Adolfo Reyna
96 lines
2.2 KiB
C
96 lines
2.2 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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/**The first point of the line. If `LV_USE_FLOAT` is enabled float number can be also used*/
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lv_point_precise_t p1;
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/**The second point of the line. If `LV_USE_FLOAT` is enabled float number can be also used*/
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lv_point_precise_t p2;
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/**The color of the line*/
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lv_color_t color;
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/**The width (thickness) of the line*/
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int32_t width;
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/** The length of a dash (0: don't dash)*/
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int32_t dash_width;
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/** The length of the gaps between dashes (0: don't dash)*/
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int32_t dash_gap;
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/**Opacity of the line in 0...255 range.
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* LV_OPA_TRANSP, LV_OPA_10, LV_OPA_20, .. LV_OPA_COVER can be used as well*/
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lv_opa_t opa;
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/**Make the line start rounded*/
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uint8_t round_start : 1;
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/**Make the line end rounded*/
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uint8_t round_end : 1;
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/**1: Do not bother with line ending (if it's not visible for any reason) */
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uint8_t raw_end : 1;
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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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