draw_arc.h
2021-02-05 16:52:51 +01:00

64 lines
1.5 KiB
C

/**
* @file lv_draw_arc.h
*
*/
#ifndef LV_DRAW_ARC_H
#define LV_DRAW_ARC_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "lv_draw_line.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
typedef struct {
lv_color_t color;
lv_coord_t width;
const void * img_src;
lv_opa_t opa;
lv_blend_mode_t blend_mode : 2;
uint8_t rounded : 1;
} lv_draw_arc_dsc_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
LV_ATTRIBUTE_FAST_MEM void lv_draw_arc_dsc_init(lv_draw_arc_dsc_t * dsc);
/**
* Draw an arc. (Can draw pie too with great thickness.)
* @param center_x the x coordinate of the center of the arc
* @param center_y the y coordinate of the center of the arc
* @param radius the radius of the arc
* @param mask the arc will be drawn only in this mask
* @param start_angle the start angle of the arc (0 deg on the bottom, 90 deg on the right)
* @param end_angle the end angle of the arc
* @param clip_area the arc will be drawn only in this area
* @param dsc pointer to an initialized `lv_draw_line_dsc_t` variable
*/
void lv_draw_arc(lv_coord_t center_x, lv_coord_t center_y, uint16_t radius, uint16_t start_angle, uint16_t end_angle,
const lv_area_t * clip_area, const lv_draw_arc_dsc_t * dsc);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_DRAW_ARC*/