static void
surface_to_from_global(void *data)
{
struct weston_compositor *compositor = data;
struct weston_surface *surface;
float x, y;
wl_fixed_t fx, fy;
int32_t ix, iy;
surface = weston_surface_create(compositor);
weston_surface_configure(surface, 5, 10, 50, 50);
weston_surface_update_transform(surface);
weston_surface_to_global_float(surface, 33, 22, &x, &y);
assert(x == 38 && y == 32);
weston_surface_to_global_float(surface, -8, -2, &x, &y);
assert(x == -3 && y == 8);
weston_surface_to_global_fixed(surface, wl_fixed_from_int(12),
wl_fixed_from_int(5), &fx, &fy);
assert(fx == wl_fixed_from_int(17) && fy == wl_fixed_from_int(15));
weston_surface_from_global_float(surface, 38, 32, &x, &y);
assert(x == 33 && y == 22);
weston_surface_from_global_float(surface, 42, 5, &x, &y);
assert(x == 37 && y == -5);
weston_surface_from_global_fixed(surface, wl_fixed_from_int(21),
wl_fixed_from_int(100), &fx, &fy);
assert(fx == wl_fixed_from_int(16) && fy == wl_fixed_from_int(90));
weston_surface_from_global(surface, 0, 0, &ix, &iy);
assert(ix == -5 && iy == -10);
weston_surface_from_global(surface, 5, 10, &ix, &iy);
assert(ix == 0 && iy == 0);
wl_display_terminate(compositor->wl_display);
}
static void
surface_transform(void *data)
{
struct weston_compositor *compositor = data;
struct weston_surface *surface;
float x, y;
surface = weston_surface_create(compositor);
weston_surface_configure(surface, 100, 100, 200, 200);
weston_surface_update_transform(surface);
weston_surface_to_global_float(surface, 20, 20, &x, &y);
fprintf(stderr, "20,20 maps to %f, %f\n", x, y);
assert(x == 120 && y == 120);
weston_surface_set_position(surface, 150, 300);
weston_surface_update_transform(surface);
weston_surface_to_global_float(surface, 50, 40, &x, &y);
assert(x == 200 && y == 340);
wl_display_terminate(compositor->wl_display);
}