mutter/tests/interactive/test-animation.c
Emmanuele Bassi 47150304cd 2008-11-20 Emmanuele Bassi <ebassi@linux.intel.com>
* clutter/clutter-actor.c:
	(clutter_actor_set_property): Add sanity checks for NULL
	boxed values when setting the rotation center.

	* tests/interactive/test-animation.c:
	(on_button_press): Add an example on how to use the rotation
	properties to animate an actor.
2008-11-20 10:52:09 +00:00

108 lines
3.1 KiB
C

#include <stdlib.h>
#include <gmodule.h>
#include <clutter/clutter.h>
static gboolean is_expanded = FALSE;
static void
on_animation_complete (ClutterAnimation *animation,
ClutterActor *actor)
{
is_expanded = !is_expanded;
g_print ("Animation complete\n");
clutter_actor_set_reactive (actor, TRUE);
}
static gboolean
on_button_press (ClutterActor *actor,
ClutterButtonEvent *event,
gpointer dummy)
{
ClutterAnimation *animation;
gint old_x, old_y, new_x, new_y;
guint old_width, old_height, new_width, new_height;
guint8 old_op, new_op;
gdouble new_angle;
ClutterVertex vertex = { 0, };
clutter_actor_get_position (actor, &old_x, &old_y);
clutter_actor_get_size (actor, &old_width, &old_height);
old_op = clutter_actor_get_opacity (actor);
/* determine the final state of the animation depending on
* the state of the actor
*/
if (!is_expanded)
{
new_x = old_x - 100;
new_y = old_y - 100;
new_width = old_width + 200;
new_height = old_height + 200;
new_op = 255;
new_angle = 360.0;
}
else
{
new_x = old_x + 100;
new_y = old_y + 100;
new_width = old_width - 200;
new_height = old_height - 200;
new_op = 128;
new_angle = 0.0;
}
vertex.x = CLUTTER_UNITS_FROM_FLOAT ((float) new_width / 2);
vertex.y = CLUTTER_UNITS_FROM_FLOAT ((float) new_height / 2);
animation =
clutter_actor_animate (actor, CLUTTER_EASE_IN, 2000,
"x", new_x,
"y", new_y,
"width", new_width,
"height", new_height,
"opacity", new_op,
"rotation-angle-z", new_angle,
"fixed::rotation-center-z", &vertex,
"fixed::reactive", FALSE,
NULL);
g_signal_connect (animation,
"completed", G_CALLBACK (on_animation_complete),
actor);
return TRUE;
}
G_MODULE_EXPORT int
test_animation_main (int argc, char *argv[])
{
ClutterActor *stage, *rect;
ClutterColor stage_color = { 0x66, 0x66, 0xdd, 0xff };
ClutterColor rect_color = { 0x44, 0xdd, 0x44, 0xff };
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
rect = clutter_rectangle_new_with_color (&rect_color);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
clutter_actor_set_size (rect, 50, 50);
clutter_actor_set_anchor_point (rect, 25, 25);
clutter_actor_set_position (rect,
clutter_actor_get_width (stage) / 2,
clutter_actor_get_height (stage) / 2);
clutter_actor_set_opacity (rect, 0x88);
clutter_actor_set_reactive (rect, TRUE);
g_signal_connect (rect,
"button-press-event", G_CALLBACK (on_button_press),
NULL);
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}