1 /**
2  * @file lv_draw_line.h
3  *
4  */
5 
6 #ifndef LV_DRAW_LINE_H
7 #define LV_DRAW_LINE_H
8 
9 #ifdef __cplusplus
10 extern "C" {
11 #endif
12 
13 /*********************
14  *      INCLUDES
15  *********************/
16 #include "../lv_conf_internal.h"
17 #include "../misc/lv_color.h"
18 #include "../misc/lv_area.h"
19 #include "../misc/lv_style.h"
20 
21 /*********************
22  *      DEFINES
23  *********************/
24 
25 /**********************
26  *      TYPEDEFS
27  **********************/
28 typedef struct {
29     lv_color_t color;
30     lv_coord_t width;
31     lv_coord_t dash_width;
32     lv_coord_t dash_gap;
33     lv_opa_t opa;
34     lv_blend_mode_t blend_mode  : 2;
35     uint8_t round_start : 1;
36     uint8_t round_end   : 1;
37     uint8_t raw_end     : 1;    /*Do not bother with perpendicular line ending if it's not visible for any reason*/
38 } lv_draw_line_dsc_t;
39 
40 struct _lv_draw_ctx_t;
41 
42 /**********************
43  * GLOBAL PROTOTYPES
44  **********************/
45 
46 void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_line_dsc_init(lv_draw_line_dsc_t * dsc);
47 
48 /**
49  * Draw a line
50  * @param point1 first point of the line
51  * @param point2 second point of the line
52  * @param clip the line will be drawn only in this area
53  * @param dsc pointer to an initialized `lv_draw_line_dsc_t` variable
54  */
55 void /* LV_ATTRIBUTE_FAST_MEM */ lv_draw_line(struct _lv_draw_ctx_t * draw_ctx, const lv_draw_line_dsc_t * dsc,
56                                               const lv_point_t * point1, const lv_point_t * point2);
57 
58 /**********************
59  *      MACROS
60  **********************/
61 
62 #ifdef __cplusplus
63 } /*extern "C"*/
64 #endif
65 
66 #endif /*LV_DRAW_LINE_H*/
67