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/**
* @file lv_draw_triangle.c
*
*/
/*********************
* INCLUDES
*********************/
#include "lv_draw_triangle_private.h"
#include "lv_draw_private.h"
#include "../core/lv_obj.h"
#include "../misc/lv_math.h"
#include "../stdlib/lv_mem.h"
#include "../stdlib/lv_string.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
/**********************
* STATIC VARIABLES
**********************/
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
void lv_draw_triangle_dsc_init(lv_draw_triangle_dsc_t * dsc)
{
LV_PROFILER_BEGIN;
lv_memzero(dsc, sizeof(lv_draw_triangle_dsc_t));
dsc->bg_color = lv_color_white();
dsc->bg_grad.stops[0].color = lv_color_white();
dsc->bg_grad.stops[1].color = lv_color_black();
dsc->bg_grad.stops[1].frac = 0xFF;
dsc->bg_grad.stops_count = 2;
dsc->bg_opa = LV_OPA_COVER;
LV_PROFILER_END;
}
lv_draw_triangle_dsc_t * lv_draw_task_get_triangle_dsc(lv_draw_task_t * task)
{
return task->type == LV_DRAW_TASK_TYPE_TRIANGLE ? (lv_draw_triangle_dsc_t *)task->draw_dsc : NULL;
}
void lv_draw_triangle(lv_layer_t * layer, const lv_draw_triangle_dsc_t * dsc)
{
if(dsc->bg_opa <= LV_OPA_MIN) return;
LV_PROFILER_BEGIN;
lv_area_t a;
a.x1 = (int32_t)LV_MIN3(dsc->p[0].x, dsc->p[1].x, dsc->p[2].x);
a.y1 = (int32_t)LV_MIN3(dsc->p[0].y, dsc->p[1].y, dsc->p[2].y);
a.x2 = (int32_t)LV_MAX3(dsc->p[0].x, dsc->p[1].x, dsc->p[2].x);
a.y2 = (int32_t)LV_MAX3(dsc->p[0].y, dsc->p[1].y, dsc->p[2].y);
lv_draw_task_t * t = lv_draw_add_task(layer, &a);
t->draw_dsc = lv_malloc(sizeof(*dsc));
lv_memcpy(t->draw_dsc, dsc, sizeof(*dsc));
t->type = LV_DRAW_TASK_TYPE_TRIANGLE;
lv_draw_finalize_task_creation(layer, t);
LV_PROFILER_END;
}
/**********************
* STATIC FUNCTIONS
**********************/
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