/** * clutter_test_check_color_at_point: * @stage: a #ClutterStage * @point: coordinates to check * @color: expected color * @result: (out caller-allocates): color at the given coordinates * * Checks the color at the given coordinates on @stage, and matches * it with the red, green, and blue channels of @color. The alpha * component of @color and @result is ignored. * * Returns: %TRUE if the colors match * * Since: 1.18 */ gboolean clutter_test_check_color_at_point (ClutterActor *stage, const ClutterPoint *point, const ClutterColor *color, ClutterColor *result) { ValidateData *data; gboolean retval; guint8 *buffer; guint press_id = 0; g_return_val_if_fail (CLUTTER_IS_STAGE (stage), FALSE); g_return_val_if_fail (point != NULL, FALSE); g_return_val_if_fail (color != NULL, FALSE); g_return_val_if_fail (result != NULL, FALSE); data = g_new0 (ValidateData, 1); data->stage = stage; data->point = *point; data->check_color = TRUE; if (g_test_verbose ()) { g_printerr ("Press ESC to close the stage and resume the test\n"); press_id = g_signal_connect (stage, "key-press-event", G_CALLBACK (on_key_press_event), data); } clutter_actor_show (stage); clutter_threads_add_repaint_func_full (CLUTTER_REPAINT_FLAGS_POST_PAINT, validate_stage, data, NULL); while (!data->was_painted) g_main_context_iteration (NULL, TRUE); if (press_id != 0) g_signal_handler_disconnect (stage, press_id); buffer = data->result; clutter_color_init (result, buffer[0], buffer[1], buffer[2], 255); /* we only check the color channels, so we can't use clutter_color_equal() */ retval = buffer[0] == color->red && buffer[1] == color->green && buffer[2] == color->blue; g_free (data->result); g_free (data); return retval; }
static void on_monitors_changed (MetaScreen *screen, MetaPlugin *plugin) { MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin); int i, n; GRand *rand = g_rand_new_with_seed (123456); clutter_actor_destroy_all_children (self->priv->background_group); n = meta_screen_get_n_monitors (screen); for (i = 0; i < n; i++) { MetaRectangle rect; ClutterActor *background_actor; MetaBackground *background; ClutterColor color; meta_screen_get_monitor_geometry (screen, i, &rect); background_actor = meta_background_actor_new (screen, i); clutter_actor_set_position (background_actor, rect.x, rect.y); clutter_actor_set_size (background_actor, rect.width, rect.height); /* Don't use rand() here, mesa calls srand() internally when parsing the driconf XML, but it's nice if the colors are reproducible. */ clutter_color_init (&color, g_rand_int_range (rand, 0, 255), g_rand_int_range (rand, 0, 255), g_rand_int_range (rand, 0, 255), 255); background = meta_background_new (screen); meta_background_set_color (background, &color); meta_background_actor_set_background (META_BACKGROUND_ACTOR (background_actor), background); g_object_unref (background); clutter_actor_add_child (self->priv->background_group, background_actor); } g_rand_free (rand); }
static void on_monitors_changed (MetaScreen *screen, MetaPlugin *plugin) { MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin); __attribute__ ((unused)) ClutterAnimation *animation; int i, n; gchar *wallpaper = NULL; GFile *wallpaper_file = NULL; gchar *filename = NULL; GDesktopBackgroundStyle style; GDesktopBackgroundShading shading_direction; ClutterColor primary_color; ClutterColor secondary_color; gboolean random_colour = FALSE; clutter_actor_destroy_all_children (self->priv->background_group); wallpaper = g_settings_get_string (self->priv->settings, PICTURE_URI_KEY); /* We don't currently support slideshows */ if (!wallpaper || g_str_has_suffix(wallpaper, ".xml")) random_colour = TRUE; else { gchar *color_str; /* Shading direction*/ shading_direction = g_settings_get_enum (self->priv->settings, COLOR_SHADING_TYPE_KEY); /* Primary color */ color_str = g_settings_get_string (self->priv->settings, PRIMARY_COLOR_KEY); if (color_str) { clutter_color_from_string (&primary_color, color_str); g_free (color_str); color_str = NULL; } /* Secondary color */ color_str = g_settings_get_string (self->priv->settings, SECONDARY_COLOR_KEY); if (color_str) { clutter_color_from_string (&secondary_color, color_str); g_free (color_str); color_str = NULL; } /* Picture options: "none", "wallpaper", "centered", "scaled", "stretched", "zoom", "spanned" */ style = g_settings_get_enum (self->priv->settings, BACKGROUND_STYLE_KEY); wallpaper_file = g_file_new_for_uri(wallpaper); filename = g_file_get_path(wallpaper_file); } n = meta_screen_get_n_monitors (screen); for (i = 0; i < n; i++) { MetaBackground *content; MetaRectangle rect; ClutterActor *background; background = meta_background_actor_new (); content = meta_background_new (screen, i, META_BACKGROUND_EFFECTS_NONE); // Don't use rand() here, mesa calls srand() internally when // parsing the driconf XML, but it's nice if the colors are // reproducible. if (random_colour) { clutter_color_init (&primary_color, g_random_int () % 255, g_random_int () % 255, g_random_int () % 255, 255); meta_background_load_color (content, &primary_color); } else { if (style == G_DESKTOP_BACKGROUND_STYLE_NONE || g_str_has_suffix (filename, GNOME_COLOR_HACK)) { if (shading_direction == G_DESKTOP_BACKGROUND_SHADING_SOLID) meta_background_load_color (content, &primary_color); else meta_background_load_gradient (content, shading_direction, &primary_color, &secondary_color); } else { /* Set the background */ meta_background_load_file_async (content, filename, style, NULL, /*TODO use cancellable*/ background_load_file_cb, self); } } clutter_actor_set_content (background, CLUTTER_CONTENT (content)); g_object_unref (content); meta_screen_get_monitor_geometry (screen, i, &rect); clutter_actor_set_position (background, rect.x, rect.y); clutter_actor_set_size (background, rect.width, rect.height); clutter_actor_add_child (self->priv->background_group, background); clutter_actor_set_scale (background, 0.0, 0.0); clutter_actor_show (background); clutter_actor_set_pivot_point (background, 0.5, 0.5); /* Ease in the background using a scale effect */ animation = clutter_actor_animate (background, CLUTTER_EASE_IN_SINE, BACKGROUND_TIMEOUT, "scale-x", 1.0, "scale-y", 1.0, NULL); } if (wallpaper_file) g_object_unref(wallpaper_file); g_free(wallpaper); g_free(filename); }
static void on_monitors_changed (MetaScreen *screen, MetaPlugin *plugin) { MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin); __attribute__ ((unused)) ClutterAnimation *animation; int i, n; gchar *wallpaper = NULL; GFile *wallpaper_file = NULL; gchar *filename = NULL; gboolean random_colour = FALSE; clutter_actor_destroy_all_children (self->priv->background_group); wallpaper = g_settings_get_string(self->priv->settings, PICTURE_KEY); if (!wallpaper) random_colour = TRUE; else { wallpaper_file = g_file_new_for_uri(wallpaper); filename = g_file_get_path(wallpaper_file); } n = meta_screen_get_n_monitors (screen); for (i = 0; i < n; i++) { MetaRectangle rect; ClutterActor *background; ClutterColor color; meta_screen_get_monitor_geometry (screen, i, &rect); /* Don't use rand() here, mesa calls srand() internally when parsing the driconf XML, but it's nice if the colors are reproducible. */ if (random_colour) { background = meta_background_actor_new (); clutter_color_init (&color, g_random_int () % 255, g_random_int () % 255, g_random_int () % 255, 255); clutter_actor_set_background_color (background, &color); } else { /* Set the background */ background = clutter_texture_new_from_file(filename, NULL); } clutter_actor_set_position (background, rect.x, rect.y); clutter_actor_set_size (background, rect.width, rect.height); clutter_actor_add_child (self->priv->background_group, background); clutter_actor_set_scale (background, 0.0, 0.0); clutter_actor_show (background); clutter_actor_move_anchor_point_from_gravity (background, CLUTTER_GRAVITY_CENTER); /* Ease in the background using a scale effect */ animation = clutter_actor_animate (background, CLUTTER_EASE_IN_SINE, BACKGROUND_TIMEOUT, "scale-x", 1.0, "scale-y", 1.0, NULL); } if (wallpaper_file) g_object_unref(wallpaper_file); g_free(wallpaper); g_free(filename); }