a80360ad38
It was used for the titlebar title, which is no longer relavant in current Clutter Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/3989>
113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
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#include <math.h>
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#include <stdlib.h>
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#include <clutter/clutter.h>
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#include "test-common.h"
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#define N_ACTORS 100
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#define N_EVENTS 5
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static gint n_actors = N_ACTORS;
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static gint n_events = N_EVENTS;
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static gboolean
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motion_event_cb (ClutterActor *actor, ClutterEvent *event, gpointer user_data)
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{
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return FALSE;
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}
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static void
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do_events (ClutterActor *stage)
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{
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glong i;
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static gdouble angle = 0;
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for (i = 0; i < n_events; i++)
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{
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angle += (2.0 * G_PI) / (gdouble)n_actors;
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while (angle > G_PI * 2.0)
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angle -= G_PI * 2.0;
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/* If we synthesized events, they would be motion compressed;
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* calling get_actor_at_position() doesn't have that problem
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*/
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clutter_stage_get_actor_at_pos (CLUTTER_STAGE (stage),
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CLUTTER_PICK_REACTIVE,
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(float) (256.0 + 206.0 * cos (angle)),
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(float) (256.0 + 206.0 * sin (angle)));
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}
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}
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static gboolean queue_redraw (gpointer data)
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{
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ClutterActor *stage = CLUTTER_ACTOR (data);
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clutter_actor_queue_redraw (stage);
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do_events (stage);
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return TRUE;
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}
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int
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main (int argc, char **argv)
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{
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glong i;
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gdouble angle;
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CoglColor color = { 0x00, 0x00, 0x00, 0xff };
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ClutterActor *stage, *rect;
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clutter_perf_fps_init ();
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clutter_test_init (&argc, &argv);
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stage = clutter_test_get_stage ();
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clutter_actor_set_size (stage, 512, 512);
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clutter_actor_set_background_color (CLUTTER_ACTOR (stage),
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&COGL_COLOR_INIT (0, 0, 0, 255));
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g_signal_connect (stage, "destroy", G_CALLBACK (clutter_test_quit), NULL);
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printf ("Picking performance test with "
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"%d actors and %d events per frame\n",
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n_actors,
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n_events);
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for (i = n_actors - 1; i >= 0; i--)
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{
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angle = ((2.0 * G_PI) / (gdouble) n_actors) * i;
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color.red =
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(uint8_t) ((1.0 - ABS ((MAX (0, MIN (n_actors / 2.0 + 0, i))) /
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(double)(n_actors / 4.0) - 1.0)) * 255.0);
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color.green =
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(uint8_t) ((1.0 - ABS ((MAX (0, MIN (n_actors / 2.0 + 0,
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fmod (i + (n_actors / 3.0) * 2, n_actors)))) /
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(double)(n_actors/4) - 1.0)) * 255.0);
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color.blue =
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(uint8_t) ((1.0 - ABS ((MAX (0, MIN (n_actors / 2.0 + 0,
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fmod ((i + (n_actors / 3.0)), n_actors)))) /
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(double)(n_actors / 4.0) - 1.0)) * 255.0);
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rect = clutter_actor_new ();
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clutter_actor_set_background_color (rect, &color);
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clutter_actor_set_size (rect, 100, 100);
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clutter_actor_set_translation (rect, -50.f, -50.f, 0.f);
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clutter_actor_set_position (rect,
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(float) (256 + 206 * cos (angle)),
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(float) (256 + 206 * sin (angle)));
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clutter_actor_set_reactive (rect, TRUE);
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g_signal_connect (rect, "motion-event",
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G_CALLBACK (motion_event_cb), NULL);
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clutter_actor_add_child (stage, rect);
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}
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clutter_actor_show (stage);
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clutter_perf_fps_start (CLUTTER_STAGE (stage));
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clutter_threads_add_idle (queue_redraw, stage);
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clutter_test_main ();
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clutter_perf_fps_report ("test-picking");
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return 0;
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}
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