void
meta_compositor_flash_window (MetaCompositor *compositor,
MetaWindow *window)
{
ClutterActor *window_actor =
CLUTTER_ACTOR (meta_window_get_compositor_private (window));
ClutterActor *flash;
ClutterTransition *transition;
flash = clutter_actor_new ();
clutter_actor_set_background_color (flash, CLUTTER_COLOR_Black);
clutter_actor_set_size (flash, window->rect.width, window->rect.height);
clutter_actor_set_position (flash,
window->custom_frame_extents.left,
window->custom_frame_extents.top);
clutter_actor_set_opacity (flash, 0);
clutter_actor_add_child (window_actor, flash);
clutter_actor_save_easing_state (flash);
clutter_actor_set_easing_mode (flash, CLUTTER_EASE_IN_QUAD);
clutter_actor_set_easing_duration (flash, FLASH_TIME_MS);
clutter_actor_set_opacity (flash, 192);
transition = clutter_actor_get_transition (flash, "opacity");
clutter_timeline_set_auto_reverse (CLUTTER_TIMELINE (transition), TRUE);
clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), 2);
g_signal_connect (transition, "stopped",
G_CALLBACK (window_flash_out_completed), flash);
clutter_actor_restore_easing_state (flash);
}
void
meta_compositor_flash_screen (MetaCompositor *compositor,
MetaScreen *screen)
{
ClutterActor *stage;
ClutterActor *flash;
ClutterTransition *transition;
gfloat width, height;
stage = meta_get_stage_for_screen (screen);
clutter_actor_get_size (stage, &width, &height);
flash = clutter_actor_new ();
clutter_actor_set_background_color (flash, CLUTTER_COLOR_Black);
clutter_actor_set_size (flash, width, height);
clutter_actor_set_opacity (flash, 0);
clutter_actor_add_child (stage, flash);
clutter_actor_save_easing_state (flash);
clutter_actor_set_easing_mode (flash, CLUTTER_EASE_IN_QUAD);
clutter_actor_set_easing_duration (flash, FLASH_TIME_MS);
clutter_actor_set_opacity (flash, 192);
transition = clutter_actor_get_transition (flash, "opacity");
clutter_timeline_set_auto_reverse (CLUTTER_TIMELINE (transition), TRUE);
clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), 2);
g_signal_connect (transition, "stopped",
G_CALLBACK (flash_out_completed), flash);
clutter_actor_restore_easing_state (flash);
}
G_MODULE_EXPORT int
test_cairo_flowers_main (int argc, char **argv)
{
Flower *flowers[N_FLOWERS];
ClutterTimeline *timeline;
int i;
srand (time (NULL));
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
/* Create a timeline to manage animation */
timeline = clutter_timeline_new (6000);
clutter_timeline_set_repeat_count (timeline, -1);
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Cairo Flowers");
g_signal_connect (stage, "destroy", G_CALLBACK (stop_and_quit), timeline);
clutter_actor_set_background_color (stage, CLUTTER_COLOR_Black);
for (i=0; i< N_FLOWERS; i++)
{
flowers[i] = g_new0(Flower, 1);
flowers[i]->ctex = make_flower_actor();
flowers[i]->x = rand() % (int) clutter_actor_get_width (stage)
- (PETAL_MIN + PETAL_VAR) * 2;
flowers[i]->y = rand() % (int) clutter_actor_get_height (stage);
flowers[i]->rv = rand() % 5 + 1;
flowers[i]->v = rand() % 10 + 2;
clutter_container_add_actor (CLUTTER_CONTAINER (stage),
flowers[i]->ctex);
clutter_actor_set_position (flowers[i]->ctex,
flowers[i]->x, flowers[i]->y);
}
/* fire a callback for frame change */
g_signal_connect (timeline, "new-frame", G_CALLBACK (tick), flowers);
clutter_actor_show (stage);
clutter_timeline_start (timeline);
g_signal_connect (stage, "key-press-event",
G_CALLBACK (clutter_main_quit),
NULL);
clutter_main();
g_object_unref (timeline);
return EXIT_SUCCESS;
}
static ClutterTransition *
create_fade_out_transition()
{
auto transition = clutter_property_transition_new("opacity");
clutter_transition_set_from(transition, G_TYPE_UINT, 255);
clutter_transition_set_to(transition, G_TYPE_UINT, 0);
clutter_timeline_set_duration(CLUTTER_TIMELINE(transition), FADE_DURATION);
clutter_timeline_set_repeat_count(CLUTTER_TIMELINE(transition), 0);
clutter_timeline_set_progress_mode(CLUTTER_TIMELINE(transition), CLUTTER_EASE_IN_OUT_CUBIC);
return transition;
}
G_MODULE_EXPORT int
test_keyframe_transition_main (int argc, char *argv[])
{
ClutterActor *stage;
int i;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return EXIT_FAILURE;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Keyframe Transitions");
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
for (i = 0; i < 3; i++)
{
ClutterTransition *transition, *group;
ClutterActor *rect;
float cur_x, cur_y;
float new_x, new_y;
gchar *name;
cur_x = PADDING;
cur_y = PADDING + ((SIZE + PADDING) * i);
new_x = clutter_actor_get_width (stage) - PADDING - SIZE;
new_y = g_random_double_range (PADDING, clutter_actor_get_height (stage) - PADDING - SIZE);
name = g_strdup_printf ("rect%02d", i);
rect = clutter_actor_new ();
clutter_actor_set_name (rect, name);
clutter_actor_set_background_color (rect, &colors[i]);
clutter_actor_set_size (rect, SIZE, SIZE);
clutter_actor_set_position (rect, PADDING, cur_y);
clutter_actor_add_child (stage, rect);
group = clutter_transition_group_new ();
clutter_timeline_set_duration (CLUTTER_TIMELINE (group), 2000);
clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (group), 1);
clutter_timeline_set_auto_reverse (CLUTTER_TIMELINE (group), TRUE);
transition = clutter_keyframe_transition_new ("x");
clutter_transition_set_from (transition, G_TYPE_FLOAT, cur_x);
clutter_transition_set_to (transition, G_TYPE_FLOAT, new_x);
clutter_keyframe_transition_set (CLUTTER_KEYFRAME_TRANSITION (transition),
G_TYPE_FLOAT, 1,
0.5, new_x / 2.0f, CLUTTER_EASE_OUT_EXPO);
clutter_transition_group_add_transition (CLUTTER_TRANSITION_GROUP (group), transition);
g_object_unref (transition);
transition = clutter_keyframe_transition_new ("y");
clutter_transition_set_from (transition, G_TYPE_FLOAT, cur_y);
clutter_transition_set_to (transition, G_TYPE_FLOAT, cur_y);
clutter_keyframe_transition_set (CLUTTER_KEYFRAME_TRANSITION (transition),
G_TYPE_FLOAT, 1,
0.5, new_y, CLUTTER_EASE_OUT_EXPO);
clutter_transition_group_add_transition (CLUTTER_TRANSITION_GROUP (group), transition);
g_object_unref (transition);
clutter_actor_add_transition (rect, "rectAnimation", group);
g_signal_connect (rect, "transition-stopped",
G_CALLBACK (on_transition_stopped),
NULL);
g_object_unref (group);
g_free (name);
}
clutter_actor_show (stage);
clutter_main ();
return EXIT_SUCCESS;
}
int
main (int argc, char *argv[])
{
ClutterTimeline *timeline;
ClutterActor *stage;
GtkWidget *window, *stack, *clutter;
GtkWidget *label, *button, *vbox;
GdkPixbuf *pixbuf;
SuperOH *oh;
gint i;
GError *error;
error = NULL;
if (gtk_clutter_init_with_args (&argc, &argv,
NULL,
NULL,
NULL,
&error) != CLUTTER_INIT_SUCCESS)
{
if (error)
{
g_critical ("Unable to initialize Clutter-GTK: %s", error->message);
g_error_free (error);
return EXIT_FAILURE;
}
else
g_error ("Unable to initialize Clutter-GTK");
}
/* calling gtk_clutter_init* multiple times should be safe */
g_assert (gtk_clutter_init (NULL, NULL) == CLUTTER_INIT_SUCCESS);
pixbuf = gdk_pixbuf_new_from_file (EXAMPLES_DATADIR G_DIR_SEPARATOR_S "redhand.png", NULL);
if (!pixbuf)
g_error("pixbuf load failed");
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size (GTK_WINDOW (window), WINWIDTH, WINHEIGHT);
gtk_window_set_title (GTK_WINDOW (window), "Clutter Embedding");
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
vbox = gtk_grid_new ();
gtk_orientable_set_orientation (GTK_ORIENTABLE (vbox), GTK_ORIENTATION_VERTICAL);
gtk_widget_set_hexpand (vbox, TRUE);
gtk_widget_set_vexpand (vbox, TRUE);
gtk_container_add (GTK_CONTAINER (window), vbox);
stack = gtk_stack_new ();
gtk_container_add (GTK_CONTAINER (vbox), stack);
label = gtk_label_new ("This is a label in a stack");
gtk_stack_add_named (GTK_STACK (stack), label, "label");
clutter = gtk_clutter_embed_new ();
gtk_stack_add_named (GTK_STACK (stack), clutter, "clutter");
gtk_widget_realize (clutter);
stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (clutter));
clutter_actor_set_background_color (stage, CLUTTER_COLOR_LightSkyBlue);
label = gtk_label_new ("This is a label");
gtk_container_add (GTK_CONTAINER (vbox), label);
gtk_widget_set_hexpand (label, TRUE);
button = gtk_button_new_with_label ("This is a button...clicky");
g_signal_connect (button, "clicked", G_CALLBACK (clickity), stack);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_set_hexpand (button, TRUE);
button = gtk_button_new_with_mnemonic ("_Fullscreen");
g_signal_connect (button, "clicked",
G_CALLBACK (on_fullscreen),
window);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_set_hexpand (button, TRUE);
button = gtk_button_new_with_mnemonic ("_Quit");
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gtk_widget_destroy),
window);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_set_hexpand (button, TRUE);
oh = g_new (SuperOH, 1);
oh->stage = stage;
oh->group = clutter_actor_new ();
clutter_actor_set_pivot_point (oh->group, 0.5, 0.5);
for (i = 0; i < NHANDS; i++)
{
gint x, y, w, h;
/* Create a texture from pixbuf, then clone in to same resources */
if (i == 0)
{
oh->hand[i] = gtk_clutter_texture_new ();
gtk_clutter_texture_set_from_pixbuf (GTK_CLUTTER_TEXTURE (oh->hand[i]), pixbuf, NULL);
}
else
oh->hand[i] = clutter_clone_new (oh->hand[0]);
/* Place around a circle */
w = clutter_actor_get_width (oh->hand[0]);
h = clutter_actor_get_height (oh->hand[0]);
x = WINWIDTH / 2 + RADIUS * cos (i * M_PI / (NHANDS / 2)) - w / 2;
y = WINHEIGHT / 2 + RADIUS * sin (i * M_PI / (NHANDS / 2)) - h / 2;
clutter_actor_set_position (oh->hand[i], x, y);
clutter_actor_set_pivot_point (oh->hand[i], 0.5, 0.5);
/* Add to our group group */
clutter_actor_add_child (oh->group, oh->hand[i]);
}
/* Add the group to the stage */
clutter_actor_add_child (stage, oh->group);
clutter_actor_add_constraint (oh->group, clutter_align_constraint_new (oh->stage, CLUTTER_ALIGN_BOTH, 0.5));
g_signal_connect (stage, "button-press-event",
G_CALLBACK (input_cb),
oh);
g_signal_connect (stage, "key-release-event",
G_CALLBACK (input_cb),
oh);
gtk_widget_show_all (window);
/* Create a timeline to manage animation */
timeline = clutter_timeline_new (6000);
clutter_timeline_set_repeat_count (timeline, -1);
/* fire a callback for frame change */
g_signal_connect (timeline, "new-frame", G_CALLBACK (frame_cb), oh);
/* and start it */
clutter_timeline_start (timeline);
gtk_main ();
return 0;
}
G_MODULE_EXPORT int
test_scale_main (int argc, char *argv[])
{
ClutterActor *stage, *rect;
ClutterColor rect_color = { 0xff, 0xff, 0xff, 0x99 };
ClutterTimeline *timeline;
ClutterAlpha *alpha;
ClutterBehaviour *behave;
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Scaling");
clutter_actor_set_background_color (stage, CLUTTER_COLOR_Black);
clutter_actor_set_size (stage, 300, 300);
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
rect = clutter_rectangle_new_with_color (&rect_color);
clutter_actor_set_size (rect, 100, 100);
clutter_actor_set_position (rect, 100, 100);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
label = clutter_text_new_with_text ("Sans 20px", "");
clutter_text_set_color (CLUTTER_TEXT (label), CLUTTER_COLOR_White);
clutter_actor_set_position (label,
clutter_actor_get_x (rect),
clutter_actor_get_y (rect)
+ clutter_actor_get_height (rect));
clutter_container_add_actor (CLUTTER_CONTAINER (stage), label);
rect_color.alpha = 0xff;
rect = clutter_rectangle_new_with_color (&rect_color);
clutter_actor_set_position (rect, 100, 100);
clutter_actor_set_size (rect, 100, 100);
set_next_gravity (rect);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
timeline = clutter_timeline_new (750);
alpha = clutter_alpha_new_with_func (timeline,
my_ramp_func,
NULL, NULL);
behave = clutter_behaviour_scale_new (alpha,
0.0, 0.0, /* scale start */
1.0, 1.0); /* scale end */
clutter_behaviour_apply (behave, rect);
clutter_timeline_set_repeat_count (timeline, -1);
g_signal_connect_swapped (timeline, "completed",
G_CALLBACK (set_next_gravity), rect);
clutter_timeline_start (timeline);
clutter_actor_show_all (stage);
clutter_main();
g_object_unref (timeline);
g_object_unref (behave);
return EXIT_SUCCESS;
}
int
main (int argc, char *argv[])
{
ClutterActor *stage, *actor;
ClutterContent *canvas;
ClutterTransition *transition;
/* initialize Clutter */
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return EXIT_FAILURE;
/* create a stage */
stage = clutter_stage_new ();
clutter_stage_set_title (CLUTTER_STAGE (stage), "Rectangle with rounded corners");
clutter_actor_set_background_color (stage, CLUTTER_COLOR_Black);
clutter_actor_set_size (stage, 500, 500);
clutter_actor_show (stage);
/* our 2D canvas, courtesy of Cairo */
canvas = clutter_canvas_new ();
clutter_canvas_set_size (CLUTTER_CANVAS (canvas), 300, 300);
/* the actor that will display the contents of the canvas */
actor = clutter_actor_new ();
clutter_actor_set_content (actor, canvas);
clutter_actor_set_content_gravity (actor, CLUTTER_CONTENT_GRAVITY_CENTER);
clutter_actor_set_content_scaling_filters (actor,
CLUTTER_SCALING_FILTER_TRILINEAR,
CLUTTER_SCALING_FILTER_LINEAR);
clutter_actor_set_pivot_point (actor, 0.5f, 0.5f);
clutter_actor_add_constraint (actor, clutter_align_constraint_new (stage, CLUTTER_ALIGN_BOTH, 0.5));
clutter_actor_set_request_mode (actor, CLUTTER_REQUEST_CONTENT_SIZE);
clutter_actor_add_child (stage, actor);
/* the actor now owns the canvas */
g_object_unref (canvas);
/* create the continuous animation of the actor spinning around its center */
transition = clutter_property_transition_new ("rotation-angle-y");
clutter_transition_set_from (transition, G_TYPE_DOUBLE, 0.0);
clutter_transition_set_to (transition, G_TYPE_DOUBLE, 360.0);
clutter_timeline_set_duration (CLUTTER_TIMELINE (transition), 2000);
clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), -1);
clutter_actor_add_transition (actor, "rotateActor", transition);
/* the actor now owns the transition */
g_object_unref (transition);
/* quit on destroy */
g_signal_connect (stage, "destroy", G_CALLBACK (clutter_main_quit), NULL);
/* connect our drawing code */
g_signal_connect (canvas, "draw", G_CALLBACK (draw_content), NULL);
/* invalidate the canvas, so that we can draw before the main loop starts */
clutter_content_invalidate (canvas);
clutter_main ();
return EXIT_SUCCESS;
}
static void
set_up_stage (CalibArea *calib_area, ClutterActor *stage)
{
ClutterPoint anchor;
ClutterColor color;
ClutterContent *success_content;
gfloat height;
gchar *markup;
calib_area->stage = stage;
calib_area->action_layer = clutter_actor_new ();
calib_area->clock = cc_clock_actor_new ();
calib_area->target = cc_target_actor_new ();
calib_area->text_title_holder = clutter_actor_new ();
calib_area->helper_text_title = clutter_text_new ();
calib_area->text_body_holder = clutter_actor_new ();
calib_area->helper_text_body = clutter_text_new ();
calib_area->error_text = clutter_text_new ();
calib_area->success_image = clutter_actor_new ();
clutter_stage_set_use_alpha (CLUTTER_STAGE (stage), TRUE);
clutter_actor_hide (calib_area->target);
/* bind the action layer's geometry to the stage's */
clutter_actor_add_constraint (calib_area->action_layer,
clutter_bind_constraint_new (stage,
CLUTTER_BIND_SIZE,
0));
clutter_actor_add_child (stage, calib_area->action_layer);
g_signal_connect (stage,
"allocation-changed",
G_CALLBACK (on_allocation_changed),
calib_area);
clutter_color_from_string (&color, "#000");
color.alpha = WINDOW_OPACITY * 255;
clutter_actor_set_background_color (stage, &color);
clutter_actor_add_child (calib_area->action_layer, calib_area->clock);
clutter_actor_add_constraint (calib_area->clock,
clutter_align_constraint_new (stage,
CLUTTER_ALIGN_BOTH,
0.5));
clutter_actor_add_child (calib_area->action_layer, calib_area->target);
/* set the helper text */
anchor.x = 0;
g_object_set (calib_area->text_title_holder, "pivot-point", &anchor, NULL);
clutter_actor_add_child (calib_area->action_layer,
calib_area->text_title_holder);
clutter_actor_add_child (calib_area->text_title_holder,
calib_area->helper_text_title);
height = clutter_actor_get_height (calib_area->clock);
clutter_actor_add_constraint (calib_area->text_title_holder,
clutter_bind_constraint_new (calib_area->clock,
CLUTTER_BIND_Y,
height * 1.5));
clutter_actor_add_constraint (calib_area->text_title_holder,
clutter_align_constraint_new (stage,
CLUTTER_ALIGN_X_AXIS,
.5));
clutter_text_set_line_alignment (CLUTTER_TEXT (calib_area->helper_text_title),
PANGO_ALIGN_CENTER);
color.red = COLOR_GRAY;
color.green = COLOR_GRAY;
color.blue = COLOR_GRAY;
color.alpha = 255;
markup = g_strdup_printf ("<big><b>%s</b></big>",
_(HELP_TEXT_TITLE));
clutter_text_set_markup (CLUTTER_TEXT (calib_area->helper_text_title), markup);
clutter_text_set_color (CLUTTER_TEXT (calib_area->helper_text_title), &color);
g_free (markup);
g_object_set (calib_area->text_body_holder, "pivot-point", &anchor, NULL);
clutter_actor_add_child (calib_area->action_layer,
calib_area->text_body_holder);
clutter_actor_add_child (calib_area->text_body_holder,
calib_area->helper_text_body);
height = clutter_actor_get_height (calib_area->helper_text_title);
clutter_actor_add_constraint (calib_area->text_body_holder,
clutter_bind_constraint_new (calib_area->text_title_holder,
CLUTTER_BIND_Y,
height * 1.2));
clutter_actor_add_constraint (calib_area->text_body_holder,
clutter_align_constraint_new (stage,
CLUTTER_ALIGN_X_AXIS,
.5));
clutter_text_set_line_alignment (CLUTTER_TEXT (calib_area->helper_text_body),
PANGO_ALIGN_CENTER);
markup = g_strdup_printf ("<span foreground=\"white\"><big>%s</big></span>",
_(HELP_TEXT_MAIN));
clutter_text_set_markup (CLUTTER_TEXT (calib_area->helper_text_body), markup);
g_free (markup);
/* set the error text */
g_object_set (calib_area->error_text, "pivot-point", &anchor, NULL);
clutter_actor_add_child (calib_area->action_layer, calib_area->error_text);
height = clutter_actor_get_height (calib_area->helper_text_body);
clutter_actor_add_constraint (calib_area->error_text,
clutter_bind_constraint_new (calib_area->text_title_holder,
CLUTTER_BIND_Y,
height * 3));
clutter_actor_add_constraint (calib_area->error_text,
clutter_align_constraint_new (stage,
CLUTTER_ALIGN_X_AXIS,
.5));
clutter_text_set_line_alignment (CLUTTER_TEXT (calib_area->error_text),
PANGO_ALIGN_CENTER);
markup = g_strdup_printf ("<span foreground=\"white\"><big>"
"<b>%s</b></big></span>",
ERROR_MESSAGE);
clutter_text_set_markup (CLUTTER_TEXT (calib_area->error_text), markup);
g_free (markup);
clutter_actor_hide (calib_area->error_text);
/* configure success image */
success_content = clutter_image_new ();
clutter_actor_set_content (calib_area->success_image,
success_content);
g_object_unref (success_content);
clutter_actor_add_child (stage, calib_area->success_image);
clutter_actor_add_constraint (calib_area->success_image,
clutter_align_constraint_new (stage,
CLUTTER_ALIGN_BOTH,
.5));
/* animate clock */
calib_area->clock_timeline = clutter_property_transition_new ("angle");
clutter_timeline_set_progress_mode (CLUTTER_TIMELINE (calib_area->clock_timeline),
CLUTTER_LINEAR);
clutter_timeline_set_duration (CLUTTER_TIMELINE (calib_area->clock_timeline),
MAX_TIME);
clutter_transition_set_animatable (calib_area->clock_timeline,
CLUTTER_ANIMATABLE (calib_area->clock));
clutter_transition_set_from (calib_area->clock_timeline, G_TYPE_FLOAT, .0);
clutter_transition_set_to (calib_area->clock_timeline, G_TYPE_FLOAT, 360.0);
clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (calib_area->clock_timeline),
-1);
clutter_timeline_start (CLUTTER_TIMELINE (calib_area->clock_timeline));
g_signal_connect (CLUTTER_TIMELINE (calib_area->clock_timeline),
"completed",
G_CALLBACK (on_timeout),
calib_area);
g_signal_connect (stage,
"button-press-event",
G_CALLBACK (on_button_press_event),
calib_area);
g_signal_connect (stage,
"key-release-event",
G_CALLBACK (on_key_release_event),
calib_area);
}
G_MODULE_EXPORT int
test_paint_wrapper_main (int argc, char *argv[])
{
ClutterAlpha *alpha;
ClutterActor *stage;
ClutterColor stage_color = { 0x61, 0x64, 0x8c, 0xff };
SuperOH *oh;
gint i;
GError *error;
ClutterActor *real_hand;
error = NULL;
#ifdef CLUTTER_WINDOWING_X11
clutter_x11_set_use_argb_visual (TRUE);
#endif
if (clutter_init_with_args (&argc, &argv,
NULL,
super_oh_entries,
NULL,
&error) != CLUTTER_INIT_SUCCESS)
{
g_warning ("Unable to initialise Clutter:\n%s",
error->message);
g_error_free (error);
return EXIT_FAILURE;
}
oh = g_new(SuperOH, 1);
stage = clutter_stage_new ();
clutter_actor_set_size (stage, 800, 600);
if (use_alpha != 255)
{
clutter_stage_set_use_alpha (CLUTTER_STAGE (stage), TRUE);
clutter_actor_set_opacity (stage, use_alpha);
}
clutter_stage_set_title (CLUTTER_STAGE (stage), "Paint Test");
clutter_actor_set_background_color (stage, &stage_color);
g_signal_connect (stage, "destroy", G_CALLBACK (stop_and_quit), oh);
oh->stage = stage;
/* Create a timeline to manage animation */
oh->timeline = clutter_timeline_new (6000);
clutter_timeline_set_repeat_count (oh->timeline, -1);
/* fire a callback for frame change */
oh->frame_id =
g_signal_connect (oh->timeline, "new-frame", G_CALLBACK (frame_cb), oh);
/* Set up some behaviours to handle scaling */
alpha = clutter_alpha_new_with_func (oh->timeline, my_sine_wave, NULL, NULL);
oh->scaler_1 = clutter_behaviour_scale_new (alpha, 0.5, 0.5, 1.0, 1.0);
oh->scaler_2 = clutter_behaviour_scale_new (alpha, 1.0, 1.0, 0.5, 0.5);
real_hand = clutter_texture_new_from_file (TESTS_DATADIR
G_DIR_SEPARATOR_S
"redhand.png",
&error);
if (real_hand == NULL)
{
g_error ("image load failed: %s", error->message);
return EXIT_FAILURE;
}
/* create a new group to hold multiple actors in a group */
oh->group = clutter_group_new();
oh->hand = g_new (ClutterActor*, n_hands);
oh->stage_width = clutter_actor_get_width (stage);
oh->stage_height = clutter_actor_get_height (stage);
oh->radius = (oh->stage_width + oh->stage_height)
/ n_hands;
for (i = 0; i < n_hands; i++)
{
gint x, y, w, h;
if (i == 0)
oh->hand[i] = real_hand;
else
oh->hand[i] = clutter_clone_new (real_hand);
clutter_actor_set_reactive (oh->hand[i], TRUE);
clutter_actor_set_size (oh->hand[i], 200, 213);
/* Place around a circle */
w = clutter_actor_get_width (oh->hand[i]);
h = clutter_actor_get_height (oh->hand[i]);
x = oh->stage_width / 2
+ oh->radius
* cos (i * G_PI / (n_hands / 2))
- w / 2;
y = oh->stage_height / 2
+ oh->radius
* sin (i * G_PI / (n_hands / 2))
- h / 2;
clutter_actor_set_position (oh->hand[i], x, y);
clutter_actor_move_anchor_point_from_gravity (oh->hand[i],
CLUTTER_GRAVITY_CENTER);
g_signal_connect (oh->hand[i], "button-press-event",
G_CALLBACK (on_button_press_event),
oh);
/* paint something before each hand */
g_signal_connect (oh->hand[i],
"paint", G_CALLBACK (hand_pre_paint),
oh);
/* paint something after each hand */
g_signal_connect_after (oh->hand[i],
"paint", G_CALLBACK (hand_post_paint),
oh);
/* Add to our group group */
clutter_container_add_actor (CLUTTER_CONTAINER (oh->group), oh->hand[i]);
if (i % 2)
clutter_behaviour_apply (oh->scaler_1, oh->hand[i]);
else
clutter_behaviour_apply (oh->scaler_2, oh->hand[i]);
}
oh->paint_guards = g_malloc0 (sizeof (gboolean) * n_hands);
/* Add the group to the stage */
clutter_container_add_actor (CLUTTER_CONTAINER (stage),
CLUTTER_ACTOR (oh->group));
/* Show everying ( and map window ) */
clutter_actor_show (stage);
g_signal_connect (stage, "key-release-event",
G_CALLBACK (input_cb),
oh);
/* and start it */
clutter_timeline_start (oh->timeline);
clutter_main ();
g_object_unref (oh->scaler_1);
g_object_unref (oh->scaler_2);
g_object_unref (oh->timeline);
g_free (oh->paint_guards);
g_free (oh->hand);
g_free (oh);
return 0;
}
int
main (int argc, char *argv[])
{
ClutterTimeline *timeline;
ClutterActor *stage;
ClutterColor stage_color = { 0x61, 0x64, 0x8c, 0xff };
GtkWidget *window, *clutter;
GtkWidget *button, *vbox;
gint i;
if (gtk_clutter_init_with_args (&argc, &argv, NULL, NULL, NULL, NULL) != CLUTTER_INIT_SUCCESS)
g_error ("Unable to initialize GtkClutter");
if (argc != 1)
do_rotate = FALSE;
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
gtk_container_add (GTK_CONTAINER (window), vbox);
clutter = gtk_clutter_embed_new ();
gtk_widget_set_size_request (clutter, WINWIDTH, WINHEIGHT);
gtk_box_pack_start (GTK_BOX (vbox), clutter, TRUE, TRUE, 0);
stage = gtk_clutter_embed_get_stage (GTK_CLUTTER_EMBED (clutter));
button = gtk_button_new_with_mnemonic ("_Quit");
g_signal_connect_swapped (button, "clicked",
G_CALLBACK (gtk_widget_destroy),
window);
gtk_box_pack_end (GTK_BOX (vbox), button, FALSE, FALSE, 0);
clutter_actor_set_background_color (stage, &stage_color);
nwidgets = 0;
/* create a new group to hold multiple actors in a group */
group = clutter_actor_new ();
clutter_actor_set_pivot_point (group, 0.5, 0.5);
for (i = 0; i < MAX_NWIDGETS; i++)
{
widgets[i] = create_gtk_actor (i);
nwidgets++;
add_clutter_actor (widgets[i], group, i);
}
/* Add the group to the stage and center it*/
clutter_actor_add_child (stage, group);
clutter_actor_add_constraint (group, clutter_align_constraint_new (stage, CLUTTER_ALIGN_BOTH, 0.5));
gtk_widget_show_all (window);
/* Create a timeline to manage animation */
timeline = clutter_timeline_new (6000);
clutter_timeline_set_repeat_count (timeline, -1);
/* fire a callback for frame change */
g_signal_connect (timeline, "new-frame", G_CALLBACK (frame_cb), stage);
/* and start it */
clutter_timeline_start (timeline);
g_timeout_add_seconds (3, add_or_remove_timeout, NULL);
gtk_main();
return 0;
}
Animation::Animation(ClutterActor *stage, TCLControl *tcl) {
printf("Building animation tools...\n");
//====================
// On screen display:
// Build the Actor that will display what's going to the lights:
lightDisplay = clutter_actor_new();
// Build the color delegate for the lightDisplay's content/texture:
colors = clutter_image_new();
// Error object for GDK/Clutter calls that need them
error = NULL;
// Load image data from some other data source...:
// guchar *data =
// GdkPixbuf *pixbuf = gdk_pixbuf_new_from_data(data);
// Load image data from a file:
// const char *img_path = "./wut.png";
// GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file_at_size (img_path, WIDTH, HEIGHT, &error);
// Build the color buffer we'll store the actual colors in:
pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, WIDTH, HEIGHT);
pixels = gdk_pixbuf_get_pixels(pixbuf); // Grab it's pixels...
rowstride = gdk_pixbuf_get_rowstride(pixbuf); // figure out the width of the buffer...
// And put some RED into the buffer to start off with
for (int x = 0; x < WIDTH; x++) {
for (int y = 0; y < HEIGHT; y++) {
// Find the ADDRESS of each pixel in the pixbuf via the raw char buffer we built...
// and bind it to a pointer to a char...
unsigned char *pixel = &pixels[y * rowstride + x * 3];
// And directly update that memory location with a new color
// This AUTOMATICALLY updates the color of the pixbuf!
// It's just hitting the memory directly!
pixel[0] = 255;//red
pixel[1] = 0x0;//green
pixel[2] = 0x0;//blue
}
}
// Dump the colors from the color buffer into the ClutterContent delegate!
if (pixbuf != NULL) {
clutter_image_set_data(CLUTTER_IMAGE(colors),
gdk_pixbuf_get_pixels (pixbuf),
COGL_PIXEL_FORMAT_RGB_888,
gdk_pixbuf_get_width (pixbuf),
gdk_pixbuf_get_height (pixbuf),
gdk_pixbuf_get_rowstride (pixbuf),
&error);
}
// Tell the lightDisplay that it's content should be whatever we've dumped in the content delegate:
clutter_actor_set_content(lightDisplay, colors);
// Define the size of the On Screen Display:
clutter_actor_set_x_expand(lightDisplay, TRUE);
clutter_actor_set_y_expand(lightDisplay, TRUE);
clutter_actor_set_position(lightDisplay, 0, WIDTH*(osd_scale+7)+WIDTH);
clutter_actor_set_size(lightDisplay, WIDTH, HEIGHT);
clutter_actor_set_scale(lightDisplay, osd_scale, osd_scale+7);
clutter_actor_set_rotation_angle(lightDisplay, CLUTTER_Z_AXIS, -90);
// Actually add that actor to the stage!
clutter_actor_add_child(stage, lightDisplay);
// Allow for UI events on this crazy thing!
clutter_actor_set_reactive(lightDisplay, TRUE);
// Wire up the event listener on this lightDisplay actor.
TouchData *touch_data;
touch_data = g_slice_new(TouchData); // reserve memory for it...
touch_data->lightDisplay = lightDisplay; // Place the button actor itself inside the struct
touch_data->tcl = tcl; // TCLControl *tcl is just a POINTER here (unlike in main.cpp)
touch_data->animationNumber = ¤tAnimation;
// Actually wire up the events and set up the data structs that the events need to operate:
g_signal_connect(lightDisplay, "touch-event", G_CALLBACK(handleTouchEvents), touch_data);
g_signal_connect(lightDisplay, "button-press-event", G_CALLBACK(handleTouchEvents), touch_data);
g_signal_connect(lightDisplay, "motion-event", G_CALLBACK(handleTouchEvents), touch_data);
g_signal_connect(lightDisplay, "button-release-event", G_CALLBACK(handleTouchEvents), touch_data);
// Set sane default values for the initial touch location
input_y = 0;
input_x = 0;
// End On screen display
//=============================
// Shader setup and wirings:
// Build the Actor that the shader will dump to directly:
shaderOutput = clutter_actor_new();
clutter_actor_set_position(shaderOutput, 0, 0);
clutter_actor_set_size(shaderOutput, WIDTH-1, HEIGHT);
clutter_actor_set_rotation_angle(shaderOutput, CLUTTER_Z_AXIS, -90);
clutter_actor_set_rotation_angle(shaderOutput, CLUTTER_Y_AXIS, 180);
clutter_actor_add_child(stage, shaderOutput);
// Allocate the memory for the shader output buffer:
// Figure out how big our buffer needs to be. *4 because four bytes per pixel (r, g, b, a) in shader land
int shaderBufferSize = WIDTH * HEIGHT * 4;
shaderBuffer = (guint8 *) malloc(shaderBufferSize); // malloc the buffer!!
// Double check that we built the buffer correctly.
if (shaderBuffer == NULL) {
printf("OOPS! malloc error!\n");
} else {
// printf("We malloc'd %i bytes for your shaderBuffer. It points at: %p\n", shaderBufferSize, shaderBuffer);
// printf(" The Rowstride on the shaderBuffer is %i\n", rowstride);
}
// init shader TEXTURES!
// Populate the noiseImage:
// const char *textureFile = "images/text_noise.png";
// audiopixbuf = gdk_pixbuf_new_from_file (textureFile, NULL);
// Init the audioImage that will store the FFT output for attaching to the actor
error = NULL;
audioImage = clutter_image_new ();
audiopixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, FALSE, 8, WIDTH, HEIGHT );
audioPixels = gdk_pixbuf_get_pixels(audiopixbuf); // Grab it's pixels...
audioRowstride = gdk_pixbuf_get_rowstride(audiopixbuf); // figure out the width of the buffer...
// Populate the audioImage with no data so we have a fresh start:
for (int x = 0; x < WIDTH; x++) {
for (int y = 0; y < HEIGHT; y++) {
// Find the ADDRESS of each pixel in the pixbuf via the raw char buffer we built...
// and bind it to a pointer to a char...
unsigned char *pixel = &audioPixels[y * audioRowstride + x * 3];
// And directly update that memory location with a new color
// This AUTOMATICALLY updates the color of the pixbuf!
// It's just hitting the memory directly!
pixel[0] = getrand(0,255);//((int)(samples[x]*max)) & 0xff; // low bits...
pixel[1] = getrand(0,255);//((int)(samples[x]*max)) & 0xff00; // high bits.
pixel[2] = getrand(0,255); // some random value could be used for noise...
}
}
// Actually load our color onto the actor
clutter_image_set_data (CLUTTER_IMAGE (audioImage),
gdk_pixbuf_get_pixels (audiopixbuf),
COGL_PIXEL_FORMAT_RGB_888,
gdk_pixbuf_get_width (audiopixbuf),
gdk_pixbuf_get_height (audiopixbuf),
gdk_pixbuf_get_rowstride (audiopixbuf),
&error);
// g_object_unref (audiopixbuf); // we want to reuse this... don't dereference that memory yet...
clutter_actor_set_content (shaderOutput, audioImage);
//clutter_actor_set_content_gravity (shaderOutput, CLUTTER_CONTENT_GRAVITY_TOP_RIGHT);
// audioTexture[0] = 0.25;
// srand(time(NULL));
// for (i=0; i<noiseTextureSize; i++) {
// noiseTexture[i] = getrandf();
// }
// Make sure we don't have a current shader so we don't break the update loop:
shaderLoaded = false;
currentSpeed = 100;
// Once we have all that set up, we still need to START THE ACTUAL ANIMATION!!
// To do that, we'll need to use the event chain/callback system we have been using so far.
// Get ready to hand this display chunk in to the animation event:
AnimationData *data;
data = g_slice_new(AnimationData); // reserve memory for it...
data->tcl = tcl; // tcl is an pointer to the main TCLControl object.
data->animationNumber = ¤tAnimation;
data->animationObject = this;
// The clutter timeline object takes a "duration" in milliseconds...
timeline = clutter_timeline_new(1);
g_signal_connect(timeline, "new-frame", G_CALLBACK(handleNewFrame), data);
// which will just continue repeating:
clutter_timeline_set_repeat_count(timeline, -1);
// This actually starts the timeline animation!
clutter_timeline_start(timeline);
// Generate the list of known shaders:
buildShaderList();
// Load the first shader so we do not get a black screen:
currentShader = 0; // Set the inital shader to load (usually, first in the directory)
updateCurrentShader();
}
