weston/tests/surface-global-test.c

/*
 * Copyright © 2012 Intel Corporation
 *
 * Permission to use, copy, modify, distribute, and sell this software and
 * its documentation for any purpose is hereby granted without fee, provided
 * that the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of the copyright holders not be used in
 * advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.  The copyright holders make
 * no representations about the suitability of this software for any
 * purpose.  It is provided "as is" without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <assert.h>

#include "../src/compositor.h"

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);
}

WL_EXPORT int
module_init(struct weston_compositor *compositor)
{
	struct wl_event_loop *loop;

	loop = wl_display_get_event_loop(compositor->wl_display);

	wl_event_loop_add_idle(loop, surface_to_from_global, compositor);

	return 0;
}