/usr/share/clutter-1.0/cookbook/examples/animations-rotating.c is in libclutter-1.0-doc 1.24.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | #include <clutter/clutter.h>
#define ROTATION_ANGLE 75.0
#define DURATION 2000
static void
_set_next_state (ClutterState *transitions,
gpointer user_data)
{
const gchar *current = clutter_state_get_state (transitions);
gchar *next_state = "start";
if (g_strcmp0 (current, "start") == 0)
next_state = "x-cw";
else if (g_strcmp0 (current, "x-cw") == 0)
next_state = "x-ccw";
else if (g_strcmp0 (current, "x-ccw") == 0)
next_state = "x-after";
else if (g_strcmp0 (current, "x-after") == 0)
next_state = "y-cw";
else if (g_strcmp0 (current, "y-cw") == 0)
next_state = "y-ccw";
else if (g_strcmp0 (current, "y-ccw") == 0)
next_state = "y-after";
else if (g_strcmp0 (current, "y-after") == 0)
next_state = "z-cw";
else if (g_strcmp0 (current, "z-cw") == 0)
next_state = "z-ccw";
clutter_state_set_state (transitions, next_state);
}
int
main (int argc, char *argv[])
{
ClutterActor *stage;
ClutterActor *texture;
ClutterState *transitions;
GError *error = NULL;
gfloat texture_width, texture_height;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
texture = clutter_texture_new ();
clutter_actor_add_constraint (texture,
clutter_align_constraint_new (stage, CLUTTER_ALIGN_X_AXIS, 0.5));
clutter_actor_add_constraint (texture,
clutter_align_constraint_new (stage, CLUTTER_ALIGN_Y_AXIS, 0.5));
clutter_texture_set_sync_size (CLUTTER_TEXTURE (texture), TRUE);
clutter_texture_set_from_file (CLUTTER_TEXTURE (texture),
"redhand.png",
&error);
if (error != NULL)
{
g_error ("Problem loading image into texture - %s", error->message);
g_error_free (error);
return 1;
}
clutter_actor_get_size (texture, &texture_width, &texture_height);
clutter_actor_set_size (stage, texture_width * 2, texture_height * 2);
/* set all centres of rotation to the centre of the texture */
clutter_actor_set_rotation (texture,
CLUTTER_X_AXIS,
0.0,
texture_width * 0.5,
texture_height * 0.5,
0.0);
clutter_actor_set_rotation (texture,
CLUTTER_Y_AXIS,
0.0,
texture_width * 0.5,
texture_height * 0.5,
0.0);
clutter_actor_set_z_rotation_from_gravity (texture, 0.0, CLUTTER_GRAVITY_CENTER);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), texture);
/* set up the animations */
transitions = clutter_state_new ();
clutter_state_set (transitions, NULL, "start",
texture, "rotation-angle-x", CLUTTER_LINEAR, 0.0,
texture, "rotation-angle-y", CLUTTER_LINEAR, 0.0,
texture, "rotation-angle-z", CLUTTER_LINEAR, 0.0,
NULL);
clutter_state_set (transitions, NULL, "x-cw",
texture, "rotation-angle-x", CLUTTER_LINEAR, ROTATION_ANGLE,
NULL);
clutter_state_set (transitions, NULL, "x-ccw",
texture, "rotation-angle-x", CLUTTER_LINEAR, -ROTATION_ANGLE,
NULL);
clutter_state_set (transitions, NULL, "x-after",
texture, "rotation-angle-x", CLUTTER_LINEAR, 0.0,
NULL);
clutter_state_set (transitions, NULL, "y-cw",
texture, "rotation-angle-y", CLUTTER_LINEAR, ROTATION_ANGLE,
NULL);
clutter_state_set (transitions, NULL, "y-ccw",
texture, "rotation-angle-y", CLUTTER_LINEAR, -ROTATION_ANGLE,
NULL);
clutter_state_set (transitions, NULL, "y-after",
texture, "rotation-angle-y", CLUTTER_LINEAR, 0.0,
NULL);
clutter_state_set (transitions, NULL, "z-cw",
texture, "rotation-angle-z", CLUTTER_LINEAR, ROTATION_ANGLE,
NULL);
clutter_state_set (transitions, NULL, "z-ccw",
texture, "rotation-angle-z", CLUTTER_LINEAR, -ROTATION_ANGLE,
NULL);
clutter_state_set_duration (transitions, NULL, NULL, DURATION);
clutter_state_set_duration (transitions, "start", NULL, DURATION * 0.5);
clutter_state_set_duration (transitions, NULL, "start", DURATION * 0.5);
clutter_state_set_duration (transitions, NULL, "x-after", DURATION * 0.5);
clutter_state_set_duration (transitions, NULL, "y-after", DURATION * 0.5);
clutter_state_warp_to_state (transitions, "start");
g_signal_connect (transitions,
"completed",
G_CALLBACK (_set_next_state),
NULL);
clutter_state_set_state (transitions, "x-cw");
clutter_actor_show (stage);
clutter_main ();
return 0;
}
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