/** * @file lv_draw_line.h * */ #ifndef LV_DRAW_LINE_H #define LV_DRAW_LINE_H #ifdef __cplusplus extern "C" { #endif /********************* * INCLUDES *********************/ #include "../lv_conf_internal.h" #include "../misc/lv_color.h" #include "../misc/lv_area.h" #include "../misc/lv_style.h" /********************* * DEFINES *********************/ /********************** * TYPEDEFS **********************/ typedef struct { lv_draw_dsc_base_t base; lv_point_precise_t p1; lv_point_precise_t p2; lv_color_t color; int32_t width; int32_t dash_width; int32_t dash_gap; lv_opa_t opa; lv_blend_mode_t blend_mode : 2; uint8_t round_start : 1; uint8_t round_end : 1; uint8_t raw_end : 1; /**< Do not bother with perpendicular line ending if it's not visible for any reason */ } lv_draw_line_dsc_t; /********************** * GLOBAL PROTOTYPES **********************/ /** * Initialize a line draw descriptor * @param dsc pointer to a draw descriptor */ void lv_draw_line_dsc_init(lv_draw_line_dsc_t * dsc); /** * Try to get a line draw descriptor from a draw task. * @param task draw task * @return the task's draw descriptor or NULL if the task is not of type LV_DRAW_TASK_TYPE_LINE */ lv_draw_line_dsc_t * lv_draw_task_get_line_dsc(lv_draw_task_t * task); /** * Create a line draw task * @param layer pointer to a layer * @param dsc pointer to an initialized `lv_draw_line_dsc_t` variable */ void lv_draw_line(lv_layer_t * layer, const lv_draw_line_dsc_t * dsc); /********************** * MACROS **********************/ #ifdef __cplusplus } /*extern "C"*/ #endif #endif /*LV_DRAW_LINE_H*/