typedef struct { | |
int a, b, c, d, e, f; | |
} A; | |
void foo (A *v, int w, int x, int *y, int *z) | |
{ | |
} | |
void | |
bar (A *v, int x, int y, int w, int h) | |
{ | |
if (v->a != x || v->b != y) { | |
int oldw = w; | |
int oldh = h; | |
int e = v->e; | |
int f = v->f; | |
int dx, dy; | |
foo(v, 0, 0, &w, &h); | |
dx = (oldw - w) * (double) e/2.0; | |
dy = (oldh - h) * (double) f/2.0; | |
x += dx; | |
y += dy; | |
v->a = x; | |
v->b = y; | |
v->c = w; | |
v->d = h; | |
} | |
} | |
int main () | |
{ | |
A w = { 100, 110, 20, 30, -1, -1 }; | |
bar (&w,400,420,50,70); | |
if (w.d != 70) | |
abort(); | |
exit(0); | |
} |