#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 * M_PI) / (gdouble)n_actors; while (angle > M_PI * 2.0) angle -= M_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 gboolean fps_cb (gpointer data) { ClutterActor *stage = CLUTTER_ACTOR (data); static GTimer *timer = NULL; static gint fps = 0; if (!timer) { timer = g_timer_new (); g_timer_start (timer); } if (g_timer_elapsed (timer, NULL) >= 1) { printf ("fps: %d\n", fps); g_timer_start (timer); fps = 0; } clutter_actor_paint (stage); do_events (stage); ++fps; return TRUE; } int main (int argc, char **argv) { glong i; gdouble angle; const ClutterColor black = { 0x00, 0x00, 0x00, 0xff }; ClutterColor color = { 0x00, 0x00, 0x00, 0xff }; ClutterActor *stage, *rect; clutter_init_with_args (&argc, &argv, NULL, entries, NULL, NULL); stage = clutter_stage_get_default (); clutter_actor_set_size (stage, 512, 512); clutter_stage_set_color (CLUTTER_STAGE (stage), &black); 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 * M_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); g_idle_add (fps_cb, (gpointer)stage); clutter_main (); return 0; }