77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/**
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* @file lv_draw_line.h
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*
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*/
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#ifndef LV_DRAW_LINE_H
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#define LV_DRAW_LINE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include "../lv_conf_internal.h"
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#include "../misc/lv_color.h"
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#include "../misc/lv_area.h"
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#include "../misc/lv_style.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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typedef struct {
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lv_draw_dsc_base_t base;
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lv_point_precise_t p1;
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lv_point_precise_t p2;
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lv_color_t color;
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int32_t width;
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int32_t dash_width;
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int32_t dash_gap;
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lv_opa_t opa;
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lv_blend_mode_t blend_mode : 3;
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uint8_t round_start : 1;
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uint8_t round_end : 1;
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uint8_t raw_end : 1; /**< Do not bother with perpendicular line ending if it's not visible for any reason */
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} lv_draw_line_dsc_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**
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* Initialize a line draw descriptor
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* @param dsc pointer to a draw descriptor
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*/
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void lv_draw_line_dsc_init(lv_draw_line_dsc_t * dsc);
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/**
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* Try to get a line draw descriptor from a draw task.
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* @param task draw task
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* @return the task's draw descriptor or NULL if the task is not of type LV_DRAW_TASK_TYPE_LINE
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*/
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lv_draw_line_dsc_t * lv_draw_task_get_line_dsc(lv_draw_task_t * task);
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/**
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* Create a line draw task
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* @param layer pointer to a layer
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* @param dsc pointer to an initialized `lv_draw_line_dsc_t` variable
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*/
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void lv_draw_line(lv_layer_t * layer, const lv_draw_line_dsc_t * dsc);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /*extern "C"*/
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#endif
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#endif /*LV_DRAW_LINE_H*/
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