int main(void)
{
double dist, sqrt(double);
struct point *pp, pt, middle, ptmp;
struct rect screen;
pt = makepoint(320,240);
ptmp = makepoint(640,480);
printf("%d, %d\n", pt.x, pt.y);
printf("%d, %d\n", ptmp.x, ptmp.y);
ptmp = addpoint(pt, ptmp);
pp = &ptmp;
printf("%d, %d\n", (*pp).x, (*pp).y);
printf("%d, %d\n", pp->x, pp->y);
dist = sqrt((double)pt.x * pt.x + (double)pt.y * pt.y);
printf("%f\n", dist);
screen = makerect(makepoint(0,0), makepoint(XMAX, YMAX));
middle = makepoint((screen.pt1.x + screen.pt2.x)/2,
(screen.pt1.y + screen.pt2.y)/2);
printf("%d, %d\n", middle.x, middle.y);
pt = makepoint(2000,2000);
printf(ptinrect(pt, screen) == 1 ? "point is in rec.\n ":"point is out rect.\n");
return 0;
}
//
// structures
void structures()
{
t_point *pt = makepoint(2, 3, "alfa");
printpoint(pt);
t_rect *rect = makerect(*makepoint(10, 10, "p1"), *makepoint(20, 20, "p2"));
printrect(rect);
printf("Area: %d\n", calcarea(rect));
printf("Area: %d\n", calcarea2(*rect));
free(pt);
free(rect);
}
main() {
int i;
point x, origin = { 0, 0 }, maxpt = { 320, 320 };
point pts[] = { -1, -1, 1, 1, 20, 300, 500, 400 };
rect screen = makerect(addpoint(maxpt, makepoint(-10, -10)),
addpoint(origin, makepoint(10, 10)));
for (i = 0; i < sizeof pts/sizeof pts[0]; i++) {
printf("(%d,%d) is ", pts[i].x,
(x = makepoint(pts[i].x, pts[i].y)).y);
if (ptinrect(x, screen) == 0)
printf("not ");
printf("within [%d,%d; %d,%d]\n", screen.pt1.x, screen.pt1.y,
screen.pt2.x, screen.pt2.y);
}
odd(y);
return 0;
}
int main() {
struct point p, p1, p2;
struct rect r;
p1 = makepoint(4, 6);
p2 = makepoint(6, 4);
p = addpoints(p1, p2);
/* p.x = 4; // punkt, który ma odciętą 4
p.y = 6; // punkt, który ma odciętą 6
(zamiast tego mamy makepoint) */
printf("p = (%d, %d)\n", p.x, p.y);
r = makerect(p1, p2);
printf("r = (%d, %d) (%d, %d)\n", r.ll.x, r.ll.y, r.ur.x, r.ur.y);
return 0;
}
