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example.c
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example.c
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/*
A simple example of using the gfx library.
CSE 20211
9/7/2011
by Prof. Thain
17/07/2021
by Leontios Mavropalias
*/
#include <stdio.h>
#include <stdlib.h>
#include "gfx.h"
#include "geometry.h"
#include "algos.h"
#include <unistd.h>
int main()
{
int ysize = 980;
int xsize = 1280;
// Open a new window for drawing.
gfx_open(xsize,ysize,"Example Graphics Program");
// Set the current drawing color to green.
gfx_color(0,200,100);
// Draw triangles and animate
Queue* q = malloc(sizeof(Queue));
queue_init(q);
Queue* q12 = malloc(sizeof(Queue));
Queue* q13 = malloc(sizeof(Queue));
Queue* q23 = malloc(sizeof(Queue));
queue_init(q12);
queue_init(q13);
queue_init(q23);
gfx_color(50,200,0);
Pixel pt1 = {{300, 20}, {255, 0, 0}};
Pixel pt2 = {{840, 650}, {0, 255, 0}};
Pixel pt3 = {{100, 800}, {0, 0, 255}};
algos_triangle_fill_bres(&pt1, &pt2, &pt3, q12, q13, q23);
Queue* q45 = malloc(sizeof(Queue));
Queue* q46 = malloc(sizeof(Queue));
Queue* q56 = malloc(sizeof(Queue));
queue_init(q45);
queue_init(q46);
queue_init(q56);
Pixel pt4 = {{800, 80}, {0, 0, 255}};
Pixel pt5 = {{500, 300}, {0, 255, 0}};
Pixel pt6 = {{700, 600}, {255, 0, 0}};
algos_triangle_fill_bres(&pt4, &pt5, &pt6, q45, q46, q56);
gfx_flush();
sleep(5);
gfx_clear();
queue_del(q12);
queue_del(q13);
queue_del(q23);
queue_del(q45);
queue_del(q56);
queue_del(q46);
queue_del(q);
free(q12);
free(q13);
free(q23);
free(q45);
free(q56);
free(q46);
free(q);
return 0;
}