mirror of
https://github.com/brl/mutter.git
synced 2024-12-24 20:12:06 +00:00
141 lines
3.6 KiB
C
141 lines
3.6 KiB
C
|
|
#include <math.h>
|
|
#include <stdlib.h>
|
|
#include <clutter/clutter.h>
|
|
|
|
#define N_ACTORS 100
|
|
#define N_EVENTS 5
|
|
|
|
static gint n_actors = N_ACTORS;
|
|
static gint n_events = N_EVENTS;
|
|
|
|
static GOptionEntry entries[] = {
|
|
{
|
|
"num-actors", 'a',
|
|
0,
|
|
G_OPTION_ARG_INT, &n_actors,
|
|
"Number of actors", "ACTORS"
|
|
},
|
|
{
|
|
"num-events", 'e',
|
|
0,
|
|
G_OPTION_ARG_INT, &n_events,
|
|
"Number of events", "EVENTS"
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
static gboolean
|
|
motion_event_cb (ClutterActor *actor, ClutterEvent *event, gpointer user_data)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
do_events (ClutterActor *stage)
|
|
{
|
|
glong i;
|
|
static gdouble angle = 0;
|
|
|
|
for (i = 0; i < n_events; i++)
|
|
{
|
|
angle += (2.0 * G_PI) / (gdouble)n_actors;
|
|
while (angle > G_PI * 2.0)
|
|
angle -= G_PI * 2.0;
|
|
|
|
/* If we synthesized events, they would be motion compressed;
|
|
* calling get_actor_at_position() doesn't have that problem
|
|
*/
|
|
clutter_stage_get_actor_at_pos (CLUTTER_STAGE (stage),
|
|
CLUTTER_PICK_REACTIVE,
|
|
256.0 + 206.0 * cos (angle),
|
|
256.0 + 206.0 * sin (angle));
|
|
}
|
|
}
|
|
|
|
static void
|
|
on_paint (ClutterActor *stage, gconstpointer *data)
|
|
{
|
|
do_events (stage);
|
|
}
|
|
|
|
static gboolean
|
|
queue_redraw (gpointer stage)
|
|
{
|
|
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
glong i;
|
|
gdouble angle;
|
|
ClutterColor color = { 0x00, 0x00, 0x00, 0xff };
|
|
ClutterActor *stage, *rect;
|
|
GError *error = NULL;
|
|
|
|
g_setenv ("CLUTTER_VBLANK", "none", FALSE);
|
|
g_setenv ("CLUTTER_DEFAULT_FPS", "1000", FALSE);
|
|
g_setenv ("CLUTTER_SHOW_FPS", "1", FALSE);
|
|
|
|
if (clutter_init_with_args (&argc, &argv,
|
|
NULL,
|
|
entries,
|
|
NULL,
|
|
&error) != CLUTTER_INIT_SUCCESS)
|
|
return 1;
|
|
|
|
stage = clutter_stage_new ();
|
|
clutter_actor_set_size (stage, 512, 512);
|
|
clutter_stage_set_color (CLUTTER_STAGE (stage), CLUTTER_COLOR_Black);
|
|
clutter_stage_set_title (CLUTTER_STAGE (stage), "Picking");
|
|
|
|
printf ("Picking performance test with "
|
|
"%d actors and %d events per frame\n",
|
|
n_actors,
|
|
n_events);
|
|
|
|
for (i = n_actors - 1; i >= 0; i--)
|
|
{
|
|
angle = ((2.0 * G_PI) / (gdouble) n_actors) * i;
|
|
|
|
color.red = (1.0 - ABS ((MAX (0, MIN (n_actors/2.0 + 0, i))) /
|
|
(gdouble)(n_actors/4.0) - 1.0)) * 255.0;
|
|
color.green = (1.0 - ABS ((MAX (0, MIN (n_actors/2.0 + 0,
|
|
fmod (i + (n_actors/3.0)*2, n_actors)))) /
|
|
(gdouble)(n_actors/4) - 1.0)) * 255.0;
|
|
color.blue = (1.0 - ABS ((MAX (0, MIN (n_actors/2.0 + 0,
|
|
fmod ((i + (n_actors/3.0)), n_actors)))) /
|
|
(gdouble)(n_actors/4.0) - 1.0)) * 255.0;
|
|
|
|
rect = clutter_rectangle_new_with_color (&color);
|
|
clutter_actor_set_size (rect, 100, 100);
|
|
clutter_actor_set_anchor_point_from_gravity (rect,
|
|
CLUTTER_GRAVITY_CENTER);
|
|
clutter_actor_set_position (rect,
|
|
256 + 206 * cos (angle),
|
|
256 + 206 * sin (angle));
|
|
clutter_actor_set_reactive (rect, TRUE);
|
|
g_signal_connect (rect, "motion-event",
|
|
G_CALLBACK (motion_event_cb), NULL);
|
|
|
|
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
|
|
}
|
|
|
|
clutter_actor_show (stage);
|
|
|
|
clutter_threads_add_idle (queue_redraw, stage);
|
|
|
|
g_signal_connect (stage, "paint", G_CALLBACK (on_paint), NULL);
|
|
|
|
clutter_main ();
|
|
|
|
clutter_actor_destroy (stage);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|