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72 lines
1.4 KiB
C
72 lines
1.4 KiB
C
/**
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* @file 2d.h
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*
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*/
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#ifndef _2D_H
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#define _2D_H
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/*********************
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* INCLUDES
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*********************/
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#include "lv_conf.h"
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#include <string.h>
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#include <stdbool.h>
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#include <stdint.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 LV_CORD_TYPE cord_t;
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typedef struct
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{
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cord_t x;
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cord_t y;
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}point_t;
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typedef struct
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{
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cord_t x1;
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cord_t y1;
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cord_t x2;
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cord_t y2;
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}area_t;
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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static void inline area_cpy(area_t * dest, const area_t * src)
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{
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memcpy(dest, src, sizeof(area_t));
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}
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static inline cord_t area_get_width(const area_t * area_p)
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{
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return area_p->x2 - area_p->x1 + 1;
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}
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static inline cord_t area_get_height(const area_t * area_p)
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{
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return area_p->y2 - area_p->y1 + 1;
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}
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void area_set(area_t * area_p, cord_t x1, cord_t y1, cord_t x2, cord_t y2);
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uint32_t area_get_size(const area_t * area_p);
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bool area_union(area_t * res_p, const area_t * a1_p, const area_t * a2_p);
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void area_join(area_t * a_res_p, const area_t * a1_p, const area_t * a2_p);
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bool area_is_point_on(const area_t * a_p, const point_t * p_p);
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bool area_is_on(const area_t * a1_p, const area_t * a2_p);
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bool area_is_in(const area_t * a_in, const area_t * a_holder);
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/**********************
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* MACROS
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**********************/
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#endif
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