mirror of
https://github.com/brl/mutter.git
synced 2024-11-24 00:50:42 -05:00
47150304cd
* 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.
108 lines
3.1 KiB
C
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;
|
|
}
|