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2764fa2f87
* clutter/clutter-actor.c: * clutter/clutter-shader.c: Small documentation and style fixes * tests/test-scale.c: Constify the gravities array.
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
#include <stdlib.h>
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#include <clutter/clutter.h>
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static const ClutterGravity gravities[] = {
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CLUTTER_GRAVITY_NORTH_EAST,
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CLUTTER_GRAVITY_NORTH,
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CLUTTER_GRAVITY_NORTH_WEST,
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CLUTTER_GRAVITY_WEST,
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CLUTTER_GRAVITY_SOUTH_WEST,
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CLUTTER_GRAVITY_SOUTH,
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CLUTTER_GRAVITY_SOUTH_EAST,
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CLUTTER_GRAVITY_EAST,
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CLUTTER_GRAVITY_CENTER,
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CLUTTER_GRAVITY_NONE
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};
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static gint gindex = 0;
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static void
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on_timeline_completed (ClutterTimeline *cluttertimeline,
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gpointer data)
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{
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ClutterActor *actor = CLUTTER_ACTOR (data);
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if (++gindex >= G_N_ELEMENTS (gravities))
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gindex = 0;
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clutter_actor_move_anchor_point_from_gravity (actor, gravities[gindex]);
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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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ClutterActor *stage, *rect;
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ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
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ClutterColor rect_color = { 0xff, 0xff, 0xff, 0x99 };
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ClutterTimeline *timeline;
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ClutterAlpha *alpha;
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ClutterBehaviour *behave;
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clutter_init (&argc, &argv);
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stage = clutter_stage_get_default ();
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clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
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clutter_actor_set_size (stage, 300, 300);
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rect = clutter_rectangle_new_with_color (&rect_color);
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clutter_actor_set_size (rect, 100, 100);
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clutter_actor_set_position (rect, 100, 100);
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clutter_group_add (CLUTTER_GROUP (stage), rect);
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rect_color.alpha = 0xff;
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rect = clutter_rectangle_new_with_color (&rect_color);
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clutter_actor_set_position (rect, 100, 100);
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clutter_actor_set_size (rect, 100, 100);
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clutter_actor_move_anchor_point_from_gravity (rect, CLUTTER_GRAVITY_CENTER);
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clutter_group_add (CLUTTER_GROUP (stage), rect);
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timeline = clutter_timeline_new_for_duration (750);
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alpha = clutter_alpha_new_full (timeline,
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CLUTTER_ALPHA_RAMP,
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NULL, NULL);
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behave = clutter_behaviour_scale_new (alpha,
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0.0, 0.0, /* scale start */
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1.0, 1.0); /* scale end */
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clutter_behaviour_apply (behave, rect);
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clutter_timeline_set_loop (timeline, TRUE);
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g_signal_connect (timeline, "completed",
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G_CALLBACK(on_timeline_completed), rect);
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clutter_timeline_start (timeline);
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clutter_actor_show_all (stage);
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clutter_main();
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g_object_unref (timeline);
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g_object_unref (behave);
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return EXIT_SUCCESS;
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}
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