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lvgl/src/lv_draw/lv_draw_triangle.h
Sven Krauß 28f74bd91d Make several descriptor parameters const, update parameter docs.
Making the descriptor const allows to use static initialized variables.
2020-08-05 10:53:03 +02:00

57 lines
1.3 KiB
C

/**
* @file lv_draw_triangle.h
*
*/
#ifndef LV_DRAW_TRIANGLE_H
#define LV_DRAW_TRIANGLE_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#include "lv_draw_rect.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Draw a triangle
* @param points pointer to an array with 3 points
* @param clip_area the triangle will be drawn only in this area
* @param draw_dsc pointer to an initialized `lv_draw_rect_dsc_t` variable
*/
void lv_draw_triangle(const lv_point_t points[], const lv_area_t * clip, const lv_draw_rect_dsc_t * draw_dsc);
/**
* Draw a polygon. Only convex polygons are supported.
* @param points an array of points
* @param point_cnt number of points
* @param clip_area polygon will be drawn only in this area
* @param draw_dsc pointer to an initialized `lv_draw_rect_dsc_t` variable
*/
void lv_draw_polygon(const lv_point_t points[], uint16_t point_cnt, const lv_area_t * mask,
const lv_draw_rect_dsc_t * draw_dsc);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_DRAW_TRIANGLE_H*/